diff --git a/reset_npm_password.sh b/reset_npm_password.sh
new file mode 100644
index 0000000..21dcc75
--- /dev/null
+++ b/reset_npm_password.sh
@@ -0,0 +1,15 @@
+#!/bin/bash
+# 重設 Nginx Proxy Manager 管理員密碼為 changeme
+# 登入後請立即修改密碼
+# 預設帳號: admin@example.com / changeme
+
+sudo docker exec nginxproxymanager /opt/certbot/bin/python3 -c "
+import sqlite3
+conn = sqlite3.connect('/data/database.sqlite')
+c = conn.cursor()
+new_hash = '\$2b\$13\$KMga1dMEtMFLFxJOq3iXBOwWbCFHE5NkvQ3Oeos0MAfvsKVdqGJWy'
+c.execute('UPDATE auth SET secret=? WHERE id=1', (new_hash,))
+conn.commit()
+print('Password reset done. Rows affected:', c.rowcount)
+conn.close()
+"