diff --git a/config/upstream_mirrors.php b/config/upstream_mirrors.php
index 9312fc47..585a67d5 100644
--- a/config/upstream_mirrors.php
+++ b/config/upstream_mirrors.php
@@ -433,6 +433,7 @@ return [
                 ['Id'],
                 ['fee_time', 'Id', 'inout_type', 'amount'],
                 ['shop_id', 'fee_time', 'Id', 'inout_type', 'amount', 'fee_name'],
+                ['fee_name'],
             ],
         ],
         'jiansun.dbo.alipay_Bill_Detail' => [
diff --git a/database/migrations/2026_09_14_160000_index_pinduoduo_bill_filter_options.php b/database/migrations/2026_09_14_160000_index_pinduoduo_bill_filter_options.php
new file mode 100644
index 00000000..b078c446
--- /dev/null
+++ b/database/migrations/2026_09_14_160000_index_pinduoduo_bill_filter_options.php
@@ -0,0 +1,31 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    private const TABLE = 'js_jst_pdd_receiving_bill_rows';
+    private const INDEX = 'idx_pdd_receiving_bill_fee_name';
+
+    public function up(): void
+    {
+        if (config('system_database.mode', 'bootstrap') === 'bootstrap') return;
+
+        $schema = Schema::connection((string) config('upstream_mirrors.connection', 'business_mirror'));
+        if (! $schema->hasTable(self::TABLE) || $schema->hasIndex(self::TABLE, self::INDEX)) return;
+
+        $schema->table(self::TABLE, static fn (Blueprint $table) => $table->index(['fee_name'], self::INDEX));
+    }
+
+    public function down(): void
+    {
+        if (config('system_database.mode', 'bootstrap') === 'bootstrap') return;
+
+        $schema = Schema::connection((string) config('upstream_mirrors.connection', 'business_mirror'));
+        if (! $schema->hasTable(self::TABLE) || ! $schema->hasIndex(self::TABLE, self::INDEX)) return;
+
+        $schema->table(self::TABLE, static fn (Blueprint $table) => $table->dropIndex(self::INDEX));
+    }
+};
diff --git a/modules/EcommerceFinance/Repositories/StoreReceivingAlipayBillMirrorRepository.php b/modules/EcommerceFinance/Repositories/StoreReceivingAlipayBillMirrorRepository.php
index 3b629011..96fd4412 100644
--- a/modules/EcommerceFinance/Repositories/StoreReceivingAlipayBillMirrorRepository.php
+++ b/modules/EcommerceFinance/Repositories/StoreReceivingAlipayBillMirrorRepository.php
@@ -61,7 +61,7 @@ class StoreReceivingAlipayBillMirrorRepository
 
         $targetTable = $dataset->targetTable();
         $query = $this->billQuery($targetTable);
-        $this->applyChannel($query, $channel);
+        $this->applyChannel($query, $channel, $dataset->fixedFilters());
         $this->applyFilters($query, $filters);
         $state = $this->mirror->state($dataset) ?? [];
         // Completed runs persist an exact COUNT. New incremental batches keep
@@ -127,7 +127,7 @@ class StoreReceivingAlipayBillMirrorRepository
 
         $targetTable = $dataset->targetTable();
         $query = $this->billQuery($targetTable);
-        $this->applyChannel($query, $channel);
+        $this->applyChannel($query, $channel, $dataset->fixedFilters());
         $this->applyFilters($query, $filters);
         $shopNames = $this->allShopNames();
         $direction = $direction === 'desc' ? 'desc' : 'asc';
@@ -152,7 +152,7 @@ class StoreReceivingAlipayBillMirrorRepository
         }
 
         $channelQuery = $this->billQuery($dataset->targetTable());
-        $this->applyChannel($channelQuery, $channel);
+        $this->applyChannel($channelQuery, $channel, $dataset->fixedFilters());
 
         $shopIds = (clone $channelQuery)
             ->whereNotNull('b.shop_id')
@@ -384,11 +384,12 @@ class StoreReceivingAlipayBillMirrorRepository
         }
     }
 
-    private function applyChannel(Builder $query, ?string $channel): void
+    /** @param array<string,scalar> $fixedFilters */
+    private function applyChannel(Builder $query, ?string $channel, array $fixedFilters): void
     {
-        if ($channel !== null && $channel !== '') {
-            $query->where('b.channel', $channel);
-        }
+        if ($this->channelCoversDataset($channel, $fixedFilters)) return;
+
+        $query->where('b.channel', $channel);
     }
 
     /** @param array<string,scalar> $fixedFilters */
diff --git a/tests/Unit/EcommerceFinance/StoreReceivingAlipayBillMirrorRepositoryTest.php b/tests/Unit/EcommerceFinance/StoreReceivingAlipayBillMirrorRepositoryTest.php
index f68fad4a..d0608f97 100644
--- a/tests/Unit/EcommerceFinance/StoreReceivingAlipayBillMirrorRepositoryTest.php
+++ b/tests/Unit/EcommerceFinance/StoreReceivingAlipayBillMirrorRepositoryTest.php
@@ -364,6 +364,38 @@ class StoreReceivingAlipayBillMirrorRepositoryTest extends TestCase
         $this->assertSame(['交易佣金', '订单收入'], $options['bill_items']);
     }
 
+    public function test_shared_dataset_keeps_channel_predicates_for_all_query_entry_points(): void
+    {
+        $this->markReady();
+        $db = DB::connection('business_mirror');
+        $db->table('ops_jst_shop_info')->insert([
+            ['Id' => 10, 'shop_id' => 7, 'shop_name' => '淘系店铺'],
+            ['Id' => 11, 'shop_id' => 8, 'shop_name' => '其他店铺'],
+        ]);
+        $db->table('ops_jst_original_bill_info')->insert([
+            $this->row(1, 7, '2026-08-01 09:00:00', '1', 100.25, 'CommonBillTGCPay', '交易收入'),
+            $this->row(2, 8, '2026-08-02 09:00:00', '1', 88.00, 'OtherChannel', '其他收入'),
+        ]);
+        $db->flushQueryLog();
+        $db->enableQueryLog();
+
+        $result = $this->repository->paginateChannel([], 'occurred_at', 'desc', 1, 10, 'CommonBillTGCPay');
+        $options = $this->repository->filterOptionsForChannel('CommonBillTGCPay');
+        $export = iterator_to_array($this->repository->exportChannelRows([], 'occurred_at', 'asc', 'CommonBillTGCPay'));
+
+        $this->assertSame(1, $result['total']);
+        $this->assertSame(['淘系店铺'], $options['shops']);
+        $this->assertSame(['交易收入'], $options['bill_items']);
+        $this->assertCount(1, $export);
+        $channelQueries = array_filter(
+            $db->getQueryLog(),
+            static fn (array $query): bool => str_contains($query['query'], '"b"."channel" = ?')
+                && in_array('CommonBillTGCPay', $query['bindings'], true),
+        );
+        $this->assertGreaterThanOrEqual(6, count($channelQueries));
+        $db->disableQueryLog();
+    }
+
     private function markReady(): void
     {
         foreach ([StoreReceivingAlipayBillMirrorRepository::DATASET, StoreReceivingAlipayBillMirrorRepository::SHOP_DATASET] as $dataset) {
diff --git a/tests/Unit/EcommerceFinance/StoreReceivingPinduoduoBillMirrorRepositoryTest.php b/tests/Unit/EcommerceFinance/StoreReceivingPinduoduoBillMirrorRepositoryTest.php
index a4f28d7c..09e318dc 100644
--- a/tests/Unit/EcommerceFinance/StoreReceivingPinduoduoBillMirrorRepositoryTest.php
+++ b/tests/Unit/EcommerceFinance/StoreReceivingPinduoduoBillMirrorRepositoryTest.php
@@ -72,7 +72,7 @@ class StoreReceivingPinduoduoBillMirrorRepositoryTest extends TestCase
         $this->markReady();
     }
 
-    public function test_it_reads_only_pinduoduo_goods_account_rows_and_maps_source_fields(): void
+    public function test_it_reads_the_pinduoduo_dedicated_dataset_and_maps_source_fields(): void
     {
         DB::connection('business_mirror')->table('ops_jst_shop_info')->insert([
             ['Id' => 10, 'shop_id' => 7, 'shop_name' => '拼多多-测试店'],
@@ -81,7 +81,6 @@ class StoreReceivingPinduoduoBillMirrorRepositoryTest extends TestCase
         DB::connection('business_mirror')->table('js_jst_pdd_receiving_bill_rows')->insert([
             $this->row(1, 7, 'PinduoduoImport', '2026-09-09 23:55:47', '1', 91.64),
             $this->row(2, 7, 'PinduoduoImport', '2026-09-09 23:58:52', '-1', 0.66),
-            $this->row(3, 8, 'TouTiaoFXGZJ', '2026-09-09 23:59:00', '1', 999.00),
         ]);
 
         $result = $this->repository->paginate([], 'occurred_at', 'desc', 1, 10);
@@ -99,7 +98,7 @@ class StoreReceivingPinduoduoBillMirrorRepositoryTest extends TestCase
         $this->assertSame(90.98, $result['summary']['balance']);
     }
 
-    public function test_filters_options_and_export_keep_the_fixed_channel(): void
+    public function test_filters_options_and_export_do_not_repeat_the_dataset_fixed_channel(): void
     {
         DB::connection('business_mirror')->table('ops_jst_shop_info')->insert([
             ['Id' => 10, 'shop_id' => 7, 'shop_name' => '拼多多-A店'],
@@ -109,8 +108,10 @@ class StoreReceivingPinduoduoBillMirrorRepositoryTest extends TestCase
         DB::connection('business_mirror')->table('js_jst_pdd_receiving_bill_rows')->insert([
             $this->row(1, 7, 'PinduoduoImport', '2026-08-12 09:00:00', '1', 22.80, '交易收入'),
             $this->row(2, 8, 'PinduoduoImport', '2026-08-13 09:00:00', '-1', 0.14, '技术服务费'),
-            $this->row(3, 9, 'TouTiaoFXGZJ', '2026-08-13 09:00:00', '1', 99.00, '订单收入'),
         ]);
+        $connection = DB::connection('business_mirror');
+        $connection->flushQueryLog();
+        $connection->enableQueryLog();
 
         $result = $this->repository->paginate([
             'store_name' => 'A店',
@@ -128,6 +129,16 @@ class StoreReceivingPinduoduoBillMirrorRepositoryTest extends TestCase
         $this->assertSame(['交易收入', '技术服务费'], $options['bill_items']);
         $this->assertCount(1, $export);
         $this->assertSame('380000002', $export[0]['record_code']);
+        $targetQueries = array_filter(
+            $connection->getQueryLog(),
+            static fn (array $query): bool => str_contains($query['query'], 'js_jst_pdd_receiving_bill_rows'),
+        );
+        $this->assertNotEmpty($targetQueries);
+        $this->assertCount(0, array_filter(
+            $targetQueries,
+            static fn (array $query): bool => str_contains($query['query'], '"b"."channel" = ?'),
+        ));
+        $connection->disableQueryLog();
     }
 
     public function test_unfiltered_total_uses_the_exact_mirror_count(): void
@@ -154,6 +165,30 @@ class StoreReceivingPinduoduoBillMirrorRepositoryTest extends TestCase
         $connection->disableQueryLog();
     }
 
+    public function test_fee_name_index_config_and_migration_are_idempotent_and_reversible(): void
+    {
+        $configured = require base_path('config/upstream_mirrors.php');
+        $indexes = $configured['datasets'][StoreReceivingPinduoduoBillMirrorRepository::DATASET]['indexes'];
+        $this->assertContains(['fee_name'], $indexes);
+
+        config(['system_database.mode' => 'connected']);
+        $table = DB::connection('business_mirror')->table('js_jst_pdd_receiving_bill_rows');
+        $table->insert($this->row(1, 7, 'PinduoduoImport', '2026-08-12 09:00:00', '1', 22.80));
+        $before = (array) $table->first();
+        $migration = require base_path('database/migrations/2026_09_14_160000_index_pinduoduo_bill_filter_options.php');
+
+        $migration->up();
+        $migration->up();
+
+        $schema = Schema::connection('business_mirror');
+        $this->assertTrue($schema->hasIndex('js_jst_pdd_receiving_bill_rows', 'idx_pdd_receiving_bill_fee_name'));
+        $this->assertEquals($before, (array) $table->first());
+
+        $migration->down();
+        $this->assertFalse($schema->hasIndex('js_jst_pdd_receiving_bill_rows', 'idx_pdd_receiving_bill_fee_name'));
+        $this->assertEquals($before, (array) $table->first());
+    }
+
     private function markReady(): void
     {
         foreach ([StoreReceivingPinduoduoBillMirrorRepository::DATASET, StoreReceivingAlipayBillMirrorRepository::SHOP_DATASET] as $dataset) {