diff --git a/app/Business/StoreReceiptPlatformSkuMapper.php b/app/Business/StoreReceiptPlatformSkuMapper.php
new file mode 100644
index 00000000..cf93f42f
--- /dev/null
+++ b/app/Business/StoreReceiptPlatformSkuMapper.php
@@ -0,0 +1,84 @@
+<?php
+
+namespace App\Business;
+
+/**
+ * 平台数字 SKU → 历史已拆分内部商品编码。
+ *
+ * 平台 shop_sku_id 已包含平台规格维度；仅当同一 shop_sku_id + shop_i_id
+ * 的历史内部编码唯一时才允许替换，多候选保持待核验。
+ */
+class StoreReceiptPlatformSkuMapper
+{
+    /** @var array<string,array<string,int>> */
+    private array $internalSkus = [];
+
+    /** @var array<string,array<string,int>> */
+    private array $internalProperties = [];
+
+    /** @var array<string,int> */
+    private array $historyRows = [];
+
+    /** @param iterable<object|array<string,mixed>> $historyRows */
+    public function __construct(iterable $historyRows)
+    {
+        foreach ($historyRows as $row) {
+            $shopSkuId = trim((string) $this->value($row, 'shop_sku_id'));
+            $shopItemId = trim((string) $this->value($row, 'shop_i_id'));
+            $skuId = trim((string) $this->value($row, 'sku_id'));
+            $itemId = trim((string) $this->value($row, 'i_id'));
+            if ($shopSkuId === '' || $shopItemId === '' || $skuId === '') {
+                continue;
+            }
+
+            // 平台原始行的 i_id 等于 shop_i_id；内部拆分行的 i_id 是内部款式编码。
+            if ($itemId === '' || $itemId === $shopItemId) {
+                continue;
+            }
+
+            $key = $this->key($shopSkuId, $shopItemId);
+            $this->internalSkus[$key][$skuId] = ($this->internalSkus[$key][$skuId] ?? 0) + 1;
+            $property = trim((string) $this->value($row, 'properties_value'));
+            if ($property !== '') {
+                $this->internalProperties[$key][$property] = ($this->internalProperties[$key][$property] ?? 0) + 1;
+            }
+            $this->historyRows[$key] = ($this->historyRows[$key] ?? 0) + 1;
+        }
+    }
+
+    /**
+     * @return array{
+     *   status:string,
+     *   internal_sku:?string,
+     *   candidates:list<string>,
+     *   history_rows:int,
+     *   internal_properties:list<string>
+     * }
+     */
+    public function resolve(string $shopSkuId, string $shopItemId): array
+    {
+        $key = $this->key(trim($shopSkuId), trim($shopItemId));
+        $skus = array_keys($this->internalSkus[$key] ?? []);
+        sort($skus);
+        $properties = array_keys($this->internalProperties[$key] ?? []);
+        sort($properties);
+
+        return [
+            'status' => count($skus) === 1 ? 'unique' : ($skus === [] ? 'missing' : 'ambiguous'),
+            'internal_sku' => count($skus) === 1 ? $skus[0] : null,
+            'candidates' => $skus,
+            'history_rows' => (int) ($this->historyRows[$key] ?? 0),
+            'internal_properties' => $properties,
+        ];
+    }
+
+    private function key(string $shopSkuId, string $shopItemId): string
+    {
+        return $shopSkuId . "\0" . $shopItemId;
+    }
+
+    private function value(object|array $row, string $key): mixed
+    {
+        return is_array($row) ? ($row[$key] ?? null) : ($row->{$key} ?? null);
+    }
+}
diff --git a/app/Console/Commands/SyncStoreReceiptProductCost.php b/app/Console/Commands/SyncStoreReceiptProductCost.php
index b855944f..6a4fac23 100644
--- a/app/Console/Commands/SyncStoreReceiptProductCost.php
+++ b/app/Console/Commands/SyncStoreReceiptProductCost.php
@@ -2,6 +2,7 @@
 
 namespace App\Console\Commands;
 
+use App\Business\StoreReceiptPlatformSkuMapper;
 use Illuminate\Console\Command;
 use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\File;
@@ -186,7 +187,7 @@ class SyncStoreReceiptProductCost extends Command
         }
         $this->info('订单侧候选单号：' . count($candidates));
 
-        /** @var array<string,list<array{source:string,sku:string,qty:float,amount:float,warehouse:string,o_id:string,parent_o_id:string,row_key:string,status:string,shop_i_id:string,src_combine_sku_id:string}>> $lines */
+        /** @var array<string,list<array{source:string,sku:string,qty:float,amount:float,warehouse:string,o_id:string,parent_o_id:string,row_key:string,status:string,shop_i_id:string,shop_sku_id:string,properties_value:string,src_combine_sku_id:string}>> $lines */
         $lines = [];
         $excludedSkuSql = "'" . implode("','", self::EXCLUDED_SKUS) . "'";
         foreach (self::SOURCES as $source) {
@@ -199,7 +200,8 @@ class SyncStoreReceiptProductCost extends Command
                     . " o.o_id as o_id, o.link_o_id as parent_o_id, "
                     . " CONCAT(o.o_id, '-', i.oi_id) as row_key, "
                     . " i.sku_id as sku_id, i.qty as qty, i.amount as amount, o.status as status, "
-                    . " i.shop_i_id as shop_i_id, i.src_combine_sku_id as src_combine_sku_id
+                    . " i.shop_i_id as shop_i_id, i.shop_sku_id as shop_sku_id, "
+                    . " i.properties_value as properties_value, i.src_combine_sku_id as src_combine_sku_id
                      FROM tmp_cost_order_nos t
                      STRAIGHT_JOIN {$source['orders']} o ON o.so_id = t.no
                      STRAIGHT_JOIN {$source['items']} i ON i.o_id = o.o_id
@@ -261,12 +263,15 @@ class SyncStoreReceiptProductCost extends Command
                     'status' => (string) ($row->status ?? ''),
                     'row_key' => (string) $row->row_key,
                     'shop_i_id' => trim((string) ($row->shop_i_id ?? '')),
+                    'shop_sku_id' => trim((string) ($row->shop_sku_id ?? '')),
+                    'properties_value' => trim((string) ($row->properties_value ?? '')),
                     'src_combine_sku_id' => mb_strtoupper(trim((string) ($row->src_combine_sku_id ?? ''))),
                 ];
             }
         }
         $this->info('订单侧命中核心单号：' . count($lines));
 
+        $platformSkuMapper = $this->platformSkuMapper($mirror, $lines);
         $shortNames = $this->warehouseShortNames();
         $prices = $this->weightedAverageUnitPrices($mirror, $reportMonth);
         // 月加权平均单价匹配不到时，用「线上代发价格」（采购单价 / 钉钉代发单价）兜底。
@@ -297,6 +302,9 @@ class SyncStoreReceiptProductCost extends Command
         $matchedPriceRows = 0;
         $placeholderExcludedRows = 0;
         $bundleParentExcludedRows = 0;
+        $autoReplacedRows = 0;
+        $mappingAmbiguousRows = 0;
+        $mappingMissingRows = 0;
         $pendingCostRows = [];
 
         foreach ($billByCore as $core => $bill) {
@@ -314,6 +322,11 @@ class SyncStoreReceiptProductCost extends Command
             );
             $placeholderExcludedRows += $excludedPlaceholders;
             $bundleParentExcludedRows += $excludedBundleParents;
+            $mapped = $this->mapPlatformSkus($costLines, $platformSkuMapper);
+            $costLines = $mapped['lines'];
+            $autoReplacedRows += $mapped['auto_replaced_rows'];
+            $mappingAmbiguousRows += $mapped['ambiguous_rows'];
+            $mappingMissingRows += $mapped['missing_rows'];
 
             foreach ($costLines as $line) {
                 $short = $shortNames['by_provider'][$line['warehouse']] ?? '';
@@ -373,10 +386,20 @@ class SyncStoreReceiptProductCost extends Command
                             'warehouse' => $line['warehouse'] !== '' ? $line['warehouse'] : null,
                             'warehouse_short_name' => $short !== '' ? $short : null,
                             'product_code' => $line['sku'],
+                            'original_platform_sku' => $line['original_platform_sku'] ?? null,
+                            'shop_sku_id' => $line['shop_sku_id'] ?? null,
+                            'shop_i_id' => $line['shop_i_id'] ?? null,
+                            'properties_value' => $line['properties_value'] ?? null,
+                            'mapping_status' => $line['platform_mapping_status'] ?? null,
+                            'mapping_candidates' => $line['platform_mapping_candidates'] ?? [],
                             'product_quantity' => $quantity,
                             'reason' => $short === ''
                                 ? '未匹配仓库简称'
-                                : '仓库简称 + 商品编码在月加权、线上代发、普通商品资料中均无有效单价',
+                                : (($line['platform_mapping_status'] ?? null) === 'ambiguous'
+                                    ? '平台 shop_sku_id 对应多个历史内部商品编码'
+                                    : (($line['platform_mapping_status'] ?? null) === 'missing'
+                                        ? '平台 shop_sku_id 未找到历史内部商品编码'
+                                        : '仓库简称 + 商品编码在月加权、线上代发、普通商品资料中均无有效单价')),
                             'code_type' => $this->pendingCodeType((string) $line['sku']),
                         ];
                     }
@@ -437,6 +460,12 @@ class SyncStoreReceiptProductCost extends Command
             $missingPriceRows,
             number_format((float) $pendingCostQuantity, 2),
         ));
+        $this->info(sprintf(
+            '  平台数字 SKU 自动替换：%d 行；多候选保留：%d 行；无历史映射保留：%d 行',
+            $autoReplacedRows,
+            $mappingAmbiguousRows,
+            $mappingMissingRows,
+        ));
 
         $result = [
             'status' => 'success',
@@ -450,6 +479,9 @@ class SyncStoreReceiptProductCost extends Command
             'placeholder_excluded_rows' => $placeholderExcludedRows,
             'bundle_parent_excluded_rows' => $bundleParentExcludedRows,
             'excluded_rows' => $placeholderExcludedRows + $bundleParentExcludedRows,
+            'auto_replaced_platform_sku_rows' => $autoReplacedRows,
+            'platform_sku_mapping_ambiguous_rows' => $mappingAmbiguousRows,
+            'platform_sku_mapping_missing_rows' => $mappingMissingRows,
             'pending_cost_rows' => $missingPriceRows,
             'pending_cost_quantity' => round((float) $pendingCostQuantity, 4),
             'unit_mismatch_rows' => $mismatchRows,
@@ -498,6 +530,152 @@ class SyncStoreReceiptProductCost extends Command
         ]);
     }
 
+    /**
+     * @param array<string,list<array<string,mixed>>> $lines
+     */
+    private function platformSkuMapper($mirror, array $lines): StoreReceiptPlatformSkuMapper
+    {
+        $candidates = [];
+        foreach ($lines as $orderLines) {
+            foreach ($orderLines as $line) {
+                $sku = mb_strtoupper(trim((string) ($line['sku'] ?? '')));
+                $shopSkuId = trim((string) ($line['shop_sku_id'] ?? ''));
+                $shopItemId = trim((string) ($line['shop_i_id'] ?? ''));
+                if (
+                    preg_match('/^\d+$/', $sku) === 1
+                    && $shopSkuId !== ''
+                    && $shopItemId !== ''
+                ) {
+                    $candidates[$shopSkuId . "\0" . $shopItemId] = [
+                        'shop_sku_id' => $shopSkuId,
+                        'shop_i_id' => $shopItemId,
+                    ];
+                }
+            }
+        }
+
+        if ($candidates === []) {
+            return new StoreReceiptPlatformSkuMapper([]);
+        }
+
+        $mirror->statement('DROP TEMPORARY TABLE IF EXISTS tmp_platform_sku_keys');
+        $mirror->statement(
+            'CREATE TEMPORARY TABLE tmp_platform_sku_keys ('
+            . 'shop_sku_id varchar(255) NOT NULL, '
+            . 'shop_i_id varchar(255) NOT NULL, '
+            . 'PRIMARY KEY (shop_sku_id, shop_i_id)'
+            . ') ENGINE=InnoDB',
+        );
+
+        $historyRows = [];
+        try {
+            foreach (array_chunk(array_values($candidates), 500) as $chunk) {
+                $mirror->table('tmp_platform_sku_keys')->insertOrIgnore($chunk);
+            }
+
+            foreach (self::SOURCES as $source) {
+                $rows = $mirror->select(
+                    "SELECT i.shop_sku_id, i.shop_i_id, i.sku_id, i.i_id, i.properties_value
+                     FROM {$source['items']} i
+                     STRAIGHT_JOIN tmp_platform_sku_keys k
+                       ON k.shop_sku_id = i.shop_sku_id
+                      AND k.shop_i_id = i.shop_i_id
+                     WHERE COALESCE(i.i_id, '') <> ''
+                       AND i.i_id <> i.shop_i_id",
+                );
+                foreach ($rows as $row) {
+                    $historyRows[] = $row;
+                }
+            }
+        } catch (Throwable $exception) {
+            $this->warn('平台 SKU 历史映射读取失败，本批数字 SKU 保持待核验：' . $exception->getMessage());
+        } finally {
+            $mirror->statement('DROP TEMPORARY TABLE IF EXISTS tmp_platform_sku_keys');
+        }
+
+        $this->info(sprintf(
+            '平台数字 SKU 候选：%d 个；历史内部商品映射记录：%d 条',
+            count($candidates),
+            count($historyRows),
+        ));
+
+        return new StoreReceiptPlatformSkuMapper($historyRows);
+    }
+
+    /**
+     * @param list<array<string,mixed>> $lines
+     * @return array{
+     *   lines:list<array<string,mixed>>,
+     *   auto_replaced_rows:int,
+     *   ambiguous_rows:int,
+     *   missing_rows:int
+     * }
+     */
+    private function mapPlatformSkus(
+        array $lines,
+        StoreReceiptPlatformSkuMapper $mapper,
+    ): array {
+        $mappedLines = [];
+        foreach ($lines as $line) {
+            $sku = mb_strtoupper(trim((string) $line['sku']));
+            $shopSkuId = trim((string) ($line['shop_sku_id'] ?? ''));
+            $shopItemId = trim((string) ($line['shop_i_id'] ?? ''));
+            $line['platform_mapping_status'] = null;
+            $line['platform_mapping_candidates'] = [];
+            $line['original_platform_sku'] = null;
+
+            if (
+                preg_match('/^\d+$/', $sku) === 1
+                && $shopSkuId !== ''
+                && $shopItemId !== ''
+            ) {
+                $resolution = $mapper->resolve($shopSkuId, $shopItemId);
+                $line['platform_mapping_status'] = $resolution['status'];
+                $line['platform_mapping_candidates'] = $resolution['candidates'];
+                $line['original_platform_sku'] = $sku;
+                if ($resolution['status'] === 'unique' && $resolution['internal_sku'] !== null) {
+                    $line['sku'] = mb_strtoupper($resolution['internal_sku']);
+                    $line['auto_mapped_platform_sku'] = true;
+                }
+            }
+
+            $key = $line['warehouse'] . "\0" . $line['sku'];
+            if (! isset($mappedLines[$key])) {
+                $mappedLines[$key] = $line;
+                continue;
+            }
+
+            $mappedLines[$key]['qty'] += $line['qty'];
+            $mappedLines[$key]['amount'] += $line['amount'];
+            if (! empty($line['auto_mapped_platform_sku'])) {
+                $mappedLines[$key]['auto_mapped_platform_sku'] = true;
+                $mappedLines[$key]['original_platform_sku'] = $line['original_platform_sku'];
+                $mappedLines[$key]['platform_mapping_status'] = 'unique';
+                $mappedLines[$key]['platform_mapping_candidates'] = $line['platform_mapping_candidates'];
+            }
+        }
+
+        $autoReplacedRows = 0;
+        $ambiguousRows = 0;
+        $missingRows = 0;
+        foreach ($mappedLines as $line) {
+            if (! empty($line['auto_mapped_platform_sku'])) {
+                $autoReplacedRows++;
+            } elseif (($line['platform_mapping_status'] ?? null) === 'ambiguous') {
+                $ambiguousRows++;
+            } elseif (($line['platform_mapping_status'] ?? null) === 'missing') {
+                $missingRows++;
+            }
+        }
+
+        return [
+            'lines' => array_values($mappedLines),
+            'auto_replaced_rows' => $autoReplacedRows,
+            'ambiguous_rows' => $ambiguousRows,
+            'missing_rows' => $missingRows,
+        ];
+    }
+
     private function pendingCodeType(string $code): string
     {
         $code = mb_strtoupper(trim($code));
@@ -532,8 +710,8 @@ class SyncStoreReceiptProductCost extends Command
      *    如果带仓库的行全部是 Cancelled，则整单不参与商品成本；
      * 4) 排除 Cancelled 行，同一订单的多条末级行按「发货仓库 + 商品编码」汇总数量。
      *
-     * @param  list<array{source:string,sku:string,qty:float,amount:float,warehouse:string,o_id:string,parent_o_id:string,row_key:string,status:string,shop_i_id:string,src_combine_sku_id:string}>  $rows
-     * @return list<array{sku:string,qty:float,amount:float,warehouse:string}>
+     * @param  list<array{source:string,sku:string,qty:float,amount:float,warehouse:string,o_id:string,parent_o_id:string,row_key:string,status:string,shop_i_id:string,shop_sku_id:string,properties_value:string,src_combine_sku_id:string}>  $rows
+     * @return list<array{sku:string,qty:float,amount:float,warehouse:string,shop_i_id:string,shop_sku_id:string,properties_value:string}>
      */
     private function costLines(
         array $rows,
@@ -657,10 +835,16 @@ class SyncStoreReceiptProductCost extends Command
         // 8) 汇总到「发货仓库 + 商品编码」。
         $aggregated = [];
         foreach ($unique as $row) {
-            $key = $row['warehouse'] . "\0" . $row['sku'];
+            $isPlatformSku = preg_match('/^\d+$/', (string) $row['sku']) === 1;
+            $key = $row['warehouse']
+                . "\0" . $row['sku']
+                . ($isPlatformSku ? "\0" . ($row['shop_sku_id'] ?? '') : '');
             $aggregated[$key] = [
                 'sku' => $row['sku'],
                 'warehouse' => $row['warehouse'],
+                'shop_i_id' => (string) ($row['shop_i_id'] ?? ''),
+                'shop_sku_id' => (string) ($row['shop_sku_id'] ?? ''),
+                'properties_value' => (string) ($row['properties_value'] ?? ''),
                 'qty' => ($aggregated[$key]['qty'] ?? 0.0) + $row['qty'],
                 'amount' => ($aggregated[$key]['amount'] ?? 0.0) + $row['amount'],
             ];
diff --git a/resources/views/business/pages/financial-operations/product-costs.blade.php b/resources/views/business/pages/financial-operations/product-costs.blade.php
index 97bb5d63..2d6809c9 100644
--- a/resources/views/business/pages/financial-operations/product-costs.blade.php
+++ b/resources/views/business/pages/financial-operations/product-costs.blade.php
@@ -112,6 +112,7 @@
         常州简尚家居有限公司对应映射表里的「配件单仓」行），
         商品单价按「仓库简称 + 商品编码」取「商品月加权平均单价」里的加权平均价；匹配不到时退回「线上代发价格」
         （采购单价优先、其次钉钉代发单价），仍匹配不到时用「普通商品资料」里的商品成本价兜底；商品成本 = 商品数量 × 商品单价。
+        平台数字 SKU 会按平台 SKU ID + 商品 ID 回查历史已拆分订单，仅唯一内部编码自动替换；多候选保持待核验。
         同一订单下已有内部商品编码时，平台数字商品占位行不参与成本；组合装拆分后，组合装主行不参与成本，只取组件行。
         拆单只取最末级订单行（没有任何下级的叶子行），主单和中间汇总层不参与、避免重复计数；
         同一单分多仓发货的按末级实际仓库分行；虚拟条码（X0000x）不计入；
diff --git a/tests/Unit/Business/StoreReceiptPlatformSkuMapperTest.php b/tests/Unit/Business/StoreReceiptPlatformSkuMapperTest.php
new file mode 100644
index 00000000..4f27fb81
--- /dev/null
+++ b/tests/Unit/Business/StoreReceiptPlatformSkuMapperTest.php
@@ -0,0 +1,86 @@
+<?php
+
+namespace Tests\Unit\Business;
+
+use App\Business\StoreReceiptPlatformSkuMapper;
+use PHPUnit\Framework\TestCase;
+
+class StoreReceiptPlatformSkuMapperTest extends TestCase
+{
+    public function test_unique_historical_internal_sku_is_mapped(): void
+    {
+        $mapper = new StoreReceiptPlatformSkuMapper([
+            $this->row('958530694526', '3768947181063635112', '3768947181063635112'),
+            $this->row('SG006367N1028V01', 'SG0063', '3768947181063635112'),
+            $this->row('SG006367N1028V01', 'SG0063', '3768947181063635112'),
+        ]);
+
+        $result = $mapper->resolve('3533103677164802', '3768947181063635112');
+
+        $this->assertSame('unique', $result['status']);
+        $this->assertSame('SG006367N1028V01', $result['internal_sku']);
+        $this->assertSame(2, $result['history_rows']);
+        $this->assertSame(['经典北美黑胡桃色'], $result['internal_properties']);
+    }
+
+    public function test_multiple_internal_skus_remain_ambiguous(): void
+    {
+        $mapper = new StoreReceiptPlatformSkuMapper([
+            $this->row('SG001', 'SGSTYLE1', '3768947181063635112'),
+            $this->row('SG002', 'SGSTYLE2', '3768947181063635112'),
+        ]);
+
+        $result = $mapper->resolve('3533103677164802', '3768947181063635112');
+
+        $this->assertSame('ambiguous', $result['status']);
+        $this->assertNull($result['internal_sku']);
+        $this->assertSame(['SG001', 'SG002'], $result['candidates']);
+    }
+
+    public function test_missing_history_stays_unmapped(): void
+    {
+        $mapper = new StoreReceiptPlatformSkuMapper([
+            $this->row('958530694526', '3768947181063635112', '3768947181063635112'),
+        ]);
+
+        $result = $mapper->resolve('3533103677164802', '3768947181063635112');
+
+        $this->assertSame('missing', $result['status']);
+        $this->assertNull($result['internal_sku']);
+        $this->assertSame([], $result['candidates']);
+    }
+
+    public function test_mapping_requires_the_same_platform_spec_id(): void
+    {
+        $mapper = new StoreReceiptPlatformSkuMapper([
+            $this->row(
+                'SG006367N1028V01',
+                'SG0063',
+                '3768947181063635112',
+                '3533103677164802',
+            ),
+        ]);
+
+        $result = $mapper->resolve('3533103677164999', '3768947181063635112');
+
+        $this->assertSame('missing', $result['status']);
+        $this->assertNull($result['internal_sku']);
+    }
+
+    /** @return array<string,string> */
+    private function row(
+        string $skuId,
+        string $itemId,
+        string $shopItemId,
+        string $shopSkuId = '3533103677164802',
+    ): array
+    {
+        return [
+            'shop_sku_id' => $shopSkuId,
+            'shop_i_id' => $shopItemId,
+            'sku_id' => $skuId,
+            'i_id' => $itemId,
+            'properties_value' => $itemId === 'SG0063' ? '经典北美黑胡桃色' : '',
+        ];
+    }
+}
diff --git a/tests/Unit/StoreReceiptProductCostLineTest.php b/tests/Unit/StoreReceiptProductCostLineTest.php
index c530064f..d69774fe 100644
--- a/tests/Unit/StoreReceiptProductCostLineTest.php
+++ b/tests/Unit/StoreReceiptProductCostLineTest.php
@@ -2,6 +2,7 @@
 
 namespace Tests\Unit;
 
+use App\Business\StoreReceiptPlatformSkuMapper;
 use App\Console\Commands\SyncStoreReceiptProductCost;
 use PHPUnit\Framework\TestCase;
 use ReflectionMethod;
@@ -41,6 +42,37 @@ class StoreReceiptProductCostLineTest extends TestCase
         $this->assertSame(2.0, $lines[0]['qty']);
     }
 
+    public function test_unique_platform_sku_is_replaced_after_line_filtering(): void
+    {
+        [$lines] = $this->costLines([
+            $this->row(
+                'platform',
+                '958530694526',
+                '3768947181063635112',
+                1,
+                93.25,
+            ),
+        ]);
+        $mapper = new StoreReceiptPlatformSkuMapper([
+            [
+                'shop_sku_id' => '3533103677164802',
+                'shop_i_id' => '3768947181063635112',
+                'sku_id' => 'SG006367N1028V01',
+                'i_id' => 'SG0063',
+                'properties_value' => '经典北美黑胡桃色',
+            ],
+        ]);
+        $command = new SyncStoreReceiptProductCost();
+        $method = new ReflectionMethod($command, 'mapPlatformSkus');
+        $method->setAccessible(true);
+        $result = $method->invoke($command, $lines, $mapper);
+
+        $this->assertSame(1, $result['auto_replaced_rows']);
+        $this->assertSame('SG006367N1028V01', $result['lines'][0]['sku']);
+        $this->assertSame('958530694526', $result['lines'][0]['original_platform_sku']);
+        $this->assertSame('unique', $result['lines'][0]['platform_mapping_status']);
+    }
+
     /** @return array{0:list<array<string,mixed>>,1:int,2:int} */
     private function costLines(array $rows): array
     {
@@ -74,6 +106,8 @@ class StoreReceiptProductCostLineTest extends TestCase
             'row_key' => $rowKey,
             'status' => 'Sent',
             'shop_i_id' => $shopItemId,
+            'shop_sku_id' => '3533103677164802',
+            'properties_value' => '颜色分类:六格-90*30*75cm-木纹胡桃色?赠送后背板',
             'src_combine_sku_id' => $bundleParent,
         ];
     }