fix code

api/brand.py

@@ -19,6 +19,9 @@ class BrandListView(APIView):
             is_online=is_online, has_icon=has_icon, classify_id=classify_id).unwrap()
         brand_ids = [obj.get('id') for obj in data]
 
+        brands_grade = self.rpc['neptune/commodity/brand/grade'](ids=brand_ids).unwrap()
+        grade_dict = {str(obj.get('brand_id')): obj.get('grade') for obj in brands_grade}
+
         product_count = self.rpc['neptune/commodity/brand/product_count'](ids=brand_ids).unwrap()
 
         category_infos = self.rpc['neptune/commodity/category/infos'](brand_ids=brand_ids).unwrap()
@@ -40,7 +43,7 @@ class BrandListView(APIView):
             category_info_list = category_dict.get(str(brand_id))
             obj['category_infos'] = [{'id': obj.get('id'), 'cn_name': obj.get('cn_name')} for obj in category_info_list] if category_info_list else []
             
-            obj['grade'] = 0
+            obj['grade'] = grade_dict.get(str(brand_id)) if grade_dict.get(str(brand_id)) else 0
 
             classify_info = classify_dict.get(str(brand_id))
             obj['classify_info'] = [{'id': classify_info.get('id'), 'cn_name': classify_info.get('cn_name')}] if classify_info else []