diff --git a/blade-service/blade-scheduling/src/main/java/org/springblade/scheduling/scheduling/service/impl/WorkOrderServiceImpl.java b/blade-service/blade-scheduling/src/main/java/org/springblade/scheduling/scheduling/service/impl/WorkOrderServiceImpl.java
index 4df8be2c..2b4a6492 100644
--- a/blade-service/blade-scheduling/src/main/java/org/springblade/scheduling/scheduling/service/impl/WorkOrderServiceImpl.java
+++ b/blade-service/blade-scheduling/src/main/java/org/springblade/scheduling/scheduling/service/impl/WorkOrderServiceImpl.java
@@ -1952,7 +1952,7 @@ public class WorkOrderServiceImpl extends BaseServiceImpl<WorkOrderMapper, WorkO
                 for(PersonAbilityEntity personAbility : personAbilityList){
                     List<PersonAbilityVO> voList = JsonUtil.readValue(personAbility.getStandardTime(), new TypeReference<List<PersonAbilityVO>>() {});
                     for(PersonAbilityVO vo : voList){
-                        if(part.getExternalDiameter() > vo.getStartNum() && part.getExternalDiameter() <= vo.getEndNum()){
+                        if(part.getExternalDiameter() != null && part.getExternalDiameter() > vo.getStartNum() && part.getExternalDiameter() <= vo.getEndNum()){
                             personTime = Double.parseDouble(vo.getStandardTime()) * order.getYpQty() + personAbility.getPrepareTime().doubleValue();
                             break;
                         }
@@ -1965,7 +1965,7 @@ public class WorkOrderServiceImpl extends BaseServiceImpl<WorkOrderMapper, WorkO
                 for(PersonAbilityEntity personAbility : personAbilityList){
                     List<PersonAbilityVO> voList = JsonUtil.readValue(personAbility.getStandardTime(), new TypeReference<List<PersonAbilityVO>>() {});
                     for(PersonAbilityVO vo : voList){
-                        if(part.getBlbDiameter() >vo.getStartNum() && part.getBlbDiameter() <= vo.getEndNum()){
+                        if(part.getBlbDiameter() != null && part.getBlbDiameter() >vo.getStartNum() && part.getBlbDiameter() <= vo.getEndNum()){
                             personTime = Double.parseDouble(vo.getStandardTime()) * order.getYpQty() + personAbility.getPrepareTime().doubleValue();
                             break;
                         }