可以编辑以下两个文件:

wp-includes/script-loader.php

wp-content/themes/主题名称/functions.php

找到

open_sans_font_url = "//fonts.googleapis.com/css?family1=Open+Sans:300italic,400italic,600italic,300,400,600⊂=$subsets";

把googleapis.com换成360的字体库:useso.com