diff --git a/hb_server/apps/mtm/migrations/0022_auto_20211014_0944.py b/hb_server/apps/mtm/migrations/0022_auto_20211014_0944.py
new file mode 100644
index 0000000..4a6f086
--- /dev/null
+++ b/hb_server/apps/mtm/migrations/0022_auto_20211014_0944.py
@@ -0,0 +1,26 @@
+# Generated by Django 3.2.6 on 2021-10-14 01:44
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('em', '0009_auto_20210916_1108'),
+        ('mtm', '0021_auto_20211013_0856'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='subproduction',
+            name='process',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.CASCADE, related_name='subproduction_process', to='mtm.process', verbose_name='隶属大工序'),
+            preserve_default=False,
+        ),
+        migrations.AlterField(
+            model_name='step',
+            name='equipments',
+            field=models.ManyToManyField(related_name='step_equips', to='em.Equipment', verbose_name='使用设备'),
+        ),
+    ]
diff --git a/hb_server/apps/mtm/serializers.py b/hb_server/apps/mtm/serializers.py
index 5f0d43a..5da68a4 100644
--- a/hb_server/apps/mtm/serializers.py
+++ b/hb_server/apps/mtm/serializers.py
@@ -62,6 +62,7 @@ class StepDetailSerializer(serializers.ModelSerializer):
         return queryset
 
 class SubProductionSerializer(serializers.ModelSerializer):
+    process_ = ProcessSimpleSerializer(source='process', read_only=True)
     class Meta:
         model = SubProduction
         fields = '__all__'
diff --git a/hb_server/apps/mtm/views.py b/hb_server/apps/mtm/views.py
index 3a4ce4c..22378ba 100644
--- a/hb_server/apps/mtm/views.py
+++ b/hb_server/apps/mtm/views.py
@@ -74,7 +74,7 @@ class SubProductionViewSet(CreateUpdateModelAMixin, ModelViewSet):
     产品生产分解增删改查
     """
     perms_map={'*':'*'}
-    queryset = SubProduction.objects.all()
+    queryset = SubProduction.objects.select_related('process').all()
     filterset_fields = ['product', 'process']
     search_fields = ['name']
     serializer_class = SubProductionSerializer
diff --git a/hb_server/apps/wf/migrations/0013_alter_ticketflow_transition.py b/hb_server/apps/wf/migrations/0013_alter_ticketflow_transition.py
new file mode 100644
index 0000000..4b3fc80
--- /dev/null
+++ b/hb_server/apps/wf/migrations/0013_alter_ticketflow_transition.py
@@ -0,0 +1,19 @@
+# Generated by Django 3.2.6 on 2021-10-14 01:44
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('wf', '0012_ticketflow_intervene_type'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='ticketflow',
+            name='transition',
+            field=models.ForeignKey(blank=True, help_text='与worklow.Transition关联， 为空时表示认为干预的操作', null=True, on_delete=django.db.models.deletion.CASCADE, to='wf.transition', verbose_name='流转id'),
+        ),
+    ]