fix:

internal/logic/add_mkt_logic.go

@@ -53,6 +53,8 @@ func (l *AddMktLogic) AddMkt(in *transform.MktReq) (*transform.MktRes, error) {
 		mkt.LoadUser = sql.NullString{String: in.MkId, Valid: true}
 		mkt.StuFollowUpMonthly = sql.NullInt64{Int64: 1309, Valid: true}
 		mkt.PtuserId = sql.NullInt64{Int64: in.PartTimeUserId, Valid: true}
+		mkt.StuEnName = sql.NullString{String: "", Valid: true}
+
 		ret, err := l.svcCtx.MktResourceModel.Insert(mkt)
 		if err != nil {
 			l.Logger.Error(err)