diff --git a/hb_server/apps/wpm/models.py b/hb_server/apps/wpm/models.py
index 80e1b0c..6e2f647 100644
--- a/hb_server/apps/wpm/models.py
+++ b/hb_server/apps/wpm/models.py
@@ -45,7 +45,7 @@ class WProduct(CommonAModel):
     production_plan = models.ForeignKey(ProductionPlan, verbose_name='关联主生产计划', on_delete=models.CASCADE)
     warehouse = models.ForeignKey(WareHouse, verbose_name='所在仓库', on_delete=models.SET_NULL, null=True, blank=True)
     # operation = models.ForeignKey('wpm.operation', verbose_name='关联操作', 
-    #     on_delete=models.SET_NULL, null=True, blank=True, related_name='')
+    #     on_delete=models.SET_NULL, null=True, blank=True, related_name='current_operation')
 
 class Operation(CommonADModel):
     """
diff --git a/hb_server/apps/wpm/views.py b/hb_server/apps/wpm/views.py
index 91d205d..6244191 100644
--- a/hb_server/apps/wpm/views.py
+++ b/hb_server/apps/wpm/views.py
@@ -56,7 +56,7 @@ class WPlanViewSet(ListModelMixin, GenericViewSet):
             serializer= PickHalfSerializer(data=request.data, many=True)
             serializer.is_valid(raise_exception=True)
             vdata = serializer.data
-            first_step = Step.objects.get(pk=sp.steps[0].id)
+            first_step = Step.objects.get(pk=sp.steps[0]['id'])
             for i in vdata:
                 if 'wproducts' in i and len(i['wproducts'])>0:
                     spp = SubProductionProgress.objects.get(pk=i['id'])