save project

diy2.py

@@ -6,9 +6,9 @@ while True:
     if name == username and password == userpassword:
         print("登录成功!")
         break
-    if name != username:
+    elif name != username:
         print("用户不存在，请重输")
-        continue
+        
     if password != userpassword:
         print("密码错误，请重输")
 print("欢迎")