string(266) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%BE%AE%E4%BF%A1%E5%8D%A0%E7%94%A8%E4%BA%86%E5%87%A0%E5%8D%81g%E6%80%8E%E4%B9%88%E6%B8%85%E7%90%86 => Failed to connect to 14.18.117.71 port 38220: Connection refused"
微信占用了几十g怎么清理
