string(268) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%BA%E4%BB%80%E4%B9%88b%E7%AB%99%E8%A7%86%E9%A2%91%E4%B8%8A%E4%BC%A0%E7%9A%84%E5%BE%88%E6%85%A2 => Failed to connect to 101.89.117.144 port 38005: Connection refused"
为什么b站视频上传的很慢
