修正放大缩小画布的方法
Merge branch 'feature/scale' into dev
蒙板半透明
Merge branch 'feature/transparent' into dev
Merge branch 'sx_func' of https://github.com/lln7777/zhuyun into dev
Merge branch 'sx_func' of https://github.com/lln7777/zhuyun into dev
fix 四个角+连线 bug