string(274) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%94%B5%E8%84%91%E9%87%8D%E6%96%B0%E8%AE%BE%E7%BD%AE%E8%B7%AF%E7%94%B1%E5%99%A8%E7%9A%84%E6%96%B9%E6%B3%95 => Failed to connect to 61.171.74.35 port 38041: Connection refused"
电脑重新设置路由器的方法
