ios 构造消息发送成功，对方接收到，自己消息内容没有刷新，从新进入聊天才能看到

if (self.conversation.type == EMConversationTypeGroupChat){

        message.chatType = EMChatTypeGroupChat;

    }

    else if (self.conversation.type == EMConversationTypeChatRoom){

        message.chatType = EMChatTypeChatRoom;

    }

    

    __weak typeof(self) weakself = self;

    if (!([EMClient sharedClient].options.isAutoTransferMessageAttachments) && isUploadFile) {

        UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:nil message:NSLocalizedString(@"message.autoTransfer", @"Please customize the transfer attachment method") delegate:nil cancelButtonTitle:NSLocalizedString(@"sure", @"OK") otherButtonTitles:nil, nil];

        [alertView show];

    } else {

        [self addMessageToDataSource:message

                            progress:nil];

        

        [[EMClient sharedClient].chatManager sendMessage:message progress:^(int progress) {

            if (weakself.dataSource && [weakself.dataSource respondsToSelector:@selector(messageViewController:updateProgress:messageModel:messageBody:)]) {

                [weakself.dataSource messageViewController:weakself updateProgress:progress messageModel:nil messageBody:message.body];

            }

        } completion:^(EMMessage *aMessage, EMError *aError) {

            if (!aError) {

                [weakself _refreshAfterSentMessage:aMessage];

            }

            else {

                [weakself.tableView reloadData];

            }

        }];

    }