string(276) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%9B%91%E7%90%86%E6%8A%95%E8%B5%84%E6%8E%A7%E5%88%B6%E8%AE%A1%E7%AE%97%E5%85%AC%E5%BC%8F%E6%B1%87%E6%80%BB => Failed to connect to 101.89.117.144 port 38076: Connection refused"
监理投资控制计算公式汇总
