diff --git a/hb_server/apps/mtm/migrations/0052_material_brand.py b/hb_server/apps/mtm/migrations/0052_material_brand.py
new file mode 100644
index 0000000..3c27b29
--- /dev/null
+++ b/hb_server/apps/mtm/migrations/0052_material_brand.py
@@ -0,0 +1,18 @@
+# Generated by Django 3.2.9 on 2022-06-06 05:15
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mtm', '0051_material_file'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='material',
+            name='brand',
+            field=models.CharField(blank=True, max_length=100, null=True, verbose_name='牌号'),
+        ),
+    ]
diff --git a/hb_server/apps/mtm/models.py b/hb_server/apps/mtm/models.py
index 9266ff6..e40969a 100644
--- a/hb_server/apps/mtm/models.py
+++ b/hb_server/apps/mtm/models.py
@@ -36,6 +36,7 @@ class Material(CommonAModel):
     )
     name = models.CharField('物料名称', max_length=100)
     number = models.CharField('编号', max_length=100, unique=True)
+    brand = models.CharField('牌号', max_length=100, null=True, blank=True)
     specification = models.CharField('型号', max_length=100, null=True, blank=True)
     type = models.PositiveSmallIntegerField('物料类型', choices= type_choices, default=1)
     sort_str = models.CharField('排序字符', max_length=100, null=True, blank=True)
diff --git a/hb_server/apps/mtm/serializers.py b/hb_server/apps/mtm/serializers.py
index 8e77bd3..83ef853 100644
--- a/hb_server/apps/mtm/serializers.py
+++ b/hb_server/apps/mtm/serializers.py
@@ -46,7 +46,7 @@ class PackItemUpdateSerializer(serializers.ModelSerializer):
 class MaterialSimpleSerializer(serializers.ModelSerializer):
     class Meta:
         model = Material
-        fields = ['id', 'name', 'number', 'unit','specification', 'type', 'count', 'count_safe']
+        fields = ['id', 'name', 'number', 'unit','specification', 'type', 'count', 'count_safe', 'brand']
 
 class PackItemDetailSerializer(serializers.ModelSerializer):
     material_ = MaterialSimpleSerializer(source='material', read_only=True)
diff --git a/hb_server/apps/mtm/views.py b/hb_server/apps/mtm/views.py
index ee46787..9220df3 100644
--- a/hb_server/apps/mtm/views.py
+++ b/hb_server/apps/mtm/views.py
@@ -184,7 +184,7 @@ class RecordFormViewSet(OptimizationMixin, CreateUpdateModelAMixin, ModelViewSet
     queryset = RecordForm.objects.all()
     filterset_fields = ['step', 'type', 'material', 'number', 'enabled']
     search_fields = ['name']
-    ordering='id'
+    ordering=['id']
     
 
     def get_serializer_class(self):
@@ -234,8 +234,8 @@ class RecordFormFieldViewSet(OptimizationMixin, CreateUpdateModelAMixin, ModelVi
     queryset = RecordFormField.objects.all()
     filterset_fields = ['field_type', 'form']
     search_fields = ['field_name', 'field_key']
-    ordering = 'sort'
-    ordering_fields = ['sort', 'id']
+    ordering = ['sort', 'create_time']
+    ordering_fields = ['sort', 'create_time']
 
     def get_serializer_class(self):
         if self.action =='create':