Merge branch 'dev' of https://github.com/lln7777/zhuyun into sx_func
Merge branch 'dev' of https://github.com/lln7777/zhuyun into sx_func
Merge branch 'dev' of https://github.com/lln7777/zhuyun into sx_func
拖动完成后取消选中状态
fix 拖动的bug
层和组件有连线，拖动时不可将组件拖进层中。
Merge branch 'sx_func' of https://github.com/lln7777/zhuyun into dev