string(256) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B3%A8%E4%BC%9A%E7%9A%84%E7%AD%BE%E5%AD%97%E6%9D%83%E6%9C%89%E4%BB%80%E4%B9%88%E7%94%A8 => Failed to connect to 14.18.117.71 port 38164: Connection refused"
注会的签字权有什么用
