string(268) "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%E8%A7%86%E9%A2%91%E4%B8%BA%E4%BB%80%E4%B9%88%E5%8F%98%E7%BA%A2%E4%BA%86 => Failed to connect to 101.89.143.195 port 38175: Connection refused"
b站上传视频为什么变红了
