diff --git a/hb_server/apps/mtm/models.py b/hb_server/apps/mtm/models.py
index 62f983e..7675957 100644
--- a/hb_server/apps/mtm/models.py
+++ b/hb_server/apps/mtm/models.py
@@ -174,7 +174,7 @@ class UsedStep(CommonAModel):
     """
     涉及的生产子工序
     """
-    step = models.ForeignKey(Step, verbose_name='子工序', on_delete=models.CASCADE, related_name='usedsteps')
+    step = models.ForeignKey(Step, verbose_name='子工序', on_delete=models.CASCADE, related_name='usedstep')
     remark = models.TextField('生产备注', null=True, blank=True)
     subproduction = models.ForeignKey(SubProduction, verbose_name='关联生产分解', on_delete=models.CASCADE)
     
diff --git a/hb_server/apps/pm/serializers.py b/hb_server/apps/pm/serializers.py
index bc8f6b4..1950bce 100644
--- a/hb_server/apps/pm/serializers.py
+++ b/hb_server/apps/pm/serializers.py
@@ -35,3 +35,6 @@ class SubProductionPlanUpdateSerializer(serializers.ModelSerializer):
     class Meta:
         model = SubProductionPlan
         fields = ['start_date', 'end_date']
+
+class GenSubPlanSerializer(serializers.Serializer):
+    pass
diff --git a/hb_server/apps/pm/views.py b/hb_server/apps/pm/views.py
index b74e05c..a9856cd 100644
--- a/hb_server/apps/pm/views.py
+++ b/hb_server/apps/pm/views.py
@@ -4,7 +4,7 @@ from apps.em.models import Equipment
 from apps.em.serializers import EquipmentSerializer
 from apps.mtm.models import InputMaterial, Step, SubProduction, UsedStep
 from apps.system.mixins import CreateUpdateModelAMixin
-from apps.pm.serializers import ProductionPlanCreateFromOrderSerializer, ProductionPlanSerializer, ResourceCalListSerializer, ResourceCalSerializer, SubProductionPlanListSerializer, SubProductionPlanUpdateSerializer
+from apps.pm.serializers import GenSubPlanSerializer, ProductionPlanCreateFromOrderSerializer, ProductionPlanSerializer, ResourceCalListSerializer, ResourceCalSerializer, SubProductionPlanListSerializer, SubProductionPlanUpdateSerializer
 from rest_framework.mixins import CreateModelMixin, ListModelMixin, UpdateModelMixin
 from apps.pm.models import ProductionPlan, SubProductionPlan
 from rest_framework.viewsets import GenericViewSet, ModelViewSet
@@ -60,7 +60,7 @@ class ProductionPlanViewSet(CreateUpdateModelAMixin, ListModelMixin, CreateModel
             updateOrderPlanedCount(instance.order)
         return Response()
     
-    @action(methods=['post'], detail=True, perms_map={'post':'*'}, serializer_class=serializers.Serializer)
+    @action(methods=['post'], detail=True, perms_map={'post':'*'}, serializer_class=GenSubPlanSerializer)
     def gen_subplan(self, request, pk=None):
         """
         生成子计划
@@ -70,8 +70,8 @@ class ProductionPlanViewSet(CreateUpdateModelAMixin, ListModelMixin, CreateModel
             raise APIException('已生成子计划')
         subps = SubProduction.objects.filter(product=production_plan.product).order_by('process__number')
         for i in subps:
-            steps = UsedStep.objects.filter(subproduction=i, is_deleted=False, subproduction__is_deleted=False, step__is_deleted=False)\
-                    .order_by('step__number').annotate(id=F('step__id'), number=F('step__number'), name=F('step__name')).values('id', 'number', 'name', 'remark')
+            steps = Step.objects.filter(usedstep__subproduction=i, usedstep__subproduction__is_deleted=False, 
+                                        usedstep__is_deleted=False, is_deleted=False).values('id', 'number', 'name', 'usedstep__remark')
             SubProductionPlan.objects.create(production_plan=production_plan, subproduction=i,
                 start_date=production_plan.start_date, end_date=production_plan.end_date, 
                 workshop=i.process.workshop, process=i.process, create_by=request.user,
@@ -96,6 +96,7 @@ class SubProductionPlanViewSet(CreateUpdateModelAMixin, ListModelMixin, UpdateMo
             return SubProductionPlanListSerializer
         elif self.action == 'update':
             return SubProductionPlanUpdateSerializer
+        return SubProductionPlanListSerializer
 
 
 class ResourceViewSet(GenericViewSet):
@@ -139,7 +140,7 @@ class ResourceViewSet(GenericViewSet):
         for i in rdata:
             rdata_l.append(i['id'])
         subproductions = SubProduction.objects.filter(product__id__in=rdata_l, is_deleted=False)
-        steps = Step.objects.filter(usedsteps__is_deleted=False, usedsteps__subproduction__in=subproductions)
+        steps = Step.objects.filter(usedstep__is_deleted=False, usedstep__subproduction__in=subproductions)
         equips = Equipment.objects.filter(step_equips__in=steps, is_deleted=False)
         serializer = EquipmentSerializer(instance=equips, many=True)
         return Response(serializer.data)