string(240) "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%E9%87%8D%E7%82%B9%E7%AC%94%E8%AE%B0 => Failed to connect to 101.89.159.206 port 38087: Connection refused"
一建管理重点笔记
