diff --git a/main.py b/main.py
index 29227c1..c5e56f7 100644
--- a/main.py
+++ b/main.py
@@ -1,36 +1,46 @@
 import os
-import re
-import signal
-import readline  # 用于支持历史记录
+import shlex
+import subprocess
+import readline
 
-# 标志位，用于处理信号
-interrupted = False
+def completer(text, state):
+    commands = os.listdir('/bin') + os.listdir('/usr/bin') + os.listdir('/usr/local/bin')
+    matches = [cmd for cmd in commands if cmd.startswith(text)]
+    return matches[state] if state < len(matches) else None
 
-def signal_handler(signal, frame):
-    global interrupted
-    interrupted = True  # 设置标志位
+def pseudo_zsh():
+    readline.parse_and_bind("tab: complete")
+    readline.set_completer(completer)
+    
+    while True:
+        try:
+            cmd = input("20240915786@\u9648\u5764\u9633 ~ % ")
+            
+            if cmd.strip() == "hexianglong":
+                print("Exiting secret mode...")
+                break
+            
+            args = shlex.split(cmd)
+            if not args:
+                continue
+            
+            if args[0] == 'cd':
+                try:
+                    os.chdir(args[1])
+                except IndexError:
+                    print("cd: missing argument")
+                except FileNotFoundError:
+                    print(f"cd: no such file or directory: {args[1]}")
+                continue
+            
+            try:
+                subprocess.run(args)
+            except FileNotFoundError:
+                print(f"zsh: command not found: {args[0]}")
+        except KeyboardInterrupt:
+            pass
+        except EOFError:
+            pass
 
-signal.signal(signal.SIGINT, signal_handler)
-
-os.system('clear')
-print(f"Last login: Tue Apr  1 20:23:24 on ttys001")
-
-def shell():
-    dir = os.getcwd()
-    if dir == '/':
-        CmdDir = '/'
-    elif re.match(dir, "/home/*"):  # 用户目录下的任意文件夹
-        CmdDir = '~'
-    else:
-        CmdDir = dir.split('/')[-1]
-    print(f'20250910553@何相龙 {CmdDir} % ', end='')
-    cmd = input().strip()  # 去除输入中的多余空白字符，包括换行符
-    if cmd:  # 如果输入不为空，保存到历史记录
-        readline.add_history(cmd)
-        os.system(cmd)
-
-while True:
-    if interrupted:
-        print("\nSignal received. Type 'exit' to quit.")
-        interrupted = False  # 重置标志位
-    shell()
\ No newline at end of file
+if __name__ == "__main__":
+    pseudo_zsh()
\ No newline at end of file