save project

diy2.py

@@ -9,7 +9,7 @@ while True:
         if name == username and password == userpassword:
             print("登录成功!")
             break
-        else name != username:
+        if name != username:
             print("用户名不存在,请重新输入")
             continue
         if userpassword != userpassword1: