string(231) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B3%A8%E5%AE%89%E5%A4%9A%E5%B0%91%E5%88%86%E9%80%9A%E8%BF%87 => Failed to connect to 101.89.117.144 port 38076: Connection refused"
注安多少分通过
