diff --git a/env.template b/env.template
index 981e7ee..f35d15a 100644
--- a/env.template
+++ b/env.template
@@ -12,7 +12,7 @@ NEXT_PUBLIC_SUPABASE_ANON_KEY=your-anon-key-here
 # 應用程式 URL
 # ================================
 # 開發環境
-NEXT_PUBLIC_APP_URL=http://localhost:3000
+NEXT_PUBLIC_APP_URL=http://localhost:12027
 
 # 生產環境（部署到 Vercel 後修改）
 # NEXT_PUBLIC_APP_URL=https://your-app-name.vercel.app
diff --git a/package.json b/package.json
index 8e6c0ae..f5a52ba 100644
--- a/package.json
+++ b/package.json
@@ -4,9 +4,9 @@
   "private": true,
   "scripts": {
     "build": "next build",
-    "dev": "next dev",
+    "dev": "next dev -p 12027",
     "lint": "next lint",
-    "start": "next start"
+    "start": "next start -p 12027"
   },
   "dependencies": {
     "@hookform/resolvers": "^3.9.1",