可能是google字体的原因
1.找到wordpress目录下wp-includes/script-loader.php这个文件
2.查找open_sans_font_url这个字段，把后面的fonts.google.com改成fonts.useso.com
$open_sans_font_url = "https://fonts.useso.com/css?family=Open+Sans:300italic,400italic,600italic,300,400,600&subset=$subsets";