生成的密碼哈希: Email: admin@example.com Password: admin123 Hash: $2y$10$unB.bUS/VtGKxyHS3KJLmey5fn36XVHz9vutEEi3wRRy2CwCSLYta Email: teacher@example.com Password: teacher123 Hash: $2y$10$hX8HAFlGf4.FXhI79aAB9eHuJgQCdlx8pXQf3qsXoqR213qkVD0C. Email: student@example.com Password: student123 Hash: $2y$10$0xqbwLdPs42/GYGBZkABGeWUBXekktEHfPvckqY2bRZKu/9ZwQyGa