diff --git a/docs/.vitepress/sidebar/index.ts b/docs/.vitepress/sidebar/index.ts
index 0d35947..4f274b2 100644
--- a/docs/.vitepress/sidebar/index.ts
+++ b/docs/.vitepress/sidebar/index.ts
@@ -111,14 +111,7 @@ export const sidebar: DefaultTheme.Sidebar = {
       ]
     },
     {
-      text: 'QT 桌面开发',
-      collapsed: true,
-      items: [
-
-      ]
-    },
-    {
-      text: 'Linux 高并发服务器开发',
+      text: 'Qt 桌面开发',
       collapsed: true,
       items: [
 
diff --git a/docs/notes/01_c-basic/07_xdx/index.md b/docs/notes/01_c-basic/07_xdx/index.md
index b2a2d81..df850c7 100644
--- a/docs/notes/01_c-basic/07_xdx/index.md
+++ b/docs/notes/01_c-basic/07_xdx/index.md
@@ -249,6 +249,8 @@ int main() {
 
 # 第二章：printf 函数
 
+## 2.1 概述
+
 
 
 
@@ -256,3 +258,5 @@ int main() {
 
 
 # 第三章：scanf 函数
+
+## 3.1 概述