@Background
 void unbindQQAccount() {
   userService
       .unBindAccount(getUserId(), BUND_TYPE_QQ, qqOpenId)
       .identify(kREQ_ID_unbindQQAccount = RequestChannel.getChannelUniqueID(), this);
 }
 @Background
 void unbindWeiBoAccount() {
   userService
       .unBindAccount(getUserId(), BUND_TYPE_WEIBO, weiboOpenId)
       .identify(kREQ_ID_unbindWeiboAccount = RequestChannel.getChannelUniqueID(), this);
 }