}

ProductionSystem/Untils/Tool/StepTool.cs

@@ -51,6 +51,11 @@ namespace ProductionSystem.Untils.Tool
             
             var ba = ModeTypeEnum.BZ1_DB;
 
+            if (string.IsNullOrEmpty(GetCode()))
+            {
+                return;
+            }
+            
             if (D1004)
             {
                 var stpStep = productStepService.QueryLatestStep(ba.ToString(), EquipmentEnum.FKSTF1ZT_DB.ToString(), Program.ProductType, GetCode());