string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BA%8C%E5%BB%BA%E4%B9%A6%E7%B1%8D%E6%96%B0%E5%8D%8E%E4%B9%A6%E5%BA%97%E6%9C%89%E5%90%97 => Failed to connect to 125.88.227.171 port 38062: Connection refused"
二建书籍新华书店有吗
