From 9a555a386cb1a8b23403b9b9772eb44d07682cee Mon Sep 17 00:00:00 2001
From: oneRain <onerain88@gmail.com>
Date: Thu, 17 Dec 2020 12:19:50 +0800
Subject: [PATCH] chore: chatroom forbide to read.

---
 Realtime/Realtime/Conversation/LCIMChatRoom.cs     | 4 ++++
 Realtime/Realtime/Conversation/LCIMConversation.cs | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/Realtime/Realtime/Conversation/LCIMChatRoom.cs b/Realtime/Realtime/Conversation/LCIMChatRoom.cs
index 6bccd42..5b77f92 100644
--- a/Realtime/Realtime/Conversation/LCIMChatRoom.cs
+++ b/Realtime/Realtime/Conversation/LCIMChatRoom.cs
@@ -28,5 +28,9 @@ namespace LeanCloud.Realtime {
         public override Task<LCIMPartiallySuccessResult> AddMembers(IEnumerable<string> clientIds) {
             throw new Exception("Add members is not allowed in chat room.");
         }
+
+        public override Task Read() {
+            return Task.CompletedTask;
+        }
     }
 }
diff --git a/Realtime/Realtime/Conversation/LCIMConversation.cs b/Realtime/Realtime/Conversation/LCIMConversation.cs
index d961d0a..ef9fbcf 100644
--- a/Realtime/Realtime/Conversation/LCIMConversation.cs
+++ b/Realtime/Realtime/Conversation/LCIMConversation.cs
@@ -181,7 +181,7 @@ namespace LeanCloud.Realtime {
         /// </summary>
         /// <param name="message"></param>
         /// <returns></returns>
-        public async Task Read() {
+        public virtual async Task Read() {
             if (LastMessage == null) {
                 return;
             }