string(280) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=icloud%E9%99%8D%E7%BA%A7%E5%90%8E%E5%8E%9F%E6%9D%A5%E7%9A%84%E6%95%B0%E6%8D%AE%E4%BC%9A%E6%B6%88%E5%A4%B1%E5%90%97 => Failed to connect to 14.116.215.7 port 38225: Connection refused"
icloud降级后原来的数据会消失吗
