在主题中的functions.php文件末尾加上以下代码即可(外观>编辑>functions.php)

 //官方Gravatar头像调用ssl头像链接
function get_ssl_avatar($avatar) {
$avatar = preg_replace('/.*\/avatar\/(.*)\?s=([\d]+)&.*/','<img src="https://secure.gravatar.com/avatar/$1?s=$2" class="avatar avatar-$2" height="$2" width="$2">',$avatar);
return $avatar;
}
05-06 11:10