save project

diy1.py

@@ -11,6 +11,7 @@ while True:
         break
     if name!=username:
         print("用户名不存在,请重新输入")
+        continue
     if password!=userpassword:
         print("用户名密码错误,请重新输入")
 print("欢迎来到贝尔编程")
\ No newline at end of file