code: def QA_get_realtime(code, market):
      
      res = None
      if market == MARKET_TYPE.STOCK_CN:
          res = QATdx.QA_fetch_get_stock_realtime(code)
      elif market == MARKET_TYPE.FUTURE_CN:
          res = QATdx.QA_fetch_get_future_realtime(code)
  
      return res
docs: 统一的获取期货/股票实时行情的接口