save project

diy1.py

@@ -8,6 +8,7 @@ while True:
         break
     if zh != username:
         print("账号错误，请重新输入！")
+        continue
     if mm != userpassword:
         print("密码错误，请重新输入！")
 print("欢迎来到贝尔编程！")        
\ No newline at end of file