From e3984eac20fa6b13ab8e1e59a19660d1e1b263d0 Mon Sep 17 00:00:00 2001
From: Mrs4s <1844812067@qq.com>
Date: Thu, 16 Jul 2020 20:19:20 +0800
Subject: [PATCH] fix bug.

---
 client/decoders.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/client/decoders.go b/client/decoders.go
index 77299d25..4cc3a0d4 100644
--- a/client/decoders.go
+++ b/client/decoders.go
@@ -242,7 +242,7 @@ func decodeGroupMessagePacket(c *QQClient, seq uint16, payload []byte) (interfac
 		})
 		return nil, nil
 	}
-	if pkt.Message.Content.PkgNum > 1 {
+	if pkt.Message.Content != nil && pkt.Message.Content.PkgNum > 1 {
 		var builder *groupMessageBuilder
 		i, ok := c.groupMsgBuilders.Load(pkt.Message.Content.DivSeq)
 		if !ok {