string(296) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=ad21%E5%AE%89%E8%A3%85%E7%A0%B4%E8%A7%A3%E6%95%99%E7%A8%8B%E6%B7%BB%E5%8A%A0%E8%AE%B8%E5%8F%AF%E8%AF%81%E6%B2%A1%E5%8F%8D%E5%BA%94 => Failed to connect to 61.171.74.35 port 38027: Connection refused"
ad21安装破解教程添加许可证没反应
