[
  {
    "id": "1",
    "username": "admin",
    "password": "admin123",
    "name": "管理员",
    "role": "super_admin"
  },
  {
    "id": "2",
    "username": "manager",
    "password": "manager123",
    "name": "普通管理员",
    "role": "admin"
  }
]