diff --git a/docx/CHANGELOG.md b/docx/CHANGELOG.md
index 8e2671e..ef16dde 100644
--- a/docx/CHANGELOG.md
+++ b/docx/CHANGELOG.md
@@ -1,4 +1,18 @@
-# [0.33](https://github.com/shelllet/winui/compare/main...dev) (2024-2-24)
+# [0.34](https://github.com/shelllet/winui/compare/main...dev) (2024-3-xx)
+
+### Changed：
+
+1. 改进预览和调试功能。
+2. 发送按键支持 <kbd>Alt</kbd> + <kbd>Tab</kbd>。
+3. 关机动作优化，增加注销和重启功能。
+
+### Deprecated:
+
+### Note
+
+1. about:blank
+
+## [0.33](https://github.com/shelllet/winui/compare/main...dev) (2024-2-24)
 
 ### Changed：
 
diff --git a/docx/_coverpage.md b/docx/_coverpage.md
index 5742c0c..2296748 100644
--- a/docx/_coverpage.md
+++ b/docx/_coverpage.md
@@ -5,6 +5,6 @@
 - Right now support down to build 17763 (version 1809/October 2018 Update) of Windows 10.
 
 [微软商店](https://apps.microsoft.com/store/detail/XP9BRHTXN0Z3V7)
-[下载](https://api.winui.net/simple/v3/download ':id=simple')
+[下载](https://winui.net/simple/v3/download ':id=simple')
 
 
diff --git a/docx/_sidebar.md b/docx/_sidebar.md
index 262d50f..38f5662 100644
--- a/docx/_sidebar.md
+++ b/docx/_sidebar.md
@@ -23,7 +23,7 @@
       - [打开应用](./actions/system/OpenApplication.md)
       - [打开文件](./actions/system/LaunchFile.md)
       - [打开链接](./actions/system/OpenUri.md)
-      - [关机](./actions/system/ShutdownSystem.md)
+      - [退出系统](./actions/system/ExitWindows.md)
       - [关闭句柄](./actions/system/CloseHandle.md)
       - [检测进程](./actions/system/ExistProcess.md)
       - [终止进程](./actions/system/KillProcess.md)
@@ -296,4 +296,5 @@
     - [FeatureAlgorithm](./enums/FeatureAlgorithm.md)
     - [WindowSortDirection](./enums/WindowSortDirection.md)
     - [FileExtension](./enums/FileExtension.md)
+    - [ExitWindowsOption](./enums/ExitWindowsOption.md)
   - [Changelog](./CHANGELOG.md)
\ No newline at end of file
diff --git a/docx/actions/control/For.md b/docx/actions/control/For.md
index 8c94b73..bc71c41 100644
--- a/docx/actions/control/For.md
+++ b/docx/actions/control/For.md
@@ -10,7 +10,7 @@
 ## 运行参数
 
 * 次数
-> 循环次数
+> 循环次数, 从 *0* 开始。
 
 
 ## 输出
diff --git a/docx/actions/system/ShutdownSystem.md b/docx/actions/system/ExitWindows.md
similarity index 63%
rename from docx/actions/system/ShutdownSystem.md
rename to docx/actions/system/ExitWindows.md
index 2cb77e2..1737089 100644
--- a/docx/actions/system/ShutdownSystem.md
+++ b/docx/actions/system/ExitWindows.md
@@ -1,7 +1,8 @@
-# 关机 
-该动作可以关闭操作系统，也就是电脑关机。
+# 退出系统 
+关闭操作系统，或者注销当前交互的用户，或者重启操作系统。
+
+![ExitWindows](./images/09.png ':size=90%')
 
-![ShutdownSystem](./images/09.png ':size=90%')
 ## 权限
 > 无要求
 
@@ -11,24 +12,17 @@
 
 ## 运行参数
 
+* 类型
+> 注销，关机或者重启，参考：[ExitWindowsOption](./enums/ExitWindowsOption.md)
 
 ## 输出
 
 > 无
 
-## 脚本调用
-
-```python
-import simple;
-
-r = simple.ShutdownSystemRunner()
-
-r.run()
-```
 
 ## 资源
 
-* 示例流程：https://github.com/shelllet/WinUi/blob/main/system/ShutdownSystem.simple
+* 示例流程：https://github.com/shelllet/WinUi/blob/main/system/ExitWindows.simple
 
 
 <iframe type="text/html" height="640px" src="https://www.youtube.com/embed/jILoz5Ctq9w" frameborder="0"></iframe>
diff --git a/docx/enums/ExitWindowsOption.md b/docx/enums/ExitWindowsOption.md
new file mode 100644
index 0000000..3ca2f02
--- /dev/null
+++ b/docx/enums/ExitWindowsOption.md
@@ -0,0 +1,8 @@
+# ExitWindowsOption
+
+* LOGOFF
+> 注销。
+* REBOOT
+> 重启。
+* SHUTDOWN
+> 关机。
diff --git a/docx/introduction/README.md b/docx/introduction/README.md
index 3fbf7b0..5ae9393 100644
--- a/docx/introduction/README.md
+++ b/docx/introduction/README.md
@@ -27,21 +27,10 @@
 ![wx](./images/wx.png ":size=40%")
 
 <script>
-  function fixed(url)
-  {
-    Docsify.get(url).then((text, )=>{
+  Docsify.get('https://winui.net/simple/v3/buy_url').then((text, )=>{
       document.getElementById('buy').href = text;
       document.getElementById('buy').innerText = text;
     });
-  }
-  
-  Docsify.get('https://api.winui.net/simple/v3/latest').then(()=>{
-    fixed('https://api.winui.net/simple/v3/buy_url');
-  }, (reason)=>{
-     fixed('https://winui.net/simple/v3/buy_url');
-  })
-    
-
 </script>
 
 - PayPal 购买 [https://www.paypal.com/paypalme/junwufan](https://www.paypal.com/paypalme/junwufan) \* ，可加入 [Discord](https://discord.gg/b4MeYbJrfk) 咨询交流。