From ce0a7b3409ed49baab2021cb9129bfddad204549 Mon Sep 17 00:00:00 2001
From: sky121113 <sky121113@gmail.com>
Date: Tue, 27 Jan 2026 10:05:46 +0800
Subject: [PATCH] =?UTF-8?q?feat(procurement):=20=E6=8E=A1=E8=B3=BC?=
 =?UTF-8?q?=E5=96=AE=E8=99=9F=E6=A0=BC=E5=BC=8F=E5=A2=9E=E5=8A=A0=20PO=20?=
 =?UTF-8?q?=E5=89=8D=E7=B6=B4?=
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---
 .../Procurement/Controllers/PurchaseOrderController.php    | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/app/Modules/Procurement/Controllers/PurchaseOrderController.php b/app/Modules/Procurement/Controllers/PurchaseOrderController.php
index d5774a4..7e17c79 100644
--- a/app/Modules/Procurement/Controllers/PurchaseOrderController.php
+++ b/app/Modules/Procurement/Controllers/PurchaseOrderController.php
@@ -187,9 +187,10 @@ class PurchaseOrderController extends Controller
         try {
             DB::beginTransaction();
 
-            // 生成單號：YYYYMMDD001
+            // 生成單號：POYYYYMMDD001
             $today = now()->format('Ymd');
-            $lastOrder = PurchaseOrder::where('code', 'like', $today . '%')
+            $prefix = 'PO' . $today;
+            $lastOrder = PurchaseOrder::where('code', 'like', $prefix . '%')
                 ->lockForUpdate() // 鎖定以避免並發衝突
                 ->orderBy('code', 'desc')
                 ->first();
@@ -201,7 +202,7 @@ class PurchaseOrderController extends Controller
             } else {
                 $sequence = '001';
             }
-            $code = $today . $sequence;
+            $code = $prefix . $sequence;
 
             $totalAmount = 0;
             foreach ($validated['items'] as $item) {