string(228) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2019ipad%E5%8F%82%E6%95%B0%E9%85%8D%E7%BD%AE%E8%AF%A6%E7%BB%86 => Failed to connect to 14.116.215.7 port 38225: Connection refused"
2019ipad参数配置详细
