string(276) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%BE%AE%E5%95%86%E5%88%9A%E8%B5%B7%E6%AD%A5%E6%9C%89%E4%BB%80%E4%B9%88%E5%A5%BD%E7%9A%84%E5%BB%BA%E8%AE%AE => Failed to connect to 101.89.143.195 port 38205: Connection refused"
微商刚起步有什么好的建议
