string(303) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%B8%82%E5%9C%BA%E6%8E%A8%E5%B9%BF%E5%91%98%E4%B8%80%E8%88%AC%E9%83%BD%E6%98%AF%E5%81%9A%E4%BA%9B%E4%BB%80%E4%B9%88%E5%B7%A5%E4%BD%9C => Failed to connect to 101.89.159.206 port 38100: Connection refused"
市场推广员一般都是做些什么工作
