通过在函数文件functions.php文件中添加以下代码禁用谷歌字体:

 

function coolwp_remove_open_sans_from_wp_core() {
 wp_deregister_style( 'open-sans' );
 wp_register_style( 'open-sans', false );
 wp_enqueue_style('open-sans','');
}
add_action( 'init', 'coolwp_remove_open_sans_from_wp_core' );

另外:插件禁用谷歌字体服务;

插件名称:Remove Open Sans font Link from WP core

插件地址:http://wordpress.org/plugins/remove-open-sans-font-from-wp-core/