diff --git a/app/Http/Controllers/Admin/PlatformOrderController.php b/app/Http/Controllers/Admin/PlatformOrderController.php
index 17d98a6..fc50f1d 100644
--- a/app/Http/Controllers/Admin/PlatformOrderController.php
+++ b/app/Http/Controllers/Admin/PlatformOrderController.php
@@ -1001,6 +1001,15 @@ class PlatformOrderController extends Controller
         $success = 0;
         $nowStr = now()->toDateTimeString();
 
+        // 筛选摘要：用于审计记录（便于追溯本次批量处理口径）
+        $filterSummaryParts = [];
+        foreach ($filters as $k => $v) {
+            if ((string) $v !== '') {
+                $filterSummaryParts[] = $k . '=' . (string) $v;
+            }
+        }
+        $filterSummary = implode('&', $filterSummaryParts);
+
         foreach ($orders as $row) {
             $order = PlatformOrder::query()->find($row->id);
             if (! $order) {
@@ -1022,6 +1031,8 @@ class PlatformOrderController extends Controller
                 'scope' => $scope,
                 'at' => $nowStr,
                 'admin_id' => $admin->id,
+                'filters' => $filterSummary,
+                'note' => '批量仅标记为已生效（limit=' . $limit . ', matched=' . $matchedTotal . ', processed=' . $processed . ')',
             ];
             data_set($meta, 'audit', $audit);
 
diff --git a/tests/Feature/AdminPlatformOrderBatchMarkActivatedTest.php b/tests/Feature/AdminPlatformOrderBatchMarkActivatedTest.php
index 35893ce..9e50109 100644
--- a/tests/Feature/AdminPlatformOrderBatchMarkActivatedTest.php
+++ b/tests/Feature/AdminPlatformOrderBatchMarkActivatedTest.php
@@ -110,7 +110,10 @@ class AdminPlatformOrderBatchMarkActivatedTest extends TestCase
 
         $audit1 = (array) (data_get($o1->meta, 'audit', []) ?? []);
         $this->assertNotEmpty($audit1);
-        $this->assertSame('batch_mark_activated', (string) data_get(end($audit1), 'action'));
+        $last = end($audit1);
+        $this->assertSame('batch_mark_activated', (string) data_get($last, 'action'));
+        $this->assertNotEmpty(data_get($last, 'filters'));
+        $this->assertNotEmpty(data_get($last, 'note'));
     }
 
     public function test_batch_mark_activated_requires_paid_pending_filters_in_filtered_scope(): void