string(239) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%94%B5%E5%8A%9B%E7%AB%9E%E4%BB%B7%E4%BA%A4%E6%98%93%E6%A8%A1%E5%9E%8B => Failed to connect to 101.91.112.32 port 38162: Connection refused"
电力竞价交易模型
