diff --git a/hb_server/apps/pm/views.py b/hb_server/apps/pm/views.py
index d625812..62c2473 100644
--- a/hb_server/apps/pm/views.py
+++ b/hb_server/apps/pm/views.py
@@ -122,7 +122,7 @@ class SubProductionPlanViewSet(CreateUpdateModelAMixin, ListModelMixin, UpdateMo
             obj.save()
             return Response()
         raise APIException('计划状态有误')
-        
+
 class ResourceViewSet(GenericViewSet):
     
     perms_map = {'*': '*'}
@@ -165,7 +165,7 @@ class ResourceViewSet(GenericViewSet):
             rdata_l.append(i['id'])
         subproductions = SubProduction.objects.filter(product__id__in=rdata_l, is_deleted=False)
         steps = Step.objects.filter(usedstep__is_deleted=False, usedstep__subproduction__in=subproductions)
-        equips = Equipment.objects.filter(step_equips__in=steps, is_deleted=False)
+        equips = Equipment.objects.filter(step_equips__in=steps, is_deleted=False).distinct()
         serializer = EquipmentSerializer(instance=equips, many=True)
         return Response(serializer.data)
 
diff --git a/hb_server/apps/wpm/models.py b/hb_server/apps/wpm/models.py
index a705f8a..ab9aa54 100644
--- a/hb_server/apps/wpm/models.py
+++ b/hb_server/apps/wpm/models.py
@@ -7,7 +7,6 @@ from utils.model import SoftModel, BaseModel
 from simple_history.models import HistoricalRecords
 
 
-
 class Vendor(CommonAModel):
     """
     供应商信息