diff --git a/backup.sh b/backup.sh
new file mode 100755
index 0000000..43c6d99
--- /dev/null
+++ b/backup.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+# 備份 Gitea 數據
+
+BACKUP_FILE="gitea-backup-$(date +%Y%m%d).tar.gz"
+tar -czf "$BACKUP_FILE" data/
+
+echo "✓ 備份完成: $BACKUP_FILE"
+ls -lh "$BACKUP_FILE"