string(238) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%8E%A9%E6%8A%96%E9%9F%B3%E7%9A%84%E4%BA%BA%E5%8F%98%E5%B0%91%E4%BA%86 => Failed to connect to 14.18.117.71 port 38220: Connection refused"
玩抖音的人变少了
