code: def on_quote_changed(self, tiny_quote):
          
  
          # TinyQuoteData
          if tiny_quote.symbol != self.symbol_ref:
              return
  
          # 减少计算频率，每x秒一次
          dt_now = time.time()
          if dt_now - self._last_dt_process < 2:
              return
          self._last_dt_process = dt_now
  
          # 执行策略
          self._process_cta(self.cta_call)
          self._process_cta(self.cta_put)
docs: 报价、摆盘实时数据变化时，会触发该回调