新建文件保存后关闭的opened问题
Merge branch 'master' of https://github.com/AirCoding/AirCoding
弹框修正
Merge branch 'master' of https://github.com/AirCoding/AirCoding
目录树删除时判断是否是最后一个元素
Merge branch 'master' of https://github.com/AirCoding/AirCoding