string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%BC%96%E7%A8%8B%E7%AC%94%E8%AE%B0%E6%9C%AC%E9%80%89%E6%8B%A9%E5%93%AA%E4%B8%AA%E5%A5%BD => Failed to connect to 101.89.117.144 port 38056: Connection refused"
编程笔记本选择哪个好
