Hi,
When I make export schematic to PNG file I found many extra square dots
![2020-01-21 at 02-20-43.png](//image.easyeda.com/pullimage/g4dsFhcUZLl7arHI4iOom72sglQrig7FgmpkPVfw.png)
Export to PDF is ok - no extra dots found
![2020-01-21 at 02-21-02.png](//image.easyeda.com/pullimage/NKY582MWn8A4EtgQcyDCVApY6uEdrygiTgtyOlKM.png)
Both export I was with default settings
Firefox
72.0
Windows
10
EasyEDA
6.3.22