string(238) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%A6%82%E4%BD%95%E9%A2%84%E9%98%B2%E6%89%8B%E6%9C%BA%E8%BE%90%E5%B0%84 => Failed to connect to 61.171.74.35 port 38027: Connection refused"
如何预防手机辐射
