string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%80%E5%BB%BA%E7%AE%A1%E7%90%86%E8%AE%B0%E5%BF%86%E6%96%B9%E6%B3%95%E6%80%BB%E7%BB%93 => Failed to connect to 101.89.117.144 port 38022: Connection refused"
一建管理记忆方法总结
