[update] 修改一些性能问题

apps/common/mixins/api.py

@@ -83,4 +83,4 @@ class ApiMessageMixin:
         message = self.get_success_message(resp.data)
         if message:
             messages.success(request, message)
-        return resp
+        return resp

apps/common/renders/csv.py

@@ -57,10 +57,15 @@ class JMSCSVRender(BaseRenderer):
         request = renderer_context['request']
         template = request.query_params.get('template', 'export')
         view = renderer_context['view']
-        data = json.loads(json.dumps(data, cls=encoders.JSONEncoder))
+
+        if isinstance(data, dict) and data.get("count"):
+            data = data["results"]
+
         if template == 'import':
             data = [data[0]] if data else data
 
+        data = json.loads(json.dumps(data, cls=encoders.JSONEncoder))
+
         try:
             serializer = view.get_serializer()
             self.set_response_disposition(serializer, renderer_context)