diff --git a/app/Exports/GoodsSkusExport.php b/app/Exports/GoodsSkusExport.php
index 6060b09..9ad2b68 100644
--- a/app/Exports/GoodsSkusExport.php
+++ b/app/Exports/GoodsSkusExport.php
@@ -3,6 +3,7 @@
 namespace App\Exports;
 
 use App\Models\Log;
+use App\Utils\DateTimeUtils;
 use Maatwebsite\Excel\Concerns\FromCollection;
 use Maatwebsite\Excel\Concerns\ShouldAutoSize;
 use App\Models\GoodsSku;
@@ -20,8 +21,8 @@ class GoodsSkusExport implements FromCollection, ShouldAutoSize
     }
 
     /**
-    * @return \Illuminate\Support\Collection
-    */
+     * @return \Illuminate\Support\Collection
+     */
     public function collection()
     {
         return new Collection($this->data);
@@ -36,24 +37,47 @@ class GoodsSkusExport implements FromCollection, ShouldAutoSize
             '商品品牌',
             '规格编码',
             '规格名称',
-            '成本',
-            '库存',
         ];
-        $inventoryTime = strtotime(date('Y-m-d 07:00:00'));
-        $ids = Log::query()->where('target_type', 'goods_sku')
+        $map = [
+            'cost' => ['成本', '更新前成本', '更新后成本'],
+            'inventory' => ['库存', '盘点'],
+        ];
+        $headTitle = array_merge($headTitle, $map[$this->type]);
+        $day = DateTimeUtils::getToday();
+        $update = [];
+        $logs = Log::query()
+            ->select(['target_id', 'before_update', 'after_update'])
+            ->where('target_type', 'goods_sku')
             ->where('target_field', $this->type)
-            ->where('created_at', '>', $inventoryTime)
-            ->pluck('target_id')
-            ->toArray();
-        $data = GoodsSku::query()
+            ->where('created_at', '>', $day)
+            ->orderBy('id', 'asc')
+            ->get();
+        foreach ($logs as $log) {
+            if ($log['before_update'] != $log['after_update']) {
+                if (!isset($update[$log['target_id']])) {
+                    $update[$log['target_id']]['before_update'] = $log['before_update'];
+                }
+                $update[$log['target_id']]['after_update'] = $log['after_update'];
+            }
+        }
+        $ids = array_keys($update);
+        if (empty($ids)) {
+            return [$headTitle];
+        }
+        $model = GoodsSku::query()
             ->when($ids, function ($query, $ids) {
                 return $query->whereIn('id', $ids);
             })
             ->with(['goods' => function ($query) {
                 $query->with(['type:id,name', 'brand:id,name']);
-            }])
-            ->get()
-            ->toArray();
+            }]);
+        if ('inventory' === $this->type) {
+            $model->where('stock', '<>', 0);
+            $model->with(['daily' => function ($query) use ($day) {
+                $query->where('day', $day);
+            }]);
+        }
+        $data = $model->get()->toArray();
         if (empty($data)) {
             return [$headTitle];
         }
@@ -65,8 +89,15 @@ class GoodsSkusExport implements FromCollection, ShouldAutoSize
             $arr[3] = $item['goods']['brand']['name'];
             $arr[4] = $item['sku_code'];
             $arr[5] = $item['title'];
-            $arr[6] = $item['cost'];
-            $arr[7] = $item['stock'];
+            if ('cost' === $this->type) {
+                $arr[6] = $item['cost'];
+                $arr[7] = $update[$item['id']]['before_update'];
+                $arr[8] = $update[$item['id']]['after_update'];
+            }
+            if ('inventory' === $this->type) {
+                $arr[6] = $item['stock'];
+                $arr[7] = $item['daily']['inventory'];
+            }
             $bodyData[] = $arr;
         }
         unset($arr);