string(251) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%89%B9%E9%87%8F%E9%87%8D%E5%91%BD%E5%90%8D%E4%B8%8D%E5%B8%A6%E6%8B%AC%E5%8F%B7ba => Failed to connect to 101.89.143.195 port 38109: Connection refused"
批量重命名不带括号ba
