在终端执行 gsettings set org.gnome.gedit.preferences.encodings auto-detected "['UTF-8','GB18030','GB2312','GBK','BIG5','CURRENT','UTF-16']"
在终端执行 gsettings set org.gnome.gedit.preferences.encodings auto-detected "['UTF-8','GB18030','GB2312','GBK','BIG5','CURRENT','UTF-16']"