string(283) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%8A%A6%E8%8D%9F%E8%83%B6%E9%99%A4%E4%BA%86%E8%A1%A5%E6%B0%B4%E8%BF%98%E6%9C%89%E4%BB%80%E4%B9%88%E4%BD%9C%E7%94%A8 => Failed to connect to 14.18.117.71 port 38093: Connection refused"
芦荟胶除了补水还有什么作用
