diff --git a/docker-compose.yml b/docker-compose.yml
index 057bd3c..e612b2e 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -13,7 +13,7 @@ services:
       - APP_DEBUG=false
       - DB_CONNECTION=pgsql
       - DB_HOST=finance-postgres # 🎯 關鍵：改用資料庫的服務名稱當作 Host！
-      - DB_PORT=5432
+      - DB_PORT=5433:5432
       - DB_DATABASE=myfinance
       - DB_USERNAME=myfinance_henry4682
       - DB_PASSWORD=DwmQ78PB