save project

diy2.py

@@ -9,7 +9,8 @@ while True:
         break
     if name!=username:
         print("用户名错误!请重新输入")
+        continue
     if userpassword!=password:
         print("密码错误!请重新输入")
-
+        continue
 print("欢迎来到贝尔编程!")
\ No newline at end of file