/**
  * 褰撹Е鍙慓etUserInfo鍚庯紝寰楀埌Conversation鍚庯紝鍒锋柊鐣岄潰 閫氬父瑙﹀彂鐨勬儏鍐垫槸鏂颁細璇濆垱寤烘椂鍒锋柊鐩爣澶村儚
  *
  * @param conversationRefreshEvent
  */
 public void onEvent(ConversationRefreshEvent conversationRefreshEvent) {
   Log.i(TAG, "ConversationRefreshEvent execute");
   Conversation conv = conversationRefreshEvent.getConversation();
   if (conv.getType() == ConversationType.single) {
     File file = conv.getAvatarFile();
     if (file != null) {
       mConvListController.loadAvatarAndRefresh(conv.getTargetId(), file.getAbsolutePath());
     }
   } else {
     mConvListController.getAdapter().notifyDataSetChanged();
   }
 }