string(262) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%85%89%E4%BC%8F%E5%B1%8B%E9%A1%B6bipv%E6%A8%A1%E5%BC%8F%E4%BC%9A%E6%BC%8F%E6%B0%B4%E5%90%97 => Failed to connect to 101.89.143.195 port 38205: Connection refused"
光伏屋顶bipv模式会漏水吗
