string(303) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%80%8E%E4%B9%88%E6%B8%85%E9%99%A4%E7%94%B5%E8%84%91%E5%86%85%E5%AD%98%E5%AD%98%E5%82%A8%E7%A9%BA%E9%97%B4%E6%95%B0%E6%8D%AE%E5%91%A2 => Failed to connect to 101.89.117.144 port 38056: Connection refused"
怎么清除电脑内存存储空间数据呢
