fix

WCS.Service/Quartz/WCSRunJobs.cs

@@ -65,7 +65,7 @@ namespace WCS.Service.Quartz
                             (equipmentInfo.Equ_Type == EquipmentType.conveyor.ToString()) ? equipmentInfo.EquSignal_Conv.ToJson() :
                             (equipmentInfo.Equ_Type == EquipmentType.srm.ToString()) ? equipmentInfo.EquSignal_Srm.ToJson() : equipmentInfo.EquSignal_Rgv.ToJson(),
 
-                            EQU_BARCODE = equipmentInfo.EquSignal_Conv.BarCodeStr
+                            EQU_BARCODE = equipmentInfo.EquSignal_Conv == null ? "" : equipmentInfo.EquSignal_Conv.BarCodeStr
                         });
                     }
                 }