string(238) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%8A%96%E9%9F%B3%E8%B5%9A%E9%92%B1%E7%9A%84%E6%B5%81%E7%A8%8B%E5%9B%BE => Failed to connect to 14.18.117.71 port 38220: Connection refused"
抖音赚钱的流程图
