IOS 单聊

    ChatViewController *chatVC = [[ChatViewController alloc] initWithConversationChatter:@"6666" conversationType:EMConversationTypeChat];

//    chatVC.title = @"一对一聊天";

    [self.navigationController pushViewController:chatVC animated:YES];
 
进入单聊界面
 
        _conversation = [[EMClient sharedClient].chatManager getConversation:conversationChatter type:conversationType createIfNotExist:YES];
打印_conversation为nil