diff --git a/.vitepress/config.ts b/.vitepress/config.ts
index c653b30..717766f 100644
--- a/.vitepress/config.ts
+++ b/.vitepress/config.ts
@@ -22,43 +22,50 @@ export default defineConfig({
     externalLinkIcon: true,
     nav: [
       { text: "首页", link: "/" },
-      { text: "基础知识", link: "/basic/manual/book/" },
-      { text: "计算机速成课", link: "/crash-course/00/" },
+      { text: "基础知识", link: "/basic/manual/book/index.md" },
+      { text: "计算机速成课", link: "/crash-course/00/index.md" },
     ],
     sidebar: {
       "/basic": [
         {
           text: "使用说明",
           items: [
-            { text: "本网站", link: "/basic/manual/book" },
-            { text: "自测猫", link: "/basic/manual/code" },
-            { text: "判题狗", link: "/basic/manual/oj" },
-            { text: "练习册", link: "/basic/manual/play" },
+            { text: "本网站", link: "/basic/manual/book/index.md" },
+            { text: "自测猫", link: "/basic/manual/code/index.md" },
+            { text: "判题狗", link: "/basic/manual/oj/index.md" },
+            { text: "练习册", link: "/basic/manual/play/index.md" },
           ],
         },
         {
           text: "编程技巧",
           items: [
-            { text: "Python 小抄", link: "/basic/tips/cheatsheet" },
-            { text: "看懂报错信息", link: "/basic/tips/error-message" },
-            { text: "使用 AI", link: "/basic/tips/chatgpt" },
+            { text: "Python 小抄", link: "/basic/tips/cheatsheet/index.md" },
+            {
+              text: "看懂报错信息",
+              link: "/basic/tips/error-message/index.md",
+            },
+            { text: "使用 AI", link: "/basic/tips/chatgpt/index.md" },
           ],
         },
         {
           text: "判题狗",
           items: [
-            { text: "推荐的做题顺序", link: "/basic/online-judge/ordering" },
+            {
+              text: "推荐的做题顺序",
+              link: "/basic/online-judge/ordering/index.md",
+            },
           ],
         },
         {
           text: "趣味杂谈",
           items: [
-            { text: "中文编程语言介绍", link: "/basic/others/chinese-program-language" },
+            {
+              text: "中文编程语言介绍",
+              link: "/basic/others/chinese-program-language/index.md",
+            },
           ],
         },
       ],
-      "/data-analysis": [{}],
-      "/crawler": [{}],
       "/crash-course": [
         { text: "简介", link: "/crash-course/00/index.md" },
         { text: "计算机早期历史", link: "/crash-course/01/index.md" },
diff --git a/crawler/index.md b/crawler/index.md
deleted file mode 100644
index bef7c17..0000000
--- a/crawler/index.md
+++ /dev/null
@@ -1 +0,0 @@
-# python
\ No newline at end of file
diff --git a/data-analysis/index.md b/data-analysis/index.md
deleted file mode 100644
index e69de29..0000000
diff --git a/index.md b/index.md
index a3d63ea..708308e 100644
--- a/index.md
+++ b/index.md
@@ -8,10 +8,10 @@ hero:
   actions:
     - theme: brand
       text: 编程基础
-      link: /basic/manual/book/
+      link: /basic/manual/book/index.md
     - theme: alt
       text: 计算机速成
-      link: /crash-course/00/
+      link: /crash-course/00/index.md
 
 features:
   - title: 派神启动