生成的密碼哈希: Email: admin@example.com Password: admin123 Hash: $2y$10$NVZg1ru5z0T8St80z8RpZe9oR1Z2QL6LZq2W1Dp3i7XatXYO2GP2S Email: teacher@example.com Password: teacher123 Hash: $2y$10$FzR280d49nXdR35KaLhiBeLOGh/QtY6sZzv6HY.fIxoUYLVDE0L6W Email: student@example.com Password: student123 Hash: $2y$10$ZAedwqj9BmV0aBOmBUIcaeWMmvFd/CzurLt539..svObZkNnHizUC