[
  {
    "_id": ObjectId("5bd7cc105fa31256f77e4eb7"),
    "RoleName": "Administrators",
    "Description": "系统管理员",
    "Menus": [],
    "Apps": []
  },
  {
    "_id": ObjectId("5bd7cc105fa31256f77e4eb8"),
    "RoleName": "Default",
    "Description": "默认用户，可访问前台页面",
    "Menus": [],
    "Apps": []
  }
]