查看創建的user
keystone user-list
若出現如下錯誤:Unable to communicate with identity service:{"error": {"message": "The request you have maderequires authentication.", "code": 401, "title":"Not Authorized"}}. (HTTP 401)可刪除數據庫keystone後重新創建keystone，從keystone-manage db_sync 開始重試一次