From 5a6f1e725ca458c5410e88597d324637cf271db0 Mon Sep 17 00:00:00 2001
From: buvidk <1532493290@qq.com>
Date: Thu, 9 Jul 2026 01:57:44 +0800
Subject: [PATCH] fix(msggateway): avoid reusing Clients backing array

---
 internal/msggateway/user_map.go | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/internal/msggateway/user_map.go b/internal/msggateway/user_map.go
index 5baa4f901..691d116d2 100644
--- a/internal/msggateway/user_map.go
+++ b/internal/msggateway/user_map.go
@@ -1,9 +1,10 @@
 package msggateway
 
 import (
-	"github.com/openimsdk/tools/utils/datautil"
 	"sync"
 	"time"
+
+	"github.com/openimsdk/tools/utils/datautil"
 )
 
 type UserMap interface {
@@ -146,7 +147,7 @@ func (u *userMap) DeleteClients(userID string, clients []*Client) (isDeleteUser
 		return client.ctx.GetRemoteAddr()
 	})
 	tmp := result.Clients
-	result.Clients = result.Clients[:0]
+	result.Clients = result.Clients[:0:0]
 	for _, client := range tmp {
 		if _, delCli := deleteAddr[client.ctx.GetRemoteAddr()]; delCli {
 			offline = append(offline, int32(client.PlatformID))