diff --git a/server/tools/protobuild/cs_msgid.proto b/server/tools/protobuild/cs_msgid.proto
index 0f136b2..9c9af72 100644
--- a/server/tools/protobuild/cs_msgid.proto
+++ b/server/tools/protobuild/cs_msgid.proto
@@ -126,4 +126,5 @@ enum SMMessageId_e
     _SMUpdateChatRedPointNotify = 511;
     _SMUpdateChatChannelLastId = 512;
     _SMUpdatePrivateChatRedPointNotify = 513;
+    _SMChatMsgNotify = 514;
 }