diff --git a/main.py b/main.py
index e2023a1..0aa0fc1 100644
--- a/main.py
+++ b/main.py
@@ -73,17 +73,24 @@ def pseudo_zsh():
                 except FileNotFoundError:
                     print(f"cd: no such file or directory: {args[1]}")  # 目录不存在
                 continue
-            if args[0] == 'ls':
-                if len(args) == 1:
-                   args.append('-l')  # 默认参数
-                subprocess.run(['ls'] + args[1:])  # 执行 ls 命令
+
             if args[0] == 'l':
-                if len(args) == 1:
-                   args.append('-l')
-                subprocess.run(['ls'] + args[1:])
+                subprocess.run(['ls','-l'])  # 执行 ls 命令
+
             if args[0] == 'ssh1':
                 subprocess.run(['ssh','root@10.147.17.161'])
-            if args[0] == 'sudo':
+
+            if args[0] == 'update':
+                try:
+                    subprocess.run(['git', 'pull'])
+                    subprocess.run(['git', 'push'])
+                    print("Code synchronized successfully.")
+                    print("Restarting the program...")
+                    os.execv(sys.executable, ['python3'] + sys.argv)  # 重新运行程序
+                except Exception as e:
+                    print(f"Error during update: {e}")
+
+            if args[0] == 'sudo': 
                 flight1 = True
                 a = 0
                 for attempt in range(3):  # 循环 3 次