diff --git a/pkg/common/db/mongoModel.go b/pkg/common/db/mongoModel.go index 1e4d7b01d..8695bca35 100644 --- a/pkg/common/db/mongoModel.go +++ b/pkg/common/db/mongoModel.go @@ -370,6 +370,9 @@ func (d *DataBases) GetMsgBySeqListMongo2(uid string, seqList []uint32, operatio } } } + if len(hasSeqList) == 0 { + return nil, errors.New("pull message is null") + } if len(hasSeqList) != len(seqList) { var diff []uint32 diff = utils.Difference(hasSeqList, seqList)