string(241) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=b%E7%AB%99%E4%B8%8A%E4%BC%A0%E9%AB%98%E7%94%BB%E8%B4%A8%E8%A7%86%E9%A2%91 => Failed to connect to 101.89.143.195 port 38205: Connection refused"
b站上传高画质视频
