string(259) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%8B%B9%E6%9E%9C7%E6%89%8B%E6%9C%BA%E7%9A%84%E5%B0%BA%E5%AF%B8%E6%98%AF%E5%A4%9A%E5%B0%91 => Failed to connect to 101.89.117.144 port 38005: Connection refused"
苹果7手机的尺寸是多少
