string(255) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=cpa%E4%BC%9A%E8%AE%A1ppp%E9%A1%B9%E7%9B%AE%E5%8F%AF%E4%BB%A5%E6%94%BE%E5%BC%83%E5%90%97 => Failed to connect to 125.88.227.171 port 38114: Connection refused"
cpa会计ppp项目可以放弃吗
