diff --git a/internal/msggateway/user_map.go b/internal/msggateway/user_map.go
index eb03123a5..a5a4a2de5 100644
--- a/internal/msggateway/user_map.go
+++ b/internal/msggateway/user_map.go
@@ -121,6 +121,7 @@ func (u *userMap) DeleteClients(userID string, clients []*Client) (isDeleteUser
 		if _, ok := deleteAddr[client.ctx.GetRemoteAddr()]; ok {
 			continue
 		}
+		offline = append(offline, int32(client.PlatformID))
 		result.Clients = append(result.Clients, client)
 	}
 	defer u.push(userID, result, offline)