diff --git a/app/Admin/Controllers/BargainActivityController.php b/app/Admin/Controllers/BargainActivityController.php
index f59eddd1..a11f2bd8 100644
--- a/app/Admin/Controllers/BargainActivityController.php
+++ b/app/Admin/Controllers/BargainActivityController.php
@@ -130,7 +130,7 @@ class BargainActivityController extends AdminController
             $form->block(6, function (Form\BlockForm $form) {
                 $form->text('name')->required();
                 $form->switch('is_enable');
-                $form->dateRange('start_at', 'end_at', '活动时间')->required();
+                $form->datetimeRange('start_at', 'end_at', '活动时间')->required();
                 $form->multipleSelectTable('skus')
                     ->from(ProductSkuSimpleTable::make())
                     ->model(ProductSku::class, 'id', 'name')
diff --git a/app/Admin/Controllers/OrderController.php b/app/Admin/Controllers/OrderController.php
index 477bbcd9..118ffd03 100644
--- a/app/Admin/Controllers/OrderController.php
+++ b/app/Admin/Controllers/OrderController.php
@@ -281,6 +281,9 @@ class OrderController extends AdminController
                         $show->field('reduced_amount')->as(function ($v) {
                             return bcdiv($v, 100, 2);
                         })->prepend('- ￥');
+                        $show->field('bargain_amount')->as(function ($v) {
+                            return bcdiv($v, 100, 2);
+                        })->prepend('- ￥');
                         $show->field('total_amount')->as(function ($v) {
                             return bcdiv($v, 100, 2);
                         })->prepend('￥');
diff --git a/app/Endpoint/Api/Http/Controllers/BargainController.php b/app/Endpoint/Api/Http/Controllers/BargainController.php
index bb84b9cb..19e5e74d 100644
--- a/app/Endpoint/Api/Http/Controllers/BargainController.php
+++ b/app/Endpoint/Api/Http/Controllers/BargainController.php
@@ -130,6 +130,7 @@ class BargainController extends Controller
                 'user_id'=> $request->user()->id,
             ])->where('status', '>', 0)
             ->where('expire_at', '>', now())
+            ->whereNull('order_id')
             ->orderBy('created_at', 'desc')->first();
 
         if (!$order) {
@@ -207,7 +208,7 @@ class BargainController extends Controller
             }
 
             //砍价超时
-            if ($bargainOrder->expire_at > now()) {
+            if ($bargainOrder->expire_at < now()) {
                 throw new BizException('当前砍价已结束，无法下单');
             }
 
diff --git a/app/Endpoint/Api/Http/Resources/OrderResource.php b/app/Endpoint/Api/Http/Resources/OrderResource.php
index 8f18d737..42da778e 100644
--- a/app/Endpoint/Api/Http/Resources/OrderResource.php
+++ b/app/Endpoint/Api/Http/Resources/OrderResource.php
@@ -27,6 +27,7 @@ class OrderResource extends JsonResource
             'coupon_discount_amount' => $this->coupon_discount_amount_format,
             'vip_discount_amount' => $this->vip_discount_amount_format,
             'reduced_amount' => $this->reduced_amount_format,
+            'bargain_amount' => $this->bargain_amount_format,
             'shipping_fee' => $this->shipping_fee_format,
             'products_total_amount' => $this->products_total_amount_format,
             'total_amount' => $this->total_amount_format,
diff --git a/app/Services/BargainService.php b/app/Services/BargainService.php
index 19ba02fe..4dbcc562 100644
--- a/app/Services/BargainService.php
+++ b/app/Services/BargainService.php
@@ -13,7 +13,7 @@ use Illuminate\Support\Arr;
 class BargainService
 {
     /**
-     * 创建砍价单-todo
+     * 创建砍价单
      *
      * @param User $user
      * @param ProductSku $productSku
@@ -68,7 +68,7 @@ class BargainService
         }
 
         //砍价超时
-        if ($order->expire_at > now()) {
+        if ($order->expire_at < now()) {
             throw new BizException('当前砍价已结束，无法再砍');
         }
 
diff --git a/app/Services/OrderService.php b/app/Services/OrderService.php
index 7edea3a3..1ea130cb 100644
--- a/app/Services/OrderService.php
+++ b/app/Services/OrderService.php
@@ -193,7 +193,7 @@ class OrderService
         ?UserCoupon $coupon = null,
         ?BargainOrder $bargainOrder = null,
     ): Order {
-        // 订单支付金额=商品总额-券折扣金额-会员折扣金额+邮费
+        // 订单支付金额=商品总额-券折扣金额-会员折扣金额+邮费-砍价金额
         $totalAmount = $productsTotalAmount - $couponDiscountAmount - $vipDiscountAmount;
 
         //如果有砍价优惠
diff --git a/resources/lang/zh_CN/order.php b/resources/lang/zh_CN/order.php
index ed1374ac..d1da761c 100644
--- a/resources/lang/zh_CN/order.php
+++ b/resources/lang/zh_CN/order.php
@@ -20,6 +20,7 @@ return [
         'coupon_discount_amount' => '优惠券金额',
         'vip_discount_amount' => '会员优惠',
         'reduced_amount' => '减免金额',
+        'bargain_amount' => '砍价金额',
         'shipping_fee' => '运费',
         'products_total_amount' => '商品总额',
         'total_amount' => '订单总额',