[https://docs.easyeda.com/en/Introduction/Basic-Skill/index.html#Histories-Record](https://docs.easyeda.com/en/Introduction/Basic-Skill/index.html#Histories-Record) [https://docs.easyeda.com/en/Introduction/Basic-Skill/index.html#Document-Recovery](https://docs.easyeda.com/en/Introduction/Basic-Skill/index.html#Document-Recovery)

Hi If you close your file and open it again, does it being normal?

@UserSupport It's still like shownn in the picture even though I open it again. But fortunately I recovered the file from history record.

It looks like you've just made layers invisible ('Layers and objects' panel, eye between colored rectangle and layer name)