fix: 目录结构

.vitepress/cache/deps/_metadata.json

@@ -1,11 +1,11 @@
 {
-  "hash": "2b1b1e9a",
-  "browserHash": "34536978",
+  "hash": "a6b6eb8d",
+  "browserHash": "4ad643d4",
   "optimized": {
     "vue": {
       "src": "../../../node_modules/vue/dist/vue.runtime.esm-bundler.js",
       "file": "vue.js",
-      "fileHash": "8ab130c8",
+      "fileHash": "83119fbb",
       "needsInterop": false
     }
   },

.vitepress/config.js

@@ -126,6 +126,12 @@ export default defineConfig({
                   { text: '3.4.6.15.赋予明暗', link: '/3.编程思维体系构建/3.4.6.15.赋予明暗' },
                   { text: '3.4.6.16.结语：你终将自由', link: '/3.编程思维体系构建/3.4.6.16.结语：你终将自由' },
                   { text: '3.4.7C基础知识杂谈', link: '/3.编程思维体系构建/3.4.7C基础知识杂谈' },
+                ]
+              },
+              {
+                text: '3.4.7.1GDB初探索（编程可阅览）',
+                collapsed: true,
+                items: [
                   { text: '3.4.7.1GDB初探索（编程可阅览）', link: '/3.编程思维体系构建/3.4.7.1GDB初探索（编程可阅览）' },
                   { text: '3.4.7.1.1调试理论', link: '/3.编程思维体系构建/3.4.7.1.1调试理论' },
                   { text: '3.4.7.2C的历史问题：undefined behavior', link: '/3.编程思维体系构建/3.4.7.2C的历史问题：undefined behavior' },
@@ -162,9 +168,6 @@ export default defineConfig({
                   { text: '3.6.4.4阶段四：高阶函数', link: '/3.编程思维体系构建/3.6.4.4阶段四：高阶函数' },
                   { text: '3.6.4.5阶段五：迭代生成', link: '/3.编程思维体系构建/3.6.4.5阶段五：迭代生成' },
                   { text: '3.6.4.6结语', link: '/3.编程思维体系构建/3.6.4.6结语' },
-                  { text: '', link: '/3.编程思维体系构建/' },
-                  { text: '', link: '/3.编程思维体系构建/' },
-                  { text: '', link: '/3.编程思维体系构建/' },
                 ]
               },
               {
@@ -175,6 +178,8 @@ export default defineConfig({
                   { text: '3.6.5.1lab00：让我们开始吧', link: '/3.编程思维体系构建/3.6.5.1lab00：让我们开始吧' },
                 ]
               },
+            ]
+          },
           { text: '3.X 聊聊设计模式和程序设计', link: '/3.编程思维体系构建/3.X 聊聊设计模式和程序设计' },
           {
             text: '3.Y 附加模块：Linux',
@@ -189,8 +194,6 @@ export default defineConfig({
             ]
           }
         ]
-          }
-        ]
       },
       {
         text: 'Contributors',