diff --git a/lockScreen/lockScreen.py b/lockScreen/lockScreen.py
new file mode 100644
index 0000000..083af7b
--- /dev/null
+++ b/lockScreen/lockScreen.py
@@ -0,0 +1,30 @@
+# -*- coding: utf-8 -*-
+# 使用ctypes模块进行操作
+from ctypes import *
+import time
+#user32 = windll.LoadLibrary('user32.dll')
+#user32.LockWorkStation()
+HWND_BROADCAST = 0xffff
+WM_SYSCOMMAND = 0x0112
+SC_MONITORPOWER = 0xF170
+MonitorPowerOff = 2
+SW_SHOW = 5
+
+def main():
+    windll.user32.PostMessageW(HWND_BROADCAST, WM_SYSCOMMAND,
+                               SC_MONITORPOWER, MonitorPowerOff)
+    shell32 = windll.LoadLibrary("shell32.dll")
+    shell32.ShellExecuteW(None,'open', 'rundll32.exe',
+                          'USER32,LockWorkStation','',SW_SHOW)
+def printSleep():
+    tmp = 10
+    load = 60
+    for x in range(tmp):
+       print(load*(tmp-x),"秒后锁屏")
+       time.sleep(load)
+       
+    
+if __name__ == "__main__":
+    print( "Win32 Application in python" )
+    printSleep()
+    main()
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diff --git a/装饰器-Decorator/test1.py b/装饰器-Decorator/test1.py
new file mode 100644
index 0000000..aa16cc4
--- /dev/null
+++ b/装饰器-Decorator/test1.py
@@ -0,0 +1,3 @@
+def one():
+    pass
+one()
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