string(249) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%9F%AD%E8%A7%86%E9%A2%91%E5%B9%B3%E5%8F%B0%E6%94%B6%E5%85%A5%E7%89%B9%E7%82%B9 => Failed to connect to 101.89.159.206 port 38100: Connection refused"
短视频平台收入特点
