update 2

OASystem/OASystem.Infrastructure/Repositories/Groups/InvitationOfficialActivitiesRepository.cs

@@ -279,7 +279,7 @@ namespace OASystem.Infrastructure.Repositories.Groups
                             C.OtherSideName = "";
                             C.Remark = "";
                             C.CreateUserId = dto.CreateUserId;
-                            C.MFOperator = "";
+                            C.MFOperator = 0;
                             C.MFOperatorDate = "";
                             C.IsAuditDM = 0;
                             C.AuditDMOperate = 0;