save project

diy2.py

@@ -7,6 +7,7 @@ while True:
         print("登录成功!")
         print("登录成功!")
     if name != username and password == userpassword: 
     if name != username and password == userpassword: 
         print("用户名错误")
         print("用户名错误")
+        continue
     if name == username and password != userpassword: 
     if name == username and password != userpassword: 
         print("密码错误")
         print("密码错误")
         break
         break