string(294) "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%E7%BB%99%E6%89%B9%E9%87%8F%E6%96%87%E4%BB%B6%E6%8C%89%E9%A1%BA%E5%BA%8F%E5%91%BD%E5%90%8D%E6%A0%BC%E5%BC%8F => Failed to connect to 101.89.159.206 port 38100: Connection refused"
如何给批量文件按顺序命名格式
