app设备设备类型上传图标功能（完善url）

AdminController/DeviceManagementController.py

@@ -136,7 +136,7 @@ class DeviceManagement(View):
                 # 地址：https://ansjerfilemanager.s3.amazonaws.com/app/device_type_images/camera_c190.png
                 s3.upload_file_obj(bucket, file_key, file,
                                    {'ContentType': file.content_type, 'ACL': 'public-read'})
-                response_url = 'https://ansjerfilemanager.s3.amazonaws.com/app/device_type_images/'.format(fileName)
+                response_url = 'https://ansjerfilemanager.s3.amazonaws.com/app/device_type_images/'+format(fileName)
                 app_device_type_qs = AppDeviceType.objects.create(model=model, type=type, icon=response_url)
                 DeviceNameLanguage.objects.create(lang=lang, name=name, sort=sort,
                                                   app_device_type_id=app_device_type_qs.id)