string(260) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2021%E9%BE%99%E4%B9%8B%E8%B0%B7%E5%8D%81%E5%AD%97%E5%86%9B%E8%BE%93%E5%87%BA%E6%89%8B%E6%B3%95 => Failed to connect to 14.18.117.71 port 38041: Connection refused"
2021龙之谷十字军输出手法
