string(249) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%BB%BF%E8%89%B2%E7%9A%84%E6%B0%B4%E6%99%B6%E7%9F%B3%E5%80%BC%E9%92%B1%E5%90%97 => Failed to connect to 101.89.143.195 port 38109: Connection refused"
绿色的水晶石值钱吗
