About Gravatar's photos can't load in China

Preface

This bug was in all version.

It isn't theme's bug,is Typecho's bug

So,how to solve this bug?

Way

Modifying the source code of Typecho program

Codes' file and place:wwwroot/var/Typecho/Common.php on number 937 line

Before revision's codes

$url = $isSecure ? 'https://secure.gravatar.com' : 'http://www.gravatar.com';

After revision's codes

$url = $isSecure ? 'https://sdn.geekzu.org' : 'http://www.gravatar.com';

Among them https://sdn.geekzu.org It can be replaced by another domestic agent address of gravatar