From 5e1341d7e039707fe3b740456d8742e698b83991 Mon Sep 17 00:00:00 2001
From: Danmei Chen <danmei.chen@belledonne-communications.com>
Date: Tue, 5 Mar 2019 14:40:28 +0100
Subject: [PATCH] fix crash of refresh data in ChatConversationView

---
 Classes/ChatConversationView.m | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Classes/ChatConversationView.m b/Classes/ChatConversationView.m
index dedea872a..e9871972e 100644
--- a/Classes/ChatConversationView.m
+++ b/Classes/ChatConversationView.m
@@ -141,6 +141,8 @@ static UICompositeViewDescription *compositeDescription = nil;
 - (void)refreshData {
     [_tableController refreshData];
     [refreshControl endRefreshing];
+	if (_tableController.totalNumberOfItems == 0)
+		return;
     [_tableController loadData];
     [_tableController.tableView scrollToRowAtIndexPath:[NSIndexPath indexPathForRow:_tableController.currentIndex inSection:0]
                           atScrollPosition:UITableViewScrollPositionTop