From ffd851fc0c8e3ccb468906f45eabc2aaf5a60c8e Mon Sep 17 00:00:00 2001
From: chenxi <chenxi@caiwuxitong.local>
Date: Mon, 5 Oct 2026 12:07:12 +0800
Subject: [PATCH] =?UTF-8?q?=E5=9B=9B=E9=A1=B9=E5=85=A80=E6=97=B6=E5=8A=A0?=
 =?UTF-8?q?=E6=9D=83=E5=8F=96=E4=B8=A4=E4=BD=8D=E8=88=8D=E5=85=A5=E5=90=8E?=
 =?UTF-8?q?=E7=9A=84=E6=9B=B4=E6=94=B9=E4=BB=B7=E6=A0=BC=EF=BC=8C=E4=BF=AE?=
 =?UTF-8?q?=E5=A4=8D=2072.00495=E2=86=9272.01=20=E5=81=8F=E5=B7=AE?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 app/Console/Commands/ComputeProductMonthlyWeightedAverage.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/app/Console/Commands/ComputeProductMonthlyWeightedAverage.php b/app/Console/Commands/ComputeProductMonthlyWeightedAverage.php
index aa103161..16f5e029 100644
--- a/app/Console/Commands/ComputeProductMonthlyWeightedAverage.php
+++ b/app/Console/Commands/ComputeProductMonthlyWeightedAverage.php
@@ -281,7 +281,8 @@ class ComputeProductMonthlyWeightedAverage extends Command
         $openingAmount = $adjusted === null ? null : round($openingAmountRaw, 2);
         $denominator = $openingQuantity + $purchaseQuantity;
         if ($denominator === 0.0) {
-            $weighted = $adjusted === null ? null : round($adjusted, 4);
+            // 四项全 0：加权平均单价取"更改价格"（按两位舍入后的值）。
+            $weighted = $adjusted === null ? null : round($adjusted, 2);
         } else {
             // 先除再舍入：用未舍入的期初金额与入库金额相除，最后统一保留两位。
             $weighted = round(($openingAmountRaw + $purchaseAmountRaw) / $denominator, 4);