string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%8E%A8%E5%B9%BF%E5%92%8C%E4%BC%A0%E9%94%80%E7%9A%84%E5%8C%BA%E5%88%AB%E5%9C%A8%E5%93%AA => Failed to connect to 101.89.117.144 port 38076: Connection refused"
推广和传销的区别在哪
