/etc/fonts/local.conf

local.conf

<?xml version="1.0"?>
<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
<fontconfig>
<match target="scan">
	<test name="family">
		<string>WenQuanYi Micro Hei</string>
	</test>
	<edit name="charset">
		<minus>
			<name>charset</name>
			<charset>
				<int>0x2103</int>
				<int>0x2109</int>
				<int>0x212B</int>
				<int>0x2164</int>
				<int>0x2169</int>
			</charset>
		</minus>
	</edit>
</match>
<match target="scan">
	<test name="family">
		<string>WenQuanYi Micro Hei Mono</string>
	</test>
	<edit name="charset">
		<minus>
			<name>charset</name>
			<charset>
				<int>0x2103</int>
				<int>0x2109</int>
				<int>0x212B</int>
				<int>0x2164</int>
				<int>0x2169</int>
			</charset>
		</minus>
	</edit>
</match>
<match>
	<test name="family"><string>sans-serif</string></test>
	<edit name="family" mode="prepend" binding="strong">
		<string>Noto Sans CJK SC</string>
		<string>Noto Color Emoji</string>
	</edit>
</match>
<match>
	<test name="family"><string>serif</string></test>
	<edit name="family" mode="prepend" binding="strong">
		<string>Noto Serif CJK SC</string>
		<string>Noto Color Emoji</string>
	</edit>
</match>
<match>
	<test name="family"><string>monospace</string></test>
	<edit name="family" mode="prepend" binding="strong">
		<string>WenQuanYi Micro Hei Mono</string>
		<string>Noto Sans Mono</string>
		<string>Noto Sans Mono CJK SC</string>
		<string>Noto Color Emoji</string>
	</edit>
</match>
<match>
	<test name="family"><string>system-ui</string></test>
	<edit name="family" mode="prepend" binding="strong">
		<string>Noto Sans CJK SC</string>
		<string>Noto Color Emoji</string>
	</edit>
</match>
</fontconfig>