string(249) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%BB%BF%E6%9D%BE%E7%9F%B3%E6%B3%A1%E6%B0%B4%E4%BC%9A%E5%8F%98%E8%BD%AF%E5%90%97 => Failed to connect to 101.89.117.144 port 38005: Connection refused"
绿松石泡水会变软吗
