My fonts.conf

fonts.conf

<?xml version='1.0'?>
<!DOCTYPE fontconfig SYSTEM 'fonts.dtd'>
<fontconfig>
    <dir>~/.fonts</dir>
    
    <match target="pattern">
        <test name="family"><string>sans-serif</string></test>
        <edit name="family" binding="strong" mode="prepend">
            <string>Droid Sans</string>
            <string>Source Han Sans CN</string>
            <string>Source Han Sans TW</string>
            <string>Source Han Sans JP</string>
        </edit>
        <edit name="family" binding="strong" mode="append">
            <string>Symbola</string>
            <string>Unifont</string>
        </edit>
    </match>
    <match target="pattern">
        <test name="family"><string>serif</string></test>
        <edit name="family" binding="strong" mode="prepend">
            <string>Droid Serif</string>
            <string>AR PL UMing CN</string>
            <string>Source Han Sans CN</string>
            <string>Source Han Sans TW</string>
            <string>Source Han Sans JP</string>
        </edit>
        <edit name="family" binding="strong" mode="append">
            <string>Symbola</string>
            <string>Unifont</string>
        </edit>
    </match>
    <match target="pattern">
        <test name="family"><string>monospace</string></test>
        <edit name="family" binding="strong" mode="prepend">
            <string>Source Code Pro</string>
            <string>WenQuanYi Micro Hei</string>
        </edit>
        <edit name="family" binding="strong" mode="append">
            <string>Symbola</string>
            <string>Unifont</string>
        </edit>
    </match>


    <!-- hinting -->
    <match target="font">
        <test name="family" compare="contains">
            <string>Source Han Sans</string>
        </test>
        <edit name="hintstyle" mode="assign">
            <const>hintnone</const>
        </edit>
    </match>


    <!-- Font Alias -->
    <alias>
        <family>楷体</family>
        <prefer><family>AR PL UKai CN</family></prefer>
    </alias>
    <!--alias>
        <family>宋体</family>
        <prefer><family>AR PL UMing CN</family></prefer>
    </alias-->
</fontconfig>