命令行-修复拉取微唯宝商品逻辑

app/command/WiwibaoProductSync.php

@@ -441,7 +441,7 @@ class WiwibaoProductSync extends Command
                     foreach ($skus as $sku) {
                         $edit_price = bcadd(
                             $sku['price'],
-                            $priceChanged['sku_difference_map'][$sku['gong_sku_id']] ?? ($priceChanged['spu_difference'] ?? '0.00'),
+                            (string)$priceChanged['sku_difference_map'][$sku['gong_sku_id']] ?? ($priceChanged['spu_difference'] ?? '0.00'),
                             2
                         );
                         Log::info('商品价格变动：' . json_encode([