string(256) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%8A%96%E9%9F%B3%E5%8D%83%E5%B7%9D%E6%8A%95%E6%89%8B%E9%9D%A2%E8%AF%95%E9%97%AE%E9%A2%98 => Failed to connect to 14.18.117.71 port 38164: Connection refused"
抖音千川投手面试问题
