it is found that the format of ordinary text and svg content in cola learning courseware is the same, and font-family is Microsoft Yahei. As shown in the following figure
mathjax svg http://docs.mathjax.org/en/la...
I wonder how Coke is realized. (because the mathjax displayed in the console downloads the character set instantly, and it is a js file with specific object properties, there seems to be no way to expand our own fonts. )