From 25b15fc76753e1002f2a597495e7e4893bf2da4f Mon Sep 17 00:00:00 2001
From: Mars Liu <mars.liu@outlook.com>
Date: Fri, 15 Oct 2021 18:34:37 +0800
Subject: [PATCH] reflections of data tree

---
 README.md                                     |  130 +-
 .../config.json"                              |   15 +-
 .../10.IO/3.File\347\261\273/config.json"     |   33 +-
 .../10.IO/config.json"                        |    4 +-
 .../config.json"                              |    6 +-
 .../config.json"                              |    3 +-
 .../config.json"                              |    3 +-
 .../config.json"                              |    3 +-
 .../config.json"                              |   82 +-
 .../config.json"                              |  174 +-
 .../config.json"                              |   87 +-
 .../3.\350\277\255\344\273\243/config.json"   |    6 +-
 .../config.json"                              |   27 +-
 .../config.json"                              |    4 +-
 .../config.json"                              |   69 +-
 .../config.json"                              |    4 +-
 .../15.Reader\345\222\214Writer/config.json"  |    4 +-
 .../config.json"                              |    4 +-
 .../config.json"                              |    4 +-
 .../config.json"                              |    4 +-
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 .../config.json"                              |    4 +-
 .../20.\345\216\213\347\274\251/config.json"  |    4 +-
 .../21.XML/config.json"                       |    4 +-
 .../22.Preferences/config.json"               |    4 +-
 .../config.json"                              |    4 +-
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 .../16.\346\230\240\345\260\204/config.json"  |   21 +-
 .../17.\347\256\227\346\263\225/config.json"  |   12 +-
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 .../config.json"                              |    9 +-
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 .../config.json"                              |   15 +-
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 .../config.json"                              |    6 +-
 .../9.\351\233\206\345\220\210/config.json"   |    4 +-
 .../config.json"                              |    6 +-
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 .../config.json"                              |    6 +-
 .../config.json"                              |    6 +-
 .../config.json"                              |    6 +-
 .../config.json"                              |   15 +-
 .../config.json"                              |   12 +-
 .../10.\346\263\250\350\247\243/config.json"  |   19 +-
 .../config.json"                              |    6 +-
 .../config.json"                              |   12 +-
 .../config.json"                              |   12 +-
 .../config.json"                              |   21 +-
 .../config.json"                              |    9 +-
 .../config.json"                              |   24 +-
 .../config.json"                              |   21 +-
 .../config.json"                              |   12 +-
 .../config.json"                              |   12 +-
 .../config.json"                              |   12 +-
 .../11.\345\271\266\345\217\221/config.json"  |    4 +-
 .../config.json"                              |    4 +-
 .../2.RandomAccessFile/config.json"           |    4 +-
 .../config.json"                              |    4 +-
 .../config.json"                              |    9 +-
 .../config.json"                              |   39 +-
 .../config.json"                              |    4 +-
 .../5.NIO/config.json"                        |   97 +-
 .../config.json"                              |   12 +-
 .../config.json"                              |   15 +-
 .../config.json"                              |   18 +-
 .../config.json"                              |    3 +-
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 .../config.json"                              |    3 +-
 .../config.json"                              |   40 +-
 .../config.json"                              |    9 +-
 .../config.json"                              |    3 +-
 .../config.json"                              |    9 +-
 .../config.json"                              |    3 +-
 .../6.\351\230\237\345\210\227/config.json"   |    6 +-
 .../config.json"                              |    9 +-
 .../config.json"                              |    9 +-
 .../config.json"                              |   15 +-
 .../config.json"                              |   12 +-
 .../config.json"                              |   40 +-
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 .../config.json"                              |   45 +-
 .../config.json"                              |   27 +-
 .../config.json"                              |    4 +-
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 .../config.json"                              |    4 +-
 .../config.json"                              |   54 +-
 .../config.json"                              |    6 +-
 .../config.json"                              |    9 +-
 .../7.javax.servlet\345\214\205/config.json"  |   27 +-
 .../config.json"                              |   15 +-
 .../13.servlet/config.json"                   |    4 +-
 .../config.json"                              |    6 +-
 .../config.json"                              |   12 +-
 .../config.json"                              |    6 +-
 .../config.json"                              |   40 +-
 .../config.json"                              |    6 +-
 .../config.json"                              |   12 +-
 .../config.json"                              |   18 +-
 .../config.json"                              |    3 +-
 .../config.json"                              |    4 +-
 .../config.json"                              |    6 +-
 .../config.json"                              |    9 +-
 .../config.json"                              |    3 +-
 .../config.json"                              |    6 +-
 .../config.json"                              |   12 +-
 .../17.Spring/1.Spring IoC/config.json"       |   24 +-
 .../config.json"                              |   93 +-
 .../config.json"                              |   81 +-
 .../config.json"                              |   30 +-
 .../config.json"                              |   63 +-
 .../config.json"                              |    3 +-
 .../17.Spring/config.json"                    |   19 +-
 .../config.json"                              |    9 +-
 .../config.json"                              |    6 +-
 .../config.json"                              |    6 +-
 .../config.json"                              |   12 +-
 .../config.json"                              |   12 +-
 .../19.Spring Aware/config.json"              |    3 +-
 .../config.json"                              |    3 +-
 .../config.json"                              |    3 +-
 .../config.json"                              |    3 +-
 .../config.json"                              |    3 +-
 .../config.json"                              |    9 +-
 .../25.\346\265\213\350\257\225/config.json"  |    3 +-
 .../18.Spring MVC/config.json"                |   12 +-
 .../19.Spring Boot/config.json"               |    4 +-
 .../config.json"                              |    9 +-
 .../config.json"                              |   12 +-
 .../config.json"                              |   12 +-
 .../config.json"                              |    4 +-
 .../config.json"                              |  153 +-
 .../20.Mybatis/config.json"                   |   33 +-
 .../21.Spark/config.json"                     |  373 +++-
 .../22.Flink/config.json"                     |  373 +++-
 .../23.Vert.x/config.json"                    |  373 +++-
 .../24.Quarkus/config.json"                   |  373 +++-
 .../25.\345\205\266\344\273\226/config.json"  |  373 +++-
 .../config.json"                              |    6 +-
 .../config.json"                              |   12 +-
 .../config.json"                              |    9 +-
 .../config.json"                              |   12 +-
 .../config.json"                              |    6 +-
 .../config.json"                              |    9 +-
 .../config.json"                              |    6 +-
 .../config.json"                              |    4 +-
 .../config.json"                              |    4 +-
 .../config.json"                              |    4 +-
 .../config.json"                              |    4 +-
 .../config.json"                              |    4 +-
 .../8.\345\210\206\347\273\204/config.json"   |    4 +-
 .../9.\345\210\206\345\214\272/config.json"   |    4 +-
 data/tree.json                                | 1818 +++++++++++------
 src/common/__init__.py                        |    0
 src/common/command_line.py                    |   81 +
 src/common/logger.py                          |   77 +
 src/config/__init__.py                        |    0
 src/config/config.py                          |   57 +
 src/lib/__init__.py                           |    0
 src/lib/apollo.py                             |  392 ++++
 src/main.py                                   |   45 +
 src/options.py                                |  203 ++
 src/tree.py                                   |   19 +-
 179 files changed, 5894 insertions(+), 1300 deletions(-)
 create mode 100644 src/common/__init__.py
 create mode 100644 src/common/command_line.py
 create mode 100644 src/common/logger.py
 create mode 100644 src/config/__init__.py
 create mode 100644 src/config/config.py
 create mode 100644 src/lib/__init__.py
 create mode 100644 src/lib/apollo.py
 create mode 100644 src/main.py
 create mode 100644 src/options.py

diff --git a/README.md b/README.md
index d06ecde..1b4bae0 100644
--- a/README.md
+++ b/README.md
@@ -74,12 +74,16 @@ pip install -r requirement.txt
 首先，在知识节点下增加一个习题代码，例如在 `data/1.Java初阶/1.Java概述/1.什么是Java` 下增加一个`HelloWorld.java`代码：
 
 ```java
-// TODO
+public class App {
+    public static void main(String[] args){
+        System.out.println("Hello world!")
+    }
+}
 ```
 
-其次，增加一个同名的选项配置文件`HelloWorld.json`，目前有两种配置规则
+其次，增加一个同名的选项配置文件`HelloWorld.json`，目前有三种配置规则
 
-**单行替换规则**：
+### 单行替换规则
 
 * 配置由`one_line`字段指定的单行替换字典
 * 格式是：`"<源字符串>"`: [`"<替换字符串A>"`, `<替换字符串B>`,...],
@@ -88,34 +92,42 @@ pip install -r requirement.txt
 
 ```json
 {
-    // TODO
+    "one_line": {
+        "println": ["printf", "print", "fprint"]
+    }
 }
 ```
 
 上面的替换规则会将代码替换成 3 个变种的代码：
 
-```c
-// 变种代码1
-// TODO
+```java
+public class App {
+    public static void main(String[] args){
+        System.out.print("Hello world!")
+    }
+}
 ```
 
-```c
-// 变种代码2
-#include <stdio.h>
-int main(int argc, char** argv){
-    print("Hello,Wrold!");
-    return 0
+```java
+public class App {
+    public static void main(String[] args){
+        System.out.printf("Hello world!")
+    }
 }
+
 ```
 
-```c
-// 变种代码3
-// TODO
+```java
+public class App {
+    public static void main(String[] args){
+        System.out.sprint("Hello world!")
+    }
+}
 ```
 
 这些变种代码将会作为技能树该知识点该代码选择题的选项。
 
-**多行替换规则**：
+### 多行替换规则
 
 * 配置由`multiline`字段指定的多行替换数组
 * 数组的每个元素是一组替换规则，会整组被替换
@@ -124,29 +136,97 @@ int main(int argc, char** argv){
 
 ```json
 {
-     // TODO
+    "mulitiline": [{
+        "public class": "public interface",
+        "main(": "Main("
+    },
+    { 
+        "public class": "interface",
+        "void main": "int main"
+    },
+    {
+        "public static void main": "public void main"
+    }]
+```
+
+上面的替换规则会将代码替换成 3 个变种的代码：
+
+```java
+public interface App {
+    public static void Main(String[] args){
+        System.out.println("Hello world!")
+    }
+}
+```
+
+```java
+public interface App {
+    public static int main(String[] args){
+        System.out.println("Hello world!")
+    }
+}
+
+```
+
+```java
+public class App {
+    public void main(String[] args){
+        System.out.print("Hello world!")
+    }
+}
+```
+
+这些变种代码将会作为技能树该知识点该代码选择题的选项。
+
+
+### 预制的替换规则
+
+ * 配置由 `prepared` 字段制定的预制文件数组
+ * 数组每一个元素是一个预制的代码文件的路径文件名
+
+例如：
+
+```json
+{
+    "prepared": [
+        "HelloWord.1.java",
+        "HelloWord.2.java",
+        "HelloWord.3.java"]
 }
 ```
 
 同样，该配置将支持将源代码生成3个变种代码
 
 ```java
-// 变种代码1
-// TODO
+// HelloWord.1.java
+public interface App {
+    default void Main(String[] args){
+        System.out.println("Hello world!")
+    }
+}
 ```
 
 ```java
-// 变种代码2, 注意第2组替换规则，包含了两行替换
-// TODO
+public interface App {
+    public static void main(String[] args){
+        System.out.println("Hello world!")
+    }
+}
+
 ```
 
 ```java
-// 变种代码3
-// TODO
+class App {
+    void main(String[] args){
+        System.out.print("Hello world!")
+    }
+}
 ```
 
+
+
 ## 技能树合成
 
-在根目录下执行 `python main.py` 会合成技能树文件，合成的技能树文件: `data/tree.json`
+在`src`目录下执行 `python main.py -a tree` 会合成技能树文件，合成的技能树文件: `data/tree.json`
 * 合成过程中，会自动检查每个目录下 `config.json` 里的 `node_id` 是否存在，不存在则生成
 * 合成过程中，会自动检查每个知识点目录下 `config.json` 里的 `export` 里导出的习题配置，检查是否存在`exercise_id` 字段，如果不存在则生成
diff --git "a/data/1.Java\345\210\235\351\230\266/10.IO/2.\345\255\227\350\212\202\346\265\201/config.json" "b/data/1.Java\345\210\235\351\230\266/10.IO/2.\345\255\227\350\212\202\346\265\201/config.json"
index bc2fd85..fc29cbf 100644
--- "a/data/1.Java\345\210\235\351\230\266/10.IO/2.\345\255\227\350\212\202\346\265\201/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/10.IO/2.\345\255\227\350\212\202\346\265\201/config.json"
@@ -5,31 +5,36 @@
     {
       "字节流概述": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "字节流读写文件": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "文件的拷贝": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "字节流的缓冲区": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "字节缓冲流": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/1.Java\345\210\235\351\230\266/10.IO/3.File\347\261\273/config.json" "b/data/1.Java\345\210\235\351\230\266/10.IO/3.File\347\261\273/config.json"
index 2dafec0..75e9e6f 100644
--- "a/data/1.Java\345\210\235\351\230\266/10.IO/3.File\347\261\273/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/10.IO/3.File\347\261\273/config.json"
@@ -5,67 +5,78 @@
     {
       "File类的常用方法": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "遍历目录下的文件": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "删除文件及目录": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "创建文件对象": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "文件操作": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "文件夹操作": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "目录列表器": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "目录实用工具": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "目录的检查及创建": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "文件的创建与删除": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "获取文件信息": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/1.Java\345\210\235\351\230\266/10.IO/config.json" "b/data/1.Java\345\210\235\351\230\266/10.IO/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/1.Java\345\210\235\351\230\266/10.IO/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/10.IO/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/11.\346\223\215\344\275\234\347\254\246/14.\347\261\273\345\236\213\350\275\254\346\215\242\346\223\215\344\275\234\347\254\246/config.json" "b/data/1.Java\345\210\235\351\230\266/11.\346\223\215\344\275\234\347\254\246/14.\347\261\273\345\236\213\350\275\254\346\215\242\346\223\215\344\275\234\347\254\246/config.json"
index 253904f..5b619dc 100644
--- "a/data/1.Java\345\210\235\351\230\266/11.\346\223\215\344\275\234\347\254\246/14.\347\261\273\345\236\213\350\275\254\346\215\242\346\223\215\344\275\234\347\254\246/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/11.\346\223\215\344\275\234\347\254\246/14.\347\261\273\345\236\213\350\275\254\346\215\242\346\223\215\344\275\234\347\254\246/config.json"
@@ -5,13 +5,15 @@
     {
       "截尾和舍入": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "提升": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/1.Java\345\210\235\351\230\266/11.\346\223\215\344\275\234\347\254\246/5.\347\256\227\346\234\257\346\223\215\344\275\234\347\254\246/config.json" "b/data/1.Java\345\210\235\351\230\266/11.\346\223\215\344\275\234\347\254\246/5.\347\256\227\346\234\257\346\223\215\344\275\234\347\254\246/config.json"
index e70d437..a1b1132 100644
--- "a/data/1.Java\345\210\235\351\230\266/11.\346\223\215\344\275\234\347\254\246/5.\347\256\227\346\234\257\346\223\215\344\275\234\347\254\246/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/11.\346\223\215\344\275\234\347\254\246/5.\347\256\227\346\234\257\346\223\215\344\275\234\347\254\246/config.json"
@@ -5,7 +5,8 @@
     {
       "一元加、减操作符": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/1.Java\345\210\235\351\230\266/11.\346\223\215\344\275\234\347\254\246/7.\345\205\263\347\263\273\346\223\215\344\275\234\347\254\246/config.json" "b/data/1.Java\345\210\235\351\230\266/11.\346\223\215\344\275\234\347\254\246/7.\345\205\263\347\263\273\346\223\215\344\275\234\347\254\246/config.json"
index ae6d4b1..b52c74d 100644
--- "a/data/1.Java\345\210\235\351\230\266/11.\346\223\215\344\275\234\347\254\246/7.\345\205\263\347\263\273\346\223\215\344\275\234\347\254\246/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/11.\346\223\215\344\275\234\347\254\246/7.\345\205\263\347\263\273\346\223\215\344\275\234\347\254\246/config.json"
@@ -5,7 +5,8 @@
     {
       "测试对象的等价性": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/1.Java\345\210\235\351\230\266/11.\346\223\215\344\275\234\347\254\246/8.\351\200\273\350\276\221\346\223\215\344\275\234\347\254\246/config.json" "b/data/1.Java\345\210\235\351\230\266/11.\346\223\215\344\275\234\347\254\246/8.\351\200\273\350\276\221\346\223\215\344\275\234\347\254\246/config.json"
index 3ca7876..7d90022 100644
--- "a/data/1.Java\345\210\235\351\230\266/11.\346\223\215\344\275\234\347\254\246/8.\351\200\273\350\276\221\346\223\215\344\275\234\347\254\246/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/11.\346\223\215\344\275\234\347\254\246/8.\351\200\273\350\276\221\346\223\215\344\275\234\347\254\246/config.json"
@@ -5,7 +5,8 @@
     {
       "短路": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/1.Java\345\210\235\351\230\266/11.\346\223\215\344\275\234\347\254\246/config.json" "b/data/1.Java\345\210\235\351\230\266/11.\346\223\215\344\275\234\347\254\246/config.json"
index 3407cf9..75e9e6f 100644
--- "a/data/1.Java\345\210\235\351\230\266/11.\346\223\215\344\275\234\347\254\246/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/11.\346\223\215\344\275\234\347\254\246/config.json"
@@ -1,4 +1,84 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [
+    {
+      "File类的常用方法": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "遍历目录下的文件": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "删除文件及目录": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "创建文件对象": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "文件操作": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "文件夹操作": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "目录列表器": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "目录实用工具": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "目录的检查及创建": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "文件的创建与删除": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "获取文件信息": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    }
+  ],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/12.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/10.\345\210\235\345\247\213\345\214\226\344\270\216\346\270\205\347\220\206/config.json" "b/data/1.Java\345\210\235\351\230\266/12.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/10.\345\210\235\345\247\213\345\214\226\344\270\216\346\270\205\347\220\206/config.json"
index af6798a..2936f9a 100644
--- "a/data/1.Java\345\210\235\351\230\266/12.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/10.\345\210\235\345\247\213\345\214\226\344\270\216\346\270\205\347\220\206/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/12.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/10.\345\210\235\345\247\213\345\214\226\344\270\216\346\270\205\347\220\206/config.json"
@@ -5,13 +5,15 @@
     {
       "用构造器确保初始化": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "缺省构造器": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -21,10 +23,12 @@
           {
             "指定初始化": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -34,22 +38,26 @@
           {
             "初始化顺序": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "静态数据的初始化": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "显式的静态初始化": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -59,10 +67,12 @@
           {
             "可变参数列表": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -76,10 +86,12 @@
                 {
                   "将静态导入用于enum": {
                     "keywords": [],
-                    "children": []
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                   }
                 }
-              ]
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
@@ -89,46 +101,54 @@
                 {
                   "覆盖enum的方法": {
                     "keywords": [],
-                    "children": []
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                   }
                 }
-              ]
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "switch语句中的enum": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "values（）的神秘之处": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "实现但不继承随机选取": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "为组织而使用接口": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "使用EnumSet替代标志": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "使用EnumMap": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
@@ -138,16 +158,19 @@
                 {
                   "使用enum的职责链": {
                     "keywords": [],
-                    "children": []
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                   }
                 },
                 {
                   "使用enum的状态机": {
                     "keywords": [],
-                    "children": []
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                   }
                 }
-              ]
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
@@ -157,37 +180,44 @@
                 {
                   "使用enum分发": {
                     "keywords": [],
-                    "children": []
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                   }
                 },
                 {
                   "使用EnumMap分发": {
                     "keywords": [],
-                    "children": []
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                   }
                 }
-              ]
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "使用枚举类型设置常量": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "使用枚举类型的优势": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "类初始化块": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -197,40 +227,47 @@
           {
             "包访问权限": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "public:接口访问权限": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "private: 你无法访问": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "protected：继承访问权限": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "类的访问权限": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "组合语法": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -240,10 +277,12 @@
           {
             "初始化基类": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -253,46 +292,54 @@
           {
             "创建代理对象": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "代理类的特性": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "在组合与继承之间选择": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "protected关键字": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "添加一组元素": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "容器的打印": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "List": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -302,34 +349,40 @@
           {
             "ListIterator": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "LinkedList": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "Stack": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "Set": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "Map": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -339,16 +392,19 @@
           {
             "PriorityQueue": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "Collection和Iterator": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -358,10 +414,12 @@
           {
             "适配器方法惯用法": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/1.Java\345\210\235\351\230\266/12.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/11.\351\200\232\350\277\207\345\274\202\345\270\270\345\244\204\347\220\206\351\224\231\350\257\257/config.json" "b/data/1.Java\345\210\235\351\230\266/12.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/11.\351\200\232\350\277\207\345\274\202\345\270\270\345\244\204\347\220\206\351\224\231\350\257\257/config.json"
index 881d0da..e4ac470 100644
--- "a/data/1.Java\345\210\235\351\230\266/12.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/11.\351\200\232\350\277\207\345\274\202\345\270\270\345\244\204\347\220\206\351\224\231\350\257\257/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/12.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/11.\351\200\232\350\277\207\345\274\202\345\270\270\345\244\204\347\220\206\351\224\231\350\257\257/config.json"
@@ -5,7 +5,8 @@
     {
       "概念": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -15,46 +16,54 @@
           {
             "try块": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "异常处理程序": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "f?inally子句": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "try-with-Resources语句": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "分析堆栈轨迹元素": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "创建自定义异常": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "异常说明": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -64,22 +73,26 @@
           {
             "栈轨迹": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "重新抛出异常": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "异常链": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -89,10 +102,12 @@
           {
             "特例: RuntimeException（运行时异常）": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -102,22 +117,26 @@
           {
             "finally用来做什么": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "在return中使用finally": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "缺憾：异常丢失": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -127,22 +146,26 @@
           {
             "使用构造器执行初始化": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "构造器重载": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "异常匹配": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -152,34 +175,40 @@
           {
             "历史": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "观点": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "把异常传递给控制台": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "把“受检查异常”转换为“不受检查的异常”": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "异常使用指南": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/1.Java\345\210\235\351\230\266/12.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/3.\350\277\255\344\273\243/config.json" "b/data/1.Java\345\210\235\351\230\266/12.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/3.\350\277\255\344\273\243/config.json"
index cf4af07..a138689 100644
--- "a/data/1.Java\345\210\235\351\230\266/12.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/3.\350\277\255\344\273\243/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/12.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/3.\350\277\255\344\273\243/config.json"
@@ -5,13 +5,15 @@
     {
       "do-while": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "逗号操作符": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/1.Java\345\210\235\351\230\266/12.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/9.\345\257\271\350\261\241\345\257\274\350\256\272/config.json" "b/data/1.Java\345\210\235\351\230\266/12.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/9.\345\257\271\350\261\241\345\257\274\350\256\272/config.json"
index d960b54..86c4834 100644
--- "a/data/1.Java\345\210\235\351\230\266/12.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/9.\345\257\271\350\261\241\345\257\274\350\256\272/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/12.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/9.\345\257\271\350\261\241\345\257\274\350\256\272/config.json"
@@ -5,43 +5,50 @@
     {
       "抽象过程": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "每个对象都有一个接口": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "每个对象都提供服务": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "被隐藏的具体实现": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "复用具体实现": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "伴随多态的可互换对象": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "单根继承结构": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -51,10 +58,12 @@
           {
             "参数化类型（范型）": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/1.Java\345\210\235\351\230\266/12.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/config.json" "b/data/1.Java\345\210\235\351\230\266/12.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/1.Java\345\210\235\351\230\266/12.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/12.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/13.\350\276\223\345\205\245\345\222\214\350\276\223\345\207\272/config.json" "b/data/1.Java\345\210\235\351\230\266/13.\350\276\223\345\205\245\345\222\214\350\276\223\345\207\272/config.json"
index 3407cf9..86c4834 100644
--- "a/data/1.Java\345\210\235\351\230\266/13.\350\276\223\345\205\245\345\222\214\350\276\223\345\207\272/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/13.\350\276\223\345\205\245\345\222\214\350\276\223\345\207\272/config.json"
@@ -1,4 +1,71 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [
+    {
+      "抽象过程": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "每个对象都有一个接口": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "每个对象都提供服务": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "被隐藏的具体实现": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "复用具体实现": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "伴随多态的可互换对象": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "单根继承结构": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "容器": {
+        "keywords": [],
+        "children": [
+          {
+            "参数化类型（范型）": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          }
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    }
+  ],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/14.\346\267\273\345\212\240\345\261\236\346\200\247\345\222\214\346\234\211\347\224\250\347\232\204\346\216\245\345\217\243/config.json" "b/data/1.Java\345\210\235\351\230\266/14.\346\267\273\345\212\240\345\261\236\346\200\247\345\222\214\346\234\211\347\224\250\347\232\204\346\216\245\345\217\243/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/1.Java\345\210\235\351\230\266/14.\346\267\273\345\212\240\345\261\236\346\200\247\345\222\214\346\234\211\347\224\250\347\232\204\346\216\245\345\217\243/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/14.\346\267\273\345\212\240\345\261\236\346\200\247\345\222\214\346\234\211\347\224\250\347\232\204\346\216\245\345\217\243/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/15.Reader\345\222\214Writer/config.json" "b/data/1.Java\345\210\235\351\230\266/15.Reader\345\222\214Writer/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/1.Java\345\210\235\351\230\266/15.Reader\345\222\214Writer/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/15.Reader\345\222\214Writer/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/16.IO\347\232\204\345\205\270\345\236\213\344\275\277\347\224\250\346\226\271\345\274\217/config.json" "b/data/1.Java\345\210\235\351\230\266/16.IO\347\232\204\345\205\270\345\236\213\344\275\277\347\224\250\346\226\271\345\274\217/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/1.Java\345\210\235\351\230\266/16.IO\347\232\204\345\205\270\345\236\213\344\275\277\347\224\250\346\226\271\345\274\217/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/16.IO\347\232\204\345\205\270\345\236\213\344\275\277\347\224\250\346\226\271\345\274\217/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/17.\346\226\207\344\273\266\350\257\273\345\206\231\347\232\204\345\256\236\347\224\250\345\267\245\345\205\267/config.json" "b/data/1.Java\345\210\235\351\230\266/17.\346\226\207\344\273\266\350\257\273\345\206\231\347\232\204\345\256\236\347\224\250\345\267\245\345\205\267/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/1.Java\345\210\235\351\230\266/17.\346\226\207\344\273\266\350\257\273\345\206\231\347\232\204\345\256\236\347\224\250\345\267\245\345\205\267/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/17.\346\226\207\344\273\266\350\257\273\345\206\231\347\232\204\345\256\236\347\224\250\345\267\245\345\205\267/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/18.\346\240\207\345\207\206IO/config.json" "b/data/1.Java\345\210\235\351\230\266/18.\346\240\207\345\207\206IO/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/1.Java\345\210\235\351\230\266/18.\346\240\207\345\207\206IO/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/18.\346\240\207\345\207\206IO/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/19.\350\277\233\347\250\213\346\216\247\345\210\266/config.json" "b/data/1.Java\345\210\235\351\230\266/19.\350\277\233\347\250\213\346\216\247\345\210\266/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/1.Java\345\210\235\351\230\266/19.\350\277\233\347\250\213\346\216\247\345\210\266/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/19.\350\277\233\347\250\213\346\216\247\345\210\266/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/2.\347\254\254\344\270\200\344\270\252Java\347\250\213\345\272\217/config.json" "b/data/1.Java\345\210\235\351\230\266/2.\347\254\254\344\270\200\344\270\252Java\347\250\213\345\272\217/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/1.Java\345\210\235\351\230\266/2.\347\254\254\344\270\200\344\270\252Java\347\250\213\345\272\217/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/2.\347\254\254\344\270\200\344\270\252Java\347\250\213\345\272\217/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/20.\345\216\213\347\274\251/config.json" "b/data/1.Java\345\210\235\351\230\266/20.\345\216\213\347\274\251/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/1.Java\345\210\235\351\230\266/20.\345\216\213\347\274\251/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/20.\345\216\213\347\274\251/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/21.XML/config.json" "b/data/1.Java\345\210\235\351\230\266/21.XML/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/1.Java\345\210\235\351\230\266/21.XML/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/21.XML/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/22.Preferences/config.json" "b/data/1.Java\345\210\235\351\230\266/22.Preferences/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/1.Java\345\210\235\351\230\266/22.Preferences/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/22.Preferences/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/23.JDK\347\232\204\344\275\277\347\224\250/config.json" "b/data/1.Java\345\210\235\351\230\266/23.JDK\347\232\204\344\275\277\347\224\250/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/1.Java\345\210\235\351\230\266/23.JDK\347\232\204\344\275\277\347\224\250/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/23.JDK\347\232\204\344\275\277\347\224\250/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/24.\347\263\273\347\273\237\347\216\257\345\242\203\345\217\230\351\207\217/config.json" "b/data/1.Java\345\210\235\351\230\266/24.\347\263\273\347\273\237\347\216\257\345\242\203\345\217\230\351\207\217/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/1.Java\345\210\235\351\230\266/24.\347\263\273\347\273\237\347\216\257\345\242\203\345\217\230\351\207\217/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/24.\347\263\273\347\273\237\347\216\257\345\242\203\345\217\230\351\207\217/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/3.Java\347\232\204\350\277\220\350\241\214\346\234\272\345\210\266/config.json" "b/data/1.Java\345\210\235\351\230\266/3.Java\347\232\204\350\277\220\350\241\214\346\234\272\345\210\266/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/1.Java\345\210\235\351\230\266/3.Java\347\232\204\350\277\220\350\241\214\346\234\272\345\210\266/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/3.Java\347\232\204\350\277\220\350\241\214\346\234\272\345\210\266/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/4.Java\347\232\204\345\237\272\346\234\254\350\257\255\346\263\225/config.json" "b/data/1.Java\345\210\235\351\230\266/4.Java\347\232\204\345\237\272\346\234\254\350\257\255\346\263\225/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/1.Java\345\210\235\351\230\266/4.Java\347\232\204\345\237\272\346\234\254\350\257\255\346\263\225/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/4.Java\347\232\204\345\237\272\346\234\254\350\257\255\346\263\225/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/5.Java\344\270\255\347\232\204\345\217\230\351\207\217\344\270\216\345\270\270\351\207\217/config.json" "b/data/1.Java\345\210\235\351\230\266/5.Java\344\270\255\347\232\204\345\217\230\351\207\217\344\270\216\345\270\270\351\207\217/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/1.Java\345\210\235\351\230\266/5.Java\344\270\255\347\232\204\345\217\230\351\207\217\344\270\216\345\270\270\351\207\217/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/5.Java\344\270\255\347\232\204\345\217\230\351\207\217\344\270\216\345\270\270\351\207\217/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/6.Java\344\270\255\347\232\204\350\277\220\347\256\227\347\254\246/config.json" "b/data/1.Java\345\210\235\351\230\266/6.Java\344\270\255\347\232\204\350\277\220\347\256\227\347\254\246/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/1.Java\345\210\235\351\230\266/6.Java\344\270\255\347\232\204\350\277\220\347\256\227\347\254\246/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/6.Java\344\270\255\347\232\204\350\277\220\347\256\227\347\254\246/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/7.\351\200\211\346\213\251\347\273\223\346\236\204\350\257\255\345\217\245/config.json" "b/data/1.Java\345\210\235\351\230\266/7.\351\200\211\346\213\251\347\273\223\346\236\204\350\257\255\345\217\245/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/1.Java\345\210\235\351\230\266/7.\351\200\211\346\213\251\347\273\223\346\236\204\350\257\255\345\217\245/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/7.\351\200\211\346\213\251\347\273\223\346\236\204\350\257\255\345\217\245/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/8.\345\276\252\347\216\257\347\273\223\346\236\204\350\257\255\345\217\245/config.json" "b/data/1.Java\345\210\235\351\230\266/8.\345\276\252\347\216\257\347\273\223\346\236\204\350\257\255\345\217\245/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/1.Java\345\210\235\351\230\266/8.\345\276\252\347\216\257\347\273\223\346\236\204\350\257\255\345\217\245/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/8.\345\276\252\347\216\257\347\273\223\346\236\204\350\257\255\345\217\245/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/16.\346\230\240\345\260\204/config.json" "b/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/16.\346\230\240\345\260\204/config.json"
index 43cadbc..f7d8cb4 100644
--- "a/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/16.\346\230\240\345\260\204/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/16.\346\230\240\345\260\204/config.json"
@@ -5,43 +5,50 @@
     {
       "基本映射操作": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "更新映射条目": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "映射视图": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "弱散列映射": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "链接散列集与映射": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "枚举集与映射": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "标识散列映射": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/17.\347\256\227\346\263\225/config.json" "b/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/17.\347\256\227\346\263\225/config.json"
index d5c11bc..8a82a6f 100644
--- "a/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/17.\347\256\227\346\263\225/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/17.\347\256\227\346\263\225/config.json"
@@ -5,25 +5,29 @@
     {
       "二分查找": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "简单算法": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "批操作": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "编写自己的算法": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/18.\351\201\227\347\225\231\347\232\204\351\233\206\345\220\210/config.json" "b/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/18.\351\201\227\347\225\231\347\232\204\351\233\206\345\220\210/config.json"
index 66cc2a1..533a856 100644
--- "a/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/18.\351\201\227\347\225\231\347\232\204\351\233\206\345\220\210/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/18.\351\201\227\347\225\231\347\232\204\351\233\206\345\220\210/config.json"
@@ -5,19 +5,22 @@
     {
       "属性映射": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "栈": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "位集": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/3.List\346\216\245\345\217\243/config.json" "b/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/3.List\346\216\245\345\217\243/config.json"
index f1bb898..97c8da3 100644
--- "a/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/3.List\346\216\245\345\217\243/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/3.List\346\216\245\345\217\243/config.json"
@@ -5,19 +5,22 @@
     {
       "List接口简介": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "ArrayList集合": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "LinkedList集合": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/4.Collection\351\233\206\345\220\210\351\201\215\345\216\206/config.json" "b/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/4.Collection\351\233\206\345\220\210\351\201\215\345\216\206/config.json"
index e553c79..f883e99 100644
--- "a/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/4.Collection\351\233\206\345\220\210\351\201\215\345\216\206/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/4.Collection\351\233\206\345\220\210\351\201\215\345\216\206/config.json"
@@ -5,19 +5,22 @@
     {
       "Iterator遍历集合": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "foreach遍历集合": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "JDK 8的forEach遍历集合": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/5.Set\346\216\245\345\217\243/config.json" "b/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/5.Set\346\216\245\345\217\243/config.json"
index 49ad1c9..742c133 100644
--- "a/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/5.Set\346\216\245\345\217\243/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/5.Set\346\216\245\345\217\243/config.json"
@@ -5,19 +5,22 @@
     {
       "Set接口简介": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "HashSet集合": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "TreeSet集合": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/6.Map\346\216\245\345\217\243/config.json" "b/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/6.Map\346\216\245\345\217\243/config.json"
index 55786ac..0f91f87 100644
--- "a/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/6.Map\346\216\245\345\217\243/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/6.Map\346\216\245\345\217\243/config.json"
@@ -5,31 +5,36 @@
     {
       "Map接口简介": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "HashMap集合": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "Map集合遍历": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "TreeMap集合": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "Properties集合": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/7.\345\270\270\347\224\250\345\267\245\345\205\267\347\261\273/config.json" "b/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/7.\345\270\270\347\224\250\345\267\245\345\205\267\347\261\273/config.json"
index aeca023..8c3cec6 100644
--- "a/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/7.\345\270\270\347\224\250\345\267\245\345\205\267\347\261\273/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/7.\345\270\270\347\224\250\345\267\245\345\205\267\347\261\273/config.json"
@@ -5,13 +5,15 @@
     {
       "Collections工具类": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "Arrays工具类": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/8.\350\201\232\345\220\210\346\223\215\344\275\234/config.json" "b/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/8.\350\201\232\345\220\210\346\223\215\344\275\234/config.json"
index 97f40c5..5d691f8 100644
--- "a/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/8.\350\201\232\345\220\210\346\223\215\344\275\234/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/8.\350\201\232\345\220\210\346\223\215\344\275\234/config.json"
@@ -5,25 +5,29 @@
     {
       "聚合操作简介": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "创建Stream流对象": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "Stream流的常用方法": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "Parallel Stream（并行流）": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/9.Java\351\233\206\345\220\210\346\241\206\346\236\266/config.json" "b/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/9.Java\351\233\206\345\220\210\346\241\206\346\236\266/config.json"
index 2b25da3..614137a 100644
--- "a/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/9.Java\351\233\206\345\220\210\346\241\206\346\236\266/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/9.Java\351\233\206\345\220\210\346\241\206\346\236\266/config.json"
@@ -5,13 +5,15 @@
     {
       "集合接口与实现分离": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "泛型实用方法": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/config.json" "b/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/9.\351\233\206\345\220\210/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/1.IO\357\274\210\350\276\223\345\205\245\350\276\223\345\207\272\357\274\211/2.\350\276\223\345\205\245\350\276\223\345\207\272\346\265\201/config.json" "b/data/2.Java\344\270\255\351\230\266/1.IO\357\274\210\350\276\223\345\205\245\350\276\223\345\207\272\357\274\211/2.\350\276\223\345\205\245\350\276\223\345\207\272\346\265\201/config.json"
index 6d4a800..5303182 100644
--- "a/data/2.Java\344\270\255\351\230\266/1.IO\357\274\210\350\276\223\345\205\245\350\276\223\345\207\272\357\274\211/2.\350\276\223\345\205\245\350\276\223\345\207\272\346\265\201/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/1.IO\357\274\210\350\276\223\345\205\245\350\276\223\345\207\272\357\274\211/2.\350\276\223\345\205\245\350\276\223\345\207\272\346\265\201/config.json"
@@ -5,13 +5,15 @@
     {
       "输入流": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "输出流": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/1.IO\357\274\210\350\276\223\345\205\245\350\276\223\345\207\272\357\274\211/3.\346\226\207\344\273\266\350\276\223\345\205\245\350\276\223\345\207\272\346\265\201/config.json" "b/data/2.Java\344\270\255\351\230\266/1.IO\357\274\210\350\276\223\345\205\245\350\276\223\345\207\272\357\274\211/3.\346\226\207\344\273\266\350\276\223\345\205\245\350\276\223\345\207\272\346\265\201/config.json"
index ed8ea76..c7edd10 100644
--- "a/data/2.Java\344\270\255\351\230\266/1.IO\357\274\210\350\276\223\345\205\245\350\276\223\345\207\272\357\274\211/3.\346\226\207\344\273\266\350\276\223\345\205\245\350\276\223\345\207\272\346\265\201/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/1.IO\357\274\210\350\276\223\345\205\245\350\276\223\345\207\272\357\274\211/3.\346\226\207\344\273\266\350\276\223\345\205\245\350\276\223\345\207\272\346\265\201/config.json"
@@ -5,13 +5,15 @@
     {
       "FileInputStream类与FileOutputStream类": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "FileReader类与FileWriter类": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/1.IO\357\274\210\350\276\223\345\205\245\350\276\223\345\207\272\357\274\211/4.\345\270\246\347\274\223\345\206\262\347\232\204\350\276\223\345\205\245\350\276\223\345\207\272\346\265\201/config.json" "b/data/2.Java\344\270\255\351\230\266/1.IO\357\274\210\350\276\223\345\205\245\350\276\223\345\207\272\357\274\211/4.\345\270\246\347\274\223\345\206\262\347\232\204\350\276\223\345\205\245\350\276\223\345\207\272\346\265\201/config.json"
index 2ee646b..79c2c10 100644
--- "a/data/2.Java\344\270\255\351\230\266/1.IO\357\274\210\350\276\223\345\205\245\350\276\223\345\207\272\357\274\211/4.\345\270\246\347\274\223\345\206\262\347\232\204\350\276\223\345\205\245\350\276\223\345\207\272\346\265\201/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/1.IO\357\274\210\350\276\223\345\205\245\350\276\223\345\207\272\357\274\211/4.\345\270\246\347\274\223\345\206\262\347\232\204\350\276\223\345\205\245\350\276\223\345\207\272\346\265\201/config.json"
@@ -5,13 +5,15 @@
     {
       "BufferedInputStream类与BufferedOutputStream类": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "BufferedReader类与BufferedWriter类": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/1.IO\357\274\210\350\276\223\345\205\245\350\276\223\345\207\272\357\274\211/7.ZIP\345\216\213\347\274\251\350\276\223\345\205\245\350\276\223\345\207\272\346\265\201/config.json" "b/data/2.Java\344\270\255\351\230\266/1.IO\357\274\210\350\276\223\345\205\245\350\276\223\345\207\272\357\274\211/7.ZIP\345\216\213\347\274\251\350\276\223\345\205\245\350\276\223\345\207\272\346\265\201/config.json"
index 89b0a5b..98eb0f6 100644
--- "a/data/2.Java\344\270\255\351\230\266/1.IO\357\274\210\350\276\223\345\205\245\350\276\223\345\207\272\357\274\211/7.ZIP\345\216\213\347\274\251\350\276\223\345\205\245\350\276\223\345\207\272\346\265\201/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/1.IO\357\274\210\350\276\223\345\205\245\350\276\223\345\207\272\357\274\211/7.ZIP\345\216\213\347\274\251\350\276\223\345\205\245\350\276\223\345\207\272\346\265\201/config.json"
@@ -5,13 +5,15 @@
     {
       "压缩文件": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "解压缩ZIP文件": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/10.\346\263\250\350\247\243/1.\345\237\272\346\234\254\350\257\255\346\263\225/config.json" "b/data/2.Java\344\270\255\351\230\266/10.\346\263\250\350\247\243/1.\345\237\272\346\234\254\350\257\255\346\263\225/config.json"
index 7e90296..eb2b225 100644
--- "a/data/2.Java\344\270\255\351\230\266/10.\346\263\250\350\247\243/1.\345\237\272\346\234\254\350\257\255\346\263\225/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/10.\346\263\250\350\247\243/1.\345\237\272\346\234\254\350\257\255\346\263\225/config.json"
@@ -5,13 +5,15 @@
     {
       "定义注解": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "元注解": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/10.\346\263\250\350\247\243/2.\347\274\226\345\206\231\346\263\250\350\247\243\345\244\204\347\220\206\345\231\250/config.json" "b/data/2.Java\344\270\255\351\230\266/10.\346\263\250\350\247\243/2.\347\274\226\345\206\231\346\263\250\350\247\243\345\244\204\347\220\206\345\231\250/config.json"
index e4e42a4..63b4fe1 100644
--- "a/data/2.Java\344\270\255\351\230\266/10.\346\263\250\350\247\243/2.\347\274\226\345\206\231\346\263\250\350\247\243\345\244\204\347\220\206\345\231\250/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/10.\346\263\250\350\247\243/2.\347\274\226\345\206\231\346\263\250\350\247\243\345\244\204\347\220\206\345\231\250/config.json"
@@ -5,31 +5,36 @@
     {
       "注解元素": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "缺省值限制": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "生成外部文件": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "注解不支持继承": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "实现处理器": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/10.\346\263\250\350\247\243/5.\345\237\272\344\272\216\346\263\250\350\247\243\347\232\204\345\215\225\345\205\203\346\265\213\350\257\225/config.json" "b/data/2.Java\344\270\255\351\230\266/10.\346\263\250\350\247\243/5.\345\237\272\344\272\216\346\263\250\350\247\243\347\232\204\345\215\225\345\205\203\346\265\213\350\257\225/config.json"
index 6cd64b5..bd56b97 100644
--- "a/data/2.Java\344\270\255\351\230\266/10.\346\263\250\350\247\243/5.\345\237\272\344\272\216\346\263\250\350\247\243\347\232\204\345\215\225\345\205\203\346\265\213\350\257\225/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/10.\346\263\250\350\247\243/5.\345\237\272\344\272\216\346\263\250\350\247\243\347\232\204\345\215\225\345\205\203\346\265\213\350\257\225/config.json"
@@ -5,25 +5,29 @@
     {
       "将@Unit用于泛型": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "不需要任何“套件”": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "实现@Unit": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "移除测试代码": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/10.\346\263\250\350\247\243/config.json" "b/data/2.Java\344\270\255\351\230\266/10.\346\263\250\350\247\243/config.json"
index 3407cf9..98eb0f6 100644
--- "a/data/2.Java\344\270\255\351\230\266/10.\346\263\250\350\247\243/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/10.\346\263\250\350\247\243/config.json"
@@ -1,4 +1,21 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [
+    {
+      "压缩文件": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "解压缩ZIP文件": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    }
+  ],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/1.\345\271\266\345\217\221\347\232\204\345\244\232\351\235\242\346\200\247/config.json" "b/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/1.\345\271\266\345\217\221\347\232\204\345\244\232\351\235\242\346\200\247/config.json"
index 00eff77..fa7ded4 100644
--- "a/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/1.\345\271\266\345\217\221\347\232\204\345\244\232\351\235\242\346\200\247/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/1.\345\271\266\345\217\221\347\232\204\345\244\232\351\235\242\346\200\247/config.json"
@@ -5,13 +5,15 @@
     {
       "更快的执行": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "改进代码设计": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/10.\347\272\277\347\250\213\347\212\266\346\200\201/config.json" "b/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/10.\347\272\277\347\250\213\347\212\266\346\200\201/config.json"
index b8db441..acbb0b5 100644
--- "a/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/10.\347\272\277\347\250\213\347\212\266\346\200\201/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/10.\347\272\277\347\250\213\347\212\266\346\200\201/config.json"
@@ -5,25 +5,29 @@
     {
       "新建线程": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "可运行线程": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "阻塞和等待线程": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "终止线程": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/11.\347\272\277\347\250\213\345\261\236\346\200\247/config.json" "b/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/11.\347\272\277\347\250\213\345\261\236\346\200\247/config.json"
index 08e81f8..30ef9c2 100644
--- "a/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/11.\347\272\277\347\250\213\345\261\236\346\200\247/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/11.\347\272\277\347\250\213\345\261\236\346\200\247/config.json"
@@ -5,25 +5,29 @@
     {
       "中断线程": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "守护线程": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "线程名": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "未捕获异常的处理器": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/12.\347\272\277\347\250\213\345\256\211\345\205\250\347\232\204\351\233\206\345\220\210/config.json" "b/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/12.\347\272\277\347\250\213\345\256\211\345\205\250\347\232\204\351\233\206\345\220\210/config.json"
index 60ae65f..fac1e1e 100644
--- "a/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/12.\347\272\277\347\250\213\345\256\211\345\205\250\347\232\204\351\233\206\345\220\210/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/12.\347\272\277\347\250\213\345\256\211\345\205\250\347\232\204\351\233\206\345\220\210/config.json"
@@ -5,43 +5,50 @@
     {
       "阻塞队列": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "映射条目的原子更新": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "对并发散列映射的批操作": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "并发集视图": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "写数组的拷贝": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "并行数组算法": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "较早的线程安全集合": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/13.\345\274\202\346\255\245\350\256\241\347\256\227/config.json" "b/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/13.\345\274\202\346\255\245\350\256\241\347\256\227/config.json"
index 1497af3..eb126e8 100644
--- "a/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/13.\345\274\202\346\255\245\350\256\241\347\256\227/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/13.\345\274\202\346\255\245\350\256\241\347\256\227/config.json"
@@ -5,19 +5,22 @@
     {
       "可完成Future": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "组合可完成Future": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "用户界面回调中的长时间运行任务": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/2.\345\237\272\346\234\254\347\232\204\347\272\277\347\250\213\346\234\272\345\210\266/config.json" "b/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/2.\345\237\272\346\234\254\347\232\204\347\272\277\347\250\213\346\234\272\345\210\266/config.json"
index 1636856..a0f4dfd 100644
--- "a/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/2.\345\237\272\346\234\254\347\232\204\347\272\277\347\250\213\346\234\272\345\210\266/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/2.\345\237\272\346\234\254\347\232\204\347\272\277\347\250\213\346\234\272\345\210\266/config.json"
@@ -5,49 +5,57 @@
     {
       "定义任务让步": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "使用Executor": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "从任务产生返回值": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "休眠": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "让步": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "编码的变体": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "术语": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "创建有响应的用户界面": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/3.\345\205\261\344\272\253\345\217\227\351\231\220\350\265\204\346\272\220/config.json" "b/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/3.\345\205\261\344\272\253\345\217\227\351\231\220\350\265\204\346\272\220/config.json"
index c464d4c..f360bcf 100644
--- "a/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/3.\345\205\261\344\272\253\345\217\227\351\231\220\350\265\204\346\272\220/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/3.\345\205\261\344\272\253\345\217\227\351\231\220\350\265\204\346\272\220/config.json"
@@ -5,43 +5,50 @@
     {
       "不正确地访问资源": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "解决共享资源竞争": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "原子性与易变性": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "原子类": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "临界资源": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "在其他对象上同步": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "线程局部存储": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/4.\347\273\210\347\273\223\344\273\273\345\212\241/config.json" "b/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/4.\347\273\210\347\273\223\344\273\273\345\212\241/config.json"
index 309a32b..fcd3aa6 100644
--- "a/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/4.\347\273\210\347\273\223\344\273\273\345\212\241/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/4.\347\273\210\347\273\223\344\273\273\345\212\241/config.json"
@@ -5,25 +5,29 @@
     {
       "装饰性花园": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "在阻塞时终结": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "中断": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "检查中断": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/5.\347\272\277\347\250\213\344\271\213\351\227\264\347\232\204\345\215\217\344\275\234/config.json" "b/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/5.\347\272\277\347\250\213\344\271\213\351\227\264\347\232\204\345\215\217\344\275\234/config.json"
index 05ea71d..0005e84 100644
--- "a/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/5.\347\272\277\347\250\213\344\271\213\351\227\264\347\232\204\345\215\217\344\275\234/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/5.\347\272\277\347\250\213\344\271\213\351\227\264\347\232\204\345\215\217\344\275\234/config.json"
@@ -5,25 +5,29 @@
     {
       "wait（）与notifyAll（）": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "notify（）与notifyAll（）": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "生产者与消费者": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "任务间使用管道进行输入输出": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/7.\346\200\247\350\203\275\350\260\203\344\274\230/config.json" "b/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/7.\346\200\247\350\203\275\350\260\203\344\274\230/config.json"
index 31fae39..5287e15 100644
--- "a/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/7.\346\200\247\350\203\275\350\260\203\344\274\230/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/7.\346\200\247\350\203\275\350\260\203\344\274\230/config.json"
@@ -5,25 +5,29 @@
     {
       "比较各类互斥技术": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "免锁容器": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "乐观锁": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "ReadWriteLock": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/config.json" "b/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/11.\345\271\266\345\217\221/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/12.Maven\345\237\272\347\241\200/config.json" "b/data/2.Java\344\270\255\351\230\266/12.Maven\345\237\272\347\241\200/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/2.Java\344\270\255\351\230\266/12.Maven\345\237\272\347\241\200/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/12.Maven\345\237\272\347\241\200/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/2.RandomAccessFile/config.json" "b/data/2.Java\344\270\255\351\230\266/2.RandomAccessFile/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/2.Java\344\270\255\351\230\266/2.RandomAccessFile/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/2.RandomAccessFile/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/3.\345\257\271\350\261\241\345\272\217\345\210\227\345\214\226/config.json" "b/data/2.Java\344\270\255\351\230\266/3.\345\257\271\350\261\241\345\272\217\345\210\227\345\214\226/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/2.Java\344\270\255\351\230\266/3.\345\257\271\350\261\241\345\272\217\345\210\227\345\214\226/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/3.\345\257\271\350\261\241\345\272\217\345\210\227\345\214\226/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/4.\344\275\277\347\224\250JDBC\346\223\215\344\275\234\346\225\260\346\215\256\345\272\223/1.JDBC\346\246\202\350\277\260/config.json" "b/data/2.Java\344\270\255\351\230\266/4.\344\275\277\347\224\250JDBC\346\223\215\344\275\234\346\225\260\346\215\256\345\272\223/1.JDBC\346\246\202\350\277\260/config.json"
index 1756fe6..80437f7 100644
--- "a/data/2.Java\344\270\255\351\230\266/4.\344\275\277\347\224\250JDBC\346\223\215\344\275\234\346\225\260\346\215\256\345\272\223/1.JDBC\346\246\202\350\277\260/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/4.\344\275\277\347\224\250JDBC\346\223\215\344\275\234\346\225\260\346\215\256\345\272\223/1.JDBC\346\246\202\350\277\260/config.json"
@@ -5,19 +5,22 @@
     {
       "JDBC-ODBC桥": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "JDBC技术": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "JDBC驱动程序的类型": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/4.\344\275\277\347\224\250JDBC\346\223\215\344\275\234\346\225\260\346\215\256\345\272\223/2.\346\225\260\346\215\256\345\272\223\346\223\215\344\275\234/config.json" "b/data/2.Java\344\270\255\351\230\266/4.\344\275\277\347\224\250JDBC\346\223\215\344\275\234\346\225\260\346\215\256\345\272\223/2.\346\225\260\346\215\256\345\272\223\346\223\215\344\275\234/config.json"
index 641dca3..bcd826f 100644
--- "a/data/2.Java\344\270\255\351\230\266/4.\344\275\277\347\224\250JDBC\346\223\215\344\275\234\346\225\260\346\215\256\345\272\223/2.\346\225\260\346\215\256\345\272\223\346\223\215\344\275\234/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/4.\344\275\277\347\224\250JDBC\346\223\215\344\275\234\346\225\260\346\215\256\345\272\223/2.\346\225\260\346\215\256\345\272\223\346\223\215\344\275\234/config.json"
@@ -5,25 +5,29 @@
     {
       "数据库基础": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "数据查询": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "动态查询": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "添加、修改、删除记录": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -33,52 +37,61 @@
           {
             "什么是数据库": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "数据库的种类及功能": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "SQL语言": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "向数据库发送SQL语句": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "处理查询结果集": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "顺序查询": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "模糊查询": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "预处理语句": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/4.\344\275\277\347\224\250JDBC\346\223\215\344\275\234\346\225\260\346\215\256\345\272\223/config.json" "b/data/2.Java\344\270\255\351\230\266/4.\344\275\277\347\224\250JDBC\346\223\215\344\275\234\346\225\260\346\215\256\345\272\223/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/2.Java\344\270\255\351\230\266/4.\344\275\277\347\224\250JDBC\346\223\215\344\275\234\346\225\260\346\215\256\345\272\223/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/4.\344\275\277\347\224\250JDBC\346\223\215\344\275\234\346\225\260\346\215\256\345\272\223/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/5.NIO/config.json" "b/data/2.Java\344\270\255\351\230\266/5.NIO/config.json"
index 3407cf9..bcd826f 100644
--- "a/data/2.Java\344\270\255\351\230\266/5.NIO/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/5.NIO/config.json"
@@ -1,4 +1,99 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [
+    {
+      "数据库基础": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "数据查询": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "动态查询": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "添加、修改、删除记录": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "数据库基础知识": {
+        "keywords": [],
+        "children": [
+          {
+            "什么是数据库": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "数据库的种类及功能": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "SQL语言": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          }
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "向数据库发送SQL语句": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "处理查询结果集": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "顺序查询": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "模糊查询": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "预处理语句": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    }
+  ],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/1.\347\275\221\347\273\234\347\274\226\347\250\213\345\237\272\347\241\200/config.json" "b/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/1.\347\275\221\347\273\234\347\274\226\347\250\213\345\237\272\347\241\200/config.json"
index e94e51d..1ed00db 100644
--- "a/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/1.\347\275\221\347\273\234\347\274\226\347\250\213\345\237\272\347\241\200/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/1.\347\275\221\347\273\234\347\274\226\347\250\213\345\237\272\347\241\200/config.json"
@@ -5,25 +5,29 @@
     {
       "网络通信协议": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "IP地址和端口号": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "InetAddress": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "UDP与TCP协议": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/2.UDP\351\200\232\344\277\241/config.json" "b/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/2.UDP\351\200\232\344\277\241/config.json"
index 110a7b9..d6981bf 100644
--- "a/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/2.UDP\351\200\232\344\277\241/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/2.UDP\351\200\232\344\277\241/config.json"
@@ -5,31 +5,36 @@
     {
       "UDP通信简介": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "DatagramPacket": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "DatagramSocket": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "UDP网络程序": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "UDP案例——聊天程序": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/3.TCP\351\200\232\344\277\241/config.json" "b/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/3.TCP\351\200\232\344\277\241/config.json"
index 2bf90b6..1f0045e 100644
--- "a/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/3.TCP\351\200\232\344\277\241/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/3.TCP\351\200\232\344\277\241/config.json"
@@ -5,37 +5,43 @@
     {
       "TCP通信简介": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "ServerSocket": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "Socket": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "简单的TCP网络程序": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "多线程的TCP网络程序": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "TCP案例——文件上传": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/4.\347\275\221\347\273\234\347\274\226\347\250\213\347\232\204\345\237\272\347\241\200\347\237\245\350\257\206/config.json" "b/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/4.\347\275\221\347\273\234\347\274\226\347\250\213\347\232\204\345\237\272\347\241\200\347\237\245\350\257\206/config.json"
index 89d5641..46eef9a 100644
--- "a/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/4.\347\275\221\347\273\234\347\274\226\347\250\213\347\232\204\345\237\272\347\241\200\347\237\245\350\257\206/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/4.\347\275\221\347\273\234\347\274\226\347\250\213\347\232\204\345\237\272\347\241\200\347\237\245\350\257\206/config.json"
@@ -5,7 +5,8 @@
     {
       "网络基础知识": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/5.Java\347\232\204\345\237\272\346\234\254\347\275\221\347\273\234\346\224\257\346\214\201/config.json" "b/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/5.Java\347\232\204\345\237\272\346\234\254\347\275\221\347\273\234\346\224\257\346\214\201/config.json"
index 408e570..e85be51 100644
--- "a/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/5.Java\347\232\204\345\237\272\346\234\254\347\275\221\347\273\234\346\224\257\346\214\201/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/5.Java\347\232\204\345\237\272\346\234\254\347\275\221\347\273\234\346\224\257\346\214\201/config.json"
@@ -5,13 +5,15 @@
     {
       "使用URLDecoder和URLEncoder": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "URL、URLConnection和URLPermission": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/6.\345\237\272\344\272\216TCP\345\215\217\350\256\256\347\232\204\347\275\221\347\273\234\347\274\226\347\250\213/config.json" "b/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/6.\345\237\272\344\272\216TCP\345\215\217\350\256\256\347\232\204\347\275\221\347\273\234\347\274\226\347\250\213/config.json"
index 2307218..9b438b4 100644
--- "a/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/6.\345\237\272\344\272\216TCP\345\215\217\350\256\256\347\232\204\347\275\221\347\273\234\347\274\226\347\250\213/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/6.\345\237\272\344\272\216TCP\345\215\217\350\256\256\347\232\204\347\275\221\347\273\234\347\274\226\347\250\213/config.json"
@@ -5,43 +5,50 @@
     {
       "TCP协议基础": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "使用ServerSocket创建TCP服务器端": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "使用Socket进行通信": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "记录用户信息": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "半关闭的Socket": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "使用NIO实现非阻塞Socket通信": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "使用AIO实现非阻塞通信": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/7.\345\237\272\344\272\216UDP\345\215\217\350\256\256\347\232\204\347\275\221\347\273\234\347\274\226\347\250\213/config.json" "b/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/7.\345\237\272\344\272\216UDP\345\215\217\350\256\256\347\232\204\347\275\221\347\273\234\347\274\226\347\250\213/config.json"
index 7784e4e..0049735 100644
--- "a/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/7.\345\237\272\344\272\216UDP\345\215\217\350\256\256\347\232\204\347\275\221\347\273\234\347\274\226\347\250\213/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/7.\345\237\272\344\272\216UDP\345\215\217\350\256\256\347\232\204\347\275\221\347\273\234\347\274\226\347\250\213/config.json"
@@ -5,19 +5,22 @@
     {
       "UDP协议基础": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "使用DatagramSocket发送、接收数据": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "使用MulticastSocket实现多点广播": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/8.\344\275\277\347\224\250\344\273\243\347\220\206\346\234\215\345\212\241\345\231\250/config.json" "b/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/8.\344\275\277\347\224\250\344\273\243\347\220\206\346\234\215\345\212\241\345\231\250/config.json"
index 2d4b083..06d2f71 100644
--- "a/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/8.\344\275\277\347\224\250\344\273\243\347\220\206\346\234\215\345\212\241\345\231\250/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/8.\344\275\277\347\224\250\344\273\243\347\220\206\346\234\215\345\212\241\345\231\250/config.json"
@@ -5,13 +5,15 @@
     {
       "直接使用Proxy创建连接": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "使用ProxySelector自动选择代理服务器": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/9.Java 11\346\240\207\345\207\206\345\214\226\347\232\204HTTP Client/config.json" "b/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/9.Java 11\346\240\207\345\207\206\345\214\226\347\232\204HTTP Client/config.json"
index 79b5a10..c2ef59b 100644
--- "a/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/9.Java 11\346\240\207\345\207\206\345\214\226\347\232\204HTTP Client/config.json"	
+++ "b/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/9.Java 11\346\240\207\345\207\206\345\214\226\347\232\204HTTP Client/config.json"	
@@ -5,31 +5,36 @@
     {
       "发送同步GET请求": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "发送带请求体的请求": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "发送异步请求": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "WebSocket客户端支持": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "基于WebSocket的多人实时聊天": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/config.json" "b/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/6.\347\275\221\347\273\234\347\274\226\347\250\213/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/7.\347\261\273\345\236\213\344\277\241\346\201\257/1.Class\345\257\271\350\261\241/config.json" "b/data/2.Java\344\270\255\351\230\266/7.\347\261\273\345\236\213\344\277\241\346\201\257/1.Class\345\257\271\350\261\241/config.json"
index 51a253a..862ab0a 100644
--- "a/data/2.Java\344\270\255\351\230\266/7.\347\261\273\345\236\213\344\277\241\346\201\257/1.Class\345\257\271\350\261\241/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/7.\347\261\273\345\236\213\344\277\241\346\201\257/1.Class\345\257\271\350\261\241/config.json"
@@ -5,19 +5,22 @@
     {
       "类字面常量": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "泛化的Class引用": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "新的转型语法": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/7.\347\261\273\345\236\213\344\277\241\346\201\257/2.\347\261\273\345\236\213\350\275\254\346\215\242\345\211\215\345\205\210\345\201\232\346\243\200\346\237\245/config.json" "b/data/2.Java\344\270\255\351\230\266/7.\347\261\273\345\236\213\344\277\241\346\201\257/2.\347\261\273\345\236\213\350\275\254\346\215\242\345\211\215\345\205\210\345\201\232\346\243\200\346\237\245/config.json"
index 81d3e01..f067358 100644
--- "a/data/2.Java\344\270\255\351\230\266/7.\347\261\273\345\236\213\344\277\241\346\201\257/2.\347\261\273\345\236\213\350\275\254\346\215\242\345\211\215\345\205\210\345\201\232\346\243\200\346\237\245/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/7.\347\261\273\345\236\213\344\277\241\346\201\257/2.\347\261\273\345\236\213\350\275\254\346\215\242\345\211\215\345\205\210\345\201\232\346\243\200\346\237\245/config.json"
@@ -5,19 +5,22 @@
     {
       "使用类字面常量": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "动态instanceof": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "递归计数": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/7.\347\261\273\345\236\213\344\277\241\346\201\257/5.\345\217\215\345\260\204\357\274\232\350\277\220\350\241\214\346\227\266\347\261\273\344\277\241\346\201\257/config.json" "b/data/2.Java\344\270\255\351\230\266/7.\347\261\273\345\236\213\344\277\241\346\201\257/5.\345\217\215\345\260\204\357\274\232\350\277\220\350\241\214\346\227\266\347\261\273\344\277\241\346\201\257/config.json"
index 75ba61b..428ca8e 100644
--- "a/data/2.Java\344\270\255\351\230\266/7.\347\261\273\345\236\213\344\277\241\346\201\257/5.\345\217\215\345\260\204\357\274\232\350\277\220\350\241\214\346\227\266\347\261\273\344\277\241\346\201\257/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/7.\347\261\273\345\236\213\344\277\241\346\201\257/5.\345\217\215\345\260\204\357\274\232\350\277\220\350\241\214\346\227\266\347\261\273\344\277\241\346\201\257/config.json"
@@ -5,7 +5,8 @@
     {
       "类方法抽取器": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -15,22 +16,26 @@
           {
             "访问构造方法": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "访问成员变量": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "访问方法": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -40,70 +45,82 @@
           {
             "定义Annotation类型": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "访问Annotation信息": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "声明异常入门": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "资源": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "利用反射分析类的能力": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "使用反射在运行时分析": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "使用反射编写泛型数组": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "访问字段": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "调用方法": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "调用构造方法": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "获取继承关系": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/7.\347\261\273\345\236\213\344\277\241\346\201\257/7.\347\251\272\345\257\271\350\261\241/config.json" "b/data/2.Java\344\270\255\351\230\266/7.\347\261\273\345\236\213\344\277\241\346\201\257/7.\347\251\272\345\257\271\350\261\241/config.json"
index b78f3e6..8cd45c3 100644
--- "a/data/2.Java\344\270\255\351\230\266/7.\347\261\273\345\236\213\344\277\241\346\201\257/7.\347\251\272\345\257\271\350\261\241/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/7.\347\261\273\345\236\213\344\277\241\346\201\257/7.\347\251\272\345\257\271\350\261\241/config.json"
@@ -5,7 +5,8 @@
     {
       "模拟对象与桩": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/7.\347\261\273\345\236\213\344\277\241\346\201\257/config.json" "b/data/2.Java\344\270\255\351\230\266/7.\347\261\273\345\236\213\344\277\241\346\201\257/config.json"
index 3407cf9..c2ef59b 100644
--- "a/data/2.Java\344\270\255\351\230\266/7.\347\261\273\345\236\213\344\277\241\346\201\257/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/7.\347\261\273\345\236\213\344\277\241\346\201\257/config.json"
@@ -1,4 +1,42 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [
+    {
+      "发送同步GET请求": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "发送带请求体的请求": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "发送异步请求": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "WebSocket客户端支持": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "基于WebSocket的多人实时聊天": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    }
+  ],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/8.\345\256\271\345\231\250\346\267\261\345\205\245\347\240\224\347\251\266/10.\345\256\236\347\224\250\346\226\271\346\263\225/config.json" "b/data/2.Java\344\270\255\351\230\266/8.\345\256\271\345\231\250\346\267\261\345\205\245\347\240\224\347\251\266/10.\345\256\236\347\224\250\346\226\271\346\263\225/config.json"
index af82ad6..2486b17 100644
--- "a/data/2.Java\344\270\255\351\230\266/8.\345\256\271\345\231\250\346\267\261\345\205\245\347\240\224\347\251\266/10.\345\256\236\347\224\250\346\226\271\346\263\225/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/8.\345\256\271\345\231\250\346\267\261\345\205\245\347\240\224\347\251\266/10.\345\256\236\347\224\250\346\226\271\346\263\225/config.json"
@@ -5,19 +5,22 @@
     {
       "List的排序和查询": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "设定Collection或Map为不可修改": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "Collection或Map的同步控制": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/8.\345\256\271\345\231\250\346\267\261\345\205\245\347\240\224\347\251\266/11.\346\214\201\346\234\211\345\274\225\347\224\250/config.json" "b/data/2.Java\344\270\255\351\230\266/8.\345\256\271\345\231\250\346\267\261\345\205\245\347\240\224\347\251\266/11.\346\214\201\346\234\211\345\274\225\347\224\250/config.json"
index e2fa143..b1d93af 100644
--- "a/data/2.Java\344\270\255\351\230\266/8.\345\256\271\345\231\250\346\267\261\345\205\245\347\240\224\347\251\266/11.\346\214\201\346\234\211\345\274\225\347\224\250/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/8.\345\256\271\345\231\250\346\267\261\345\205\245\347\240\224\347\251\266/11.\346\214\201\346\234\211\345\274\225\347\224\250/config.json"
@@ -5,7 +5,8 @@
     {
       "WeakHashMap": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/8.\345\256\271\345\231\250\346\267\261\345\205\245\347\240\224\347\251\266/2.\345\241\253\345\205\205\345\256\271\345\231\250/config.json" "b/data/2.Java\344\270\255\351\230\266/8.\345\256\271\345\231\250\346\267\261\345\205\245\347\240\224\347\251\266/2.\345\241\253\345\205\205\345\256\271\345\231\250/config.json"
index a42f5a8..a87a3f3 100644
--- "a/data/2.Java\344\270\255\351\230\266/8.\345\256\271\345\231\250\346\267\261\345\205\245\347\240\224\347\251\266/2.\345\241\253\345\205\205\345\256\271\345\231\250/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/8.\345\256\271\345\231\250\346\267\261\345\205\245\347\240\224\347\251\266/2.\345\241\253\345\205\205\345\256\271\345\231\250/config.json"
@@ -5,19 +5,22 @@
     {
       "一种Generator解决方案": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "Map生成器": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "使用Abstract类": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/8.\345\256\271\345\231\250\346\267\261\345\205\245\347\240\224\347\251\266/4.\345\217\257\351\200\211\346\223\215\344\275\234/config.json" "b/data/2.Java\344\270\255\351\230\266/8.\345\256\271\345\231\250\346\267\261\345\205\245\347\240\224\347\251\266/4.\345\217\257\351\200\211\346\223\215\344\275\234/config.json"
index ad8ee52..545603b 100644
--- "a/data/2.Java\344\270\255\351\230\266/8.\345\256\271\345\231\250\346\267\261\345\205\245\347\240\224\347\251\266/4.\345\217\257\351\200\211\346\223\215\344\275\234/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/8.\345\256\271\345\231\250\346\267\261\345\205\245\347\240\224\347\251\266/4.\345\217\257\351\200\211\346\223\215\344\275\234/config.json"
@@ -5,7 +5,8 @@
     {
       "未获支持的操作": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/8.\345\256\271\345\231\250\346\267\261\345\205\245\347\240\224\347\251\266/6.\351\230\237\345\210\227/config.json" "b/data/2.Java\344\270\255\351\230\266/8.\345\256\271\345\231\250\346\267\261\345\205\245\347\240\224\347\251\266/6.\351\230\237\345\210\227/config.json"
index 1d41f10..b6d952b 100644
--- "a/data/2.Java\344\270\255\351\230\266/8.\345\256\271\345\231\250\346\267\261\345\205\245\347\240\224\347\251\266/6.\351\230\237\345\210\227/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/8.\345\256\271\345\231\250\346\267\261\345\205\245\347\240\224\347\251\266/6.\351\230\237\345\210\227/config.json"
@@ -5,13 +5,15 @@
     {
       "优先级队列": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "双向队列": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/8.\345\256\271\345\231\250\346\267\261\345\205\245\347\240\224\347\251\266/7.\347\220\206\350\247\243Map/config.json" "b/data/2.Java\344\270\255\351\230\266/8.\345\256\271\345\231\250\346\267\261\345\205\245\347\240\224\347\251\266/7.\347\220\206\350\247\243Map/config.json"
index 681386b..e56d2e8 100644
--- "a/data/2.Java\344\270\255\351\230\266/8.\345\256\271\345\231\250\346\267\261\345\205\245\347\240\224\347\251\266/7.\347\220\206\350\247\243Map/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/8.\345\256\271\345\231\250\346\267\261\345\205\245\347\240\224\347\251\266/7.\347\220\206\350\247\243Map/config.json"
@@ -5,19 +5,22 @@
     {
       "性能": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "SortedMap": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "LinkedHashMap": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/8.\345\256\271\345\231\250\346\267\261\345\205\245\347\240\224\347\251\266/8.\346\225\243\345\210\227\344\270\216\346\225\243\345\210\227\347\240\201/config.json" "b/data/2.Java\344\270\255\351\230\266/8.\345\256\271\345\231\250\346\267\261\345\205\245\347\240\224\347\251\266/8.\346\225\243\345\210\227\344\270\216\346\225\243\345\210\227\347\240\201/config.json"
index 07f8756..447e33f 100644
--- "a/data/2.Java\344\270\255\351\230\266/8.\345\256\271\345\231\250\346\267\261\345\205\245\347\240\224\347\251\266/8.\346\225\243\345\210\227\344\270\216\346\225\243\345\210\227\347\240\201/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/8.\345\256\271\345\231\250\346\267\261\345\205\245\347\240\224\347\251\266/8.\346\225\243\345\210\227\344\270\216\346\225\243\345\210\227\347\240\201/config.json"
@@ -5,19 +5,22 @@
     {
       "理解hashCode（）": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "为速度而散列": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "覆盖hashCode（）": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/8.\345\256\271\345\231\250\346\267\261\345\205\245\347\240\224\347\251\266/9.\351\200\211\346\213\251\346\216\245\345\217\243\347\232\204\344\270\215\345\220\214\345\256\236\347\216\260/config.json" "b/data/2.Java\344\270\255\351\230\266/8.\345\256\271\345\231\250\346\267\261\345\205\245\347\240\224\347\251\266/9.\351\200\211\346\213\251\346\216\245\345\217\243\347\232\204\344\270\215\345\220\214\345\256\236\347\216\260/config.json"
index da4934d..43ca3c8 100644
--- "a/data/2.Java\344\270\255\351\230\266/8.\345\256\271\345\231\250\346\267\261\345\205\245\347\240\224\347\251\266/9.\351\200\211\346\213\251\346\216\245\345\217\243\347\232\204\344\270\215\345\220\214\345\256\236\347\216\260/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/8.\345\256\271\345\231\250\346\267\261\345\205\245\347\240\224\347\251\266/9.\351\200\211\346\213\251\346\216\245\345\217\243\347\232\204\344\270\215\345\220\214\345\256\236\347\216\260/config.json"
@@ -5,31 +5,36 @@
     {
       "性能测试框架": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "对List的选择": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "微基准测试的危险": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "对Set的选择": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "对Map的选择": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/2.Java\344\270\255\351\230\266/8.\345\256\271\345\231\250\346\267\261\345\205\245\347\240\224\347\251\266/config.json" "b/data/2.Java\344\270\255\351\230\266/8.\345\256\271\345\231\250\346\267\261\345\205\245\347\240\224\347\251\266/config.json"
index 3407cf9..8cd45c3 100644
--- "a/data/2.Java\344\270\255\351\230\266/8.\345\256\271\345\231\250\346\267\261\345\205\245\347\240\224\347\251\266/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/8.\345\256\271\345\231\250\346\267\261\345\205\245\347\240\224\347\251\266/config.json"
@@ -1,4 +1,14 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [
+    {
+      "模拟对象与桩": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    }
+  ],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/9.\346\226\260\347\261\273\345\272\223\344\270\255\347\232\204\346\236\204\344\273\266/config.json" "b/data/2.Java\344\270\255\351\230\266/9.\346\226\260\347\261\273\345\272\223\344\270\255\347\232\204\346\236\204\344\273\266/config.json"
index 3407cf9..43ca3c8 100644
--- "a/data/2.Java\344\270\255\351\230\266/9.\346\226\260\347\261\273\345\272\223\344\270\255\347\232\204\346\236\204\344\273\266/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/9.\346\226\260\347\261\273\345\272\223\344\270\255\347\232\204\346\236\204\344\273\266/config.json"
@@ -1,4 +1,42 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [
+    {
+      "性能测试框架": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "对List的选择": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "微基准测试的危险": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "对Set的选择": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "对Map的选择": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    }
+  ],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/3.Java\351\253\230\351\230\266/1.Java 8\343\200\2019\343\200\20110\344\273\245\345\217\21211\347\232\204\345\217\230\345\214\226/1.Java\346\200\216\344\271\210\350\277\230\345\234\250\345\217\230/config.json" "b/data/3.Java\351\253\230\351\230\266/1.Java 8\343\200\2019\343\200\20110\344\273\245\345\217\21211\347\232\204\345\217\230\345\214\226/1.Java\346\200\216\344\271\210\350\277\230\345\234\250\345\217\230/config.json"
index 3fb6f78..c737600 100644
--- "a/data/3.Java\351\253\230\351\230\266/1.Java 8\343\200\2019\343\200\20110\344\273\245\345\217\21211\347\232\204\345\217\230\345\214\226/1.Java\346\200\216\344\271\210\350\277\230\345\234\250\345\217\230/config.json"	
+++ "b/data/3.Java\351\253\230\351\230\266/1.Java 8\343\200\2019\343\200\20110\344\273\245\345\217\21211\347\232\204\345\217\230\345\214\226/1.Java\346\200\216\344\271\210\350\277\230\345\234\250\345\217\230/config.json"	
@@ -5,25 +5,29 @@
     {
       "Java在编程语言生态系统中的位置": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "用行为参数化把代码传递给方法": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "并行与共享的可变数据": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "Java需要演变": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/1.Java 8\343\200\2019\343\200\20110\344\273\245\345\217\21211\347\232\204\345\217\230\345\214\226/2.Java\344\270\255\347\232\204\345\207\275\346\225\260/config.json" "b/data/3.Java\351\253\230\351\230\266/1.Java 8\343\200\2019\343\200\20110\344\273\245\345\217\21211\347\232\204\345\217\230\345\214\226/2.Java\344\270\255\347\232\204\345\207\275\346\225\260/config.json"
index c1cd7fd..93194dd 100644
--- "a/data/3.Java\351\253\230\351\230\266/1.Java 8\343\200\2019\343\200\20110\344\273\245\345\217\21211\347\232\204\345\217\230\345\214\226/2.Java\344\270\255\347\232\204\345\207\275\346\225\260/config.json"	
+++ "b/data/3.Java\351\253\230\351\230\266/1.Java 8\343\200\2019\343\200\20110\344\273\245\345\217\21211\347\232\204\345\217\230\345\214\226/2.Java\344\270\255\347\232\204\345\207\275\346\225\260/config.json"	
@@ -9,19 +9,22 @@
           {
             "从Java程序中调用C函数": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "数值参数与返回值": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "字符串参数": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
@@ -31,16 +34,19 @@
                 {
                   "访问静态域": {
                     "keywords": [],
-                    "children": []
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                   }
                 }
-              ]
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "编码签名": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
@@ -50,49 +56,58 @@
                 {
                   "静态方法": {
                     "keywords": [],
-                    "children": []
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                   }
                 },
                 {
                   "构造器": {
                     "keywords": [],
-                    "children": []
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                   }
                 },
                 {
                   "另一种方法调用": {
                     "keywords": [],
-                    "children": []
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                   }
                 }
-              ]
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "访问数组元素": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "使用调用API": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "传递代码：一个例子": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "从传递方法到Lambda": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/1.Java 8\343\200\2019\343\200\20110\344\273\245\345\217\21211\347\232\204\345\217\230\345\214\226/3.\351\273\230\350\256\244\346\226\271\346\263\225\345\217\212Java\346\250\241\345\235\227/config.json" "b/data/3.Java\351\253\230\351\230\266/1.Java 8\343\200\2019\343\200\20110\344\273\245\345\217\21211\347\232\204\345\217\230\345\214\226/3.\351\273\230\350\256\244\346\226\271\346\263\225\345\217\212Java\346\250\241\345\235\227/config.json"
index a6b07f2..1d4b928 100644
--- "a/data/3.Java\351\253\230\351\230\266/1.Java 8\343\200\2019\343\200\20110\344\273\245\345\217\21211\347\232\204\345\217\230\345\214\226/3.\351\273\230\350\256\244\346\226\271\346\263\225\345\217\212Java\346\250\241\345\235\227/config.json"	
+++ "b/data/3.Java\351\253\230\351\230\266/1.Java 8\343\200\2019\343\200\20110\344\273\245\345\217\21211\347\232\204\345\217\230\345\214\226/3.\351\273\230\350\256\244\346\226\271\346\263\225\345\217\212Java\346\250\241\345\235\227/config.json"	
@@ -9,22 +9,26 @@
           {
             "初始版本的API": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "第二版API": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "概述默认方法": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -34,10 +38,12 @@
           {
             "行为的多继承": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -47,16 +53,19 @@
           {
             "选择提供了最具体实现的默认方法的接口": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "冲突及如何显式地消除歧义": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/10.\346\224\266\351\233\206\345\231\250\346\216\245\345\217\243/config.json" "b/data/3.Java\351\253\230\351\230\266/10.\346\224\266\351\233\206\345\231\250\346\216\245\345\217\243/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/3.Java\351\253\230\351\230\266/10.\346\224\266\351\233\206\345\231\250\346\216\245\345\217\243/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/10.\346\224\266\351\233\206\345\231\250\346\216\245\345\217\243/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/3.Java\351\253\230\351\230\266/11.\347\224\250Optional\345\217\226\344\273\243null/1.\345\246\202\344\275\225\344\270\272\347\274\272\345\244\261\347\232\204\345\200\274\345\273\272\346\250\241/config.json" "b/data/3.Java\351\253\230\351\230\266/11.\347\224\250Optional\345\217\226\344\273\243null/1.\345\246\202\344\275\225\344\270\272\347\274\272\345\244\261\347\232\204\345\200\274\345\273\272\346\250\241/config.json"
index c5ab705..20991bb 100644
--- "a/data/3.Java\351\253\230\351\230\266/11.\347\224\250Optional\345\217\226\344\273\243null/1.\345\246\202\344\275\225\344\270\272\347\274\272\345\244\261\347\232\204\345\200\274\345\273\272\346\250\241/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/11.\347\224\250Optional\345\217\226\344\273\243null/1.\345\246\202\344\275\225\344\270\272\347\274\272\345\244\261\347\232\204\345\200\274\345\273\272\346\250\241/config.json"
@@ -5,13 +5,15 @@
     {
       "采用防御式检查减少NullPointerException": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "其他语言中null的替代品": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/11.\347\224\250Optional\345\217\226\344\273\243null/3.\345\272\224\347\224\250Optional\347\232\204\345\207\240\347\247\215\346\250\241\345\274\217/config.json" "b/data/3.Java\351\253\230\351\230\266/11.\347\224\250Optional\345\217\226\344\273\243null/3.\345\272\224\347\224\250Optional\347\232\204\345\207\240\347\247\215\346\250\241\345\274\217/config.json"
index 7882200..550a1ae 100644
--- "a/data/3.Java\351\253\230\351\230\266/11.\347\224\250Optional\345\217\226\344\273\243null/3.\345\272\224\347\224\250Optional\347\232\204\345\207\240\347\247\215\346\250\241\345\274\217/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/11.\347\224\250Optional\345\217\226\344\273\243null/3.\345\272\224\347\224\250Optional\347\232\204\345\207\240\347\247\215\346\250\241\345\274\217/config.json"
@@ -5,43 +5,50 @@
     {
       "创建Optional对象": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "使用map从Optional对象中提取和转换值": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "使用flatMap链接Optional对象": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "操纵由Optional对象构成的Stream": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "默认行为及解引用Optional对象": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "两个Optional对象的组合": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "使用filter剔除特定的值": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/11.\347\224\250Optional\345\217\226\344\273\243null/config.json" "b/data/3.Java\351\253\230\351\230\266/11.\347\224\250Optional\345\217\226\344\273\243null/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/3.Java\351\253\230\351\230\266/11.\347\224\250Optional\345\217\226\344\273\243null/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/11.\347\224\250Optional\345\217\226\344\273\243null/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/3.Java\351\253\230\351\230\266/12.Java\346\250\241\345\235\227\347\263\273\347\273\237/config.json" "b/data/3.Java\351\253\230\351\230\266/12.Java\346\250\241\345\235\227\347\263\273\347\273\237/config.json"
index 3407cf9..550a1ae 100644
--- "a/data/3.Java\351\253\230\351\230\266/12.Java\346\250\241\345\235\227\347\263\273\347\273\237/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/12.Java\346\250\241\345\235\227\347\263\273\347\273\237/config.json"
@@ -1,4 +1,56 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [
+    {
+      "创建Optional对象": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "使用map从Optional对象中提取和转换值": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "使用flatMap链接Optional对象": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "操纵由Optional对象构成的Stream": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "默认行为及解引用Optional对象": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "两个Optional对象的组合": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "使用filter剔除特定的值": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    }
+  ],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/3.Java\351\253\230\351\230\266/13.servlet/10.\345\244\204\347\220\206HTTP\350\257\267\346\261\202\345\222\214\345\223\215\345\272\224/config.json" "b/data/3.Java\351\253\230\351\230\266/13.servlet/10.\345\244\204\347\220\206HTTP\350\257\267\346\261\202\345\222\214\345\223\215\345\272\224/config.json"
index aa4b7cf..89eb5a9 100644
--- "a/data/3.Java\351\253\230\351\230\266/13.servlet/10.\345\244\204\347\220\206HTTP\350\257\267\346\261\202\345\222\214\345\223\215\345\272\224/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/13.servlet/10.\345\244\204\347\220\206HTTP\350\257\267\346\261\202\345\222\214\345\223\215\345\272\224/config.json"
@@ -5,13 +5,15 @@
     {
       "处理HTTP GET请求": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "处理HTTP POST请求": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/13.servlet/5.\344\270\200\344\270\252\347\256\200\345\215\225\347\232\204servlet/config.json" "b/data/3.Java\351\253\230\351\230\266/13.servlet/5.\344\270\200\344\270\252\347\256\200\345\215\225\347\232\204servlet/config.json"
index da2fd4f..9462647 100644
--- "a/data/3.Java\351\253\230\351\230\266/13.servlet/5.\344\270\200\344\270\252\347\256\200\345\215\225\347\232\204servlet/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/13.servlet/5.\344\270\200\344\270\252\347\256\200\345\215\225\347\232\204servlet/config.json"
@@ -5,19 +5,22 @@
     {
       "创建和编译servlet源代码": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "启动Tomcat": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "启动Web浏览器并请求servlet": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/13.servlet/7.javax.servlet\345\214\205/config.json" "b/data/3.Java\351\253\230\351\230\266/13.servlet/7.javax.servlet\345\214\205/config.json"
index e1df215..51cda42 100644
--- "a/data/3.Java\351\253\230\351\230\266/13.servlet/7.javax.servlet\345\214\205/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/13.servlet/7.javax.servlet\345\214\205/config.json"
@@ -5,55 +5,64 @@
     {
       "Servlet接口": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "ServletConfig接口": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "ServletContext接口": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "ServletRequest接口": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "ServletResponse接口": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "GenericServlet类": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "ServletInputStream类": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "ServletOutputStream类": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "servlet异常类": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/13.servlet/9.javax.servlet.http\345\214\205/config.json" "b/data/3.Java\351\253\230\351\230\266/13.servlet/9.javax.servlet.http\345\214\205/config.json"
index fd38fe6..8376de9 100644
--- "a/data/3.Java\351\253\230\351\230\266/13.servlet/9.javax.servlet.http\345\214\205/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/13.servlet/9.javax.servlet.http\345\214\205/config.json"
@@ -5,31 +5,36 @@
     {
       "HttpServletRequest接口": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "HttpServletResponse接口": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "HttpSession接口": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "Cookie类": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "HttpServlet类": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/13.servlet/config.json" "b/data/3.Java\351\253\230\351\230\266/13.servlet/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/3.Java\351\253\230\351\230\266/13.servlet/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/13.servlet/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/3.Java\351\253\230\351\230\266/14.Java\345\274\202\346\255\245\344\273\273\345\212\241/1.\344\270\272\346\224\257\346\214\201\345\271\266\345\217\221\350\200\214\344\270\215\346\226\255\346\274\224\350\277\233\347\232\204Java/config.json" "b/data/3.Java\351\253\230\351\230\266/14.Java\345\274\202\346\255\245\344\273\273\345\212\241/1.\344\270\272\346\224\257\346\214\201\345\271\266\345\217\221\350\200\214\344\270\215\346\226\255\346\274\224\350\277\233\347\232\204Java/config.json"
index a06ae17..2700394 100644
--- "a/data/3.Java\351\253\230\351\230\266/14.Java\345\274\202\346\255\245\344\273\273\345\212\241/1.\344\270\272\346\224\257\346\214\201\345\271\266\345\217\221\350\200\214\344\270\215\346\226\255\346\274\224\350\277\233\347\232\204Java/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/14.Java\345\274\202\346\255\245\344\273\273\345\212\241/1.\344\270\272\346\224\257\346\214\201\345\271\266\345\217\221\350\200\214\344\270\215\346\226\255\346\274\224\350\277\233\347\232\204Java/config.json"
@@ -5,13 +5,15 @@
     {
       "其他的线程抽象：非嵌套方法调用": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "你希望线程为你带来什么": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/14.Java\345\274\202\346\255\245\344\273\273\345\212\241/2.\345\220\214\346\255\245\345\217\212\345\274\202\346\255\245API/config.json" "b/data/3.Java\351\253\230\351\230\266/14.Java\345\274\202\346\255\245\344\273\273\345\212\241/2.\345\220\214\346\255\245\345\217\212\345\274\202\346\255\245API/config.json"
index 1d893d2..d4cc211 100644
--- "a/data/3.Java\351\253\230\351\230\266/14.Java\345\274\202\346\255\245\344\273\273\345\212\241/2.\345\220\214\346\255\245\345\217\212\345\274\202\346\255\245API/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/14.Java\345\274\202\346\255\245\344\273\273\345\212\241/2.\345\220\214\346\255\245\345\217\212\345\274\202\346\255\245API/config.json"
@@ -5,25 +5,29 @@
     {
       "Future风格的API": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "反应式风格的API": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "有害的睡眠及其他阻塞式操作": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "如何使用异步API进行异常处理": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/14.Java\345\274\202\346\255\245\344\273\273\345\212\241/5.\342\200\234\345\217\221\345\270\203\342\200\223\350\256\242\351\230\205\342\200\235\344\273\245\345\217\212\345\217\215\345\272\224\345\274\217\347\274\226\347\250\213/config.json" "b/data/3.Java\351\253\230\351\230\266/14.Java\345\274\202\346\255\245\344\273\273\345\212\241/5.\342\200\234\345\217\221\345\270\203\342\200\223\350\256\242\351\230\205\342\200\235\344\273\245\345\217\212\345\217\215\345\272\224\345\274\217\347\274\226\347\250\213/config.json"
index 90ed8c8..daee2e9 100644
--- "a/data/3.Java\351\253\230\351\230\266/14.Java\345\274\202\346\255\245\344\273\273\345\212\241/5.\342\200\234\345\217\221\345\270\203\342\200\223\350\256\242\351\230\205\342\200\235\344\273\245\345\217\212\345\217\215\345\272\224\345\274\217\347\274\226\347\250\213/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/14.Java\345\274\202\346\255\245\344\273\273\345\212\241/5.\342\200\234\345\217\221\345\270\203\342\200\223\350\256\242\351\230\205\342\200\235\344\273\245\345\217\212\345\217\215\345\272\224\345\274\217\347\274\226\347\250\213/config.json"
@@ -5,13 +5,15 @@
     {
       "背压": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "一种简单的真实背压": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/14.Java\345\274\202\346\255\245\344\273\273\345\212\241/config.json" "b/data/3.Java\351\253\230\351\230\266/14.Java\345\274\202\346\255\245\344\273\273\345\212\241/config.json"
index 3407cf9..8376de9 100644
--- "a/data/3.Java\351\253\230\351\230\266/14.Java\345\274\202\346\255\245\344\273\273\345\212\241/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/14.Java\345\274\202\346\255\245\344\273\273\345\212\241/config.json"
@@ -1,4 +1,42 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [
+    {
+      "HttpServletRequest接口": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "HttpServletResponse接口": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "HttpSession接口": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "Cookie类": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "HttpServlet类": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    }
+  ],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/3.Java\351\253\230\351\230\266/15.CompletableFuture\357\274\232\347\273\204\345\220\210\345\274\217\345\274\202\346\255\245\347\274\226\347\250\213/1.\345\256\236\347\216\260\345\274\202\346\255\245API/config.json" "b/data/3.Java\351\253\230\351\230\266/15.CompletableFuture\357\274\232\347\273\204\345\220\210\345\274\217\345\274\202\346\255\245\347\274\226\347\250\213/1.\345\256\236\347\216\260\345\274\202\346\255\245API/config.json"
index f113093..fa3aa88 100644
--- "a/data/3.Java\351\253\230\351\230\266/15.CompletableFuture\357\274\232\347\273\204\345\220\210\345\274\217\345\274\202\346\255\245\347\274\226\347\250\213/1.\345\256\236\347\216\260\345\274\202\346\255\245API/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/15.CompletableFuture\357\274\232\347\273\204\345\220\210\345\274\217\345\274\202\346\255\245\347\274\226\347\250\213/1.\345\256\236\347\216\260\345\274\202\346\255\245API/config.json"
@@ -5,13 +5,15 @@
     {
       "将同步方法转换为异步方法": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "错误处理": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/15.CompletableFuture\357\274\232\347\273\204\345\220\210\345\274\217\345\274\202\346\255\245\347\274\226\347\250\213/2.\350\256\251\344\275\240\347\232\204\344\273\243\347\240\201\345\205\215\345\217\227\351\230\273\345\241\236\344\271\213\350\213\246/config.json" "b/data/3.Java\351\253\230\351\230\266/15.CompletableFuture\357\274\232\347\273\204\345\220\210\345\274\217\345\274\202\346\255\245\347\274\226\347\250\213/2.\350\256\251\344\275\240\347\232\204\344\273\243\347\240\201\345\205\215\345\217\227\351\230\273\345\241\236\344\271\213\350\213\246/config.json"
index 6077dab..f0023be 100644
--- "a/data/3.Java\351\253\230\351\230\266/15.CompletableFuture\357\274\232\347\273\204\345\220\210\345\274\217\345\274\202\346\255\245\347\274\226\347\250\213/2.\350\256\251\344\275\240\347\232\204\344\273\243\347\240\201\345\205\215\345\217\227\351\230\273\345\241\236\344\271\213\350\213\246/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/15.CompletableFuture\357\274\232\347\273\204\345\220\210\345\274\217\345\274\202\346\255\245\347\274\226\347\250\213/2.\350\256\251\344\275\240\347\232\204\344\273\243\347\240\201\345\205\215\345\217\227\351\230\273\345\241\236\344\271\213\350\213\246/config.json"
@@ -5,25 +5,29 @@
     {
       "使用并行流对请求进行并行操作": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "使用CompletableFuture发起异步请求": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "寻找更好的方案": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "使用定制的执行器": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/15.CompletableFuture\357\274\232\347\273\204\345\220\210\345\274\217\345\274\202\346\255\245\347\274\226\347\250\213/3.\345\257\271\345\244\232\344\270\252\345\274\202\346\255\245\344\273\273\345\212\241\350\277\233\350\241\214\346\265\201\346\260\264\347\272\277\346\223\215\344\275\234/config.json" "b/data/3.Java\351\253\230\351\230\266/15.CompletableFuture\357\274\232\347\273\204\345\220\210\345\274\217\345\274\202\346\255\245\347\274\226\347\250\213/3.\345\257\271\345\244\232\344\270\252\345\274\202\346\255\245\344\273\273\345\212\241\350\277\233\350\241\214\346\265\201\346\260\264\347\272\277\346\223\215\344\275\234/config.json"
index eda6c17..a38a157 100644
--- "a/data/3.Java\351\253\230\351\230\266/15.CompletableFuture\357\274\232\347\273\204\345\220\210\345\274\217\345\274\202\346\255\245\347\274\226\347\250\213/3.\345\257\271\345\244\232\344\270\252\345\274\202\346\255\245\344\273\273\345\212\241\350\277\233\350\241\214\346\265\201\346\260\264\347\272\277\346\223\215\344\275\234/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/15.CompletableFuture\357\274\232\347\273\204\345\220\210\345\274\217\345\274\202\346\255\245\347\274\226\347\250\213/3.\345\257\271\345\244\232\344\270\252\345\274\202\346\255\245\344\273\273\345\212\241\350\277\233\350\241\214\346\265\201\346\260\264\347\272\277\346\223\215\344\275\234/config.json"
@@ -5,37 +5,43 @@
     {
       "实现折扣服务": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "使用Discount服务": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "构造同步和异步操作": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "将两个CompletableFuture对象整合起来，无论它们是否存在依赖": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "对Future和Completable-Future的回顾": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "高效地使用超时机制": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/15.CompletableFuture\357\274\232\347\273\204\345\220\210\345\274\217\345\274\202\346\255\245\347\274\226\347\250\213/4.\345\223\215\345\272\224CompletableFuture\347\232\204completion\344\272\213\344\273\266/config.json" "b/data/3.Java\351\253\230\351\230\266/15.CompletableFuture\357\274\232\347\273\204\345\220\210\345\274\217\345\274\202\346\255\245\347\274\226\347\250\213/4.\345\223\215\345\272\224CompletableFuture\347\232\204completion\344\272\213\344\273\266/config.json"
index 89430ce..c5615d9 100644
--- "a/data/3.Java\351\253\230\351\230\266/15.CompletableFuture\357\274\232\347\273\204\345\220\210\345\274\217\345\274\202\346\255\245\347\274\226\347\250\213/4.\345\223\215\345\272\224CompletableFuture\347\232\204completion\344\272\213\344\273\266/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/15.CompletableFuture\357\274\232\347\273\204\345\220\210\345\274\217\345\274\202\346\255\245\347\274\226\347\250\213/4.\345\223\215\345\272\224CompletableFuture\347\232\204completion\344\272\213\344\273\266/config.json"
@@ -5,7 +5,8 @@
     {
       "对最佳价格查询器应用的优化": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/15.CompletableFuture\357\274\232\347\273\204\345\220\210\345\274\217\345\274\202\346\255\245\347\274\226\347\250\213/config.json" "b/data/3.Java\351\253\230\351\230\266/15.CompletableFuture\357\274\232\347\273\204\345\220\210\345\274\217\345\274\202\346\255\245\347\274\226\347\250\213/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/3.Java\351\253\230\351\230\266/15.CompletableFuture\357\274\232\347\273\204\345\220\210\345\274\217\345\274\202\346\255\245\347\274\226\347\250\213/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/15.CompletableFuture\357\274\232\347\273\204\345\220\210\345\274\217\345\274\202\346\255\245\347\274\226\347\250\213/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/3.Java\351\253\230\351\230\266/16.\345\217\215\345\272\224\345\274\217\347\274\226\347\250\213/1.\345\217\215\345\272\224\345\274\217\345\256\243\350\250\200/config.json" "b/data/3.Java\351\253\230\351\230\266/16.\345\217\215\345\272\224\345\274\217\347\274\226\347\250\213/1.\345\217\215\345\272\224\345\274\217\345\256\243\350\250\200/config.json"
index b51abfc..d1ea54e 100644
--- "a/data/3.Java\351\253\230\351\230\266/16.\345\217\215\345\272\224\345\274\217\347\274\226\347\250\213/1.\345\217\215\345\272\224\345\274\217\345\256\243\350\250\200/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/16.\345\217\215\345\272\224\345\274\217\347\274\226\347\250\213/1.\345\217\215\345\272\224\345\274\217\345\256\243\350\250\200/config.json"
@@ -5,13 +5,15 @@
     {
       "应用层的反应式编程": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "反应式系统": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/16.\345\217\215\345\272\224\345\274\217\347\274\226\347\250\213/2.\345\217\215\345\272\224\345\274\217\346\265\201\344\273\245\345\217\212Flow API/config.json" "b/data/3.Java\351\253\230\351\230\266/16.\345\217\215\345\272\224\345\274\217\347\274\226\347\250\213/2.\345\217\215\345\272\224\345\274\217\346\265\201\344\273\245\345\217\212Flow API/config.json"
index 4e74b3d..ccd2639 100644
--- "a/data/3.Java\351\253\230\351\230\266/16.\345\217\215\345\272\224\345\274\217\347\274\226\347\250\213/2.\345\217\215\345\272\224\345\274\217\346\265\201\344\273\245\345\217\212Flow API/config.json"	
+++ "b/data/3.Java\351\253\230\351\230\266/16.\345\217\215\345\272\224\345\274\217\347\274\226\347\250\213/2.\345\217\215\345\272\224\345\274\217\346\265\201\344\273\245\345\217\212Flow API/config.json"	
@@ -5,19 +5,22 @@
     {
       "Flow类": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "创建你的第一个反应式应用": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "使用Processor转换数据": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/16.\345\217\215\345\272\224\345\274\217\347\274\226\347\250\213/3.\344\275\277\347\224\250\345\217\215\345\272\224\345\274\217\345\272\223RxJava/config.json" "b/data/3.Java\351\253\230\351\230\266/16.\345\217\215\345\272\224\345\274\217\347\274\226\347\250\213/3.\344\275\277\347\224\250\345\217\215\345\272\224\345\274\217\345\272\223RxJava/config.json"
index 5ba63ee..778f16d 100644
--- "a/data/3.Java\351\253\230\351\230\266/16.\345\217\215\345\272\224\345\274\217\347\274\226\347\250\213/3.\344\275\277\347\224\250\345\217\215\345\272\224\345\274\217\345\272\223RxJava/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/16.\345\217\215\345\272\224\345\274\217\347\274\226\347\250\213/3.\344\275\277\347\224\250\345\217\215\345\272\224\345\274\217\345\272\223RxJava/config.json"
@@ -5,7 +5,8 @@
     {
       "转换及整合多个Observable": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/16.\345\217\215\345\272\224\345\274\217\347\274\226\347\250\213/4.Java\345\217\215\345\260\204\346\212\200\346\234\257/config.json" "b/data/3.Java\351\253\230\351\230\266/16.\345\217\215\345\272\224\345\274\217\347\274\226\347\250\213/4.Java\345\217\215\345\260\204\346\212\200\346\234\257/config.json"
index de34249..426a643 100644
--- "a/data/3.Java\351\253\230\351\230\266/16.\345\217\215\345\272\224\345\274\217\347\274\226\347\250\213/4.Java\345\217\215\345\260\204\346\212\200\346\234\257/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/16.\345\217\215\345\272\224\345\274\217\347\274\226\347\250\213/4.Java\345\217\215\345\260\204\346\212\200\346\234\257/config.json"
@@ -5,13 +5,15 @@
     {
       "通过反射构建对象": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "反射方法": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/16.\345\217\215\345\272\224\345\274\217\347\274\226\347\250\213/config.json" "b/data/3.Java\351\253\230\351\230\266/16.\345\217\215\345\272\224\345\274\217\347\274\226\347\250\213/config.json"
index 3407cf9..c5615d9 100644
--- "a/data/3.Java\351\253\230\351\230\266/16.\345\217\215\345\272\224\345\274\217\347\274\226\347\250\213/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/16.\345\217\215\345\272\224\345\274\217\347\274\226\347\250\213/config.json"
@@ -1,4 +1,14 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [
+    {
+      "对最佳价格查询器应用的优化": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    }
+  ],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/3.Java\351\253\230\351\230\266/17.Spring/1.Spring IoC/config.json" "b/data/3.Java\351\253\230\351\230\266/17.Spring/1.Spring IoC/config.json"
index 1d92f8d..7db0c42 100644
--- "a/data/3.Java\351\253\230\351\230\266/17.Spring/1.Spring IoC/config.json"	
+++ "b/data/3.Java\351\253\230\351\230\266/17.Spring/1.Spring IoC/config.json"	
@@ -9,22 +9,26 @@
           {
             "主动创建对象": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "被动创建对象": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "Spring IoC阐述": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -34,22 +38,26 @@
           {
             "Spring IoC容器的设计": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "Spring IoC容器的初始化和依赖注入": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "Spring Bean的生命周期": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/17.Spring/2.\350\243\205\351\205\215Spring Bean/config.json" "b/data/3.Java\351\253\230\351\230\266/17.Spring/2.\350\243\205\351\205\215Spring Bean/config.json"
index 4b88398..98687fd 100644
--- "a/data/3.Java\351\253\230\351\230\266/17.Spring/2.\350\243\205\351\205\215Spring Bean/config.json"	
+++ "b/data/3.Java\351\253\230\351\230\266/17.Spring/2.\350\243\205\351\205\215Spring Bean/config.json"	
@@ -9,28 +9,33 @@
           {
             "构造器注入": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "使用setter注入": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "接口注入": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "装配Bean概述": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -40,22 +45,26 @@
           {
             "装配简易值": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "装配集合": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "命名空间装配": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -65,46 +74,54 @@
           {
             "使用@Component装配Bean": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "自动装配——@Autowired": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "自动装配的歧义性（@Primary和@Qualifier）": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "装载带有参数的构造方法类": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "使用@Bean装配Bean": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "注解自定义Bean的初始化和销毁方法": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "装配的混合使用": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -114,34 +131,40 @@
           {
             "使用注解@Profile配置": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "使用XML定义Profile": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "启动Profile": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "点睛": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "演示": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -151,28 +174,33 @@
           {
             "使用注解方式加载属性文件": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "使用XML方式加载属性文件": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "条件化装配Bean": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "Bean的作用域": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -182,16 +210,19 @@
           {
             "Spring EL相关的类": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "Spring EL运算": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/17.Spring/3.\351\235\242\345\220\221\345\210\207\351\235\242\347\274\226\347\250\213/config.json" "b/data/3.Java\351\253\230\351\230\266/17.Spring/3.\351\235\242\345\220\221\345\210\207\351\235\242\347\274\226\347\250\213/config.json"
index 6c1289c..eb0ce90 100644
--- "a/data/3.Java\351\253\230\351\230\266/17.Spring/3.\351\235\242\345\220\221\345\210\207\351\235\242\347\274\226\347\250\213/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/17.Spring/3.\351\235\242\345\220\221\345\210\207\351\235\242\347\274\226\347\250\213/config.json"
@@ -9,22 +9,26 @@
           {
             "约定规则": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "读者的代码": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "笔者的代码": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -34,22 +38,26 @@
           {
             "AOP的概念和使用原因": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "面向切面编程的术语": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "Spring对AOP的支持": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -59,19 +67,22 @@
           {
             "选择切点": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "创建切面": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "连接点": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
@@ -81,49 +92,58 @@
                 {
                   "装配AOP": {
                     "keywords": [],
-                    "children": []
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                   }
                 },
                 {
                   "使用注解装配AOP": {
                     "keywords": [],
-                    "children": []
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                   }
                 },
                 {
                   "AOP避坑指南": {
                     "keywords": [],
-                    "children": []
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                   }
                 }
-              ]
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "环绕通知": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "织入": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "给通知传递参数": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "引入": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -133,40 +153,47 @@
           {
             "前置通知、后置通知、返回通知和异常通知": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "环绕通知": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "给通知传递参数": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "引入": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "经典Spring AOP应用程序": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "多个切面": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/17.Spring/4.Spring\346\225\260\346\215\256\345\272\223\347\274\226\347\250\213/config.json" "b/data/3.Java\351\253\230\351\230\266/17.Spring/4.Spring\346\225\260\346\215\256\345\272\223\347\274\226\347\250\213/config.json"
index 77a65dd..828c8d8 100644
--- "a/data/3.Java\351\253\230\351\230\266/17.Spring/4.Spring\346\225\260\346\215\256\345\272\223\347\274\226\347\250\213/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/17.Spring/4.Spring\346\225\260\346\215\256\345\272\223\347\274\226\347\250\213/config.json"
@@ -5,7 +5,8 @@
     {
       "传统的JDBC代码的弊端": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -15,22 +16,26 @@
           {
             "使用简单数据库配置": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "使用第三方数据库连接池": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "使用JNDI数据库连接池": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -40,28 +45,33 @@
           {
             "jdbcTemplate的增、删、查、改": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "执行多条SQL": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "jdbcTemplate的源码分析": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "Spring的缺点": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/17.Spring/5.\346\267\261\345\205\245Spring\346\225\260\346\215\256\345\272\223\344\272\213\345\212\241\347\256\241\347\220\206/config.json" "b/data/3.Java\351\253\230\351\230\266/17.Spring/5.\346\267\261\345\205\245Spring\346\225\260\346\215\256\345\272\223\344\272\213\345\212\241\347\256\241\347\220\206/config.json"
index aab4563..827d937 100644
--- "a/data/3.Java\351\253\230\351\230\266/17.Spring/5.\346\267\261\345\205\245Spring\346\225\260\346\215\256\345\272\223\344\272\213\345\212\241\347\256\241\347\220\206/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/17.Spring/5.\346\267\261\345\205\245Spring\346\225\260\346\215\256\345\272\223\344\272\213\345\212\241\347\256\241\347\220\206/config.json"
@@ -9,22 +9,26 @@
           {
             "配置事务管理器": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "用Java配置方式实现Spring数据库事务": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "编程式事务": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -34,28 +38,33 @@
           {
             "Transactional的配置项": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "使用XML进行配置事务管理器": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "事务定义器": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "声明式事务的约定流程": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -65,22 +74,26 @@
           {
             "数据库事务ACID特性": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "丢失更新": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "隔离级别": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -90,22 +103,26 @@
           {
             "选择隔离级别": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "传播行为": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "在Spring+MyBatis组合中使用事务": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -115,22 +132,26 @@
           {
             "错误使用Service": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "过长时间占用事务": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "错误捕捉异常": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/17.Spring/6.Spring\351\205\215\347\275\256/config.json" "b/data/3.Java\351\253\230\351\230\266/17.Spring/6.Spring\351\205\215\347\275\256/config.json"
index 008fb32..5a05383 100644
--- "a/data/3.Java\351\253\230\351\230\266/17.Spring/6.Spring\351\205\215\347\275\256/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/17.Spring/6.Spring\351\205\215\347\275\256/config.json"
@@ -5,7 +5,8 @@
     {
       "Java配置": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/17.Spring/config.json" "b/data/3.Java\351\253\230\351\230\266/17.Spring/config.json"
index 3407cf9..426a643 100644
--- "a/data/3.Java\351\253\230\351\230\266/17.Spring/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/17.Spring/config.json"
@@ -1,4 +1,21 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [
+    {
+      "通过反射构建对象": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "反射方法": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    }
+  ],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/3.Java\351\253\230\351\230\266/18.Spring MVC/10.\344\277\235\345\255\230\345\271\266\350\216\267\345\217\226\345\261\236\346\200\247\345\217\202\346\225\260/config.json" "b/data/3.Java\351\253\230\351\230\266/18.Spring MVC/10.\344\277\235\345\255\230\345\271\266\350\216\267\345\217\226\345\261\236\346\200\247\345\217\202\346\225\260/config.json"
index 238c7b3..e9969df 100644
--- "a/data/3.Java\351\253\230\351\230\266/18.Spring MVC/10.\344\277\235\345\255\230\345\271\266\350\216\267\345\217\226\345\261\236\346\200\247\345\217\202\346\225\260/config.json"	
+++ "b/data/3.Java\351\253\230\351\230\266/18.Spring MVC/10.\344\277\235\345\255\230\345\271\266\350\216\267\345\217\226\345\261\236\346\200\247\345\217\202\346\225\260/config.json"	
@@ -5,19 +5,22 @@
     {
       "注解@RequestAttribute": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "注解@SessionAttribute和注解@SessionAttributes": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "注解@CookieValue和注解@RequestHeader": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/18.Spring MVC/11.\351\252\214\350\257\201\350\241\250\345\215\225/config.json" "b/data/3.Java\351\253\230\351\230\266/18.Spring MVC/11.\351\252\214\350\257\201\350\241\250\345\215\225/config.json"
index 7460462..d96bf60 100644
--- "a/data/3.Java\351\253\230\351\230\266/18.Spring MVC/11.\351\252\214\350\257\201\350\241\250\345\215\225/config.json"	
+++ "b/data/3.Java\351\253\230\351\230\266/18.Spring MVC/11.\351\252\214\350\257\201\350\241\250\345\215\225/config.json"	
@@ -5,13 +5,15 @@
     {
       "使用JSR 303注解验证输入内容": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "使用验证器": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/18.Spring MVC/13.\350\247\206\345\233\276\345\222\214\350\247\206\345\233\276\350\247\243\346\236\220\345\231\250/config.json" "b/data/3.Java\351\253\230\351\230\266/18.Spring MVC/13.\350\247\206\345\233\276\345\222\214\350\247\206\345\233\276\350\247\243\346\236\220\345\231\250/config.json"
index 2bdcf12..d4f524f 100644
--- "a/data/3.Java\351\253\230\351\230\266/18.Spring MVC/13.\350\247\206\345\233\276\345\222\214\350\247\206\345\233\276\350\247\243\346\236\220\345\231\250/config.json"	
+++ "b/data/3.Java\351\253\230\351\230\266/18.Spring MVC/13.\350\247\206\345\233\276\345\222\214\350\247\206\345\233\276\350\247\243\346\236\220\345\231\250/config.json"	
@@ -5,13 +5,15 @@
     {
       "视图": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "视图解析器": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/18.Spring MVC/15.Spring MVC\347\232\204\346\225\260\346\215\256\350\275\254\346\215\242\345\222\214\346\240\274\345\274\217\345\214\226/config.json" "b/data/3.Java\351\253\230\351\230\266/18.Spring MVC/15.Spring MVC\347\232\204\346\225\260\346\215\256\350\275\254\346\215\242\345\222\214\346\240\274\345\274\217\345\214\226/config.json"
index 4eb1ddf..dd0448f 100644
--- "a/data/3.Java\351\253\230\351\230\266/18.Spring MVC/15.Spring MVC\347\232\204\346\225\260\346\215\256\350\275\254\346\215\242\345\222\214\346\240\274\345\274\217\345\214\226/config.json"	
+++ "b/data/3.Java\351\253\230\351\230\266/18.Spring MVC/15.Spring MVC\347\232\204\346\225\260\346\215\256\350\275\254\346\215\242\345\222\214\346\240\274\345\274\217\345\214\226/config.json"	
@@ -5,25 +5,29 @@
     {
       "HttpMessageConverter和JSON消息转换器": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "一对一转换器（Converter）": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "数组和集合转换器GenericConverter": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "使用格式化器（Formatter）": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/18.Spring MVC/18.\345\233\275\351\231\205\345\214\226/config.json" "b/data/3.Java\351\253\230\351\230\266/18.Spring MVC/18.\345\233\275\351\231\205\345\214\226/config.json"
index 8a6c9e4..b7c6bc1 100644
--- "a/data/3.Java\351\253\230\351\230\266/18.Spring MVC/18.\345\233\275\351\231\205\345\214\226/config.json"	
+++ "b/data/3.Java\351\253\230\351\230\266/18.Spring MVC/18.\345\233\275\351\231\205\345\214\226/config.json"	
@@ -5,25 +5,29 @@
     {
       "MessageSource接口": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "CookieLocaleResolver和SessionLocaleResolver": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "国际化拦截器（LocaleChangeInterceptor）": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "开发国际化": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/18.Spring MVC/19.Spring Aware/config.json" "b/data/3.Java\351\253\230\351\230\266/18.Spring MVC/19.Spring Aware/config.json"
index 1c33131..655c637 100644
--- "a/data/3.Java\351\253\230\351\230\266/18.Spring MVC/19.Spring Aware/config.json"	
+++ "b/data/3.Java\351\253\230\351\230\266/18.Spring MVC/19.Spring Aware/config.json"	
@@ -5,7 +5,8 @@
     {
       "示例": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/18.Spring MVC/20.\345\244\232\347\272\277\347\250\213/config.json" "b/data/3.Java\351\253\230\351\230\266/18.Spring MVC/20.\345\244\232\347\272\277\347\250\213/config.json"
index 1c33131..655c637 100644
--- "a/data/3.Java\351\253\230\351\230\266/18.Spring MVC/20.\345\244\232\347\272\277\347\250\213/config.json"	
+++ "b/data/3.Java\351\253\230\351\230\266/18.Spring MVC/20.\345\244\232\347\272\277\347\250\213/config.json"	
@@ -5,7 +5,8 @@
     {
       "示例": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/18.Spring MVC/21.\350\256\241\345\210\222\344\273\273\345\212\241/config.json" "b/data/3.Java\351\253\230\351\230\266/18.Spring MVC/21.\350\256\241\345\210\222\344\273\273\345\212\241/config.json"
index 1c33131..655c637 100644
--- "a/data/3.Java\351\253\230\351\230\266/18.Spring MVC/21.\350\256\241\345\210\222\344\273\273\345\212\241/config.json"	
+++ "b/data/3.Java\351\253\230\351\230\266/18.Spring MVC/21.\350\256\241\345\210\222\344\273\273\345\212\241/config.json"	
@@ -5,7 +5,8 @@
     {
       "示例": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/18.Spring MVC/22.\346\235\241\344\273\266\346\263\250\350\247\243@Conditional/config.json" "b/data/3.Java\351\253\230\351\230\266/18.Spring MVC/22.\346\235\241\344\273\266\346\263\250\350\247\243@Conditional/config.json"
index 1c33131..655c637 100644
--- "a/data/3.Java\351\253\230\351\230\266/18.Spring MVC/22.\346\235\241\344\273\266\346\263\250\350\247\243@Conditional/config.json"	
+++ "b/data/3.Java\351\253\230\351\230\266/18.Spring MVC/22.\346\235\241\344\273\266\346\263\250\350\247\243@Conditional/config.json"	
@@ -5,7 +5,8 @@
     {
       "示例": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/18.Spring MVC/23.\347\273\204\345\220\210\346\263\250\350\247\243\344\270\216\345\205\203\346\263\250\350\247\243/config.json" "b/data/3.Java\351\253\230\351\230\266/18.Spring MVC/23.\347\273\204\345\220\210\346\263\250\350\247\243\344\270\216\345\205\203\346\263\250\350\247\243/config.json"
index 1c33131..655c637 100644
--- "a/data/3.Java\351\253\230\351\230\266/18.Spring MVC/23.\347\273\204\345\220\210\346\263\250\350\247\243\344\270\216\345\205\203\346\263\250\350\247\243/config.json"	
+++ "b/data/3.Java\351\253\230\351\230\266/18.Spring MVC/23.\347\273\204\345\220\210\346\263\250\350\247\243\344\270\216\345\205\203\346\263\250\350\247\243/config.json"	
@@ -5,7 +5,8 @@
     {
       "示例": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/18.Spring MVC/24.@Enable*\346\263\250\350\247\243\347\232\204\345\267\245\344\275\234\345\216\237\347\220\206/config.json" "b/data/3.Java\351\253\230\351\230\266/18.Spring MVC/24.@Enable*\346\263\250\350\247\243\347\232\204\345\267\245\344\275\234\345\216\237\347\220\206/config.json"
index 7b94f7b..788a799 100644
--- "a/data/3.Java\351\253\230\351\230\266/18.Spring MVC/24.@Enable*\346\263\250\350\247\243\347\232\204\345\267\245\344\275\234\345\216\237\347\220\206/config.json"	
+++ "b/data/3.Java\351\253\230\351\230\266/18.Spring MVC/24.@Enable*\346\263\250\350\247\243\347\232\204\345\267\245\344\275\234\345\216\237\347\220\206/config.json"	
@@ -5,19 +5,22 @@
     {
       "第一类：直接导入配置类": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "第二类：依据条件选择配置类": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "第三类：动态注册Bean": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/18.Spring MVC/25.\346\265\213\350\257\225/config.json" "b/data/3.Java\351\253\230\351\230\266/18.Spring MVC/25.\346\265\213\350\257\225/config.json"
index 1c33131..655c637 100644
--- "a/data/3.Java\351\253\230\351\230\266/18.Spring MVC/25.\346\265\213\350\257\225/config.json"	
+++ "b/data/3.Java\351\253\230\351\230\266/18.Spring MVC/25.\346\265\213\350\257\225/config.json"	
@@ -5,7 +5,8 @@
     {
       "示例": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/18.Spring MVC/config.json" "b/data/3.Java\351\253\230\351\230\266/18.Spring MVC/config.json"
index 3407cf9..5a05383 100644
--- "a/data/3.Java\351\253\230\351\230\266/18.Spring MVC/config.json"	
+++ "b/data/3.Java\351\253\230\351\230\266/18.Spring MVC/config.json"	
@@ -1,4 +1,14 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [
+    {
+      "Java配置": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    }
+  ],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/3.Java\351\253\230\351\230\266/19.Spring Boot/config.json" "b/data/3.Java\351\253\230\351\230\266/19.Spring Boot/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/3.Java\351\253\230\351\230\266/19.Spring Boot/config.json"	
+++ "b/data/3.Java\351\253\230\351\230\266/19.Spring Boot/config.json"	
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/3.Java\351\253\230\351\230\266/2.\351\200\232\350\277\207\350\241\214\344\270\272\345\217\202\346\225\260\345\214\226\344\274\240\351\200\222\344\273\243\347\240\201/1.\345\272\224\345\257\271\344\270\215\346\226\255\345\217\230\345\214\226\347\232\204\351\234\200\346\261\202/config.json" "b/data/3.Java\351\253\230\351\230\266/2.\351\200\232\350\277\207\350\241\214\344\270\272\345\217\202\346\225\260\345\214\226\344\274\240\351\200\222\344\273\243\347\240\201/1.\345\272\224\345\257\271\344\270\215\346\226\255\345\217\230\345\214\226\347\232\204\351\234\200\346\261\202/config.json"
index b5cf26c..0db1ce2 100644
--- "a/data/3.Java\351\253\230\351\230\266/2.\351\200\232\350\277\207\350\241\214\344\270\272\345\217\202\346\225\260\345\214\226\344\274\240\351\200\222\344\273\243\347\240\201/1.\345\272\224\345\257\271\344\270\215\346\226\255\345\217\230\345\214\226\347\232\204\351\234\200\346\261\202/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/2.\351\200\232\350\277\207\350\241\214\344\270\272\345\217\202\346\225\260\345\214\226\344\274\240\351\200\222\344\273\243\347\240\201/1.\345\272\224\345\257\271\344\270\215\346\226\255\345\217\230\345\214\226\347\232\204\351\234\200\346\261\202/config.json"
@@ -5,19 +5,22 @@
     {
       "初试牛刀：筛选绿苹果": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "再展身手：把颜色作为参数": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "第三次尝试：对你能想到的每个属性做筛选": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/2.\351\200\232\350\277\207\350\241\214\344\270\272\345\217\202\346\225\260\345\214\226\344\274\240\351\200\222\344\273\243\347\240\201/3.\345\257\271\344\273\230\345\225\260\345\224\206/config.json" "b/data/3.Java\351\253\230\351\230\266/2.\351\200\232\350\277\207\350\241\214\344\270\272\345\217\202\346\225\260\345\214\226\344\274\240\351\200\222\344\273\243\347\240\201/3.\345\257\271\344\273\230\345\225\260\345\224\206/config.json"
index 8445050..3b35084 100644
--- "a/data/3.Java\351\253\230\351\230\266/2.\351\200\232\350\277\207\350\241\214\344\270\272\345\217\202\346\225\260\345\214\226\344\274\240\351\200\222\344\273\243\347\240\201/3.\345\257\271\344\273\230\345\225\260\345\224\206/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/2.\351\200\232\350\277\207\350\241\214\344\270\272\345\217\202\346\225\260\345\214\226\344\274\240\351\200\222\344\273\243\347\240\201/3.\345\257\271\344\273\230\345\225\260\345\224\206/config.json"
@@ -5,25 +5,29 @@
     {
       "匿名类": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "第五次尝试：使用匿名类": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "第六次尝试：使用Lambda表达式": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "第七次尝试：将List类型抽象化": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/2.\351\200\232\350\277\207\350\241\214\344\270\272\345\217\202\346\225\260\345\214\226\344\274\240\351\200\222\344\273\243\347\240\201/4.\347\234\237\345\256\236\347\232\204\344\276\213\345\255\220/config.json" "b/data/3.Java\351\253\230\351\230\266/2.\351\200\232\350\277\207\350\241\214\344\270\272\345\217\202\346\225\260\345\214\226\344\274\240\351\200\222\344\273\243\347\240\201/4.\347\234\237\345\256\236\347\232\204\344\276\213\345\255\220/config.json"
index a55026f..3f0faf9 100644
--- "a/data/3.Java\351\253\230\351\230\266/2.\351\200\232\350\277\207\350\241\214\344\270\272\345\217\202\346\225\260\345\214\226\344\274\240\351\200\222\344\273\243\347\240\201/4.\347\234\237\345\256\236\347\232\204\344\276\213\345\255\220/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/2.\351\200\232\350\277\207\350\241\214\344\270\272\345\217\202\346\225\260\345\214\226\344\274\240\351\200\222\344\273\243\347\240\201/4.\347\234\237\345\256\236\347\232\204\344\276\213\345\255\220/config.json"
@@ -5,25 +5,29 @@
     {
       "用Comparator来排序": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "用Runnable执行代码块": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "通过Callable返回结果": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "GUI事件处理": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/2.\351\200\232\350\277\207\350\241\214\344\270\272\345\217\202\346\225\260\345\214\226\344\274\240\351\200\222\344\273\243\347\240\201/config.json" "b/data/3.Java\351\253\230\351\230\266/2.\351\200\232\350\277\207\350\241\214\344\270\272\345\217\202\346\225\260\345\214\226\344\274\240\351\200\222\344\273\243\347\240\201/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/3.Java\351\253\230\351\230\266/2.\351\200\232\350\277\207\350\241\214\344\270\272\345\217\202\346\225\260\345\214\226\344\274\240\351\200\222\344\273\243\347\240\201/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/2.\351\200\232\350\277\207\350\241\214\344\270\272\345\217\202\346\225\260\345\214\226\344\274\240\351\200\222\344\273\243\347\240\201/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/3.Java\351\253\230\351\230\266/20.Mybatis/1.MyBatis\347\232\204\350\247\243\346\236\220\345\222\214\350\277\220\350\241\214\345\216\237\347\220\206/config.json" "b/data/3.Java\351\253\230\351\230\266/20.Mybatis/1.MyBatis\347\232\204\350\247\243\346\236\220\345\222\214\350\277\220\350\241\214\345\216\237\347\220\206/config.json"
index 4e930fb..d75d0a3 100644
--- "a/data/3.Java\351\253\230\351\230\266/20.Mybatis/1.MyBatis\347\232\204\350\247\243\346\236\220\345\222\214\350\277\220\350\241\214\345\216\237\347\220\206/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/20.Mybatis/1.MyBatis\347\232\204\350\247\243\346\236\220\345\222\214\350\277\220\350\241\214\345\216\237\347\220\206/config.json"
@@ -9,22 +9,26 @@
           {
             "构建Configuration": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "构建映射器的内部组成": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "构建SqlSessionFactory": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -34,40 +38,47 @@
           {
             "映射器（Mapper）的动态代理": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "SqlSession下的四大对象": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "插件接口": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "插件的初始化": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "插件的代理和反射设计": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "常用的工具类——MetaObject": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -81,34 +92,40 @@
                 {
                   "简单的select元素的应用": {
                     "keywords": [],
-                    "children": []
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                   }
                 },
                 {
                   "自动映射和驼峰映射": {
                     "keywords": [],
-                    "children": []
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                   }
                 },
                 {
                   "传递多个参数": {
                     "keywords": [],
-                    "children": []
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                   }
                 },
                 {
                   "使用resultMap映射结果集": {
                     "keywords": [],
-                    "children": []
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                   }
                 },
                 {
                   "分页参数RowBounds": {
                     "keywords": [],
-                    "children": []
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                   }
                 }
-              ]
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
@@ -118,34 +135,40 @@
                 {
                   "简单的insert语句的应用": {
                     "keywords": [],
-                    "children": []
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                   }
                 },
                 {
                   "主键回填": {
                     "keywords": [],
-                    "children": []
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                   }
                 },
                 {
                   "自定义主键": {
                     "keywords": [],
-                    "children": []
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                   }
                 }
-              ]
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "update元素和delete元素": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "sql元素": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
@@ -155,16 +178,19 @@
                 {
                   "存储过程参数支持": {
                     "keywords": [],
-                    "children": []
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                   }
                 },
                 {
                   "特殊字符串的替换和处理（#和$）": {
                     "keywords": [],
-                    "children": []
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                   }
                 }
-              ]
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
@@ -174,22 +200,26 @@
                 {
                   "resultMap元素的构成": {
                     "keywords": [],
-                    "children": []
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                   }
                 },
                 {
                   "使用map存储结果集": {
                     "keywords": [],
-                    "children": []
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                   }
                 },
                 {
                   "使用POJO存储结果集": {
                     "keywords": [],
-                    "children": []
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                   }
                 }
-              ]
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
@@ -199,40 +229,47 @@
                 {
                   "MyBatis中的级联": {
                     "keywords": [],
-                    "children": []
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                   }
                 },
                 {
                   "建立POJO": {
                     "keywords": [],
-                    "children": []
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                   }
                 },
                 {
                   "配置映射文件": {
                     "keywords": [],
-                    "children": []
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                   }
                 },
                 {
                   "延迟加载": {
                     "keywords": [],
-                    "children": []
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                   }
                 },
                 {
                   "另一种级联": {
                     "keywords": [],
-                    "children": []
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                   }
                 },
                 {
                   "多对多级联": {
                     "keywords": [],
-                    "children": []
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                   }
                 }
-              ]
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
@@ -242,16 +279,19 @@
                 {
                   "一级缓存和二级缓存": {
                     "keywords": [],
-                    "children": []
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                   }
                 },
                 {
                   "缓存配置项、自定义和引用": {
                     "keywords": [],
-                    "children": []
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                   }
                 }
-              ]
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
@@ -261,19 +301,23 @@
                 {
                   "IN和OUT参数存储过程": {
                     "keywords": [],
-                    "children": []
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                   }
                 },
                 {
                   "游标的使用": {
                     "keywords": [],
-                    "children": []
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                   }
                 }
-              ]
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
@@ -283,40 +327,47 @@
           {
             "if元素": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "choose、when、otherwise元素": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "trim、where、set元素": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "foreach元素": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "用test的属性判断字符串": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           },
           {
             "bind元素": {
               "keywords": [],
-              "children": []
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
             }
           }
-        ]
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/20.Mybatis/config.json" "b/data/3.Java\351\253\230\351\230\266/20.Mybatis/config.json"
index 3407cf9..3f0faf9 100644
--- "a/data/3.Java\351\253\230\351\230\266/20.Mybatis/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/20.Mybatis/config.json"
@@ -1,4 +1,35 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [
+    {
+      "用Comparator来排序": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "用Runnable执行代码块": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "通过Callable返回结果": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "GUI事件处理": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    }
+  ],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/3.Java\351\253\230\351\230\266/21.Spark/config.json" "b/data/3.Java\351\253\230\351\230\266/21.Spark/config.json"
index 3407cf9..d75d0a3 100644
--- "a/data/3.Java\351\253\230\351\230\266/21.Spark/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/21.Spark/config.json"
@@ -1,4 +1,375 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [
+    {
+      "构建SqlSessionFactory过程": {
+        "keywords": [],
+        "children": [
+          {
+            "构建Configuration": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "构建映射器的内部组成": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "构建SqlSessionFactory": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          }
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "SqlSession运行过程": {
+        "keywords": [],
+        "children": [
+          {
+            "映射器（Mapper）的动态代理": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "SqlSession下的四大对象": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          }
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "插件接口": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "插件的初始化": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "插件的代理和反射设计": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "常用的工具类——MetaObject": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "映射器": {
+        "keywords": [],
+        "children": [
+          {
+            "select元素——查询语句": {
+              "keywords": [],
+              "children": [
+                {
+                  "简单的select元素的应用": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "自动映射和驼峰映射": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "传递多个参数": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "使用resultMap映射结果集": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "分页参数RowBounds": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                }
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "insert元素——插入语句": {
+              "keywords": [],
+              "children": [
+                {
+                  "简单的insert语句的应用": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "主键回填": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "自定义主键": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                }
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "update元素和delete元素": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "sql元素": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "参数": {
+              "keywords": [],
+              "children": [
+                {
+                  "存储过程参数支持": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "特殊字符串的替换和处理（#和$）": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                }
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "resultMap元素": {
+              "keywords": [],
+              "children": [
+                {
+                  "resultMap元素的构成": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "使用map存储结果集": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "使用POJO存储结果集": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                }
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "级联": {
+              "keywords": [],
+              "children": [
+                {
+                  "MyBatis中的级联": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "建立POJO": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "配置映射文件": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "延迟加载": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "另一种级联": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "多对多级联": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                }
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "缓存": {
+              "keywords": [],
+              "children": [
+                {
+                  "一级缓存和二级缓存": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "缓存配置项、自定义和引用": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                }
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "存储过程": {
+              "keywords": [],
+              "children": [
+                {
+                  "IN和OUT参数存储过程": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "游标的使用": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                }
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          }
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "动态SQL": {
+        "keywords": [],
+        "children": [
+          {
+            "if元素": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "choose、when、otherwise元素": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "trim、where、set元素": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "foreach元素": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "用test的属性判断字符串": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "bind元素": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          }
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    }
+  ],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/3.Java\351\253\230\351\230\266/22.Flink/config.json" "b/data/3.Java\351\253\230\351\230\266/22.Flink/config.json"
index 3407cf9..d75d0a3 100644
--- "a/data/3.Java\351\253\230\351\230\266/22.Flink/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/22.Flink/config.json"
@@ -1,4 +1,375 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [
+    {
+      "构建SqlSessionFactory过程": {
+        "keywords": [],
+        "children": [
+          {
+            "构建Configuration": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "构建映射器的内部组成": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "构建SqlSessionFactory": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          }
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "SqlSession运行过程": {
+        "keywords": [],
+        "children": [
+          {
+            "映射器（Mapper）的动态代理": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "SqlSession下的四大对象": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          }
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "插件接口": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "插件的初始化": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "插件的代理和反射设计": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "常用的工具类——MetaObject": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "映射器": {
+        "keywords": [],
+        "children": [
+          {
+            "select元素——查询语句": {
+              "keywords": [],
+              "children": [
+                {
+                  "简单的select元素的应用": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "自动映射和驼峰映射": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "传递多个参数": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "使用resultMap映射结果集": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "分页参数RowBounds": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                }
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "insert元素——插入语句": {
+              "keywords": [],
+              "children": [
+                {
+                  "简单的insert语句的应用": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "主键回填": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "自定义主键": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                }
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "update元素和delete元素": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "sql元素": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "参数": {
+              "keywords": [],
+              "children": [
+                {
+                  "存储过程参数支持": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "特殊字符串的替换和处理（#和$）": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                }
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "resultMap元素": {
+              "keywords": [],
+              "children": [
+                {
+                  "resultMap元素的构成": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "使用map存储结果集": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "使用POJO存储结果集": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                }
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "级联": {
+              "keywords": [],
+              "children": [
+                {
+                  "MyBatis中的级联": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "建立POJO": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "配置映射文件": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "延迟加载": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "另一种级联": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "多对多级联": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                }
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "缓存": {
+              "keywords": [],
+              "children": [
+                {
+                  "一级缓存和二级缓存": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "缓存配置项、自定义和引用": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                }
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "存储过程": {
+              "keywords": [],
+              "children": [
+                {
+                  "IN和OUT参数存储过程": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "游标的使用": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                }
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          }
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "动态SQL": {
+        "keywords": [],
+        "children": [
+          {
+            "if元素": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "choose、when、otherwise元素": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "trim、where、set元素": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "foreach元素": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "用test的属性判断字符串": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "bind元素": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          }
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    }
+  ],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/3.Java\351\253\230\351\230\266/23.Vert.x/config.json" "b/data/3.Java\351\253\230\351\230\266/23.Vert.x/config.json"
index 3407cf9..d75d0a3 100644
--- "a/data/3.Java\351\253\230\351\230\266/23.Vert.x/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/23.Vert.x/config.json"
@@ -1,4 +1,375 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [
+    {
+      "构建SqlSessionFactory过程": {
+        "keywords": [],
+        "children": [
+          {
+            "构建Configuration": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "构建映射器的内部组成": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "构建SqlSessionFactory": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          }
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "SqlSession运行过程": {
+        "keywords": [],
+        "children": [
+          {
+            "映射器（Mapper）的动态代理": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "SqlSession下的四大对象": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          }
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "插件接口": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "插件的初始化": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "插件的代理和反射设计": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "常用的工具类——MetaObject": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "映射器": {
+        "keywords": [],
+        "children": [
+          {
+            "select元素——查询语句": {
+              "keywords": [],
+              "children": [
+                {
+                  "简单的select元素的应用": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "自动映射和驼峰映射": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "传递多个参数": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "使用resultMap映射结果集": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "分页参数RowBounds": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                }
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "insert元素——插入语句": {
+              "keywords": [],
+              "children": [
+                {
+                  "简单的insert语句的应用": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "主键回填": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "自定义主键": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                }
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "update元素和delete元素": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "sql元素": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "参数": {
+              "keywords": [],
+              "children": [
+                {
+                  "存储过程参数支持": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "特殊字符串的替换和处理（#和$）": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                }
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "resultMap元素": {
+              "keywords": [],
+              "children": [
+                {
+                  "resultMap元素的构成": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "使用map存储结果集": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "使用POJO存储结果集": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                }
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "级联": {
+              "keywords": [],
+              "children": [
+                {
+                  "MyBatis中的级联": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "建立POJO": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "配置映射文件": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "延迟加载": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "另一种级联": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "多对多级联": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                }
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "缓存": {
+              "keywords": [],
+              "children": [
+                {
+                  "一级缓存和二级缓存": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "缓存配置项、自定义和引用": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                }
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "存储过程": {
+              "keywords": [],
+              "children": [
+                {
+                  "IN和OUT参数存储过程": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "游标的使用": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                }
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          }
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "动态SQL": {
+        "keywords": [],
+        "children": [
+          {
+            "if元素": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "choose、when、otherwise元素": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "trim、where、set元素": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "foreach元素": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "用test的属性判断字符串": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "bind元素": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          }
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    }
+  ],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/3.Java\351\253\230\351\230\266/24.Quarkus/config.json" "b/data/3.Java\351\253\230\351\230\266/24.Quarkus/config.json"
index 3407cf9..d75d0a3 100644
--- "a/data/3.Java\351\253\230\351\230\266/24.Quarkus/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/24.Quarkus/config.json"
@@ -1,4 +1,375 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [
+    {
+      "构建SqlSessionFactory过程": {
+        "keywords": [],
+        "children": [
+          {
+            "构建Configuration": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "构建映射器的内部组成": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "构建SqlSessionFactory": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          }
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "SqlSession运行过程": {
+        "keywords": [],
+        "children": [
+          {
+            "映射器（Mapper）的动态代理": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "SqlSession下的四大对象": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          }
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "插件接口": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "插件的初始化": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "插件的代理和反射设计": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "常用的工具类——MetaObject": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "映射器": {
+        "keywords": [],
+        "children": [
+          {
+            "select元素——查询语句": {
+              "keywords": [],
+              "children": [
+                {
+                  "简单的select元素的应用": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "自动映射和驼峰映射": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "传递多个参数": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "使用resultMap映射结果集": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "分页参数RowBounds": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                }
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "insert元素——插入语句": {
+              "keywords": [],
+              "children": [
+                {
+                  "简单的insert语句的应用": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "主键回填": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "自定义主键": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                }
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "update元素和delete元素": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "sql元素": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "参数": {
+              "keywords": [],
+              "children": [
+                {
+                  "存储过程参数支持": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "特殊字符串的替换和处理（#和$）": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                }
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "resultMap元素": {
+              "keywords": [],
+              "children": [
+                {
+                  "resultMap元素的构成": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "使用map存储结果集": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "使用POJO存储结果集": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                }
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "级联": {
+              "keywords": [],
+              "children": [
+                {
+                  "MyBatis中的级联": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "建立POJO": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "配置映射文件": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "延迟加载": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "另一种级联": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "多对多级联": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                }
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "缓存": {
+              "keywords": [],
+              "children": [
+                {
+                  "一级缓存和二级缓存": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "缓存配置项、自定义和引用": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                }
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "存储过程": {
+              "keywords": [],
+              "children": [
+                {
+                  "IN和OUT参数存储过程": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "游标的使用": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                }
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          }
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "动态SQL": {
+        "keywords": [],
+        "children": [
+          {
+            "if元素": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "choose、when、otherwise元素": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "trim、where、set元素": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "foreach元素": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "用test的属性判断字符串": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "bind元素": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          }
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    }
+  ],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/3.Java\351\253\230\351\230\266/25.\345\205\266\344\273\226/config.json" "b/data/3.Java\351\253\230\351\230\266/25.\345\205\266\344\273\226/config.json"
index 3407cf9..d75d0a3 100644
--- "a/data/3.Java\351\253\230\351\230\266/25.\345\205\266\344\273\226/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/25.\345\205\266\344\273\226/config.json"
@@ -1,4 +1,375 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [
+    {
+      "构建SqlSessionFactory过程": {
+        "keywords": [],
+        "children": [
+          {
+            "构建Configuration": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "构建映射器的内部组成": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "构建SqlSessionFactory": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          }
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "SqlSession运行过程": {
+        "keywords": [],
+        "children": [
+          {
+            "映射器（Mapper）的动态代理": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "SqlSession下的四大对象": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          }
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "插件接口": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "插件的初始化": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "插件的代理和反射设计": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "常用的工具类——MetaObject": {
+        "keywords": [],
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "映射器": {
+        "keywords": [],
+        "children": [
+          {
+            "select元素——查询语句": {
+              "keywords": [],
+              "children": [
+                {
+                  "简单的select元素的应用": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "自动映射和驼峰映射": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "传递多个参数": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "使用resultMap映射结果集": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "分页参数RowBounds": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                }
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "insert元素——插入语句": {
+              "keywords": [],
+              "children": [
+                {
+                  "简单的insert语句的应用": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "主键回填": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "自定义主键": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                }
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "update元素和delete元素": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "sql元素": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "参数": {
+              "keywords": [],
+              "children": [
+                {
+                  "存储过程参数支持": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "特殊字符串的替换和处理（#和$）": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                }
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "resultMap元素": {
+              "keywords": [],
+              "children": [
+                {
+                  "resultMap元素的构成": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "使用map存储结果集": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "使用POJO存储结果集": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                }
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "级联": {
+              "keywords": [],
+              "children": [
+                {
+                  "MyBatis中的级联": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "建立POJO": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "配置映射文件": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "延迟加载": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "另一种级联": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "多对多级联": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                }
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "缓存": {
+              "keywords": [],
+              "children": [
+                {
+                  "一级缓存和二级缓存": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "缓存配置项、自定义和引用": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                }
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "存储过程": {
+              "keywords": [],
+              "children": [
+                {
+                  "IN和OUT参数存储过程": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                },
+                {
+                  "游标的使用": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+                  }
+                }
+              ],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          }
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    },
+    {
+      "动态SQL": {
+        "keywords": [],
+        "children": [
+          {
+            "if元素": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "choose、when、otherwise元素": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "trim、where、set元素": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "foreach元素": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "用test的属性判断字符串": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          },
+          {
+            "bind元素": {
+              "keywords": [],
+              "children": [],
+              "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+            }
+          }
+        ],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+      }
+    }
+  ],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/3.Java\351\253\230\351\230\266/3.Lambda\350\241\250\350\276\276\345\274\217/2.\345\234\250\345\223\252\351\207\214\344\273\245\345\217\212\345\246\202\344\275\225\344\275\277\347\224\250Lambda/config.json" "b/data/3.Java\351\253\230\351\230\266/3.Lambda\350\241\250\350\276\276\345\274\217/2.\345\234\250\345\223\252\351\207\214\344\273\245\345\217\212\345\246\202\344\275\225\344\275\277\347\224\250Lambda/config.json"
index 85ea38f..c6bda60 100644
--- "a/data/3.Java\351\253\230\351\230\266/3.Lambda\350\241\250\350\276\276\345\274\217/2.\345\234\250\345\223\252\351\207\214\344\273\245\345\217\212\345\246\202\344\275\225\344\275\277\347\224\250Lambda/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/3.Lambda\350\241\250\350\276\276\345\274\217/2.\345\234\250\345\223\252\351\207\214\344\273\245\345\217\212\345\246\202\344\275\225\344\275\277\347\224\250Lambda/config.json"
@@ -5,13 +5,15 @@
     {
       "函数式接口": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "函数描述符": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/3.Lambda\350\241\250\350\276\276\345\274\217/3.\346\212\212Lambda\344\273\230\350\257\270\345\256\236\350\267\265\357\274\232\347\216\257\347\273\225\346\211\247\350\241\214\346\250\241\345\274\217/config.json" "b/data/3.Java\351\253\230\351\230\266/3.Lambda\350\241\250\350\276\276\345\274\217/3.\346\212\212Lambda\344\273\230\350\257\270\345\256\236\350\267\265\357\274\232\347\216\257\347\273\225\346\211\247\350\241\214\346\250\241\345\274\217/config.json"
index b517d4b..3e66a3c 100644
--- "a/data/3.Java\351\253\230\351\230\266/3.Lambda\350\241\250\350\276\276\345\274\217/3.\346\212\212Lambda\344\273\230\350\257\270\345\256\236\350\267\265\357\274\232\347\216\257\347\273\225\346\211\247\350\241\214\346\250\241\345\274\217/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/3.Lambda\350\241\250\350\276\276\345\274\217/3.\346\212\212Lambda\344\273\230\350\257\270\345\256\236\350\267\265\357\274\232\347\216\257\347\273\225\346\211\247\350\241\214\346\250\241\345\274\217/config.json"
@@ -5,25 +5,29 @@
     {
       "第 1 步：记得行为参数化": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "第 2 步：使用函数式接口来传递行为": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "第 3 步：执行一个行为": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "第 4 步：传递Lambda": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/3.Lambda\350\241\250\350\276\276\345\274\217/4.\344\275\277\347\224\250\345\207\275\346\225\260\345\274\217\346\216\245\345\217\243/config.json" "b/data/3.Java\351\253\230\351\230\266/3.Lambda\350\241\250\350\276\276\345\274\217/4.\344\275\277\347\224\250\345\207\275\346\225\260\345\274\217\346\216\245\345\217\243/config.json"
index 4652c1e..f532da6 100644
--- "a/data/3.Java\351\253\230\351\230\266/3.Lambda\350\241\250\350\276\276\345\274\217/4.\344\275\277\347\224\250\345\207\275\346\225\260\345\274\217\346\216\245\345\217\243/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/3.Lambda\350\241\250\350\276\276\345\274\217/4.\344\275\277\347\224\250\345\207\275\346\225\260\345\274\217\346\216\245\345\217\243/config.json"
@@ -5,19 +5,22 @@
     {
       "Predicate": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "Consumer": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "Function": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/3.Lambda\350\241\250\350\276\276\345\274\217/5.\347\261\273\345\236\213\346\243\200\346\237\245\343\200\201\347\261\273\345\236\213\346\216\250\346\226\255\344\273\245\345\217\212\351\231\220\345\210\266/config.json" "b/data/3.Java\351\253\230\351\230\266/3.Lambda\350\241\250\350\276\276\345\274\217/5.\347\261\273\345\236\213\346\243\200\346\237\245\343\200\201\347\261\273\345\236\213\346\216\250\346\226\255\344\273\245\345\217\212\351\231\220\345\210\266/config.json"
index 7559a2b..0cb5d7b 100644
--- "a/data/3.Java\351\253\230\351\230\266/3.Lambda\350\241\250\350\276\276\345\274\217/5.\347\261\273\345\236\213\346\243\200\346\237\245\343\200\201\347\261\273\345\236\213\346\216\250\346\226\255\344\273\245\345\217\212\351\231\220\345\210\266/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/3.Lambda\350\241\250\350\276\276\345\274\217/5.\347\261\273\345\236\213\346\243\200\346\237\245\343\200\201\347\261\273\345\236\213\346\216\250\346\226\255\344\273\245\345\217\212\351\231\220\345\210\266/config.json"
@@ -5,25 +5,29 @@
     {
       "类型检查": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "同样的Lambda，不同的函数式接口": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "类型推断": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "使用局部变量": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/3.Lambda\350\241\250\350\276\276\345\274\217/6.\346\226\271\346\263\225\345\274\225\347\224\250/config.json" "b/data/3.Java\351\253\230\351\230\266/3.Lambda\350\241\250\350\276\276\345\274\217/6.\346\226\271\346\263\225\345\274\225\347\224\250/config.json"
index a0dc311..88f51de 100644
--- "a/data/3.Java\351\253\230\351\230\266/3.Lambda\350\241\250\350\276\276\345\274\217/6.\346\226\271\346\263\225\345\274\225\347\224\250/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/3.Lambda\350\241\250\350\276\276\345\274\217/6.\346\226\271\346\263\225\345\274\225\347\224\250/config.json"
@@ -5,13 +5,15 @@
     {
       "管中窥豹": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "构造函数引用": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/3.Lambda\350\241\250\350\276\276\345\274\217/7.\345\244\215\345\220\210Lambda\350\241\250\350\276\276\345\274\217\347\232\204\346\234\211\347\224\250\346\226\271\346\263\225/config.json" "b/data/3.Java\351\253\230\351\230\266/3.Lambda\350\241\250\350\276\276\345\274\217/7.\345\244\215\345\220\210Lambda\350\241\250\350\276\276\345\274\217\347\232\204\346\234\211\347\224\250\346\226\271\346\263\225/config.json"
index 9e75221..f8046e9 100644
--- "a/data/3.Java\351\253\230\351\230\266/3.Lambda\350\241\250\350\276\276\345\274\217/7.\345\244\215\345\220\210Lambda\350\241\250\350\276\276\345\274\217\347\232\204\346\234\211\347\224\250\346\226\271\346\263\225/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/3.Lambda\350\241\250\350\276\276\345\274\217/7.\345\244\215\345\220\210Lambda\350\241\250\350\276\276\345\274\217\347\232\204\346\234\211\347\224\250\346\226\271\346\263\225/config.json"
@@ -5,19 +5,22 @@
     {
       "比较器复合": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "谓词复合": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "函数复合": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/3.Lambda\350\241\250\350\276\276\345\274\217/8.\346\225\260\345\255\246\344\270\255\347\232\204\347\261\273\344\274\274\346\200\235\346\203\263/config.json" "b/data/3.Java\351\253\230\351\230\266/3.Lambda\350\241\250\350\276\276\345\274\217/8.\346\225\260\345\255\246\344\270\255\347\232\204\347\261\273\344\274\274\346\200\235\346\203\263/config.json"
index 4843bb1..e18a4ea 100644
--- "a/data/3.Java\351\253\230\351\230\266/3.Lambda\350\241\250\350\276\276\345\274\217/8.\346\225\260\345\255\246\344\270\255\347\232\204\347\261\273\344\274\274\346\200\235\346\203\263/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/3.Lambda\350\241\250\350\276\276\345\274\217/8.\346\225\260\345\255\246\344\270\255\347\232\204\347\261\273\344\274\274\346\200\235\346\203\263/config.json"
@@ -5,13 +5,15 @@
     {
       "积分": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     },
     {
       "与Java 8的Lambda联系起来": {
         "keywords": [],
-        "children": []
+        "children": [],
+        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
       }
     }
   ],
diff --git "a/data/3.Java\351\253\230\351\230\266/3.Lambda\350\241\250\350\276\276\345\274\217/config.json" "b/data/3.Java\351\253\230\351\230\266/3.Lambda\350\241\250\350\276\276\345\274\217/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/3.Java\351\253\230\351\230\266/3.Lambda\350\241\250\350\276\276\345\274\217/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/3.Lambda\350\241\250\350\276\276\345\274\217/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/3.Java\351\253\230\351\230\266/4.\346\265\201\347\256\200\344\273\213/config.json" "b/data/3.Java\351\253\230\351\230\266/4.\346\265\201\347\256\200\344\273\213/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/3.Java\351\253\230\351\230\266/4.\346\265\201\347\256\200\344\273\213/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/4.\346\265\201\347\256\200\344\273\213/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/3.Java\351\253\230\351\230\266/5.\346\265\201\346\223\215\344\275\234/config.json" "b/data/3.Java\351\253\230\351\230\266/5.\346\265\201\346\223\215\344\275\234/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/3.Java\351\253\230\351\230\266/5.\346\265\201\346\223\215\344\275\234/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/5.\346\265\201\346\223\215\344\275\234/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/3.Java\351\253\230\351\230\266/6.\350\267\257\347\272\277\345\233\276/config.json" "b/data/3.Java\351\253\230\351\230\266/6.\350\267\257\347\272\277\345\233\276/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/3.Java\351\253\230\351\230\266/6.\350\267\257\347\272\277\345\233\276/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/6.\350\267\257\347\272\277\345\233\276/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/3.Java\351\253\230\351\230\266/7.\346\224\266\351\233\206\345\231\250\347\256\200\344\273\213/config.json" "b/data/3.Java\351\253\230\351\230\266/7.\346\224\266\351\233\206\345\231\250\347\256\200\344\273\213/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/3.Java\351\253\230\351\230\266/7.\346\224\266\351\233\206\345\231\250\347\256\200\344\273\213/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/7.\346\224\266\351\233\206\345\231\250\347\256\200\344\273\213/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/3.Java\351\253\230\351\230\266/8.\345\210\206\347\273\204/config.json" "b/data/3.Java\351\253\230\351\230\266/8.\345\210\206\347\273\204/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/3.Java\351\253\230\351\230\266/8.\345\210\206\347\273\204/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/8.\345\210\206\347\273\204/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git "a/data/3.Java\351\253\230\351\230\266/9.\345\210\206\345\214\272/config.json" "b/data/3.Java\351\253\230\351\230\266/9.\345\210\206\345\214\272/config.json"
index 3407cf9..f6416a1 100644
--- "a/data/3.Java\351\253\230\351\230\266/9.\345\210\206\345\214\272/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/9.\345\210\206\345\214\272/config.json"
@@ -1,4 +1,6 @@
 {
   "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-  "keywords": []
+  "keywords": [],
+  "children": [],
+  "export": []
 }
\ No newline at end of file
diff --git a/data/tree.json b/data/tree.json
index c1e4bec..fa6ade3 100644
--- a/data/tree.json
+++ b/data/tree.json
@@ -99,31 +99,36 @@
                         {
                           "字节流概述": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "字节流读写文件": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "文件的拷贝": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "字节流的缓冲区": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "字节缓冲流": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -137,67 +142,78 @@
                         {
                           "File类的常用方法": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "遍历目录下的文件": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "删除文件及目录": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "创建文件对象": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "文件操作": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "文件夹操作": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "目录列表器": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "目录实用工具": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "目录的检查及创建": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "文件的创建与删除": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "获取文件信息": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -254,13 +270,15 @@
                         {
                           "截尾和舍入": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "提升": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -302,7 +320,8 @@
                         {
                           "一元加、减操作符": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -323,7 +342,8 @@
                         {
                           "测试对象的等价性": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -337,7 +357,8 @@
                         {
                           "短路": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -373,13 +394,15 @@
                         {
                           "用构造器确保初始化": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "缺省构造器": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -389,10 +412,12 @@
                               {
                                 "指定初始化": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -402,22 +427,26 @@
                               {
                                 "初始化顺序": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "静态数据的初始化": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "显式的静态初始化": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -427,10 +456,12 @@
                               {
                                 "可变参数列表": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -444,10 +475,12 @@
                                     {
                                       "将静态导入用于enum": {
                                         "keywords": [],
-                                        "children": []
+                                        "children": [],
+                                        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                       }
                                     }
-                                  ]
+                                  ],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
@@ -457,46 +490,54 @@
                                     {
                                       "覆盖enum的方法": {
                                         "keywords": [],
-                                        "children": []
+                                        "children": [],
+                                        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                       }
                                     }
-                                  ]
+                                  ],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "switch语句中的enum": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "values（）的神秘之处": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "实现但不继承随机选取": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "为组织而使用接口": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "使用EnumSet替代标志": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "使用EnumMap": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
@@ -506,16 +547,19 @@
                                     {
                                       "使用enum的职责链": {
                                         "keywords": [],
-                                        "children": []
+                                        "children": [],
+                                        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                       }
                                     },
                                     {
                                       "使用enum的状态机": {
                                         "keywords": [],
-                                        "children": []
+                                        "children": [],
+                                        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                       }
                                     }
-                                  ]
+                                  ],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
@@ -525,37 +569,44 @@
                                     {
                                       "使用enum分发": {
                                         "keywords": [],
-                                        "children": []
+                                        "children": [],
+                                        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                       }
                                     },
                                     {
                                       "使用EnumMap分发": {
                                         "keywords": [],
-                                        "children": []
+                                        "children": [],
+                                        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                       }
                                     }
-                                  ]
+                                  ],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "使用枚举类型设置常量": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "使用枚举类型的优势": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "类初始化块": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -565,40 +616,47 @@
                               {
                                 "包访问权限": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "public:接口访问权限": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "private: 你无法访问": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "protected：继承访问权限": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "类的访问权限": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "组合语法": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -608,10 +666,12 @@
                               {
                                 "初始化基类": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -621,46 +681,54 @@
                               {
                                 "创建代理对象": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "代理类的特性": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "在组合与继承之间选择": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "protected关键字": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "添加一组元素": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "容器的打印": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "List": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -670,34 +738,40 @@
                               {
                                 "ListIterator": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "LinkedList": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "Stack": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "Set": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "Map": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -707,16 +781,19 @@
                               {
                                 "PriorityQueue": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "Collection和Iterator": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -726,10 +803,12 @@
                               {
                                 "适配器方法惯用法": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -743,7 +822,8 @@
                         {
                           "概念": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -753,46 +833,54 @@
                               {
                                 "try块": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "异常处理程序": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "f?inally子句": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "try-with-Resources语句": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "分析堆栈轨迹元素": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "创建自定义异常": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "异常说明": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -802,22 +890,26 @@
                               {
                                 "栈轨迹": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "重新抛出异常": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "异常链": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -827,10 +919,12 @@
                               {
                                 "特例: RuntimeException（运行时异常）": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -840,22 +934,26 @@
                               {
                                 "finally用来做什么": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "在return中使用finally": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "缺憾：异常丢失": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -865,22 +963,26 @@
                               {
                                 "使用构造器执行初始化": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "构造器重载": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "异常匹配": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -890,34 +992,40 @@
                               {
                                 "历史": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "观点": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "把异常传递给控制台": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "把“受检查异常”转换为“不受检查的异常”": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "异常使用指南": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -945,13 +1053,15 @@
                         {
                           "do-while": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "逗号操作符": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -1000,43 +1110,50 @@
                         {
                           "抽象过程": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "每个对象都有一个接口": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "每个对象都提供服务": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "被隐藏的具体实现": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "复用具体实现": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "伴随多态的可互换对象": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "单根继承结构": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -1046,10 +1163,12 @@
                               {
                                 "参数化类型（范型）": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -1590,43 +1709,50 @@
                         {
                           "基本映射操作": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "更新映射条目": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "映射视图": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "弱散列映射": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "链接散列集与映射": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "枚举集与映射": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "标识散列映射": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -1640,25 +1766,29 @@
                         {
                           "二分查找": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "简单算法": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "批操作": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "编写自己的算法": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -1672,19 +1802,22 @@
                         {
                           "属性映射": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "栈": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "位集": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -1747,19 +1880,22 @@
                         {
                           "List接口简介": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "ArrayList集合": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "LinkedList集合": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -1773,19 +1909,22 @@
                         {
                           "Iterator遍历集合": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "foreach遍历集合": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "JDK 8的forEach遍历集合": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -1799,19 +1938,22 @@
                         {
                           "Set接口简介": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "HashSet集合": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "TreeSet集合": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -1825,31 +1967,36 @@
                         {
                           "Map接口简介": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "HashMap集合": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "Map集合遍历": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "TreeMap集合": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "Properties集合": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -1863,13 +2010,15 @@
                         {
                           "Collections工具类": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "Arrays工具类": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -1883,25 +2032,29 @@
                         {
                           "聚合操作简介": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "创建Stream流对象": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "Stream流的常用方法": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "Parallel Stream（并行流）": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -1915,13 +2068,15 @@
                         {
                           "集合接口与实现分离": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "泛型实用方法": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -1958,13 +2113,15 @@
                         {
                           "输入流": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "输出流": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -1978,13 +2135,15 @@
                         {
                           "FileInputStream类与FileOutputStream类": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "FileReader类与FileWriter类": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -1998,13 +2157,15 @@
                         {
                           "BufferedInputStream类与BufferedOutputStream类": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "BufferedReader类与BufferedWriter类": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -2032,13 +2193,15 @@
                         {
                           "压缩文件": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "解压缩ZIP文件": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -2060,13 +2223,15 @@
                         {
                           "定义注解": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "元注解": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -2080,31 +2245,36 @@
                         {
                           "注解元素": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "缺省值限制": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "生成外部文件": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "注解不支持继承": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "实现处理器": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -2132,25 +2302,29 @@
                         {
                           "将@Unit用于泛型": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "不需要任何“套件”": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "实现@Unit": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "移除测试代码": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -2200,13 +2374,15 @@
                         {
                           "更快的执行": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "改进代码设计": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -2220,25 +2396,29 @@
                         {
                           "新建线程": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "可运行线程": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "阻塞和等待线程": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "终止线程": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -2252,25 +2432,29 @@
                         {
                           "中断线程": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "守护线程": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "线程名": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "未捕获异常的处理器": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -2284,43 +2468,50 @@
                         {
                           "阻塞队列": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "映射条目的原子更新": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "对并发散列映射的批操作": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "并发集视图": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "写数组的拷贝": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "并行数组算法": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "较早的线程安全集合": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -2334,19 +2525,22 @@
                         {
                           "可完成Future": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "组合可完成Future": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "用户界面回调中的长时间运行任务": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -2360,49 +2554,57 @@
                         {
                           "定义任务让步": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "使用Executor": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "从任务产生返回值": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "休眠": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "让步": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "编码的变体": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "术语": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "创建有响应的用户界面": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -2416,43 +2618,50 @@
                         {
                           "不正确地访问资源": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "解决共享资源竞争": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "原子性与易变性": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "原子类": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "临界资源": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "在其他对象上同步": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "线程局部存储": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -2466,25 +2675,29 @@
                         {
                           "装饰性花园": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "在阻塞时终结": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "中断": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "检查中断": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -2498,25 +2711,29 @@
                         {
                           "wait（）与notifyAll（）": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "notify（）与notifyAll（）": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "生产者与消费者": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "任务间使用管道进行输入输出": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -2537,25 +2754,29 @@
                         {
                           "比较各类互斥技术": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "免锁容器": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "乐观锁": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "ReadWriteLock": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -2684,19 +2905,22 @@
                         {
                           "JDBC-ODBC桥": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "JDBC技术": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "JDBC驱动程序的类型": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -2710,25 +2934,29 @@
                         {
                           "数据库基础": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "数据查询": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "动态查询": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "添加、修改、删除记录": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -2738,52 +2966,61 @@
                               {
                                 "什么是数据库": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "数据库的种类及功能": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "SQL语言": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "向数据库发送SQL语句": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "处理查询结果集": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "顺序查询": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "模糊查询": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "预处理语句": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -2883,25 +3120,29 @@
                         {
                           "网络通信协议": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "IP地址和端口号": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "InetAddress": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "UDP与TCP协议": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -2915,31 +3156,36 @@
                         {
                           "UDP通信简介": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "DatagramPacket": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "DatagramSocket": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "UDP网络程序": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "UDP案例——聊天程序": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -2953,37 +3199,43 @@
                         {
                           "TCP通信简介": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "ServerSocket": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "Socket": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "简单的TCP网络程序": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "多线程的TCP网络程序": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "TCP案例——文件上传": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -2997,7 +3249,8 @@
                         {
                           "网络基础知识": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -3011,13 +3264,15 @@
                         {
                           "使用URLDecoder和URLEncoder": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "URL、URLConnection和URLPermission": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -3031,43 +3286,50 @@
                         {
                           "TCP协议基础": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "使用ServerSocket创建TCP服务器端": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "使用Socket进行通信": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "记录用户信息": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "半关闭的Socket": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "使用NIO实现非阻塞Socket通信": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "使用AIO实现非阻塞通信": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -3081,19 +3343,22 @@
                         {
                           "UDP协议基础": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "使用DatagramSocket发送、接收数据": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "使用MulticastSocket实现多点广播": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -3107,13 +3372,15 @@
                         {
                           "直接使用Proxy创建连接": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "使用ProxySelector自动选择代理服务器": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -3127,31 +3394,36 @@
                         {
                           "发送同步GET请求": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "发送带请求体的请求": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "发送异步请求": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "WebSocket客户端支持": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "基于WebSocket的多人实时聊天": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -3173,19 +3445,22 @@
                         {
                           "类字面常量": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "泛化的Class引用": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "新的转型语法": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -3199,19 +3474,22 @@
                         {
                           "使用类字面常量": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "动态instanceof": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "递归计数": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -3239,7 +3517,8 @@
                         {
                           "类方法抽取器": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -3249,22 +3528,26 @@
                               {
                                 "访问构造方法": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "访问成员变量": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "访问方法": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -3274,70 +3557,82 @@
                               {
                                 "定义Annotation类型": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "访问Annotation信息": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "声明异常入门": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "资源": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "利用反射分析类的能力": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "使用反射在运行时分析": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "使用反射编写泛型数组": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "访问字段": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "调用方法": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "调用构造方法": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "获取继承关系": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -3358,7 +3653,8 @@
                         {
                           "模拟对象与桩": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -3387,19 +3683,22 @@
                         {
                           "List的排序和查询": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "设定Collection或Map为不可修改": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "Collection或Map的同步控制": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -3413,7 +3712,8 @@
                         {
                           "WeakHashMap": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -3427,19 +3727,22 @@
                         {
                           "一种Generator解决方案": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "Map生成器": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "使用Abstract类": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -3460,7 +3763,8 @@
                         {
                           "未获支持的操作": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -3481,13 +3785,15 @@
                         {
                           "优先级队列": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "双向队列": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -3501,19 +3807,22 @@
                         {
                           "性能": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "SortedMap": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "LinkedHashMap": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -3527,19 +3836,22 @@
                         {
                           "理解hashCode（）": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "为速度而散列": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "覆盖hashCode（）": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -3553,31 +3865,36 @@
                         {
                           "性能测试框架": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "对List的选择": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "微基准测试的危险": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "对Set的选择": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "对Map的选择": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -3664,25 +3981,29 @@
                         {
                           "Java在编程语言生态系统中的位置": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "用行为参数化把代码传递给方法": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "并行与共享的可变数据": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "Java需要演变": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -3700,19 +4021,22 @@
                               {
                                 "从Java程序中调用C函数": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "数值参数与返回值": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "字符串参数": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
@@ -3722,16 +4046,19 @@
                                     {
                                       "访问静态域": {
                                         "keywords": [],
-                                        "children": []
+                                        "children": [],
+                                        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                       }
                                     }
-                                  ]
+                                  ],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "编码签名": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
@@ -3741,49 +4068,58 @@
                                     {
                                       "静态方法": {
                                         "keywords": [],
-                                        "children": []
+                                        "children": [],
+                                        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                       }
                                     },
                                     {
                                       "构造器": {
                                         "keywords": [],
-                                        "children": []
+                                        "children": [],
+                                        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                       }
                                     },
                                     {
                                       "另一种方法调用": {
                                         "keywords": [],
-                                        "children": []
+                                        "children": [],
+                                        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                       }
                                     }
-                                  ]
+                                  ],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "访问数组元素": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "使用调用API": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "传递代码：一个例子": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "从传递方法到Lambda": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -3801,22 +4137,26 @@
                               {
                                 "初始版本的API": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "第二版API": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "概述默认方法": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -3826,10 +4166,12 @@
                               {
                                 "行为的多继承": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -3839,16 +4181,19 @@
                               {
                                 "选择提供了最具体实现的默认方法的接口": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "冲突及如何显式地消除歧义": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -3884,13 +4229,15 @@
                         {
                           "采用防御式检查减少NullPointerException": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "其他语言中null的替代品": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -3911,43 +4258,50 @@
                         {
                           "创建Optional对象": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "使用map从Optional对象中提取和转换值": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "使用flatMap链接Optional对象": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "操纵由Optional对象构成的Stream": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "默认行为及解引用Optional对象": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "两个Optional对象的组合": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "使用filter剔除特定的值": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -4075,13 +4429,15 @@
                         {
                           "处理HTTP GET请求": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "处理HTTP POST请求": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -4130,19 +4486,22 @@
                         {
                           "创建和编译servlet源代码": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "启动Tomcat": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "启动Web浏览器并请求servlet": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -4163,55 +4522,64 @@
                         {
                           "Servlet接口": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "ServletConfig接口": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "ServletContext接口": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "ServletRequest接口": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "ServletResponse接口": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "GenericServlet类": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "ServletInputStream类": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "ServletOutputStream类": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "servlet异常类": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -4232,31 +4600,36 @@
                         {
                           "HttpServletRequest接口": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "HttpServletResponse接口": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "HttpSession接口": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "Cookie类": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "HttpServlet类": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -4278,13 +4651,15 @@
                         {
                           "其他的线程抽象：非嵌套方法调用": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "你希望线程为你带来什么": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -4298,25 +4673,29 @@
                         {
                           "Future风格的API": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "反应式风格的API": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "有害的睡眠及其他阻塞式操作": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "如何使用异步API进行异常处理": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -4344,13 +4723,15 @@
                         {
                           "背压": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "一种简单的真实背压": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -4379,13 +4760,15 @@
                         {
                           "将同步方法转换为异步方法": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "错误处理": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -4399,25 +4782,29 @@
                         {
                           "使用并行流对请求进行并行操作": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "使用CompletableFuture发起异步请求": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "寻找更好的方案": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "使用定制的执行器": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -4431,37 +4818,43 @@
                         {
                           "实现折扣服务": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "使用Discount服务": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "构造同步和异步操作": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "将两个CompletableFuture对象整合起来，无论它们是否存在依赖": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "对Future和Completable-Future的回顾": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "高效地使用超时机制": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -4475,7 +4868,8 @@
                         {
                           "对最佳价格查询器应用的优化": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -4497,13 +4891,15 @@
                         {
                           "应用层的反应式编程": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "反应式系统": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -4517,19 +4913,22 @@
                         {
                           "Flow类": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "创建你的第一个反应式应用": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "使用Processor转换数据": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -4543,7 +4942,8 @@
                         {
                           "转换及整合多个Observable": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -4557,13 +4957,15 @@
                         {
                           "通过反射构建对象": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "反射方法": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -4589,22 +4991,26 @@
                               {
                                 "主动创建对象": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "被动创建对象": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "Spring IoC阐述": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -4614,22 +5020,26 @@
                               {
                                 "Spring IoC容器的设计": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "Spring IoC容器的初始化和依赖注入": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "Spring Bean的生命周期": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -4647,28 +5057,33 @@
                               {
                                 "构造器注入": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "使用setter注入": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "接口注入": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "装配Bean概述": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -4678,22 +5093,26 @@
                               {
                                 "装配简易值": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "装配集合": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "命名空间装配": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -4703,46 +5122,54 @@
                               {
                                 "使用@Component装配Bean": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "自动装配——@Autowired": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "自动装配的歧义性（@Primary和@Qualifier）": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "装载带有参数的构造方法类": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "使用@Bean装配Bean": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "注解自定义Bean的初始化和销毁方法": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "装配的混合使用": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -4752,34 +5179,40 @@
                               {
                                 "使用注解@Profile配置": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "使用XML定义Profile": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "启动Profile": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "点睛": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "演示": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -4789,28 +5222,33 @@
                               {
                                 "使用注解方式加载属性文件": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "使用XML方式加载属性文件": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "条件化装配Bean": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "Bean的作用域": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -4820,16 +5258,19 @@
                               {
                                 "Spring EL相关的类": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "Spring EL运算": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -4847,22 +5288,26 @@
                               {
                                 "约定规则": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "读者的代码": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "笔者的代码": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -4872,22 +5317,26 @@
                               {
                                 "AOP的概念和使用原因": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "面向切面编程的术语": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "Spring对AOP的支持": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -4897,19 +5346,22 @@
                               {
                                 "选择切点": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "创建切面": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "连接点": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
@@ -4919,49 +5371,58 @@
                                     {
                                       "装配AOP": {
                                         "keywords": [],
-                                        "children": []
+                                        "children": [],
+                                        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                       }
                                     },
                                     {
                                       "使用注解装配AOP": {
                                         "keywords": [],
-                                        "children": []
+                                        "children": [],
+                                        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                       }
                                     },
                                     {
                                       "AOP避坑指南": {
                                         "keywords": [],
-                                        "children": []
+                                        "children": [],
+                                        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                       }
                                     }
-                                  ]
+                                  ],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "环绕通知": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "织入": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "给通知传递参数": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "引入": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -4971,40 +5432,47 @@
                               {
                                 "前置通知、后置通知、返回通知和异常通知": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "环绕通知": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "给通知传递参数": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "引入": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "经典Spring AOP应用程序": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "多个切面": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -5018,7 +5486,8 @@
                         {
                           "传统的JDBC代码的弊端": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -5028,22 +5497,26 @@
                               {
                                 "使用简单数据库配置": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "使用第三方数据库连接池": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "使用JNDI数据库连接池": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -5053,28 +5526,33 @@
                               {
                                 "jdbcTemplate的增、删、查、改": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "执行多条SQL": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "jdbcTemplate的源码分析": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "Spring的缺点": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -5092,22 +5570,26 @@
                               {
                                 "配置事务管理器": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "用Java配置方式实现Spring数据库事务": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "编程式事务": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -5117,28 +5599,33 @@
                               {
                                 "Transactional的配置项": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "使用XML进行配置事务管理器": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "事务定义器": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "声明式事务的约定流程": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -5148,22 +5635,26 @@
                               {
                                 "数据库事务ACID特性": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "丢失更新": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "隔离级别": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -5173,22 +5664,26 @@
                               {
                                 "选择隔离级别": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "传播行为": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "在Spring+MyBatis组合中使用事务": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -5198,22 +5693,26 @@
                               {
                                 "错误使用Service": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "过长时间占用事务": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "错误捕捉异常": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -5227,7 +5726,8 @@
                         {
                           "Java配置": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -5256,19 +5756,22 @@
                         {
                           "注解@RequestAttribute": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "注解@SessionAttribute和注解@SessionAttributes": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "注解@CookieValue和注解@RequestHeader": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -5282,13 +5785,15 @@
                         {
                           "使用JSR 303注解验证输入内容": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "使用验证器": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -5309,13 +5814,15 @@
                         {
                           "视图": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "视图解析器": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -5336,25 +5843,29 @@
                         {
                           "HttpMessageConverter和JSON消息转换器": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "一对一转换器（Converter）": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "数组和集合转换器GenericConverter": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "使用格式化器（Formatter）": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -5382,25 +5893,29 @@
                         {
                           "MessageSource接口": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "CookieLocaleResolver和SessionLocaleResolver": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "国际化拦截器（LocaleChangeInterceptor）": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "开发国际化": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -5414,7 +5929,8 @@
                         {
                           "示例": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -5435,7 +5951,8 @@
                         {
                           "示例": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -5449,7 +5966,8 @@
                         {
                           "示例": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -5463,7 +5981,8 @@
                         {
                           "示例": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -5477,7 +5996,8 @@
                         {
                           "示例": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -5491,19 +6011,22 @@
                         {
                           "第一类：直接导入配置类": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "第二类：依据条件选择配置类": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "第三类：动态注册Bean": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -5517,7 +6040,8 @@
                         {
                           "示例": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -5595,19 +6119,22 @@
                         {
                           "初试牛刀：筛选绿苹果": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "再展身手：把颜色作为参数": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "第三次尝试：对你能想到的每个属性做筛选": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -5628,25 +6155,29 @@
                         {
                           "匿名类": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "第五次尝试：使用匿名类": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "第六次尝试：使用Lambda表达式": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "第七次尝试：将List类型抽象化": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -5660,25 +6191,29 @@
                         {
                           "用Comparator来排序": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "用Runnable执行代码块": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "通过Callable返回结果": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "GUI事件处理": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -5704,22 +6239,26 @@
                               {
                                 "构建Configuration": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "构建映射器的内部组成": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "构建SqlSessionFactory": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -5729,40 +6268,47 @@
                               {
                                 "映射器（Mapper）的动态代理": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "SqlSession下的四大对象": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "插件接口": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "插件的初始化": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "插件的代理和反射设计": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "常用的工具类——MetaObject": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -5776,34 +6322,40 @@
                                     {
                                       "简单的select元素的应用": {
                                         "keywords": [],
-                                        "children": []
+                                        "children": [],
+                                        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                       }
                                     },
                                     {
                                       "自动映射和驼峰映射": {
                                         "keywords": [],
-                                        "children": []
+                                        "children": [],
+                                        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                       }
                                     },
                                     {
                                       "传递多个参数": {
                                         "keywords": [],
-                                        "children": []
+                                        "children": [],
+                                        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                       }
                                     },
                                     {
                                       "使用resultMap映射结果集": {
                                         "keywords": [],
-                                        "children": []
+                                        "children": [],
+                                        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                       }
                                     },
                                     {
                                       "分页参数RowBounds": {
                                         "keywords": [],
-                                        "children": []
+                                        "children": [],
+                                        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                       }
                                     }
-                                  ]
+                                  ],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
@@ -5813,34 +6365,40 @@
                                     {
                                       "简单的insert语句的应用": {
                                         "keywords": [],
-                                        "children": []
+                                        "children": [],
+                                        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                       }
                                     },
                                     {
                                       "主键回填": {
                                         "keywords": [],
-                                        "children": []
+                                        "children": [],
+                                        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                       }
                                     },
                                     {
                                       "自定义主键": {
                                         "keywords": [],
-                                        "children": []
+                                        "children": [],
+                                        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                       }
                                     }
-                                  ]
+                                  ],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "update元素和delete元素": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "sql元素": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
@@ -5850,16 +6408,19 @@
                                     {
                                       "存储过程参数支持": {
                                         "keywords": [],
-                                        "children": []
+                                        "children": [],
+                                        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                       }
                                     },
                                     {
                                       "特殊字符串的替换和处理（#和$）": {
                                         "keywords": [],
-                                        "children": []
+                                        "children": [],
+                                        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                       }
                                     }
-                                  ]
+                                  ],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
@@ -5869,22 +6430,26 @@
                                     {
                                       "resultMap元素的构成": {
                                         "keywords": [],
-                                        "children": []
+                                        "children": [],
+                                        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                       }
                                     },
                                     {
                                       "使用map存储结果集": {
                                         "keywords": [],
-                                        "children": []
+                                        "children": [],
+                                        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                       }
                                     },
                                     {
                                       "使用POJO存储结果集": {
                                         "keywords": [],
-                                        "children": []
+                                        "children": [],
+                                        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                       }
                                     }
-                                  ]
+                                  ],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
@@ -5894,40 +6459,47 @@
                                     {
                                       "MyBatis中的级联": {
                                         "keywords": [],
-                                        "children": []
+                                        "children": [],
+                                        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                       }
                                     },
                                     {
                                       "建立POJO": {
                                         "keywords": [],
-                                        "children": []
+                                        "children": [],
+                                        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                       }
                                     },
                                     {
                                       "配置映射文件": {
                                         "keywords": [],
-                                        "children": []
+                                        "children": [],
+                                        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                       }
                                     },
                                     {
                                       "延迟加载": {
                                         "keywords": [],
-                                        "children": []
+                                        "children": [],
+                                        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                       }
                                     },
                                     {
                                       "另一种级联": {
                                         "keywords": [],
-                                        "children": []
+                                        "children": [],
+                                        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                       }
                                     },
                                     {
                                       "多对多级联": {
                                         "keywords": [],
-                                        "children": []
+                                        "children": [],
+                                        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                       }
                                     }
-                                  ]
+                                  ],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
@@ -5937,16 +6509,19 @@
                                     {
                                       "一级缓存和二级缓存": {
                                         "keywords": [],
-                                        "children": []
+                                        "children": [],
+                                        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                       }
                                     },
                                     {
                                       "缓存配置项、自定义和引用": {
                                         "keywords": [],
-                                        "children": []
+                                        "children": [],
+                                        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                       }
                                     }
-                                  ]
+                                  ],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
@@ -5956,19 +6531,23 @@
                                     {
                                       "IN和OUT参数存储过程": {
                                         "keywords": [],
-                                        "children": []
+                                        "children": [],
+                                        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                       }
                                     },
                                     {
                                       "游标的使用": {
                                         "keywords": [],
-                                        "children": []
+                                        "children": [],
+                                        "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                       }
                                     }
-                                  ]
+                                  ],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
@@ -5978,40 +6557,47 @@
                               {
                                 "if元素": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "choose、when、otherwise元素": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "trim、where、set元素": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "foreach元素": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "用test的属性判断字符串": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               },
                               {
                                 "bind元素": {
                                   "keywords": [],
-                                  "children": []
+                                  "children": [],
+                                  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                                 }
                               }
-                            ]
+                            ],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -6118,13 +6704,15 @@
                         {
                           "函数式接口": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "函数描述符": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -6138,25 +6726,29 @@
                         {
                           "第 1 步：记得行为参数化": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "第 2 步：使用函数式接口来传递行为": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "第 3 步：执行一个行为": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "第 4 步：传递Lambda": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -6170,19 +6762,22 @@
                         {
                           "Predicate": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "Consumer": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "Function": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -6196,25 +6791,29 @@
                         {
                           "类型检查": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "同样的Lambda，不同的函数式接口": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "类型推断": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "使用局部变量": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -6228,13 +6827,15 @@
                         {
                           "管中窥豹": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "构造函数引用": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -6248,19 +6849,22 @@
                         {
                           "比较器复合": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "谓词复合": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "函数复合": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
@@ -6274,13 +6878,15 @@
                         {
                           "积分": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         },
                         {
                           "与Java 8的Lambda联系起来": {
                             "keywords": [],
-                            "children": []
+                            "children": [],
+                            "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
                           }
                         }
                       ]
diff --git a/src/common/__init__.py b/src/common/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/common/command_line.py b/src/common/command_line.py
new file mode 100644
index 0000000..b30fe94
--- /dev/null
+++ b/src/common/command_line.py
@@ -0,0 +1,81 @@
+# -*- coding: UTF-8 -*-
+
+import importlib
+
+
+def dispatch(config, options, actions, targets):
+    ''' 分发命令行 action '''
+    action_len = len(actions)
+    if action_len < 2:
+        return
+
+    index = 1
+    next = targets
+    action = actions[index]
+    print(f"[命令路由中..]: {actions[0]}")
+
+    while action_len >= index:
+        if type(next) == type({}):
+            if index == action_len:
+                if next.get('run') != None:
+                    print(f"[命令路由执行]:", '->'.join(actions))
+                    next['run']()
+                    break
+
+            action = actions[index]
+            if next.get(action) != None:
+                print(f"[命令路由中..]: {action}")
+                next = next[action]
+                index += 1
+            else:
+                print("[命令路由错误]: 未找到支持的命令行路由：", '->'.join(actions))
+                index += 1
+        else:
+            print(f"[命令路由执行]:", '->'.join(actions))
+
+            next()
+            index += 1
+            break
+
+
+def dispatch_runner(config, options, actions, targets):
+    ''' 分发命令行 action '''
+    action_len = len(actions)
+    if action_len < 2:
+        return
+
+    def load_and_run(target):
+        modules = target.split('.')
+        class_pos = len(modules)-2
+        path_pos = len(modules)-1
+
+        if class_pos >= 0 and modules[class_pos][0].isupper():
+            constructor = modules[class_pos]
+            runner = modules[path_pos]
+            module_path = '.'.join(modules[:class_pos])
+            importlib.import_module(module_path).__getattribute__(
+                constructor)(config, options).__getattribute__(runner)()
+        else:
+            runner = modules[path_pos]
+
+            module_path = '.'.join(modules[:path_pos])
+            importlib.import_module(module_path).__getattribute__(
+                runner)(config, options)
+
+    index = 1
+    next = targets
+    while action_len >= index:
+        if type(next) == type({}):
+            if index == action_len:
+                if next.get('run') != None:
+                    load_and_run(next['run'])
+                    break
+
+            action = actions[index]
+            if next.get(action) != None:
+                next = next[action]
+                index += 1
+        else:
+            load_and_run(next)
+            index += 1
+            break
diff --git a/src/common/logger.py b/src/common/logger.py
new file mode 100644
index 0000000..b873aa2
--- /dev/null
+++ b/src/common/logger.py
@@ -0,0 +1,77 @@
+# -*- coding: UTF-8 -*-
+import os
+import logging
+import platform
+
+from logging.handlers import RotatingFileHandler
+
+
+def is_osx():
+    p = platform.platform()
+    return p.find('macOS') >= 0 or p.find('Darwin') >= 0
+
+
+def get_root_log_dir(config, options):
+    action = 'default'
+    if options.action:
+        action = options.action
+    if is_osx():
+        return '/tmp/csdn/ai/{}'.format(action)
+    else:
+        is_dev = (options.cluster is None) or (options.cluster == 'dev')
+        if is_dev:
+            return '../log/csdn/ai/{}'.format(action)
+        else:
+            return '/var/csdn/csdn/ai/{}'.format(action)
+
+
+class TruncatedFileHandler(RotatingFileHandler):
+    '''
+    日志文件按固定大小自动分割
+    '''
+
+    def __init__(self, filename, mode='a', maxBytes=0, encoding=None, delay=0):
+        super(TruncatedFileHandler, self).__init__(
+            filename, mode, maxBytes, 0, encoding, delay)
+
+    def doRollover(self):
+        """Truncate the file"""
+        if self.stream:
+            self.stream.close()
+        dfn = self.baseFilename + ".1"
+        if os.path.exists(dfn):
+            os.remove(dfn)
+        os.rename(self.baseFilename, dfn)
+        os.remove(dfn)
+        self.mode = 'w'
+        self.stream = self._open()
+
+
+def init_log(config, options):
+    # 创建日志目录
+    root_log_dir = get_root_log_dir(config, options)
+    os.makedirs(root_log_dir, exist_ok=True)
+    print('root_log_dir:', root_log_dir)
+
+    # 文件日志控制器
+    log_filename = root_log_dir+'/app.log'
+    file_handler = TruncatedFileHandler(log_filename, "w", 10*1024)
+
+    # 控制台日志控制器
+    console_handler = logging.StreamHandler()
+
+    # 日志配置
+    logging.basicConfig(
+        # 日志格式
+        format="[%(levelname)s][%(asctime)s][%(filename)s:%(lineno)d at %(funcName)s]: %(message)s",
+        # 日期格式
+        datefmt='%Y-%m-%d %H:%M:%S',
+        # 日志级别
+        level=logging.INFO,
+        # 输出目标，日志文件+控制台
+        handlers=[
+            file_handler,
+            console_handler
+        ]
+    )
+
diff --git a/src/config/__init__.py b/src/config/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/config/config.py b/src/config/config.py
new file mode 100644
index 0000000..4ec9edd
--- /dev/null
+++ b/src/config/config.py
@@ -0,0 +1,57 @@
+# -*- coding: UTF-8 -*-
+import os
+import json
+from lib.apollo import ApolloClient
+
+
+def load_apollo_config(options):
+    '''
+    阿波罗配置加载
+    ===
+    * 如果是 `pro` 环境，则使用线上配置
+    * 否则，使用内网配置
+    '''
+    config_url = None
+    if options.cluster == 'pro':
+        config_url = 'http://pro.config.csdn.net:8080'
+    elif options.cluster == 'fat':
+        config_url = 'http://fat.config.csdn.net:8080'
+    elif options.cluster == 'uat':
+        config_url = 'http://uat.config.csdn.net:8080'
+    else:
+        config_url = 'http://dev.config.csdn.net:8080'
+
+    client = ApolloClient(
+        app_id="949",
+        cluster="default",
+        config_url=config_url,
+        start_hot_update=False
+    )
+    config = client.get_value("csdn-ai", namespace="application")
+    return json.loads(config)
+
+
+def load_config(options, args):
+    '''
+    配置加载
+    ===
+    * 如果本地 config/config 目录下存在配置，则使用本地配置文件
+    * 如果本地 config/config 目录下不存在配置，
+        * 默认使用 阿波罗配置中心 cluster=dev 配置
+        * 如果指定 --cluster，则使用指定 cluster 的阿波罗配置中心的配置
+    '''
+    profile_path = "config/config/{}.json".format(options.profile)
+    config = None
+    if options.cluster:
+        config = load_apollo_config(options)
+    else:
+        if os.path.exists(profile_path):
+            with open(profile_path, "r") as f:
+                config = json.loads(f.read())
+        else:
+            # try:
+            #     options.cluster = 'dev'
+            #     config = load_apollo_config(options)
+            # except:
+            config = {}
+    return config
diff --git a/src/lib/__init__.py b/src/lib/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/lib/apollo.py b/src/lib/apollo.py
new file mode 100644
index 0000000..5737e15
--- /dev/null
+++ b/src/lib/apollo.py
@@ -0,0 +1,392 @@
+# -*- coding: UTF-8 -*-
+import hashlib
+import sys
+import socket
+import logging
+import os
+import json
+import os
+import threading
+import inspect
+import ctypes
+import time
+import urllib.request
+from urllib.error import HTTPError
+from urllib import parse
+import yaml
+
+# 定义常量
+CONFIGURATIONS = "configurations"
+NOTIFICATION_ID = "notificationId"
+NAMESPACE_NAME = "namespaceName"
+
+
+# 对时间戳，uri，秘钥进行加签
+def signature(timestamp, uri, secret):
+    import hmac
+    import base64
+    string_to_sign = '' + timestamp + '\n' + uri
+    hmac_code = hmac.new(
+        secret.encode(), string_to_sign.encode(), hashlib.sha1).digest()
+    return base64.b64encode(hmac_code).decode()
+
+
+def url_encode_wrapper(params):
+    return url_encode(params)
+
+
+def no_key_cache_key(namespace, key):
+    return "{}{}{}".format(namespace, len(namespace), key)
+
+
+# 返回是否获取到的值，不存在则返回None
+def get_value_from_dict(namespace_cache, key):
+    if namespace_cache:
+        # print(namespace_cache)
+        kv_data = namespace_cache.get(CONFIGURATIONS)
+        if kv_data is None:
+            return None
+        if key in kv_data:
+            return kv_data[key]
+    return None
+
+
+def init_ip():
+    try:
+        s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+        s.connect(('8.8.8.8', 53))
+        ip = s.getsockname()[0]
+        return ip
+    finally:
+        s.close()
+    return ""
+
+
+def http_request(url, timeout, headers={}):
+    try:
+        request = urllib.request.Request(url, headers=headers)
+        res = urllib.request.urlopen(request, timeout=timeout)
+        body = res.read().decode("utf-8")
+        return res.code, body
+    except HTTPError as e:
+        if e.code == 304:
+            logging.getLogger(__name__).warning(
+                "http_request error,code is 304, maybe you should check secret")
+            return 304, None
+        logging.getLogger(__name__).warning(
+            "http_request error,code is %d, msg is %s", e.code, e.msg)
+        raise e
+
+
+def url_encode(params):
+    return parse.urlencode(params)
+
+
+def makedirs_wrapper(path):
+    os.makedirs(path, exist_ok=True)
+
+
+class ApolloClient(object):
+
+    def __init__(self, config_url, app_id, cluster='default', secret='', start_hot_update=True,
+                 change_listener=None, config_format='json', refresh=False):
+
+        # 核心路由参数
+        self.config_url = config_url
+        self.cluster = cluster
+        self.app_id = app_id
+
+        # 非核心参数
+        self.ip = init_ip()
+        self.secret = secret
+        self.config_format = config_format
+
+        # 检查参数变量
+
+        # 私有控制变量
+        self._cycle_time = 2
+        self._stopping = False
+        self._cache = {}
+        self._no_key = {}
+        self._hash = {}
+        self._pull_timeout = 75
+        self._cache_file_path = os.path.expanduser('~') + '/data/apollo/cache/'
+        self._long_poll_thread = None
+        self._change_listener = change_listener  # "add" "delete" "update"
+        self.refresh = refresh
+
+        if self.refresh:
+            try:
+                os.remove(self._cache_file_path)
+            except:
+                pass
+
+        # 私有启动方法
+        self._path_checker()
+        # if start_hot_update:
+        #     self._start_hot_update()
+
+        # 启动心跳线程
+        # heartbeat = threading.Thread(target=self._heartBeat)
+        # heartbeat.setDaemon(True)
+        # heartbeat.start()
+
+    def get_json_from_net(self, namespace='application'):
+        url = '{}/configs/{}/{}/{}?releaseKey={}&ip={}'.format(
+            self.config_url,
+            self.app_id,
+            self.cluster,
+            namespace,
+            "",
+            self.ip)
+        try:
+            print(url)
+            code, body = http_request(
+                url, timeout=3, headers=self._signHeaders(url))
+            # print(code, body)
+            if code == 200:
+                data = json.loads(body)
+
+                if self.config_format == 'yaml':
+                    data = yaml.load(data["configurations"]
+                                     ['content'], Loader=yaml.FullLoader)
+                else:
+                    data = data["configurations"]
+                    # print(data)
+                return_data = {CONFIGURATIONS: data}
+                # print('return_data:', return_data)
+                return return_data
+            else:
+                print('http_request error code', code)
+                return None
+        except Exception as e:
+            logging.getLogger(__name__).error(str(e))
+            return None
+
+    def get_value(self, key, default_val=None, namespace='application'):
+        try:
+            # 读取内存配置
+            # print('读取内存配置')
+            namespace_cache = self._cache.get(namespace)
+
+            val = get_value_from_dict(namespace_cache, key)
+            if val is not None:
+                # print('get value from cache')
+                return val
+
+            no_key = no_key_cache_key(namespace, key)
+            if no_key in self._no_key:
+                # print('get value from no_key_cache_key')
+                return default_val
+
+            # 读取网络配置
+            # print('读取网络配置')
+            namespace_data = self.get_json_from_net(namespace)
+            val = get_value_from_dict(namespace_data, key)
+            if val is not None:
+                # print('get_json_from_net:', namespace_cache)
+                self._update_cache_and_file(namespace_data, namespace)
+                return val
+
+            # 读取文件配置
+            # print('读取文件配置')
+            namespace_cache = self._get_local_cache(namespace)
+            val = get_value_from_dict(namespace_cache, key)
+            if val is not None:
+                # print('get_value_from_dict:', namespace_cache)
+                self._update_cache_and_file(namespace_cache, namespace)
+                return val
+
+            # 如果全部没有获取，则把默认值返回，设置本地缓存为None
+            # print('如果全部没有获取，则把默认值返回，设置本地缓存为None')
+            self._set_local_cache_none(namespace, key)
+            return default_val
+        except Exception as e:
+            logging.getLogger(__name__).error("get_value has error, [key is %s], [namespace is %s], [error is %s], ",
+                                              key, namespace, e)
+            return default_val
+
+    # 设置某个namespace的key为none，这里不设置default_val，是为了保证函数调用实时的正确性。
+    # 假设用户2次default_val不一样，然而这里却用default_val填充，则可能会有问题。
+    def _set_local_cache_none(self, namespace, key):
+        no_key = no_key_cache_key(namespace, key)
+        self._no_key[no_key] = key
+
+    def _start_hot_update(self):
+        self._long_poll_thread = threading.Thread(target=self._listener)
+        # 启动异步线程为守护线程，主线程推出的时候，守护线程会自动退出。
+        self._long_poll_thread.setDaemon(True)
+        self._long_poll_thread.start()
+
+    def stop(self):
+        self._stopping = True
+        logging.getLogger(__name__).info("Stopping listener...")
+
+    # 调用设置的回调函数，如果异常，直接try掉
+    def _call_listener(self, namespace, old_kv, new_kv):
+        if self._change_listener is None:
+            return
+        if old_kv is None:
+            old_kv = {}
+        if new_kv is None:
+            new_kv = {}
+        try:
+            for key in old_kv:
+                new_value = new_kv.get(key)
+                old_value = old_kv.get(key)
+                if new_value is None:
+                    # 如果newValue 是空，则表示key，value被删除了。
+                    self._change_listener("delete", namespace, key, old_value)
+                    continue
+                if new_value != old_value:
+                    self._change_listener("update", namespace, key, new_value)
+                    continue
+            for key in new_kv:
+                new_value = new_kv.get(key)
+                old_value = old_kv.get(key)
+                if old_value is None:
+                    self._change_listener("add", namespace, key, new_value)
+        except BaseException as e:
+            logging.getLogger(__name__).warning(str(e))
+
+    def _path_checker(self):
+        if not os.path.isdir(self._cache_file_path):
+            makedirs_wrapper(self._cache_file_path)
+
+    # 更新本地缓存和文件缓存
+
+    def _update_cache_and_file(self, namespace_data, namespace='application'):
+        # 不使用本地缓存
+        if self.refresh:
+            return
+
+        # 更新本地缓存
+        self._cache[namespace] = namespace_data
+        # 更新文件缓存
+        new_string = json.dumps(namespace_data)
+        new_hash = hashlib.md5(new_string.encode('utf-8')).hexdigest()
+        if self._hash.get(namespace) == new_hash:
+            pass
+        else:
+            with open(os.path.join(self._cache_file_path, '%s_configuration_%s.txt' % (self.app_id, namespace)),
+                      'w') as f:
+                f.write(new_string)
+            self._hash[namespace] = new_hash
+
+    # 从本地文件获取配置
+    def _get_local_cache(self, namespace='application'):
+        cache_file_path = os.path.join(
+            self._cache_file_path, '%s_configuration_%s.txt' % (self.app_id, namespace))
+        if os.path.isfile(cache_file_path):
+            with open(cache_file_path, 'r') as f:
+                result = json.loads(f.readline())
+            return result
+        return {}
+
+    def _long_poll(self):
+        notifications = []
+        for key in self._cache:
+            namespace_data = self._cache[key]
+            notification_id = -1
+            if NOTIFICATION_ID in namespace_data:
+                notification_id = self._cache[key][NOTIFICATION_ID]
+            notifications.append({
+                NAMESPACE_NAME: key,
+                NOTIFICATION_ID: notification_id
+            })
+        try:
+            # 如果长度为0直接返回
+            if len(notifications) == 0:
+                return
+            url = '{}/notifications/v2'.format(self.config_url)
+            params = {
+                'appId': self.app_id,
+                'cluster': self.cluster,
+                'notifications': json.dumps(notifications, ensure_ascii=False)
+            }
+            param_str = url_encode_wrapper(params)
+            url = url + '?' + param_str
+            code, body = http_request(
+                url, self._pull_timeout, headers=self._signHeaders(url))
+            http_code = code
+            if http_code == 304:
+                logging.getLogger(__name__).debug('No change, loop...')
+                return
+            if http_code == 200:
+                data = json.loads(body)
+                for entry in data:
+                    namespace = entry[NAMESPACE_NAME]
+                    n_id = entry[NOTIFICATION_ID]
+                    logging.getLogger(__name__).info(
+                        "%s has changes: notificationId=%d", namespace, n_id)
+                    self._get_net_and_set_local(
+                        namespace, n_id, call_change=True)
+                    return
+            else:
+                logging.getLogger(__name__).warning('Sleep...')
+        except Exception as e:
+            logging.getLogger(__name__).warning(str(e))
+
+    def _get_net_and_set_local(self, namespace, n_id, call_change=False):
+        namespace_data = self.get_json_from_net(namespace)
+        namespace_data[NOTIFICATION_ID] = n_id
+        old_namespace = self._cache.get(namespace)
+        self._update_cache_and_file(namespace_data, namespace)
+        if self._change_listener is not None and call_change:
+            old_kv = old_namespace.get(CONFIGURATIONS)
+            new_kv = namespace_data.get(CONFIGURATIONS)
+            self._call_listener(namespace, old_kv, new_kv)
+
+    def _listener(self):
+        logging.getLogger(__name__).info('start long_poll')
+        while not self._stopping:
+            self._long_poll()
+            time.sleep(self._cycle_time)
+        logging.getLogger(__name__).info("stopped, long_poll")
+
+    # 给header增加加签需求
+    def _signHeaders(self, url):
+        headers = {}
+        if self.secret == '':
+            return headers
+        uri = url[len(self.config_url):len(url)]
+        time_unix_now = str(int(round(time.time() * 1000)))
+        headers['Authorization'] = 'Apollo ' + self.app_id + \
+            ':' + signature(time_unix_now, uri, self.secret)
+        headers['Timestamp'] = time_unix_now
+        return headers
+
+    def _heartBeat(self):
+        while not self._stopping:
+            time.sleep(60 * 10)  # 10分钟
+            for namespace in self._notification_map:
+                self._do_heartBeat(namespace)
+
+    def _do_heartBeat(self, namespace):
+        release_key = self._release_key_map.get(namespace)
+        url = '{}/configs/{}/{}/{}?releaseKey={}&ip={}'.format(self.config_url, self.app_id, self.cluster, namespace,
+                                                               release_key, self.ip)
+        try:
+            code, body = http_request(
+                url, timeout=3, headers=self._signHeaders(url))
+            if code == 200:
+                data = json.loads(body)
+                self._release_key_map[namespace] = data["releaseKey"]
+                data = data["configurations"]
+                self._update_cache_and_file(data, namespace)
+            else:
+                return None
+        except Exception as e:
+            logging.getLogger(__name__).error(str(e))
+            return None
+
+
+if __name__ == "__main__":
+    client = ApolloClient(
+        app_id="949",
+        cluster="default",
+        config_url='http://dev.config.csdn.net:8080',
+        refresh=True
+    )
+    val = client.get_value("csdn-ai", namespace="application")
+    # print(val)
diff --git a/src/main.py b/src/main.py
new file mode 100644
index 0000000..f4d5880
--- /dev/null
+++ b/src/main.py
@@ -0,0 +1,45 @@
+# -*- coding: UTF-8 -*-
+from common.logger import init_log
+
+from config.config import load_config
+from options import parse_options, show_help
+from tree import gen_tree
+
+def test(config, options, actions):
+    import test as test
+    test.dispatch(config, options, actions)
+
+def tree(config, options, actions):
+    import test as test
+    gen_tree("../data")
+
+def run(options):
+    # 操作入口
+    if options.action is not None:
+        actions = options.action.split('.')
+        if len(actions) == 0:
+            return
+
+        print('@init config...')
+        config = load_config(options, args)
+        print('')
+
+        print('@init log...')
+        init_log(config, options)
+        print('')
+
+        print('@dispatch action:{}...'.format(options.action))
+        root_action = actions[0]
+        next = actions[1:]
+        dispatch = {
+            'test': lambda: test(config, options, next),
+            'tree': lambda: tree(config, options, next)
+        }
+        dispatch[root_action]()
+    else:
+        show_help()
+
+
+if __name__ == "__main__":
+    [options, args] = parse_options()
+    run(options)
diff --git a/src/options.py b/src/options.py
new file mode 100644
index 0000000..26dd98e
--- /dev/null
+++ b/src/options.py
@@ -0,0 +1,203 @@
+from optparse import OptionParser
+
+
+def parse_common_options(parser):
+    '''
+    ## 公共选项
+    * -t 或者 --tag_id : 某个操作限制到指定tag_id的数据范围
+    * --reset: 重置选项
+    * --tag_name: 标签名字 
+    * --model: 模型名字
+    * --log: 日志级别
+    * --train: 训练
+    * --port: 端口
+    * --show_config: 显示配置
+    * --count: 指定数量
+    * --query: 自定义查询
+    '''
+    parser.add_option(
+        "-t", "--tag_id",
+        dest="tag_id",
+        help="tag_id",
+        metavar="TAG_ID"
+    )
+
+    parser.add_option(
+        "--reset",
+        dest="reset",
+        help="reset",
+        action="store_true",
+        metavar="RESET"
+    )
+
+    parser.add_option(
+        "--tag_name",
+        dest="tag_name",
+        help="tag_name",
+        metavar="TAG_NAME"
+    )
+
+    parser.add_option(
+        "--model",
+        dest="model",
+        help="model",
+        metavar="MODEL"
+    )
+
+    parser.add_option(
+        "--log",
+        dest="log",
+        help="log",
+        metavar="LOG"
+    )
+
+    parser.add_option(
+        "--train",
+        dest="train",
+        help="train",
+        action="store_true",
+        metavar="TRAIN"
+    )
+
+    parser.add_option(
+        "--port",
+        dest="port",
+        help="port",
+        metavar="PORT"
+    )
+
+    parser.add_option(
+        "--server",
+        dest="server",
+        help="server",
+        metavar="SERVER"
+    )
+
+    parser.add_option(
+        "--show_config",
+        dest="show_config",
+        help="show_config",
+        metavar="SHOW_CONFIG"
+    )
+
+    parser.add_option(
+        "--count",
+        dest="count",
+        help="count",
+        metavar="COUNT"
+    )
+
+    parser.add_option(
+        "--query",
+        dest="query",
+        help="query",
+        metavar="QUERY"
+    )
+
+
+def parse_profile_options(parser):
+    '''
+    ## 环境配置选项
+    * -p 或 --profile 指定配置环境,可选的有 `dev`, `fat`, `pre`, `pro`
+    * 如果本地 config/config 目录下存在配置，则使用本地配置文件
+    * 如果本地 config/config 目录下不存在配置，
+        * 默认使用 阿波罗配置中心 cluster=dev 配置
+        * 如果指定 --cluster，则使用指定 cluster 的阿波罗配置中心的配置
+    '''
+
+    parser.add_option(
+        "-p", "--profile",
+        dest="profile",
+        help="profile",
+        default='pro',
+        metavar="PROFILE"
+    )
+
+    parser.add_option(
+        "--cluster",
+        dest="cluster",
+        help="cluster",
+        metavar="REMOTE"
+    )
+
+
+def parse_action_options(parser):
+    '''
+    ## 操作选项
+    * -a 或 --action 指定了操作目标，多级目标用点号分割，例如: 
+        * -a dataset.build.tag.all
+        * -a server.ask
+        * -a test.code
+        * 参考[README](./README.md)
+    '''
+    parser.add_option(
+        "-a", "--action",
+        dest="action",
+        help="action",
+        metavar="ACTION"
+    )
+
+
+def parse_test_options(parser):
+    '''
+    ## 测试选项
+    执行 -a test.xx 测试时默认执行冒烟测试，下面的选项改变行为
+    * --label 指定执行测试并生成待标注数据
+    * --count 指定标注上限
+    '''
+    parser.add_option(
+        "--label",
+        dest="label",
+        help="label",
+        action="store_true",
+        metavar="LABEL"
+    )
+
+
+def parse_db_options(parser):
+    '''
+    ## 数据库 migrate 选项
+    * --message 传入一个消息变量，db.migrate action 接收此参数
+    * --revision 传入版本参数，db.upgrade, db.downgrade, db.stamp, db.show, db.edit 接受此参数
+    '''
+    parser.add_option(
+        "--message",
+        dest="message",
+        help="message",
+        metavar="MESSAGE"
+    )
+    parser.add_option(
+        "--revision",
+        dest="revision",
+        help="revision",
+        metavar="REVISION"
+    )
+
+
+def parse_options():
+    parser = OptionParser()
+
+    parse_common_options(parser)
+    parse_profile_options(parser)
+    parse_action_options(parser)
+    parse_test_options(parser)
+    parse_db_options(parser)
+
+    (options, args) = parser.parse_args()
+    return [options, args]
+
+
+def show_help():
+    '''
+    命令行选项说明:
+    ==
+    '''
+
+    help = '\n'.join([
+        show_help.__doc__,
+        parse_common_options.__doc__,
+        parse_profile_options.__doc__,
+        parse_action_options.__doc__
+    ])
+
+    print(help)
diff --git a/src/tree.py b/src/tree.py
index 3eba573..58a84d4 100644
--- a/src/tree.py
+++ b/src/tree.py
@@ -51,10 +51,17 @@ def gen_tree(data_path):
             if os.path.isdir(no_dir):
                 yield no_dir, no_name
 
-    def ensure_node_id(cfg_path, cfg):
-        if cfg.get('node_id') is None:
-            cfg['node_id'] = gen_node_id()
-            dump_json(cfg_path, cfg, exist_ok=True, override=True)
+    def ensure_id_helper(node):
+        if node.get('node_id') is None:
+            node['node_id'] = gen_node_id()
+
+        if 'children' in node:
+            for c in node["children"]:
+                ensure_id_helper(list(c.values())[0])
+    
+    def ensure_node_id(cfg_path, cfg):    
+        ensure_id_helper(cfg)
+        dump_json(cfg_path, cfg, exist_ok=True, override=True)
 
     def make_node(name, node_id, keywords, children=None):
         node = {}
@@ -89,6 +96,8 @@ def gen_tree(data_path):
             level_name, cfg['node_id'], cfg['keywords'])
         tree_node['children'].append(level_node)
 
+        
+
         # 章节点
         for chapter_no_dir, chapter_no_name in list_dir(level_no_dir):
             no, chapter_name = parse_no_name(chapter_no_name)
@@ -104,8 +113,8 @@ def gen_tree(data_path):
             for section_no_dir, section_no_name in list_dir(chapter_no_dir):
                 no, section_name = parse_no_name(section_no_name)
                 cfg_path = os.path.join(section_no_dir, 'config.json')
-                ensure_node_id(cfg_path, cfg)
                 cfg = load_json(cfg_path)
+                ensure_node_id(cfg_path, cfg)
 
                 section_node, section_node_children = make_node(
                     section_name, cfg['node_id'], cfg['keywords'], cfg['children'])
-- 
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