save project

diy2.py

@@ -7,7 +7,7 @@ while True:
         print("登录成功!")
         print("登录成功!")
         break
         break
     if name!=username:
     if name!=username:
-        print("用户名不存在！")
+        print("用户名错误，请重新输入！")
         continue
         continue
     if password!=userpassword:
     if password!=userpassword:
         print("密码错误，请重新输入！")
         print("密码错误，请重新输入！")