diff --git a/internal/rpc/msg/send_msg.go b/internal/rpc/msg/send_msg.go
index a2a037cd8..5f86c39d5 100644
--- a/internal/rpc/msg/send_msg.go
+++ b/internal/rpc/msg/send_msg.go
@@ -228,7 +228,7 @@ func (rpc *rpcChat) SendMsg(_ context.Context, pb *pbChat.SendMsgReq) (*pbChat.S
 			return returnMsg(&replay, pb, 201, "GetGroupMemberIDListFromCache logic failed", "", 0)
 		}
 		memberUserIDList := cacheResp.UserIDList
-		log.Debug(pb.OperationID, "GetGroupAllMember userID list", cacheResp.UserIDList)
+		log.Debug(pb.OperationID, "GetGroupAllMember userID list", cacheResp.UserIDList, "len: ", len(cacheResp.UserIDList))
 		var addUidList []string
 		switch pb.MsgData.ContentType {
 		case constant.MemberKickedNotification: