string(232) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=crm%E8%BD%AF%E4%BB%B6%E4%BC%98%E7%BC%BA%E7%82%B9%E5%88%86%E6%9E%90 => Failed to connect to 14.116.215.7 port 38230: Connection refused"
crm软件优缺点分析
