diff --git a/hb_server/apps/wpm/migrations/0022_auto_20211123_1425.py b/hb_server/apps/wpm/migrations/0022_auto_20211123_1425.py
new file mode 100644
index 0000000..bf6b8de
--- /dev/null
+++ b/hb_server/apps/wpm/migrations/0022_auto_20211123_1425.py
@@ -0,0 +1,23 @@
+# Generated by Django 3.2.9 on 2021-11-23 06:25
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('wpm', '0021_auto_20211123_0945'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='wproduct',
+            name='parent',
+        ),
+        migrations.AddField(
+            model_name='wproduct',
+            name='child',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='wpm.wproduct'),
+        ),
+    ]
diff --git a/hb_server/apps/wpm/models.py b/hb_server/apps/wpm/models.py
index ee835a1..db98eab 100644
--- a/hb_server/apps/wpm/models.py
+++ b/hb_server/apps/wpm/models.py
@@ -40,7 +40,7 @@ class WProduct(CommonAModel):
     act_state = models.IntegerField('进行状态', default=0, choices=act_state_choices)
     is_executed = models.BooleanField('子工序是否已执行', default=False)
     is_hidden = models.BooleanField('是否隐藏', default=False)
-    parent = models.JSONField('父', default=list, blank=True)
+    child = models.ForeignKey('self', blank=True, null=True, on_delete=models.CASCADE)
     remark = models.CharField('备注', max_length=200, null=True, blank=True)
     subproduction_plan = models.ForeignKey(SubProductionPlan, verbose_name='当前子生产计划', on_delete=models.CASCADE, related_name='wproduct_subplan')
     warehouse = models.ForeignKey(WareHouse, verbose_name='所在仓库', on_delete=models.SET_NULL, null=True, blank=True)
diff --git a/hb_server/apps/wpm/views.py b/hb_server/apps/wpm/views.py
index 2b2a75f..e200b2d 100644
--- a/hb_server/apps/wpm/views.py
+++ b/hb_server/apps/wpm/views.py
@@ -364,23 +364,22 @@ class OperationViewSet(ListModelMixin, RetrieveModelMixin, CreateModelMixin, Upd
         for i in OperationMaterial.objects.filter(operation=op, type=SubprodctionMaterial.SUB_MA_TYPE_IN):
             # 更新车间物料
             i_wmat = i.wmaterial
-            i_wmat.count = i_wmat.count- i['count']
+            i_wmat.count = i_wmat.count- i.count
             i_wmat.save()
             # 更新子计划物料消耗情况
             sp = i_wmat.subproduction_plan
-            sp.count_real = sp.count_real + i['count']
+            sp.count_real = sp.count_real + i.count
             sp.save()
         # 更新产出
         for i in OperationMaterial.objects.filter(operation=op, type=SubprodctionMaterial.SUB_MA_TYPE_OUT):
             if not i.subproduction_progress.is_main:
                 # 更新车间物料产出情况
-                ins, _ = WMaterial.objects.get_or_create(subproduction_plan=i.subproduction_plan,
-                    material=i.material)
-                ins.count = ins.count + i['count']
+                ins, _ = WMaterial.objects.get_or_create(subproduction_plan=i.subproduction_plan, material=i.material)
+                ins.count = ins.count + i.count
                 ins.save()
                 # 更新子计划物料产出情况
                 sp = i.subproduction_progress
-                sp.count_real = sp.count_real + i['count']
+                sp.count_real = sp.count_real + i.count
                 sp.save()
         # 更新动态产品表
         if step.type == Step.STEP_TYPE_NOM:
@@ -417,21 +416,25 @@ class OperationViewSet(ListModelMixin, RetrieveModelMixin, CreateModelMixin, Upd
         elif step.type == Step.STEP_TYPE_COMB:
             # 隐藏原半成品
             ows = OperationWproduct.objects.filter(operation=op)
-            ows.update(is_hidden=True)
             if i.subproduction_progress.is_main:
                 newstep, hasNext = WpmServies.get_next_step(i.subproduction_plan, step)
                 wproduct = WProduct()
                 wproduct.material = i.material
                 wproduct.step = newstep
                 wproduct.subproduction_plan = i.subproduction_plan
-                wproduct.parent = ows.values_list('wproduct', flat=True)
                 if hasNext:
                     wproduct.act_state = WProduct.WPR_ACT_STATE_DOING
                     wproduct.is_executed = False
                 else:
                     wproduct.act_state = WProduct.WPR_ACT_STATE_TOTEST
                     wproduct.is_executed = True
+                    # 更新子计划进度
+                    instance = SubProductionProgress.objects.get(subproduction_plan=i.subproduction_plan, 
+                    is_main=True, type=SubprodctionMaterial.SUB_MA_TYPE_OUT)
+                    instance.count_real = instance.count_real + 1 # 这个地方可能会有问题,不够严谨
+                    instance.save()
                 wproduct.save()
+                ows.update(is_hidden=True, child=wproduct)