notice: trying to get property of non-object 在 _dmemcache_get_pieces() (行 330 在 /data/www/oceanoptics.cn/html/sites/all/modules/memcache/dmemcache.inc).
notice: unserialize(): error at offset 0 of 761278 bytes 在 _dmemcache_get_pieces() (行 340 在 /data/www/oceanoptics.cn/html/sites/all/modules/memcache/dmemcache.inc).