diff --git a/modules/EcommerceFinance/Repositories/AfterSalesCostRowRepository.php b/modules/EcommerceFinance/Repositories/AfterSalesCostRowRepository.php
index 019131a1..57fa7358 100644
--- a/modules/EcommerceFinance/Repositories/AfterSalesCostRowRepository.php
+++ b/modules/EcommerceFinance/Repositories/AfterSalesCostRowRepository.php
@@ -81,16 +81,10 @@ class AfterSalesCostRowRepository
      */
     public static function toRecord(array $payload, ?string $importedAt = null): array
     {
-        $rowKey = sha1(implode('|', [
-            (string) ($payload['shop_name'] ?? ''),
-            (string) ($payload['online_order_no'] ?? ''),
-            (string) ($payload['internal_order_no'] ?? ''),
-            (string) ($payload['sub_order_no'] ?? ''),
-            (string) ($payload['after_sales_no'] ?? ''),
-            (string) ($payload['product_code'] ?? ''),
-            (string) ($payload['product_quantity'] ?? ''),
-            (string) ($payload['product_amount'] ?? ''),
-        ]));
+        // 以整行内容做键：同一单同一商品可能出现多行，只有完全相同的一行才合并。
+        ksort($payload);
+
+        $rowKey = sha1((string) json_encode($payload, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES));
 
         $now = $importedAt ?? now()->toDateTimeString();