From f8d8ffb782992e8e01258de3408a084beeb53f8b Mon Sep 17 00:00:00 2001
From: Him188 <Him188@mamoe.net>
Date: Fri, 29 Jan 2021 10:23:18 +0800
Subject: [PATCH] Improve inspection performance

---
 .../packet/chat/receive/OnlinePush.PbPushGroupMsg.kt         | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/receive/OnlinePush.PbPushGroupMsg.kt b/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/receive/OnlinePush.PbPushGroupMsg.kt
index 88b34c54e..00ea8099c 100644
--- a/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/receive/OnlinePush.PbPushGroupMsg.kt
+++ b/mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/receive/OnlinePush.PbPushGroupMsg.kt
@@ -106,7 +106,10 @@ internal object OnlinePushPbPushGroupMsg : IncomingPacketFactory<Packet?>("Onlin
             sender = group.newAnonymous(anonymous.anonNick.encodeToString(), anonymous.anonId.encodeToBase64())
             name = sender.nameCard
         } else { // normal member chat
-            sender = group[msgHead.fromUin] as NormalMemberImpl
+            sender = group[msgHead.fromUin] as NormalMemberImpl? ?: kotlin.run {
+                bot.network.logger.warning { "Failed to find member ${msgHead.fromUin} in group ${group.id}" }
+                return null
+            }
             name = findSenderName(extraInfo, msgHead.groupInfo) ?: sender.nameCardOrNick
         }