diff --git a/Dockerfile b/Dockerfile
index b2e637f..08f30ff 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -31,6 +31,6 @@ COPY . /var/www
 # 5. 補上自動載入優化
 RUN composer dump-autoload --optimize --no-dev
 
-EXPOSE 9000
+EXPOSE 8000
 
-CMD ["php", "/var/www/artisan", "serve", "--host=0.0.0.0", "--port=9000"]
\ No newline at end of file
+CMD ["php", "/var/www/artisan", "serve", "--host=0.0.0.0", "--port=8000"]
\ No newline at end of file