更改返回数据类型

Controller/AppCampaignController.py

@@ -93,8 +93,8 @@ class AppCampaignView(View):
                 'campaign_end_date': campaign.campaign_end_date,
                 'campaign_show_stime': campaign.campaign_show_stime,
                 'campaign_show_etime': campaign.campaign_show_etime,
-                'countries': str([country.country_name for country in campaign.country_list]),
-                'device_types': str([device.name for device in campaign.device_type_list]),
+                'countries': ",".join([country.country_name for country in campaign.country_list]),
+                'device_types': ",".join([device.name for device in campaign.device_type_list]),
             }
             campaign_list.append(campaign_data)