save project

dgs.py

@@ -6,6 +6,7 @@ while True:
     if name==username and userpassword==passward:
     if name==username and userpassword==passward:
         print("登录成功")
         print("登录成功")
         break
         break
-    print("输入错误，请重新输入")
+    if name != username:
+        print("用户不存在，qing'cho")
 print("欢迎来到贝尔编程")
 print("欢迎来到贝尔编程")