Box display in Ubuntu flash with Chinese garbled characters

Chinese characters in Flash cannot be displayed. There are two solutions on the Internet:/etc/fonts/CONF. d/49-sanserif.conf
One way is to delete it, and the other way is to change the settings in it (Change sans-serif to wenquanyi zheng)

Method 1: Delete
CD/etc/fonts/CONF. d/
Sudo CP 49-sanserif.conf 49-sanserif.conf.backup
Sudo RM 49-sanserif.conf

Method 2: Modify the font
CD/etc/fonts/CONF. d/
Sudo gedit 49-sanserif.conf
Returns the last four rows.
<String> sans-serif </string>
Change
<String> wenquanyi zhenghei </string>