EasyEDA Std Schematic FAQ
Schematic
If I update the schematic, how do I then update the PCB?
Using: "Menu - Design - Update PCB".
Alternatively, you can import changes from the schematic from within the PCB Editor:
https://docs.easyeda.com/en/PCB/Import-Changes/index.html
How to rename a Sheet/Page or modify description.
In this menu, there is a Modify option, so you can rename your files. Double click or right-click the sheet tab can change the sheet title too. 
What is the unit of the schematic sheet? How to change schematic unit?
The basic unit of the schematic sheet is the pixel. 1 pixel is about 10mil (0.001 inch) but please note that this use of the pixels as a unit in a schematic is just for reference.
For a complex project, I want to split the schematic over several sheets. Does EasyEDA support hierarchy?
EasyEDA don't support hierarchy, but support multi-sheets。 Please check out this link https://docs.easyeda.com/en/Schematic/Multi-Sheet/index.html
How to change the sheet size and modify the design information.
To change the sheet size, move the mouse anywhere over the lower right area of the drawing border or frame until the whole border highlights red and then right-click on it. Paper size and orientation can then be changed in Sheet Attributes in the right hand panel.
To modify the design information, left-click on the relevant blue text in the lower right area of the drawing border or frame to change it in Text Attributes in the right hand panel. Double left-clicking the blue text will allow you to type new information directly into the field.
How to indicate low electronic level in the Schematic Pin or Netlabel
You can add a # characater in the pin name/netlabel last text. You can use symbols that you are familiar with. You do not have to add a line above the netlabel name.
I can't convert schematic to PCB. Why is this?
- You have not set the right footprints for your components.
- Prefix Conflict Error
- Invalid footprints