diff --git a/modules/EcommerceFinance/Services/Jushuitan/ShippingReplicaSynchronizer.php b/modules/EcommerceFinance/Services/Jushuitan/ShippingReplicaSynchronizer.php
index 097a0e9b..f55fdfe8 100644
--- a/modules/EcommerceFinance/Services/Jushuitan/ShippingReplicaSynchronizer.php
+++ b/modules/EcommerceFinance/Services/Jushuitan/ShippingReplicaSynchronizer.php
@@ -1292,15 +1292,16 @@ class ShippingReplicaSynchronizer
     }
 
     /**
-     * 工作平台的快递名称/仓库即发货数据视图的 expressName / wareHoursName(抽样 14/14 一致)：
-     * 视图有值时以视图为准；视图无该出库单时保留出库单/发货明细推断的值。
+     * 仓库以发货数据视图的 wareHoursName 为准(工作平台口径)；快递名称以出库单/发货明细当前值为准，视图仅兜底。
      */
     private function withViewCarrier(string $io, array $pkg, int $pkgId): array
     {
         if ($io === '') {
             return $pkg;
         }
-        if (! empty($this->ioExpress[$io])) {
+        // 快递名称以出库单/发货明细的当前值为准：聚水潭换单、改快递公司后出库单与发货明细会更新，工作平台跟着变，
+        // 发货数据视图的 expressName 却停在旧值(如 崔桥顺丰干配→常州德邦)。视图只在出库单/发货明细没有快递名称时兜底。
+        if (trim((string) ($pkg['express_name1'] ?? '')) === '' && ! empty($this->ioExpress[$io])) {
             $pkg['express_name1'] = $this->ioExpress[$io];
         }
         if (! empty($this->ioWare[$io])) {
diff --git a/tests/Unit/EcommerceFinance/ShippingReplicaSynchronizerTest.php b/tests/Unit/EcommerceFinance/ShippingReplicaSynchronizerTest.php
index 9fd60ebe..41fafcc6 100644
--- a/tests/Unit/EcommerceFinance/ShippingReplicaSynchronizerTest.php
+++ b/tests/Unit/EcommerceFinance/ShippingReplicaSynchronizerTest.php
@@ -1300,8 +1300,11 @@ class ShippingReplicaSynchronizerTest extends TestCase
         $carrier->setAccessible(true);
 
         // 视图有值：快递名称、仓库按视图(工作平台口径)，不再按发货主体回填
+        // 快递名称：出库单/发货明细已有当前值(换单后)时不被视图旧值覆盖；没有时用视图兜底
         $pkg = $carrier->invoke($sync, '12', ['express_name1' => '崔桥顺丰干配', 'warehouse_name' => '工厂-河北浩浦代发仓'], 1);
-        $this->assertSame('常州德邦', $pkg['express_name1']);
+        $this->assertSame('崔桥顺丰干配', $pkg['express_name1']);
+        $blank = $carrier->invoke($sync, '12', ['express_name1' => '', 'warehouse_name' => ''], 5);
+        $this->assertSame('常州德邦', $blank['express_name1']);
         $this->assertSame('工厂-河南千优代发仓', $pkg['warehouse_name']);
         $this->assertArrayNotHasKey(1, $pending->getValue($sync));