add prefix for node id

data/1.C语言初阶/1.C语言概述/1.C语言发展史/config.json

 {
-  "node_id": "8c3cdf9ae7b547adbd99c360246bf2b2",
+  "node_id": "c-8c3cdf9ae7b547adbd99c360246bf2b2",
   "keywords": [
     "C语言发展史",
     "发展史",
@@ -14,7 +14,7 @@
           "C语言"
         ],
         "children": [],
-        "node_id": "b757bffed2d44911ad55ae9374780047"
+        "node_id": "c-b757bffed2d44911ad55ae9374780047"
       }
     },
     {
@@ -27,7 +27,7 @@
           "C语言"
         ],
         "children": [],
-        "node_id": "c5762edbdbe44ba393f94c7d0d7a68dc"
+        "node_id": "c-c5762edbdbe44ba393f94c7d0d7a68dc"
       }
     }
   ],

data/1.C语言初阶/1.C语言概述/2.C语言特点/config.json

@@ -14,7 +14,7 @@
           "方便灵活"
         ],
         "children": [],
-        "node_id": "935a8ec4304e4baeab807fd942083569"
+        "node_id": "c-935a8ec4304e4baeab807fd942083569"
       }
     },
     {
@@ -24,7 +24,7 @@
           "移植性"
         ],
         "children": [],
-        "node_id": "625c837502cb433baff57f1cd8761c78"
+        "node_id": "c-625c837502cb433baff57f1cd8761c78"
       }
     },
     {
@@ -34,7 +34,7 @@
           "表达能力"
         ],
         "children": [],
-        "node_id": "9b08f3bd683d42acb7ac01a13fd68743"
+        "node_id": "c-9b08f3bd683d42acb7ac01a13fd68743"
       }
     },
     {
@@ -44,7 +44,7 @@
           "表达方式"
         ],
         "children": [],
-        "node_id": "672382c87e63401286f14b0ce15ece77"
+        "node_id": "c-672382c87e63401286f14b0ce15ece77"
       }
     },
     {
@@ -55,7 +55,7 @@
           "程序设计"
         ],
         "children": [],
-        "node_id": "995bf077bccf4203b605ca57f065bd2d"
+        "node_id": "c-995bf077bccf4203b605ca57f065bd2d"
       }
     },
     {
@@ -65,7 +65,7 @@
           "计算机硬件"
         ],
         "children": [],
-        "node_id": "482db79cb1db477c9627e287f164a09a"
+        "node_id": "c-482db79cb1db477c9627e287f164a09a"
       }
     },
     {
@@ -75,12 +75,12 @@
           "目标代码"
         ],
         "children": [],
-        "node_id": "93ed97ed7e5649cd91926e9e9c606921"
+        "node_id": "c-93ed97ed7e5649cd91926e9e9c606921"
       }
     }
   ],
   "export": [
     "features.json"
   ],
-  "node_id": "946fc2eeba644ecf93e68974bf69f42a"
+  "node_id": "c-946fc2eeba644ecf93e68974bf69f42a"
 }
\ No newline at end of file

data/1.C语言初阶/1.C语言概述/3.C语言标准/config.json

@@ -11,7 +11,7 @@
           "TraditionalC"
         ],
         "children": [],
-        "node_id": "208e86cd81dc4de2bc871c0bc9300586"
+        "node_id": "c-208e86cd81dc4de2bc871c0bc9300586"
       }
     },
     {
@@ -20,7 +20,7 @@
           "C89"
         ],
         "children": [],
-        "node_id": "fdaa7c53eec447918709738d61ef9178"
+        "node_id": "c-fdaa7c53eec447918709738d61ef9178"
       }
     },
     {
@@ -29,7 +29,7 @@
           "C95"
         ],
         "children": [],
-        "node_id": "bfcda21010fa4cfa9a71d28ecfffa262"
+        "node_id": "c-bfcda21010fa4cfa9a71d28ecfffa262"
       }
     },
     {
@@ -38,7 +38,7 @@
           "C99"
         ],
         "children": [],
-        "node_id": "f637b57967644d03be2a464df832f2bc"
+        "node_id": "c-f637b57967644d03be2a464df832f2bc"
       }
     },
     {
@@ -47,7 +47,7 @@
           "C11"
         ],
         "children": [],
-        "node_id": "d2e8c4afe7fd474c91f1459de55cbabb"
+        "node_id": "c-d2e8c4afe7fd474c91f1459de55cbabb"
       }
     },
     {
@@ -56,7 +56,7 @@
           "C17"
         ],
         "children": [],
-        "node_id": "461bc7010ebd4144a8b715841e152605"
+        "node_id": "c-461bc7010ebd4144a8b715841e152605"
       }
     },
     {
@@ -65,12 +65,12 @@
           "C2x"
         ],
         "children": [],
-        "node_id": "511f644f3c544b56b5adb9b28282d8bc"
+        "node_id": "c-511f644f3c544b56b5adb9b28282d8bc"
       }
     }
   ],
   "export": [
       "standard.json"
   ],
-  "node_id": "3a6b78e1a4804917a5d48231f0cd87ea"
+  "node_id": "c-3a6b78e1a4804917a5d48231f0cd87ea"
 }
\ No newline at end of file

data/1.C语言初阶/1.C语言概述/4.编程机制/config.json

@@ -13,7 +13,7 @@
           "C语言"
         ],
         "children": [],
-        "node_id": "557cbf68f22a4747b8992615ad643fa8"
+        "node_id": "c-557cbf68f22a4747b8992615ad643fa8"
       }
     },
     {
@@ -24,7 +24,7 @@
           "C语言"
         ],
         "children": [],
-        "node_id": "33b51bd99ba743c090b8050e3e784470"
+        "node_id": "c-33b51bd99ba743c090b8050e3e784470"
       }
     },
     {
@@ -34,7 +34,7 @@
           "C语言"
         ],
         "children": [],
-        "node_id": "d78d438e88454d1fa7dd12676b100e0c"
+        "node_id": "c-d78d438e88454d1fa7dd12676b100e0c"
       }
     },
     {
@@ -45,7 +45,7 @@
           "C语言"
         ],
         "children": [],
-        "node_id": "be25cc23301b4373940b6eff8291bb05"
+        "node_id": "c-be25cc23301b4373940b6eff8291bb05"
       }
     },
     {
@@ -55,7 +55,7 @@
           "C语言"
         ],
         "children": [],
-        "node_id": "a9c21fb270414f5d8599b1eea5e6a59f"
+        "node_id": "c-a9c21fb270414f5d8599b1eea5e6a59f"
       }
     },
     {
@@ -68,7 +68,7 @@
           "C语言"
         ],
         "children": [],
-        "node_id": "4b692f5904ff4c70a44a648f47c024d4"
+        "node_id": "c-4b692f5904ff4c70a44a648f47c024d4"
       }
     },
     {
@@ -79,7 +79,7 @@
           "C语言"
         ],
         "children": [],
-        "node_id": "68819aeb078d4ce4a6538b8a548c0eea"
+        "node_id": "c-68819aeb078d4ce4a6538b8a548c0eea"
       }
     },
     {
@@ -90,12 +90,12 @@
           "C语言"
         ],
         "children": [],
-        "node_id": "908f40d645f4410680fbab6feddab8b2"
+        "node_id": "c-908f40d645f4410680fbab6feddab8b2"
       }
     }
   ],
   "export": [
       "compiler.json"
   ],
-  "node_id": "be9d40c8fc0e49c9bbc1e3a0b60b7960"
+  "node_id": "c-be9d40c8fc0e49c9bbc1e3a0b60b7960"
 }
\ No newline at end of file

data/1.C语言初阶/1.C语言概述/config.json

 {
-    "node_id": "ff93d18873424490849cdcf2ca01a48b",
+    "node_id": "c-ff93d18873424490849cdcf2ca01a48b",
     "keywords": [
         "概述",
         "C语言概述",

data/1.C语言初阶/2.数据类型/1.变量/config.json

 {
-  "node_id": "e05671ef95f44df3a7eab5dcc7b141e1",
+  "node_id": "c-e05671ef95f44df3a7eab5dcc7b141e1",
   "keywords": [
     "变量",
     "C语言"

data/1.C语言初阶/2.数据类型/2.常量/config.json

@@ -7,5 +7,5 @@
   "export": [
     "constants.json"
   ],
-  "node_id": "d3cd094b74334fa3b123b896788aa1ca"
+  "node_id": "c-d3cd094b74334fa3b123b896788aa1ca"
 }
\ No newline at end of file

data/1.C语言初阶/2.数据类型/3.基本数据类型/config.json

@@ -11,7 +11,7 @@
           "int"
         ],
         "children": [],
-        "node_id": "4b8c956c12dd4d59a3ebdab97bac590d"
+        "node_id": "c-4b8c956c12dd4d59a3ebdab97bac590d"
       }
     },
     {
@@ -22,7 +22,7 @@
           "double"
         ],
         "children": [],
-        "node_id": "50a4fd5c83bf4f558d7cc9cc27c39c90"
+        "node_id": "c-50a4fd5c83bf4f558d7cc9cc27c39c90"
       }
     },
     {
@@ -32,7 +32,7 @@
           "char"
         ],
         "children": [],
-        "node_id": "8cff086ba20b4cc88f07dbb3dc8e7c38"
+        "node_id": "c-8cff086ba20b4cc88f07dbb3dc8e7c38"
       }
     },
     {
@@ -42,12 +42,12 @@
           "boll"
         ],
         "children": [],
-        "node_id": "1702c0269b714bf3a5b00e366a71a829"
+        "node_id": "c-1702c0269b714bf3a5b00e366a71a829"
       }
     }
   ],
   "export": [
     "basic_data_types.json"
   ],
-  "node_id": "4fd1baa5eb72451aa52e5ef801376f6f"
+  "node_id": "c-4fd1baa5eb72451aa52e5ef801376f6f"
 }
\ No newline at end of file

data/1.C语言初阶/2.数据类型/config.json

@@ -5,5 +5,5 @@
   ],
   "children": [],
   "export": [],
-  "node_id": "c7ef387bd4bf4bd0a87d1886e66160c5"
+  "node_id": "c-c7ef387bd4bf4bd0a87d1886e66160c5"
 }
\ No newline at end of file

data/1.C语言初阶/3.运算符与表达式/1.赋值运算符与表达式/config.json

 {
-  "node_id": "463c5c16759c444cab9c38aea966452b",
+  "node_id": "c-463c5c16759c444cab9c38aea966452b",
   "keywords": [
     "赋值",
     "运算符",

data/1.C语言初阶/3.运算符与表达式/2.算术运算符与表达式/config.json

@@ -15,7 +15,7 @@
           "加法"
         ],
         "children": [],
-        "node_id": "31de66fb1c374b7694f1d9098ef2fc07"
+        "node_id": "c-31de66fb1c374b7694f1d9098ef2fc07"
       }
     },
     {
@@ -25,7 +25,7 @@
           "减法"
         ],
         "children": [],
-        "node_id": "146f98e8375d44b493c1e7ad4a961996"
+        "node_id": "c-146f98e8375d44b493c1e7ad4a961996"
       }
     },
     {
@@ -35,7 +35,7 @@
           "乘法"
         ],
         "children": [],
-        "node_id": "6275797407a74afca99bb69a4860643a"
+        "node_id": "c-6275797407a74afca99bb69a4860643a"
       }
     },
     {
@@ -45,7 +45,7 @@
           "除法"
         ],
         "children": [],
-        "node_id": "68f5dd68b3374b07abc4594023599c5c"
+        "node_id": "c-68f5dd68b3374b07abc4594023599c5c"
       }
     },
     {
@@ -55,7 +55,7 @@
           "求模"
         ],
         "children": [],
-        "node_id": "d99db15ebd5345079f28e8922168213c"
+        "node_id": "c-d99db15ebd5345079f28e8922168213c"
       }
     },
     {
@@ -65,7 +65,7 @@
           "递增"
         ],
         "children": [],
-        "node_id": "fd0c1be4694c44aea61204bfe3d8ff35"
+        "node_id": "c-fd0c1be4694c44aea61204bfe3d8ff35"
       }
     },
     {
@@ -75,12 +75,12 @@
           "递减"
         ],
         "children": [],
-        "node_id": "f3ee0ec7ed0448c5a5c363fd8c04c37b"
+        "node_id": "c-f3ee0ec7ed0448c5a5c363fd8c04c37b"
       }
     }
   ],
   "export": [
     "arithmetic_op.json"
   ],
-  "node_id": "e985fb409a3a43798aa3103cebe813e3"
+  "node_id": "c-e985fb409a3a43798aa3103cebe813e3"
 }
\ No newline at end of file

data/1.C语言初阶/3.运算符与表达式/3.关系运算符与表达式/config.json

@@ -15,7 +15,7 @@
           "大于运算符"
         ],
         "children": [],
-        "node_id": "b419e9a56378422ca9dbe4199df85466"
+        "node_id": "c-b419e9a56378422ca9dbe4199df85466"
       }
     },
     {
@@ -25,7 +25,7 @@
           "小于运算符"
         ],
         "children": [],
-        "node_id": "62538191b4c446a28cc555f43f47a8a1"
+        "node_id": "c-62538191b4c446a28cc555f43f47a8a1"
       }
     },
     {
@@ -35,7 +35,7 @@
           "等于运算符"
         ],
         "children": [],
-        "node_id": "629caa816ad84135b6d99c0c485c3597"
+        "node_id": "c-629caa816ad84135b6d99c0c485c3597"
       }
     },
     {
@@ -45,7 +45,7 @@
           "大于等于运算符"
         ],
         "children": [],
-        "node_id": "c21d13ad563144e0870dedad439a5b20"
+        "node_id": "c-c21d13ad563144e0870dedad439a5b20"
       }
     },
     {
@@ -55,7 +55,7 @@
           "小于等于运算符"
         ],
         "children": [],
-        "node_id": "c7efe69bbab844ce93d127502b714b16"
+        "node_id": "c-c7efe69bbab844ce93d127502b714b16"
       }
     },
     {
@@ -65,12 +65,12 @@
           "不等于运算符"
         ],
         "children": [],
-        "node_id": "12bde9c3e6f548d2b754e487345f5160"
+        "node_id": "c-12bde9c3e6f548d2b754e487345f5160"
       }
     }
   ],
   "export": [
     "relational_op.json"
   ],
-  "node_id": "08dec025530542b695719ef950730a69"
+  "node_id": "c-08dec025530542b695719ef950730a69"
 }
\ No newline at end of file

data/1.C语言初阶/3.运算符与表达式/4.逻辑运算符与表达式/config.json

@@ -16,7 +16,7 @@
           "与运算符"
         ],
         "children": [],
-        "node_id": "2b380549524f401ab0d55c040336dcfc"
+        "node_id": "c-2b380549524f401ab0d55c040336dcfc"
       }
     },
     {
@@ -27,7 +27,7 @@
           "或运算符"
         ],
         "children": [],
-        "node_id": "dfec54176abb4ccf8ceb144f42c0fe58"
+        "node_id": "c-dfec54176abb4ccf8ceb144f42c0fe58"
       }
     },
     {
@@ -38,12 +38,12 @@
           "非运算符"
         ],
         "children": [],
-        "node_id": "26b1e8af0679453f9137e958e2f178b3"
+        "node_id": "c-26b1e8af0679453f9137e958e2f178b3"
       }
     }
   ],
   "export": [
     "logical_op.json"
   ],
-  "node_id": "d4ed32eedaed4d44be139eb578ed9f92"
+  "node_id": "c-d4ed32eedaed4d44be139eb578ed9f92"
 }
\ No newline at end of file

data/1.C语言初阶/3.运算符与表达式/5.逗号运算符与表达式/config.json

 {
-  "node_id": "d8047c9c975b457cbc30445ff78787d6",
+  "node_id": "c-d8047c9c975b457cbc30445ff78787d6",
   "keywords": [
     "逗号",
     "运算符",

data/1.C语言初阶/3.运算符与表达式/6.条件运算符/config.json

@@ -11,5 +11,5 @@
   "export": [
     "conditional_op.json"
   ],
-  "node_id": "1d3d9e97b98b4151b87c4433d987af83"
+  "node_id": "c-1d3d9e97b98b4151b87c4433d987af83"
 }
\ No newline at end of file

data/1.C语言初阶/3.运算符与表达式/7.sizeof运算符/config.json

 {
-  "node_id": "a78c62afc42f45178a799ff67c9fd330",
+  "node_id": "c-a78c62afc42f45178a799ff67c9fd330",
   "keywords": [
     "sizeof运算符",
     "sizeof",

data/1.C语言初阶/3.运算符与表达式/8.运算符优先级与求值顺序/config.json

 {
-  "node_id": "eb5b902755f24674bce31bde2ce4f439",
+  "node_id": "c-eb5b902755f24674bce31bde2ce4f439",
   "keywords": [
     "运算符",
     "优先级",

data/1.C语言初阶/3.运算符与表达式/config.json

@@ -6,5 +6,5 @@
   ],
   "children": [],
   "export": [],
-  "node_id": "5002624ecc8d4be1a3d8eab4579ac7b8"
+  "node_id": "c-5002624ecc8d4be1a3d8eab4579ac7b8"
 }
\ No newline at end of file

data/1.C语言初阶/4.语句与控制流/1.语句与程序块/config.json

 {
-  "node_id": "a88a08b3d3a24780b94e2809336202b5",
+  "node_id": "c-a88a08b3d3a24780b94e2809336202b5",
   "keywords": [
     "语句",
     "程序块",

data/1.C语言初阶/4.语句与控制流/2.判断语句/config.json

 {
-  "node_id": "0c86f68dfe7c4a4ca6c8b7c12135fd43",
+  "node_id": "c-0c86f68dfe7c4a4ca6c8b7c12135fd43",
   "keywords": [
     "判断语句",
     "判断",
@@ -14,7 +14,7 @@
           "if"
         ],
         "children": [],
-        "node_id": "5e91dbfbe12742a58687935a9d90c823"
+        "node_id": "c-5e91dbfbe12742a58687935a9d90c823"
       }
     },
     {
@@ -28,7 +28,7 @@
           "if else"
         ],
         "children": [],
-        "node_id": "fe1541c72d9e4cdca6c921dbbc59b89d"
+        "node_id": "c-fe1541c72d9e4cdca6c921dbbc59b89d"
       }
     },
     {
@@ -42,7 +42,7 @@
           "else if"
         ],
         "children": [],
-        "node_id": "151de28d0bb342568164be969c423d9a"
+        "node_id": "c-151de28d0bb342568164be969c423d9a"
       }
     },
     {
@@ -52,7 +52,7 @@
           "switch"
         ],
         "children": [],
-        "node_id": "d0aabba94ad848079a7b85185865b9c7"
+        "node_id": "c-d0aabba94ad848079a7b85185865b9c7"
       }
     }
   ],

data/1.C语言初阶/4.语句与控制流/3.循环语句/config.json

 {
-  "node_id": "bc001e483b8c41a8a7ccc369393d636a",
+  "node_id": "c-bc001e483b8c41a8a7ccc369393d636a",
   "keywords": [
     "语句",
     "循环",
@@ -15,7 +15,7 @@
           "for"
         ],
         "children": [],
-        "node_id": "22468d0373a84997a081c2eec0f618f3"
+        "node_id": "c-22468d0373a84997a081c2eec0f618f3"
       }
     },
     {
@@ -26,7 +26,7 @@
           "while"
         ],
         "children": [],
-        "node_id": "6d700090507145acb745a467f8890b3e"
+        "node_id": "c-6d700090507145acb745a467f8890b3e"
       }
     },
     {
@@ -39,7 +39,7 @@
           "do while"
         ],
         "children": [],
-        "node_id": "58f0847e815843778414a28e8925a9ba"
+        "node_id": "c-58f0847e815843778414a28e8925a9ba"
       }
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     {
@@ -49,7 +49,7 @@
           "break"
         ],
         "children": [],
-        "node_id": "bfd9a604032f464e8ae635eb1431a662"
+        "node_id": "c-bfd9a604032f464e8ae635eb1431a662"
       }
     },
     {
@@ -59,7 +59,7 @@
           "continue"
         ],
         "children": [],
-        "node_id": "3c01566817af485c8494a016cb1d33f9"
+        "node_id": "c-3c01566817af485c8494a016cb1d33f9"
       }
     },
     {
@@ -69,7 +69,7 @@
           "goto"
         ],
         "children": [],
-        "node_id": "b068b910bdcb43ee85388588eaaed349"
+        "node_id": "c-b068b910bdcb43ee85388588eaaed349"
       }
     }
   ],

data/1.C语言初阶/4.语句与控制流/config.json

 {
-  "node_id": "18bef4edbf9a498fa3838246cd733986",
+  "node_id": "c-18bef4edbf9a498fa3838246cd733986",
   "keywords": [
     "语句与控制流",
     "语句",

data/1.C语言初阶/config.json

 {
-  "node_id": "97bc6d47966c47979a9c78cc36741ade",
+  "node_id": "c-97bc6d47966c47979a9c78cc36741ade",
   "keywords": []
 }
\ No newline at end of file

data/2.C语言中阶/1.函数与程序结构/1.函数的声明与定义/config.json

 {
-  "node_id": "e2785c48975d4b32917e89a5c260ae27",
+  "node_id": "c-e2785c48975d4b32917e89a5c260ae27",
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     "声明",

data/2.C语言中阶/1.函数与程序结构/2.函数的参数/config.json

 {
-  "node_id": "30a5dee1088c403b81ae2d61f717f214",
+  "node_id": "c-30a5dee1088c403b81ae2d61f717f214",
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data/2.C语言中阶/1.函数与程序结构/3.函数的返回/config.json

 {
-  "node_id": "bfff88a1a24e4eb98577ac663c44da09",
+  "node_id": "c-bfff88a1a24e4eb98577ac663c44da09",
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     "返回",

data/2.C语言中阶/1.函数与程序结构/4.函数的调用/config.json

 {
-  "node_id": "67a79ded33aa459e81f953aea62b5b65",
+  "node_id": "c-67a79ded33aa459e81f953aea62b5b65",
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data/2.C语言中阶/1.函数与程序结构/5.函数的递归/config.json

 {
-  "node_id": "978a26e7ad464c5481ce0c56480ed60d",
+  "node_id": "c-978a26e7ad464c5481ce0c56480ed60d",
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     "递归",

data/2.C语言中阶/1.函数与程序结构/6.局部变量和全局变量/config.json

 {
-  "node_id": "293ce0005b924bd7b76216d395e021f2",
+  "node_id": "c-293ce0005b924bd7b76216d395e021f2",
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     "全局变量",

data/2.C语言中阶/1.函数与程序结构/7.头文件/config.json

 {
-  "node_id": "9b668f9078814a86b5d45265f2d87186",
+  "node_id": "c-9b668f9078814a86b5d45265f2d87186",
   "keywords": [
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     "C语言"

data/2.C语言中阶/1.函数与程序结构/8.内部函数和外部函数/config.json

 {
-  "node_id": "c4862064e784410fb4ee6f54e2c74e7a",
+  "node_id": "c-c4862064e784410fb4ee6f54e2c74e7a",
   "keywords": [
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     "外部函数",

data/2.C语言中阶/1.函数与程序结构/config.json

 {
-    "node_id": "c1d5e45aeba9407a9aba96de5af95e4e",
+    "node_id": "c-c1d5e45aeba9407a9aba96de5af95e4e",
     "keywords": [
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         "程序结构",

data/2.C语言中阶/2.数组/1.数组简介/config.json

 {
-  "node_id": "4103c3071b694c778cdee1f78150b3dd",
+  "node_id": "c-4103c3071b694c778cdee1f78150b3dd",
   "keywords": [
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     "数组",

data/2.C语言中阶/2.数组/2.一维数组/config.json

 {
-  "node_id": "50bb5756ca6f4fab9db632226f95ef13",
+  "node_id": "c-50bb5756ca6f4fab9db632226f95ef13",
   "keywords": [
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     "数组",

data/2.C语言中阶/2.数组/3.二维数组/config.json

 {
-  "node_id": "f9e454c8bac54e17a358aa3537f80f2b",
+  "node_id": "c-f9e454c8bac54e17a358aa3537f80f2b",
   "keywords": [
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     "二维数组",

data/2.C语言中阶/2.数组/4.变长数组/config.json

 {
-  "node_id": "ba9bbb9164584d7285e469c5aa34b8aa",
+  "node_id": "c-ba9bbb9164584d7285e469c5aa34b8aa",
   "keywords": [
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     "变长数组",

data/2.C语言中阶/2.数组/config.json

 {
-  "node_id": "aab5230436134bc0ae4334f20616646b",
+  "node_id": "c-aab5230436134bc0ae4334f20616646b",
   "keywords": [
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data/2.C语言中阶/3.指针/1.指针与地址/config.json

 {
-  "node_id": "b56d0beb05d8468a92b5127af497f66b",
+  "node_id": "c-b56d0beb05d8468a92b5127af497f66b",
   "keywords": [
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     "指针",

data/2.C语言中阶/3.指针/2.指针与函数参数/config.json

 {
-  "node_id": "c125ac53cc324775abe8604efe6ba023",
+  "node_id": "c-c125ac53cc324775abe8604efe6ba023",
   "keywords": [
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     "指针",

data/2.C语言中阶/3.指针/3.指针与数组/config.json

 {
-  "node_id": "826682a938a0422390dcf4d3f7b933b4",
+  "node_id": "c-826682a938a0422390dcf4d3f7b933b4",
   "keywords": [
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     "指针",

data/2.C语言中阶/3.指针/4.地址算术运算/config.json

 {
-  "node_id": "2301f0c532c143c28e3261b442743f05",
+  "node_id": "c-2301f0c532c143c28e3261b442743f05",
   "keywords": [
     "地址算术运算",
     "算术运算",

data/2.C语言中阶/3.指针/5.指针数组以及指向指针的指针/config.json

 {
-  "node_id": "86987ec92a6b441abc05a9dc616e3075",
+  "node_id": "c-86987ec92a6b441abc05a9dc616e3075",
   "keywords": [
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     "指针的指针",

data/2.C语言中阶/3.指针/6.指向函数的指针/config.json

 {
-  "node_id": "fa927c0947f3427aafee3415e11694e7",
+  "node_id": "c-fa927c0947f3427aafee3415e11694e7",
   "keywords": [
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     "函数指针",

data/2.C语言中阶/3.指针/config.json

 {
-  "node_id": "9e7cea0fd7294892be114dbb7fbc9b30",
+  "node_id": "c-9e7cea0fd7294892be114dbb7fbc9b30",
   "keywords": [
     "指针",
     "C语言"

data/2.C语言中阶/4.字符串/1.字符串输入与输出/config.json

@@ -11,5 +11,5 @@
   "export": [
     "string_io.json"
   ],
-  "node_id": "bbd1310e647846018a1ff37d29c70ff0"
+  "node_id": "c-bbd1310e647846018a1ff37d29c70ff0"
 }
\ No newline at end of file

data/2.C语言中阶/4.字符串/2.字符串函数/config.json

@@ -8,5 +8,5 @@
   "export": [
     "string_func.json"
   ],
-  "node_id": "2aa6707a4e0244dfab606b030f5c35c9"
+  "node_id": "c-2aa6707a4e0244dfab606b030f5c35c9"
 }
\ No newline at end of file

data/2.C语言中阶/4.字符串/config.json

 {
-  "node_id": "60997c5d19b84545abb2adbac24351bc",
+  "node_id": "c-60997c5d19b84545abb2adbac24351bc",
   "keywords": [
     "字符串",
     "C语言"

data/2.C语言中阶/config.json

 {
-  "node_id": "0b3c295f0ba24708845505ee4583303e",
+  "node_id": "c-0b3c295f0ba24708845505ee4583303e",
   "keywords": []
 }
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data/3.C语言高阶/1.结构体/1.结构体简介/config.json

 {
-  "node_id": "86b95a1e3e084e7c92fa959b731d81dc",
+  "node_id": "c-86b95a1e3e084e7c92fa959b731d81dc",
   "keywords": [
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     "结构体",

data/3.C语言高阶/1.结构体/2.结构体数组/config.json

 {
-  "node_id": "e970a52419484d11bcdd097d713b065e",
+  "node_id": "c-e970a52419484d11bcdd097d713b065e",
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data/3.C语言高阶/1.结构体/3.结构体指针/config.json

 {
-  "node_id": "c41c3c9229594a619abb2295be13a789",
+  "node_id": "c-c41c3c9229594a619abb2295be13a789",
   "keywords": [
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     "结构体",

data/3.C语言高阶/1.结构体/4.结构体与函数/config.json

 {
-  "node_id": "11a69657ca7d422d9a08ecef807f1600",
+  "node_id": "c-11a69657ca7d422d9a08ecef807f1600",
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data/3.C语言高阶/1.结构体/5.链式结构/config.json

 {
-  "node_id": "a6978054585b44acb482eea3d9e4aefc",
+  "node_id": "c-a6978054585b44acb482eea3d9e4aefc",
   "keywords": [
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data/3.C语言高阶/1.结构体/config.json

 {
-    "node_id": "457fbccd00ef4ce3b0f44702f9755b43",
+    "node_id": "c-457fbccd00ef4ce3b0f44702f9755b43",
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         "C语言"

data/3.C语言高阶/2.联合体与枚举类型/1.联合体/config.json

 {
-  "node_id": "65fbcb8587ab432895bbfb7d873d17de",
+  "node_id": "c-65fbcb8587ab432895bbfb7d873d17de",
   "keywords": [
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     "共用体",

data/3.C语言高阶/2.联合体与枚举类型/2.枚举类型/config.json

 {
-  "node_id": "a18e6c6aef644580a7e9743087cb8fd8",
+  "node_id": "c-a18e6c6aef644580a7e9743087cb8fd8",
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data/3.C语言高阶/2.联合体与枚举类型/config.json

 {
-  "node_id": "6a54244141664f8a9fe626d564bb150f",
+  "node_id": "c-6a54244141664f8a9fe626d564bb150f",
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data/3.C语言高阶/3.位运算/1.位和字节/config.json

 {
-  "node_id": "cfe3277172e24a0587fc7b9dca6b8633",
+  "node_id": "c-cfe3277172e24a0587fc7b9dca6b8633",
   "keywords": [
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     "字节",

data/3.C语言高阶/3.位运算/2.二进制/config.json

 {
-  "node_id": "18a259dd149a4ad4b51ca76cece73575",
+  "node_id": "c-18a259dd149a4ad4b51ca76cece73575",
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     "2进制",

data/3.C语言高阶/3.位运算/3.八进制/config.json

 {
-  "node_id": "d09ce6bde4bd4d43b5bda77b98328367",
+  "node_id": "c-d09ce6bde4bd4d43b5bda77b98328367",
   "keywords": [
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     "8进制",

data/3.C语言高阶/3.位运算/4.十六进制/config.json

 {
-  "node_id": "2caff3956d7e43c08c46cdcf8f8b6f29",
+  "node_id": "c-2caff3956d7e43c08c46cdcf8f8b6f29",
   "keywords": [
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     "16进制",

data/3.C语言高阶/3.位运算/5.位逻辑运算符/config.json

 {
-  "node_id": "d199fcbcb452465696fadddafbfb26e1",
+  "node_id": "c-d199fcbcb452465696fadddafbfb26e1",
   "keywords": [
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     "位逻辑运算",

data/3.C语言高阶/3.位运算/6.对齐特性/config.json

 {
-  "node_id": "501dc3e5d4da44fe8ba5614875d9cbdf",
+  "node_id": "c-501dc3e5d4da44fe8ba5614875d9cbdf",
   "keywords": [
     "对齐特性",
     "位运算",

data/3.C语言高阶/3.位运算/7.位字段/config.json

 {
-  "node_id": "044247ccf6324f749dd6fcecb6fd7c1f",
+  "node_id": "c-044247ccf6324f749dd6fcecb6fd7c1f",
   "keywords": [
     "位字段",
     "C语言"

data/3.C语言高阶/3.位运算/config.json

 {
-  "node_id": "f0296e72f7c441f0b0eee5a854580022",
+  "node_id": "c-f0296e72f7c441f0b0eee5a854580022",
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     "位操作",

data/3.C语言高阶/4.预处理器/1.宏定义/config.json

 {
-  "node_id": "81ca2e0059a547db93cb10c8352a3687",
+  "node_id": "c-81ca2e0059a547db93cb10c8352a3687",
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     "C语言"

data/3.C语言高阶/4.预处理器/2.#include指令/config.json

 {
-  "node_id": "a9536f1fcd9242fc96a358be560ff7b1",
+  "node_id": "c-a9536f1fcd9242fc96a358be560ff7b1",
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     "#include",

data/3.C语言高阶/4.预处理器/3.#undef指令/config.json

 {
-  "node_id": "9177a200808c4d879116a4a69e89df41",
+  "node_id": "c-9177a200808c4d879116a4a69e89df41",
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data/3.C语言高阶/4.预处理器/4.条件编译/config.json

 {
-  "node_id": "d962e7c6c96d431ea38e6e6aed7728b6",
+  "node_id": "c-d962e7c6c96d431ea38e6e6aed7728b6",
   "keywords": [
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data/3.C语言高阶/4.预处理器/5.内联函数/config.json

 {
-  "node_id": "d21d6de040954559abee2dbad03ac4d1",
+  "node_id": "c-d21d6de040954559abee2dbad03ac4d1",
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data/3.C语言高阶/4.预处理器/config.json

 {
-  "node_id": "4c711f0dc45c49e39f2dbdb5f89008a9",
+  "node_id": "c-4c711f0dc45c49e39f2dbdb5f89008a9",
   "keywords": [
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     "预编译器",

data/3.C语言高阶/5.文件/1.文件的基本操作/config.json

 {
-  "node_id": "6ac7da2c6a894cc2ad4a2facb2aec07a",
+  "node_id": "c-6ac7da2c6a894cc2ad4a2facb2aec07a",
   "keywords": [
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     "文件基本操作",
@@ -13,7 +13,7 @@
           "文件"
         ],
         "children": [],
-        "node_id": "49b8b5358dd44f2683ad375c1ca322a6"
+        "node_id": "c-49b8b5358dd44f2683ad375c1ca322a6"
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     {
@@ -24,7 +24,7 @@
           "文件打开"
         ],
         "children": [],
-        "node_id": "413936e2468c4e319c798d4a524c52c5"
+        "node_id": "c-413936e2468c4e319c798d4a524c52c5"
       }
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     {
@@ -35,7 +35,7 @@
           "文件关闭"
         ],
         "children": [],
-        "node_id": "30566999b5104e54a258debe6b7e8a85"
+        "node_id": "c-30566999b5104e54a258debe6b7e8a85"
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data/3.C语言高阶/5.文件/2.文件的读写/config.json

 {
-  "node_id": "c9f455f9665042b5bdfd19918e34cc94",
+  "node_id": "c-c9f455f9665042b5bdfd19918e34cc94",
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     "文件读写",

data/3.C语言高阶/5.文件/config.json

 {
-  "node_id": "4877d759ed524ba086a8dd6bc00c2e86",
+  "node_id": "c-4877d759ed524ba086a8dd6bc00c2e86",
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data/3.C语言高阶/6.存储管理/1.存储类别/config.json

 {
-  "node_id": "055d9ba0f2864f78a5fea826aded5aaa",
+  "node_id": "c-055d9ba0f2864f78a5fea826aded5aaa",
   "keywords": [
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data/3.C语言高阶/6.存储管理/2.内存动态管理/config.json

 {
-    "node_id": "e75bdc3470954cb38bdfcf4f0ed3680b",
+    "node_id": "c-e75bdc3470954cb38bdfcf4f0ed3680b",
     "keywords": [
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         "内存管理",
@@ -15,7 +15,7 @@
                     "C语言"
                 ],
                 "children": [],
-                "node_id": "cc8211e14d6f46c8b91b27f4b5ae2c3a"
+                "node_id": "c-cc8211e14d6f46c8b91b27f4b5ae2c3a"
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         {
@@ -26,7 +26,7 @@
                     "C语言"
                 ],
                 "children": [],
-                "node_id": "3ef9cac7dde7450cba53d20005fefe77"
+                "node_id": "c-3ef9cac7dde7450cba53d20005fefe77"
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     ],

data/3.C语言高阶/6.存储管理/config.json

 {
-  "node_id": "d127f044a075402788e20b3cb690a328",
+  "node_id": "c-d127f044a075402788e20b3cb690a328",
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data/3.C语言高阶/7.标准函数库/1.数学库/config.json

 {
-    "node_id": "77363abd916c4981b595f44138f53e0a",
+    "node_id": "c-77363abd916c4981b595f44138f53e0a",
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data/3.C语言高阶/7.标准函数库/2.通用工具库/config.json

 {
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+  "node_id": "c-dab1add961df46479031b66bc52a00b0",
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data/3.C语言高阶/7.标准函数库/3.断言库/config.json

 {
-  "node_id": "2ce0d5349c454d099692a07c2a32a56d",
+  "node_id": "c-2ce0d5349c454d099692a07c2a32a56d",
   "keywords": [
     "assert.h",
     "断言库",

data/3.C语言高阶/7.标准函数库/config.json

 {
-  "node_id": "a95ae0dfca614dab8b02ef4b96d7398d",
+  "node_id": "c-a95ae0dfca614dab8b02ef4b96d7398d",
   "keywords": [
     "标准函数库",
     "标准库",

data/3.C语言高阶/config.json

 {
-  "node_id": "29426c5de15a472ba147b32bd24b73a5",
+  "node_id": "c-29426c5de15a472ba147b32bd24b73a5",
   "keywords": []
 }
\ No newline at end of file

data/config.json

 {
-  "tree_name": "C语言",
+  "tree_name": "C",
   "keywords": [],
-  "node_id": "569d5e11c4fc5de7844053d9a733c5e8"
+  "node_id": "c-569d5e11c4fc5de7844053d9a733c5e8"
 }
\ No newline at end of file

src/tree.py

@@ -56,7 +56,7 @@ def gen_tree(data_path):
 
     def gen_node_id():
         # return ''.join(str(uuid.uuid5(uuid.NAMESPACE_URL, 'skill_tree')).split('-'))
-        return uuid.uuid4().hex
+        return "c-" + uuid.uuid4().hex
 
     def list_dir(p):
         v = os.listdir(p)