From 5f454456d24abe7e30b5b1cb5d3e0de83d51a384 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=89=8B=E7=93=9C=E4=B8=80=E5=8D=81=E9=9B=AA?=
 <nanaeonn@outlook.com>
Date: Sun, 29 Dec 2024 11:47:09 +0800
Subject: [PATCH] fix: #655 #663

---
 src/onebot/api/msg.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/onebot/api/msg.ts b/src/onebot/api/msg.ts
index 082bcf62..f125eb7f 100644
--- a/src/onebot/api/msg.ts
+++ b/src/onebot/api/msg.ts
@@ -990,7 +990,7 @@ export class OneBotMsgApi {
         if (SysMessage.contentHead.type == 33 && SysMessage.body?.msgContent) {
             const groupChange = new NapProtoMsg(GroupChange).decode(SysMessage.body.msgContent);
             this.core.apis.GroupApi.refreshGroupMemberCache(groupChange.groupUin.toString()).then().catch();
-            const operatorUid = groupChange.operatorInfo?.toString();
+            const operatorUid = groupChange.operatorInfo ? Buffer.from(groupChange.operatorInfo).toString() : '';
             return new OB11GroupIncreaseEvent(
                 this.core,
                 groupChange.groupUin,