From 9d48f8dea1523385a40ba21cbea8290096257f7d Mon Sep 17 00:00:00 2001
From: luxin <xinlu.nlp@foxmail.com>
Date: Fri, 1 Apr 2022 17:08:38 +0800
Subject: [PATCH] remove nodes more than 5 children

---
 data/tree.json | 1049 +++++++++++++-----------------------------------
 1 file changed, 284 insertions(+), 765 deletions(-)

diff --git a/data/tree.json b/data/tree.json
index 1853890..b8d46b9 100644
--- a/data/tree.json
+++ b/data/tree.json
@@ -28,7 +28,8 @@
                           "源代码"
                         ]
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -42,7 +43,8 @@
                       "keywords_must": [
                         "编译"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -56,7 +58,8 @@
                       "keywords_must": [
                         "运行机制"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -70,7 +73,8 @@
                         "CLASSPATH",
                         "JAVAHOME"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -84,12 +88,14 @@
                       "keywords_must": [
                         "maven"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": []
+                "keywords_forbid": [],
+                "group": 0
               }
             },
             {
@@ -108,7 +114,8 @@
                       "keywords_must": [
                         "语法格式"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -121,7 +128,8 @@
                       "keywords_must": [
                         "注释"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -135,12 +143,14 @@
                       "keywords_must": [
                         "关键字"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": []
+                "keywords_forbid": [],
+                "group": 0
               }
             },
             {
@@ -161,7 +171,8 @@
                         "变量的定义",
                         "变量定义"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -175,7 +186,8 @@
                       "keywords_must": [
                         "数据类型"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -191,7 +203,8 @@
                       "keywords_must": [
                         "常量"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -206,12 +219,14 @@
                       "keywords_must": [
                         "作用域"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": []
+                "keywords_forbid": [],
+                "group": 0
               }
             },
             {
@@ -238,7 +253,8 @@
                         "不等于",
                         "比较运算符"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -253,7 +269,8 @@
                       "keywords_must": [
                         "逻辑运算符"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -267,12 +284,14 @@
                       "keywords_must": [
                         "算术运算符"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": []
+                "keywords_forbid": [],
+                "group": 0
               }
             },
             {
@@ -295,7 +314,8 @@
                         "if语句",
                         "if"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -311,12 +331,14 @@
                       "keywords_must": [
                         "switch"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": []
+                "keywords_forbid": [],
+                "group": 0
               }
             },
             {
@@ -338,7 +360,8 @@
                         "do",
                         "while"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -352,12 +375,14 @@
                       "keywords_must": [
                         "for"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": []
+                "keywords_forbid": [],
+                "group": 0
               }
             },
             {
@@ -377,7 +402,8 @@
                         "Collection接口",
                         "collection"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -425,7 +451,8 @@
                         "列表",
                         "List接口"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -456,23 +483,14 @@
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
-                        },
-                        {
-                          "JDK 8的forEach遍历集合": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-33bb9663a9e941c19e0e28bfdc9cfc0c",
-                            "title": "JDK 8的forEach遍历集合",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
                         }
                       ],
                       "keywords_must": [
                         "遍历",
                         "迭代"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -518,7 +536,8 @@
                         "set",
                         "集合"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -535,7 +554,7 @@
                             "keywords": [],
                             "children": [],
                             "node_id": "java-d5f0355891b4454f959628df25004459",
-                            "title": "Map接口简介",
+                            "title": "Map接口",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
@@ -550,16 +569,6 @@
                             "keywords_forbid": []
                           }
                         },
-                        {
-                          "Map集合遍历": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-4f293ef4f50f441d8e45935103f4c70f",
-                            "title": "Map集合遍历",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
                         {
                           "TreeMap集合": {
                             "keywords": [],
@@ -568,22 +577,14 @@
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
-                        },
-                        {
-                          "Properties集合": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-4c352b41a0c1470da4a65df2e237a0c0",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
                         }
                       ],
                       "keywords_must": [
                         "Map接口",
                         "map"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -618,7 +619,8 @@
                       "keywords_must": [
                         "集合框架"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -632,7 +634,8 @@
                       "keywords_must": [
                         "链表"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -647,7 +650,8 @@
                         "数组列表",
                         "ArrayList"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -662,7 +666,8 @@
                         "散列集",
                         "HashSet"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -677,7 +682,8 @@
                         "树集",
                         "treeset"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -699,35 +705,6 @@
                             "keywords_forbid": []
                           }
                         },
-                        {
-                          "更新映射条目": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-27cbca6c546945238e456fd1402f59b4",
-                            "title": "更新映射条目",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "映射视图": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-f48bf1d3221842f9b45543b1705f870c",
-                            "title": "映射视图",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "弱散列映射": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-ad195243648f4d1b851248f893dbeadd",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
                         {
                           "链接散列集与映射": {
                             "keywords": [],
@@ -745,21 +722,13 @@
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
-                        },
-                        {
-                          "标识散列映射": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-2f1a04fac2d742e3956e8f633d7fab60",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
                         }
                       ],
                       "keywords_must": [
                         "映射"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -804,7 +773,8 @@
                       "keywords_must": [
                         "遗留的集合"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -820,7 +790,8 @@
                         "equals",
                         "hashCode"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -835,7 +806,8 @@
                       "keywords_must": [
                         "TreeMap"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -851,7 +823,8 @@
                         "属性",
                         "Properties"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -866,12 +839,14 @@
                         "Deque",
                         "双端队列"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": []
+                "keywords_forbid": [],
+                "group": 0
               }
             },
             {
@@ -900,7 +875,8 @@
                       "keywords_must": [
                         "算术操作符"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -915,7 +891,8 @@
                         "自动递增",
                         "自动递减"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -940,7 +917,8 @@
                         "关系运算符",
                         "关系操作符"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -968,7 +946,8 @@
                         "逻辑操作符",
                         "逻辑运算符"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -986,7 +965,8 @@
                         "bit",
                         "比特"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -1004,7 +984,8 @@
                         "左移",
                         "右移"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -1019,7 +1000,8 @@
                         "三元操作符",
                         "三元运算符"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -1033,12 +1015,14 @@
                         "字符串操作符",
                         "字符串运算符"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": []
+                "keywords_forbid": [],
+                "group": 0
               }
             },
             {
@@ -1059,7 +1043,8 @@
                         "if",
                         "else"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -1077,7 +1062,8 @@
                         "for循环",
                         "foreach"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -1091,7 +1077,8 @@
                       "keywords_must": [
                         "switch"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -1118,54 +1105,7 @@
                         {
                           "捕获异常": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "try块": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "java-9483eeb4d68842488b3acbc8c9764322",
-                                  "title": "try块",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "异常处理程序": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "java-34829a03d7b041198477e09029c37f49",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "f?inally子句": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "java-27871ba11aeb4aefa542e4ac87620018",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "try-with-Resources语句": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "java-20c0416fd93848d182e67ffa2cc67e35",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "分析堆栈轨迹元素": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "java-fc4ca42328554153846c7ac13704d030",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
+                            "children": [],
                             "node_id": "java-a2f7a14e5a2743e297ae25d808b6a5aa",
                             "title": "捕获异常",
                             "keywords_must": [],
@@ -1382,7 +1322,8 @@
                         "catch",
                         "finally"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -1397,12 +1338,14 @@
                         "函数",
                         "function"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": []
+                "keywords_forbid": [],
+                "group": 0
               }
             },
             {
@@ -1424,7 +1367,8 @@
                         "类",
                         "面向对象"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -1439,7 +1383,8 @@
                       "keywords_must": [
                         "抽象类"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -1454,7 +1399,8 @@
                       "keywords_must": [
                         "接口"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -1469,12 +1415,14 @@
                       "keywords_must": [
                         "匿名类"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": []
+                "keywords_forbid": [],
+                "group": 0
               }
             },
             {
@@ -1493,7 +1441,8 @@
                       "keywords_must": [
                         "字节流"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -1508,17 +1457,20 @@
                       "keywords_must": [
                         "File"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": []
+                "keywords_forbid": [],
+                "group": 0
               }
             }
           ],
           "keywords_must": [],
-          "keywords_forbid": []
+          "keywords_forbid": [],
+          "group": 0
         }
       },
       {
@@ -1545,7 +1497,8 @@
                         "流概述",
                         "stream"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -1562,7 +1515,8 @@
                         "随机访问文件",
                         "RandomAccessFile"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -1602,7 +1556,8 @@
                         "输入流",
                         "输出流"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -1647,7 +1602,8 @@
                         "reader",
                         "writer"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -1664,7 +1620,8 @@
                         "serialize",
                         "serializable"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -1705,7 +1662,8 @@
                       "keywords_must": [
                         "ZIP压缩"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -1721,7 +1679,8 @@
                       "keywords_must": [
                         "InputStream"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -1737,12 +1696,14 @@
                       "keywords_must": [
                         "OutputStream"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": []
+                "keywords_forbid": [],
+                "group": 0
               }
             },
             {
@@ -1759,42 +1720,12 @@
                         "database",
                         "driver"
                       ],
-                      "children": [
-                        {
-                          "JDBC-ODBC桥": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-5decb41b064a492db20362e136c0b2e2",
-                            "title": "JDBC-ODBC桥",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "JDBC技术": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-e89787459ec64fbeb80a9ba3cc7eac54",
-                            "title": "JDBC技术",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "JDBC驱动程序的类型": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-df3cd40dc360446296cf9c97f3a72e61",
-                            "title": "JDBC驱动程序的类型",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
+                      "children": [],
                       "keywords_must": [
                         "JDBC概述"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -1831,16 +1762,6 @@
                             "keywords_forbid": []
                           }
                         },
-                        {
-                          "动态查询": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-d54f7e1e96ad44d3bf7240f694e2e53c",
-                            "title": "动态查询",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
                         {
                           "添加、修改、删除记录": {
                             "keywords": [],
@@ -1850,79 +1771,6 @@
                             "keywords_forbid": []
                           }
                         },
-                        {
-                          "数据库基础知识": {
-                            "keywords": [],
-                            "children": [
-                              {
-                                "什么是数据库": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "java-668c52db99de4dad9483809106b38932",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "数据库的种类及功能": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "java-70a72823b0534f5e9bc397af6b3674f1",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "SQL语言": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "java-93da6e5c26914eb7926261276e4b3d3c",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "java-987b58f5cc48422f899ac000d51c5bae",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "向数据库发送SQL语句": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-a78e2ce00e4a443e9caccf68836c259c",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "处理查询结果集": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-98f0846a37ce4528b8a44c656cbc1bef",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "顺序查询": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-10964bbc05c6429aa0a416ffe3d72530",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "模糊查询": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-bb40f3c631dc4da9a045c47a5a2fcdab",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
                         {
                           "预处理语句": {
                             "keywords": [],
@@ -1936,12 +1784,14 @@
                       "keywords_must": [
                         "数据库"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": []
+                "keywords_forbid": [],
+                "group": 0
               }
             },
             {
@@ -1959,7 +1809,8 @@
                       "keywords_must": [
                         "nio"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -1974,7 +1825,8 @@
                         "buffer",
                         "缓冲器"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -1989,7 +1841,8 @@
                         "channel",
                         "通道"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -2004,7 +1857,8 @@
                         "字符集",
                         "charset"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -2021,7 +1875,8 @@
                         "文件锁",
                         "lock"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -2036,7 +1891,8 @@
                       "keywords_must": [
                         "Path接口"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -2050,12 +1906,14 @@
                       "keywords_must": [
                         "Files"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": []
+                "keywords_forbid": [],
+                "group": 0
               }
             },
             {
@@ -2092,16 +1950,6 @@
                             "keywords_forbid": []
                           }
                         },
-                        {
-                          "InetAddress": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-081281446cac46e6ace10be5b85ed596",
-                            "title": "InetAddress",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
                         {
                           "UDP与TCP协议": {
                             "keywords": [],
@@ -2115,7 +1963,8 @@
                       "keywords_must": [
                         "网络编程"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -2137,26 +1986,6 @@
                             "keywords_forbid": []
                           }
                         },
-                        {
-                          "DatagramPacket": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-e2a796a931bf4aa7bb204a05d18dd2ca",
-                            "title": "DatagramPacket",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "DatagramSocket": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-c498a7116c9548b283eac0a3bc3e9766",
-                            "title": "DatagramSocket",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
                         {
                           "UDP网络程序": {
                             "keywords": [],
@@ -2165,21 +1994,13 @@
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
-                        },
-                        {
-                          "UDP案例——聊天程序": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-2648409476dd4809aab31299bb47a782",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
                         }
                       ],
                       "keywords_must": [
                         "udp"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -2219,39 +2040,13 @@
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
-                        },
-                        {
-                          "简单的TCP网络程序": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-c084edbe768a4d43bcf551c5d3b37fa3",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "多线程的TCP网络程序": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-dcc1f999ffc84bb69344c2a233f516c4",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "TCP案例——文件上传": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-fcc2a6b66f9a4cbf954d86635df20a8a",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
                         }
                       ],
                       "keywords_must": [
                         "tcp"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -2285,7 +2080,8 @@
                       "keywords_must": [
                         "基本网络支持"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -2320,7 +2116,8 @@
                       "keywords_must": [
                         "代理服务器"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -2336,31 +2133,21 @@
                       ],
                       "children": [
                         {
-                          "发送同步GET请求": {
+                          "同步请求": {
                             "keywords": [],
                             "children": [],
                             "node_id": "java-f6d4f9e683b84e53ad0b1c5c2c9c4988",
-                            "title": "发送同步GET请求",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "发送带请求体的请求": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-f1d63ba6664747239aa3b84f697b1a84",
-                            "title": "发送带请求体的请求",
+                            "title": "同步请求",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "发送异步请求": {
+                          "异步请求": {
                             "keywords": [],
                             "children": [],
                             "node_id": "java-d0d1295efbec421b87d66ca663629d36",
-                            "title": "发送异步请求",
+                            "title": "异步请求",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
@@ -2373,26 +2160,19 @@
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
-                        },
-                        {
-                          "基于WebSocket的多人实时聊天": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-b6be48e26bf5490f8337daad17059e6c",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
                         }
                       ],
                       "keywords_must": [
                         "HTTP Client"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": []
+                "keywords_forbid": [],
+                "group": 0
               }
             },
             {
@@ -2443,7 +2223,8 @@
                       "keywords_must": [
                         "Class对象"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -2488,7 +2269,8 @@
                       "keywords_must": [
                         "类型转换"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -2502,7 +2284,8 @@
                         "instanceof",
                         "等价性"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -2514,169 +2297,21 @@
                       ],
                       "children": [
                         {
-                          "类方法抽取器": {
+                          "Annotation": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "java-5149ec714a624c8da96f195b7de73419",
-                            "title": "类方法抽取器",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "Class类与Java反射": {
-                            "keywords": [],
-                            "children": [
-                              {
-                                "访问构造方法": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "java-6dd73a33a7aa42f8b60f237a539568fe",
-                                  "title": "访问构造方法",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "访问成员变量": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "java-5dd955d5f50747feb3ed19c8ee1ba8b2",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "访问方法": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "java-c9513a7b28ec47bfa13c0656e7196f55",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "java-9be972504f4440079f535753d8d73811",
-                            "title": "Class类与Java反射",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "使用Annotation功能": {
-                            "keywords": [],
-                            "children": [
-                              {
-                                "定义Annotation类型": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "java-e06a14d142c04858a017baf0ab1adf29",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "访问Annotation信息": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "java-f8aa68a5a30f450ca21af672448a653f",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
                             "node_id": "java-f288867c2d654836b9d93af8790b67b0",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
-                        },
-                        {
-                          "声明异常入门": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-d35d19ec1d154b9d9e6e06a147305f9e",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "资源": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-c03a7a45c5c246ceba0ac3df1e426fb6",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "利用反射分析类的能力": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-170ca43f1b46492d94594937635cda12",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "使用反射在运行时分析": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-046f5ea7441847a0be59cd9b07cefa2c",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "使用反射编写泛型数组": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-0a28c7f21a6a4a48ba3ad52eb364410f",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "访问字段": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-111c415f827c4db698e003a2365357e9",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "调用方法": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-6a24720b8a4c4102aef7aa8c5ddeb870",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "调用构造方法": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-d7ab012406a049518931e809cc364c81",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "获取继承关系": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-9e70bf59fb9d4a52b22981b15001f420",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
                         }
                       ],
                       "keywords_must": [
                         "反射",
                         "运行时类信息"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -2689,7 +2324,8 @@
                       "keywords_must": [
                         "动态代理"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -2713,12 +2349,14 @@
                       "keywords_must": [
                         "空对象"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": []
+                "keywords_forbid": [],
+                "group": 0
               }
             },
             {
@@ -2739,7 +2377,8 @@
                         "功能",
                         "方法"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -2754,7 +2393,8 @@
                         "功能",
                         "方法"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -2768,7 +2408,8 @@
                       "keywords_must": [
                         "存储顺序"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -2805,7 +2446,8 @@
                         "队列",
                         "queue"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -2852,7 +2494,8 @@
                         "map",
                         "字典"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -2862,16 +2505,6 @@
                         "数据结构"
                       ],
                       "children": [
-                        {
-                          "性能测试框架": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-ab0d376e43cc44da80b4954054eeca9d",
-                            "title": "性能测试框架",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
                         {
                           "对List的选择": {
                             "keywords": [],
@@ -2882,16 +2515,6 @@
                             "keywords_forbid": []
                           }
                         },
-                        {
-                          "微基准测试的危险": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-f900efdf13e84d668476fa6150381f52",
-                            "title": "微基准测试的危险",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
                         {
                           "对Set的选择": {
                             "keywords": [],
@@ -2914,7 +2537,8 @@
                       "keywords_must": [
                         "选择接口"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -2933,37 +2557,19 @@
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
-                        },
-                        {
-                          "设定Collection或Map为不可修改": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-7a7a4d7e8d234834a8ee9a9e89aca406",
-                            "title": "设定Collection或Map为不可修改",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "Collection或Map的同步控制": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-103035017b954141a825adce390593fa",
-                            "title": "Collection或Map的同步控制",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
                         }
                       ],
                       "keywords_must": [
                         "Collections"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": []
+                "keywords_forbid": [],
+                "group": 0
               }
             },
             {
@@ -3003,7 +2609,8 @@
                       "keywords_must": [
                         "注解"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -3018,7 +2625,8 @@
                       "keywords_must": [
                         "apt"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -3030,58 +2638,20 @@
                         "测试",
                         "annotation"
                       ],
-                      "children": [
-                        {
-                          "将@Unit用于泛型": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-778a97d11dfe4373b20080ce72b104e8",
-                            "title": "将@Unit用于泛型",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "不需要任何“套件”": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-88b23041c80c4551a59f2ef8fee4ed3c",
-                            "title": "不需要任何“套件”",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "实现@Unit": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-52985edbfc4d43c294ef641f2be124fe",
-                            "title": "实现@Unit",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "移除测试代码": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-12dbc9262a89470a8856d7dbb4224125",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
+                      "children": [],
                       "keywords_must": [
                         "junit",
                         "单元测试",
                         "annotation"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": []
+                "keywords_forbid": [],
+                "group": 0
               }
             },
             {
@@ -3120,7 +2690,8 @@
                       "keywords_must": [
                         "并发"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -3153,16 +2724,6 @@
                             "keywords_forbid": []
                           }
                         },
-                        {
-                          "线程名": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-ae11718ecefd44f1b7d490def20f1b7c",
-                            "title": "线程名",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
                         {
                           "未捕获异常的处理器": {
                             "keywords": [],
@@ -3176,7 +2737,8 @@
                       "keywords_must": [
                         "线程属性"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -3189,26 +2751,6 @@
                         "并行"
                       ],
                       "children": [
-                        {
-                          "新建线程": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-cae8cf168615440ba1790fe654a47e55",
-                            "title": "新建线程",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "可运行线程": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-9be56d2a991f4dea839c68854bb6c9cb",
-                            "title": "可运行线程",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
                         {
                           "阻塞和等待线程": {
                             "keywords": [],
@@ -3232,7 +2774,8 @@
                       "keywords_must": [
                         "线程状态"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -3246,7 +2789,7 @@
                       ],
                       "children": [
                         {
-                          "wait（）与notifyAll（）": {
+                          "wait 与 notify": {
                             "keywords": [],
                             "children": [],
                             "node_id": "java-0f812098999a4df2a9b41955308ba530",
@@ -3255,16 +2798,6 @@
                             "keywords_forbid": []
                           }
                         },
-                        {
-                          "notify（）与notifyAll（）": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-abcb15b0ad184d03a5753e33bb8ebdf7",
-                            "title": "notify（）与notifyAll（）",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
                         {
                           "生产者与消费者": {
                             "keywords": [],
@@ -3289,7 +2822,8 @@
                         "线程之间的协作",
                         "线程协作"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -3306,7 +2840,8 @@
                       "keywords_must": [
                         "死锁"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -3348,59 +2883,26 @@
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
-                        },
-                        {
-                          "并发集视图": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-7cb205a0b7014e329f429be5f25d64f7",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "写数组的拷贝": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-e8873f2f78a64203b681e00536806448",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "并行数组算法": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-d29e14c52c544690bce9b05c1a669a71",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "较早的线程安全集合": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "java-32f3143dddff4cad846b9523d791c7b6",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
                         }
                       ],
                       "keywords_must": [
                         "线程安全的集合",
                         "线程安全集合"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": []
+                "keywords_forbid": [],
+                "group": 0
               }
             }
           ],
           "keywords_must": [],
-          "keywords_forbid": []
+          "keywords_forbid": [],
+          "group": 0
         }
       },
       {
@@ -3424,7 +2926,8 @@
                       "keywords_must": [
                         "行为抽象"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -3441,7 +2944,8 @@
                       "keywords_must": [
                         "lambda"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -3456,7 +2960,8 @@
                         "流",
                         "stream"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -3471,7 +2976,8 @@
                       "keywords_must": [
                         "收集器"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -3487,7 +2993,8 @@
                         "分组",
                         "group by"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -3503,12 +3010,14 @@
                         "分区",
                         "partition by"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": []
+                "keywords_forbid": [],
+                "group": 0
               }
             },
             {
@@ -3528,7 +3037,8 @@
                         "optional",
                         "null"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -3543,12 +3053,14 @@
                         "optional",
                         "一致性"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": []
+                "keywords_forbid": [],
+                "group": 0
               }
             },
             {
@@ -3571,7 +3083,8 @@
                         "线程",
                         "thread"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   },
                   {
@@ -3588,12 +3101,14 @@
                         "异步",
                         "future"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": []
+                "keywords_forbid": [],
+                "group": 0
               }
             },
             {
@@ -3611,21 +3126,25 @@
                       "keywords_must": [
                         "Java问答"
                       ],
-                      "keywords_forbid": []
+                      "keywords_forbid": [],
+                      "group": 0
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": []
+                "keywords_forbid": [],
+                "group": 0
               }
             }
           ],
           "keywords_must": [],
-          "keywords_forbid": []
+          "keywords_forbid": [],
+          "group": 0
         }
       }
     ],
     "keywords_must": [],
-    "keywords_forbid": []
+    "keywords_forbid": [],
+    "group": 0
   }
 }
\ No newline at end of file
-- 
GitLab