diff --git a/modules/EcommerceFinance/Repositories/OrderDataMirrorRepository.php b/modules/EcommerceFinance/Repositories/OrderDataMirrorRepository.php
index 4c37ecf1..7de8c475 100644
--- a/modules/EcommerceFinance/Repositories/OrderDataMirrorRepository.php
+++ b/modules/EcommerceFinance/Repositories/OrderDataMirrorRepository.php
@@ -495,7 +495,8 @@ class OrderDataMirrorRepository
         $shopNames = $this->selectedShopNames($filters);
 
         if ($shopNames !== []) {
-            $known = (array) Cache::get(self::SHOP_NAMES_CACHE_KEY, []);
+            // A release clears the complete cache; the small shop directory remains valid.
+            $known = $this->shopNames();
             if (! empty($filters['shop_names_exact']) && array_diff($shopNames, $known) === []) {
                 $query->whereIn('o.shop_name', $shopNames);
             } else {
diff --git a/tests/Unit/EcommerceFinance/OrderDataMirrorRepositoryTest.php b/tests/Unit/EcommerceFinance/OrderDataMirrorRepositoryTest.php
index 25c52e14..451ff867 100644
--- a/tests/Unit/EcommerceFinance/OrderDataMirrorRepositoryTest.php
+++ b/tests/Unit/EcommerceFinance/OrderDataMirrorRepositoryTest.php
@@ -141,6 +141,16 @@ class OrderDataMirrorRepositoryTest extends TestCase
         $selected = $repository->afterSales(array_replace($base, ['shop_names' => ['拼多多-甲店'], 'shop_names_exact' => true]), 1, 25);
         $this->assertSame(['拼多多-甲店'], $this->sortedShops($selected['rows']));
         $this->assertDoesNotMatchRegularExpression('/shop_name\s+LIKE/i', collect($db->getQueryLog())->pluck('query')->implode("\n"));
+
+        Cache::forget(OrderDataMirrorRepository::SHOP_NAMES_CACHE_KEY);
+        $db->table('ops_jst_shop_info')->insert(['shop_id' => 1, 'shop_name' => '拼多多-甲店']);
+        $db->flushQueryLog();
+        $selected = $repository->afterSales(array_replace($base, ['shop_names' => ['拼多多-甲店'], 'shop_names_exact' => true]), 1, 25);
+        $this->assertSame(['拼多多-甲店'], $this->sortedShops($selected['rows']));
+        $this->assertDoesNotMatchRegularExpression('/shop_name\s+LIKE/i', collect($db->getQueryLog())->pluck('query')->implode("\n"));
+        // Array inputs containing partial names still retain the original contains semantics.
+        $partial = $repository->afterSales(array_replace($base, ['shop_names' => ['甲店'], 'shop_names_exact' => true]), 1, 25);
+        $this->assertSame(['拼多多-甲店'], $this->sortedShops($partial['rows']));
     }
 
     public function test_shop_names_lists_distinct_shops_from_the_order_mirror(): void