string(301) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%A6%82%E4%BD%95%E6%89%B9%E9%87%8F%E6%8C%89%E9%A1%BA%E5%BA%8F%E4%BF%AE%E6%94%B9%E6%96%87%E4%BB%B6%E5%90%8D%E5%AD%97%E6%A0%BC%E5%BC%8F => Failed to connect to 14.18.117.71 port 38133: Connection refused"
如何批量按顺序修改文件名字格式
