string(276) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%8B%89%E8%82%9A%E5%AD%90%E5%87%A0%E6%AC%A1%E7%AE%97%E8%84%B1%E6%B0%B4%E5%90%83%E4%BB%80%E4%B9%88%E8%8D%AF => Failed to connect to 101.89.117.144 port 38005: Connection refused"
拉肚子几次算脱水吃什么药
