diff --git a/data/tree.json b/data/tree.json
index fa2b8b8c1503c2f41df9186e4e597c6a6386bc52..1049dde090797e25d81f4810ebc245a6e5fefc50 100644
--- a/data/tree.json
+++ b/data/tree.json
@@ -835,51 +835,7 @@
                 "keywords": [],
                 "children": [
                   {
-                    "函数的参数": {
-                      "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-                      "keywords": [
-                        "函数",
-                        "程序结构",
-                        "C语言"
-                      ],
-                      "children": []
-                    }
-                  },
-                  {
-                    "头文件": {
-                      "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-                      "keywords": [
-                        "函数",
-                        "程序结构",
-                        "C语言"
-                      ],
-                      "children": []
-                    }
-                  },
-                  {
-                    "外部变量": {
-                      "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-                      "keywords": [
-                        "函数",
-                        "程序结构",
-                        "C语言"
-                      ],
-                      "children": []
-                    }
-                  },
-                  {
-                    "静态变量": {
-                      "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-                      "keywords": [
-                        "函数",
-                        "程序结构",
-                        "C语言"
-                      ],
-                      "children": []
-                    }
-                  },
-                  {
-                    "寄存器变量": {
+                    "函数的声明与定义": {
                       "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
                       "keywords": [
                         "函数",
@@ -890,7 +846,7 @@
                     }
                   },
                   {
-                    "程序块结构": {
+                    "函数的参数": {
                       "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
                       "keywords": [
                         "函数",
@@ -912,18 +868,7 @@
                     }
                   },
                   {
-                    "函数的作用域规则": {
-                      "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-                      "keywords": [
-                        "函数",
-                        "程序结构",
-                        "C语言"
-                      ],
-                      "children": []
-                    }
-                  },
-                  {
-                    "函数的初始化": {
+                    "函数的调用": {
                       "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
                       "keywords": [
                         "函数",
@@ -945,29 +890,7 @@
                     }
                   },
                   {
-                    "函数的声明": {
-                      "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-                      "keywords": [
-                        "函数",
-                        "程序结构",
-                        "C语言"
-                      ],
-                      "children": []
-                    }
-                  },
-                  {
-                    "函数的定义": {
-                      "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
-                      "keywords": [
-                        "函数",
-                        "程序结构",
-                        "C语言"
-                      ],
-                      "children": []
-                    }
-                  },
-                  {
-                    "函数的调用": {
+                    "内部函数和外部函数": {
                       "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
                       "keywords": [
                         "函数",
@@ -978,7 +901,7 @@
                     }
                   },
                   {
-                    "内部函数和外部函数": {
+                    "头文件": {
                       "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
                       "keywords": [
                         "函数",