string(269) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%8E%B0%E5%9C%A8%E4%B9%B0%E8%8B%B9%E6%9E%9C12%E8%BF%98%E6%98%AF%E5%8F%8C11%E4%B9%B0%E5%88%92%E7%AE%97 => Failed to connect to 14.18.117.71 port 38133: Connection refused"
现在买苹果12还是双11买划算
