华为云账号名:hw05669297 所在团队名称+学校名称:一炮冲天 太原理工大学 实践感想:细节尤其重要,一点不对,就是error 实践截图:![QQ图片20200906222816.png](https://bbs-img-cbc-cn.obs.cn-north-1.myhuaweicloud.com/data/attachment/forum/202009/06/223012ixuanilg7vsflpqk.png) ![QQ图片20200906222827.png](https://bbs-img-cbc-cn.obs.cn-north-1.myhuaweicloud.com/data/attachment/forum/202009/06/223019vs8ksucr3hgzt1nq.png) ![QQ图片20200906222833.png](https://bbs-img-cbc-cn.obs.cn-north-1.myhuaweicloud.com/data/attachment/forum/202009/06/223025ftkcgxam6ef429go.png)