Fix:fix db connection 数据库连接断开的bug See merge request !13
ADD:add https 增加https See merge request !12
Fix little bug See merge request !11
Fix little bug See merge request !10
Zhaoyue dev See merge request !9
Zhaoyue dev4 See merge request !7
Fix names 删除了一些重复的entity文件，对相应功能做了合并。 See merge request !6
