string(277) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=b%E7%AB%99%E6%80%8E%E4%B9%88%E4%BB%A5%E8%A7%86%E9%A2%91%E7%9A%84%E5%BD%A2%E5%BC%8F%E5%8F%91%E5%87%BA%E5%8E%BB => Failed to connect to 101.89.159.206 port 38087: Connection refused"
b站怎么以视频的形式发出去
