From 5283843b13006444d8b08b8689afe9fde91d7c2f Mon Sep 17 00:00:00 2001
From: Him188 <Him188@mamoe.net>
Date: Fri, 27 Aug 2021 18:07:33 +0800
Subject: [PATCH] Ignore `NewContact.SystemMsgNewGroup, subType=5,
 groupMsgType=16`, fix #1467

---
 .../network/notice/group/GroupOrMemberListNoticeProcessor.kt  | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/mirai-core/src/commonMain/kotlin/network/notice/group/GroupOrMemberListNoticeProcessor.kt b/mirai-core/src/commonMain/kotlin/network/notice/group/GroupOrMemberListNoticeProcessor.kt
index 6163541571c..70cdf7fa687 100644
--- a/mirai-core/src/commonMain/kotlin/network/notice/group/GroupOrMemberListNoticeProcessor.kt
+++ b/mirai-core/src/commonMain/kotlin/network/notice/group/GroupOrMemberListNoticeProcessor.kt
@@ -275,6 +275,10 @@ internal class GroupOrMemberListNoticeProcessor(
                         // > 这是历史的群系统消息，实际上可以直接进行忽略，其实只是因为缺失了忽略的处理而已
                         // https://github.com/mamoe/mirai/issues/1171#issuecomment-907075637
                     }
+                    16 -> {
+                        // #1467
+                        // 历史消息同步
+                    }
                     else -> {
                         throw contextualBugReportException(
                             "解析 NewContact.SystemMsgNewGroup, subType=5, groupMsgType=$groupMsgType",