diff --git a/blade-service/blade-desk/src/main/java/org/springblade/desk/dashboard/service/impl/DsTaskingServiceImpl.java b/blade-service/blade-desk/src/main/java/org/springblade/desk/dashboard/service/impl/DsTaskingServiceImpl.java
index f8099eba..379874ce 100644
--- a/blade-service/blade-desk/src/main/java/org/springblade/desk/dashboard/service/impl/DsTaskingServiceImpl.java
+++ b/blade-service/blade-desk/src/main/java/org/springblade/desk/dashboard/service/impl/DsTaskingServiceImpl.java
@@ -1864,8 +1864,9 @@ public class DsTaskingServiceImpl extends BaseServiceImpl<DsTaskingMapper, DsTas
 				oldMesSubPart.setMaterial(subPartInfo.getMaterial());
 				oldMesSubPart.setPlateCode(subPartInfo.getPlateCode());
 				oldMesSubPart.setSinTerType(subPartInfo.getSinTerType());
-				if (subPartInfo.getSinTerType() == DsPartSub.SIN_TER_TYPE_BLB.intValue()
-						|| subPartInfo.getSinTerType() == DsPartSub.SIN_TER_TYPE_SMM.intValue()) {
+				if (subPartInfo.getSinTerType() != null
+						&& (subPartInfo.getSinTerType() == DsPartSub.SIN_TER_TYPE_BLB.intValue()
+						|| subPartInfo.getSinTerType() == DsPartSub.SIN_TER_TYPE_SMM.intValue())) {
 					oldMesSubPart.setIsSintering(TaskingConstant.IS_SINTERING);
 				}
 				// 2. 递归处理当前子件自身（生成版本号、创建零件、同步工艺等核心逻辑）