1、删除source/plugin 下的文件qqconnect文件夹
2、删除数据：
DELETE FROM `dn_common_plugin` WHERE `identifier` = ‘qqconnect‘; DELETE FROM `dn_common_setting` WHERE `skey` = ‘connect‘;
删除qq互联
原文：http://www.cnblogs.com/kedarui/p/3980447.html
