save project

diy2.py

@@ -6,6 +6,7 @@ while True:
     if name == username and password == userpassword:
         print("登录成功!")
         break
+    if name!=userword:
     print("用户名和密码错误!请重新输入")
 print("欢迎来到贝尔编程!")
     if password = userword: