string(230) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%8B%B9%E6%9E%9C8%E5%A4%9A%E5%A4%A7%E5%B0%BA%E5%AF%B8%E7%9A%84 => Failed to connect to 218.78.59.96 port 38042: Connection refused"
苹果8多大尺寸的
