string(305) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2024%E5%B9%B4%E6%95%B0%E5%AD%97%E8%B4%A7%E5%B8%81%E5%85%A8%E5%9B%BD%E4%BD%BF%E7%94%A8%E7%8E%B0%E9%87%91%E5%8F%AF%E4%BB%A5%E7%94%A8%E5%90%97 => Failed to connect to 61.171.74.35 port 38027: Connection refused"
2024年数字货币全国使用现金可以用吗
