页面缓存更新问题

location ~ .*\.(gif|jpg|jpeg|png|bmp|swf)$
    {
        expires      -1;
        error_log off;
        access_log /dev/null;
    }
    
    location ~ .*\.(js|css|html)?$
    {
        expires      -1;
        error_log off;
        access_log /dev/null;
        add_header Cache-Control no-cache;
    }