docs: def get_detail_images(self, content_id):
          """
          Inquire detail images
  
          :param content_id: Content ID to inquire
          :type content_id: str
  
          :rtype: list
          """
          resp = json.loads(urlopen(self.additional_images_url.format(content_id, 1)).read().decode('utf-8'))
          total_count = resp['response']['body']['totalCount']
          # Get total count
  
          resp = json.loads(urlopen(self.additional_images_url.format(content_id, total_count)).read().decode('utf-8'))
          try:
              data = resp['response']['body']['items']['item']
              # Extract data list
              if type(data) is dict:
                  data.pop('contentid', None)
                  data.pop('serialnum', None)
                  data['origin'] = data.pop('originimgurl', None)
                  data['small'] = data.pop('smallimageurl', None)
                  # Manufacture
              else:
                  for img in data:
                      if type(img) is dict:
                          img.pop('contentid', None)
                          img.pop('serialnum', None)
                          img['origin'] = img.pop('originimgurl', None)
                          img['small'] = img.pop('smallimageurl', None)
                          # Manufacture
                      else:
                          del img
  
              return data if type(data) is list else [data]
          except TypeError:
              return None