string(252) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=cad%E6%80%8E%E4%B9%88%E6%B8%85%E7%90%86%E5%9E%83%E5%9C%BE%E5%BF%AB%E6%8D%B7%E9%94%AE => Failed to connect to 101.89.143.195 port 38205: Connection refused"
cad怎么清理垃圾快捷键
