string(229) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=ipad%E6%B8%85%E7%90%86%E5%86%85%E5%AD%98%E5%9E%83%E5%9C%BEapp => Failed to connect to 101.89.143.195 port 38109: Connection refused"
ipad清理内存垃圾app
