save project

diy1.py

@@ -8,6 +8,7 @@ while True:
         break
     if qwq != username:
         print("用户账号不存在!")
+        continue
     if sb != userpassword:
         print("用户密码不正确!")
 print("欢迎进入编程世界！")
\ No newline at end of file