string(265) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%A4%A7%E5%AE%9D%E6%9C%89%E7%BE%8E%E7%99%BD%E7%9A%84%E6%95%88%E6%9E%9C%E5%90%97%E7%9F%A5%E4%B9%8E => Failed to connect to 14.18.117.71 port 38093: Connection refused"
大宝有美白的效果吗知乎
