string(243) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=idc%E4%B8%AD%E5%9B%BD%E5%AE%98%E7%BD%91%E6%89%93%E5%8D%B0%E6%95%B0%E6%8D%AE => Failed to connect to 101.89.159.206 port 38087: Connection refused"
idc中国官网打印数据
