code: def add(self, **kwargs):
          '''
          in infor.
          '''
  
          post_data = {}
  
          for key in self.request.arguments:
              post_data[key] = self.get_arguments(key)[0]
  
          MLog.add(post_data)
          kwargs.pop('uid', None)  # delete `uid` if exists in kwargs
  
          self.redirect('/log/'f add(self, **kwargs):
          '''
          in infor.
          '''
  
          post_data = {}
  
          for key in self.request.arguments:
              post_data[key] = self.get_arguments(key)[0]
  
          MLog.add(post_data)
          kwargs.pop('uid', None)  # delete `uid` if exists in kwargs
  
          self.redirect('/log/')
docs: in infor.