乐天
>  delete code
字段是datetime类型 
[测试文件.xlsx](https://github.com/dotnetcore/Magicodes.IE/files/6605585/default.xlsx)
Planned.
> 钉钉小程序版本本周发布，尽情期待 老哥 钉钉小程序版本发布了没，我在里面没有找到版本 在Aliapp打开不行
Is there a solution to this problem？ I met it, too {"ExecuteReader requires an open and available Connection. The connection's current state is connecting."}