Ubuntu 20.04 英文环境部分中文字体异形解决方案

Ubuntu 20.04如果安装时默认选择英文，使用时会发现在浏览器或者 gedit 等界面上出现部分汉字显示不正常，比如“关”和“复”显示偏小，“门”字中间有一点，如下图：

其实是因为 CJK 字体日语默认的优先级比较高，这些字显示的是日文字体，解决方法如下：

1

vim /etc/fonts/conf.d/64-language-selector-prefer.conf

原文件内容：

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<?xml version="1.0"?>
<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
<fontconfig>
	<alias>
		<family>sans-serif</family>
		<prefer>
			<family>Noto Sans CJK JP</family>
			<family>Noto Sans CJK KR</family>
			<family>Noto Sans CJK SC</family>
			<family>Noto Sans CJK TC</family>
			<family>Noto Sans CJK HK</family>
			<family>Lohit Devanagari</family>
		</prefer>
	</alias>
	<alias>
		<family>serif</family>
		<prefer>
			<family>Noto Serif CJK JP</family>
			<family>Noto Serif CJK KR</family>
			<family>Noto Serif CJK SC</family>
			<family>Noto Serif CJK TC</family>
			<family>Lohit Devanagari</family>
		</prefer>
	</alias>
	<alias>
		<family>monospace</family>
		<prefer>
			<family>Noto Sans Mono CJK JP</family>
			<family>Noto Sans Mono CJK KR</family>
			<family>Noto Sans Mono CJK SC</family>
			<family>Noto Sans Mono CJK TC</family>
			<family>Noto Sans Mono CJK HK</family>
		</prefer>
	</alias>
</fontconfig>

更改后内容：

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<?xml version="1.0"?>
<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
<fontconfig>
	<alias>
		<family>sans-serif</family>
		<prefer>
			<family>Noto Sans CJK SC</family>
			<family>Noto Sans CJK TC</family>
			<family>Noto Sans CJK HK</family>
			<family>Noto Sans CJK JP</family>
			<family>Noto Sans CJK KR</family>
			<family>Lohit Devanagari</family>
		</prefer>
	</alias>
	<alias>
		<family>serif</family>
		<prefer>
			<family>Noto Serif CJK SC</family>
			<family>Noto Serif CJK TC</family>
			<family>Noto Serif CJK JP</family>
			<family>Noto Serif CJK KR</family>
			<family>Lohit Devanagari</family>
		</prefer>
	</alias>
	<alias>
		<family>monospace</family>
		<prefer>
			<family>Noto Sans Mono CJK SC</family>
			<family>Noto Sans Mono CJK TC</family>
			<family>Noto Sans Mono CJK HK</family>
			<family>Noto Sans Mono CJK JP</family>
			<family>Noto Sans Mono CJK KR</family>

		</prefer>
	</alias>
</fontconfig>

效果：