string(276) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%86%99%E4%B8%80%E4%BB%BD%E7%AE%80%E5%8D%95%E7%9A%84%E6%8A%95%E6%A0%87%E4%B9%A6%E5%A4%9A%E5%B0%91%E9%92%B1 => Failed to connect to 101.89.166.210 port 38089: Connection refused"
写一份简单的投标书多少钱
