string(250) "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%E6%9C%BA%E5%9E%8B%E5%B0%BA%E5%AF%B8%E6%98%AF%E5%A4%9A%E5%B0%91 => Failed to connect to 101.89.159.206 port 38100: Connection refused"
苹果8机型尺寸是多少
