diff --git a/python_jc.py b/python_jc.py
index bbb6c4d..74d442f 100644
--- a/python_jc.py
+++ b/python_jc.py
@@ -1,68 +1,69 @@
 import sys
 import os
-from time import *
-from time import sleep
 import urllib.request
 import webbrowser
+from time import sleep, strftime
 
 
 ml = os.getcwd()
 file_error = '文件丢失，请重新安装！！'
+ERROR_MSG = '错误：'
 
 
-# def
 def open_exe(exe_name):
     if os.path.exists(os.path.join(ml, f"{exe_name}.exe")):
         os.system(f"start {exe_name}.exe")
     else:
         print(file_error)
         sleep(1)
-    pass
+
+
 def check_internet(url='http://www.baidu.com/', timeout=5):
     try:
         urllib.request.urlopen(url, timeout=timeout)
         return True
     except Exception as e:
-        print('WIFI连接不正常，请检测wifi连接后再试吧')
+        print(f'{ERROR_MSG}{strftime("%Y-%m-%d %H:%M:%S")}: WIFI连接不正常，请检测wifi连接后再试吧')
         sleep(5)
         print('是否继续启动程序(Y.是，N.不是)?')
         input_xz = str(input('>>>'))
         if input_xz != None:
-            if input_xz == 'Y' or 'y':
+            if input_xz.lower() == 'y':
                 open_exe('client')
-            elif input_xz == 'N' or 'n':
+            elif input_xz.lower() == 'n':
                 sys.exit()
             else:
                 print('请输入英文字母!!')
                 sleep(1.5)
-                pass
-            pass
         else:
             print('错误：没有输入文字')
             sleep(1.5)
         return False
 
-# try
-def python():
+
+def check_python_installation():
     if sys.version_info.major < 3:
         check_internet()
     else:
-        print("error：没有安装pip包管理工具和python3.x")
+        print(f'{ERROR_MSG}{strftime("%Y-%m-%d %H:%M:%S")}: 没有安装pip包管理工具和python3.x')
         sleep(1)
         webbrowser.open('https://python.org/downloads/')
-        print("请安装Pip或者python")
+        print('请安装Pip或者python')
         print('是否继续启动程序(Y.是，N.不是)?')
         input_xz = str(input('>>>'))
         if input_xz != None:
-            if input_xz == 'Y' or 'y':
+            if input_xz.lower() == 'y':
                 open_exe('client')
-            elif input_xz == 'N' or 'n':
+            elif input_xz.lower() == 'n':
                 sys.exit()
             else:
                 print('请输入英文字母!!')
                 sleep(1.5)
-                pass
         else:
             print('错误：没有输入文字,默认退出！')
             sleep(1.5)
             sys.exit()
+
+
+if __name__ == '__main__':
+    check_python_installation()
\ No newline at end of file