diff --git a/beike/Shop/Services/TotalService.php b/beike/Shop/Services/TotalService.php
index c03236aa..84b6c834 100644
--- a/beike/Shop/Services/TotalService.php
+++ b/beike/Shop/Services/TotalService.php
@@ -21,6 +21,7 @@ class TotalService
         'subtotal',
         'tax',
         'shipping',
+        'customer_discount',
         'order_total',
     ];
 
diff --git a/beike/Shop/Services/TotalServices/CustomerDiscountService.php b/beike/Shop/Services/TotalServices/CustomerDiscountService.php
new file mode 100644
index 00000000..e32134a5
--- /dev/null
+++ b/beike/Shop/Services/TotalServices/CustomerDiscountService.php
@@ -0,0 +1,47 @@
+<?php
+/**
+ * CustomerDiscountService.php
+ *
+ * @copyright  2023 beikeshop.com - All Rights Reserved
+ * @link       https://beikeshop.com
+ * @author     TL <mengwb@guangda.work>
+ * @created    2023-02-07 18:49:15
+ * @modified   2023-02-07 18:49:15
+ */
+
+namespace Beike\Shop\Services\TotalServices;
+
+use Beike\Shop\Services\CheckoutService;
+
+class CustomerDiscountService
+{
+    /**
+     * @param CheckoutService $checkout
+     * @return array
+     */
+    public static function getTotal(CheckoutService $checkout)
+    {
+        $totalService = $checkout->totalService;
+
+        $discountFactor = current_customer()->customerGroup->discount_factor;
+        if ($discountFactor <= 0) {
+            return;
+        }
+        if ($discountFactor > 1) {
+            $discountFactor = 1;
+        }
+        $amount       = $totalService->getSubTotal() * $discountFactor / 100;
+
+        $totalData    = [
+            'code'          => 'customer_discount',
+            'title'         => trans('shop/carts.customer_discount'),
+            'amount'        => -$amount,
+            'amount_format' => currency_format(-$amount),
+        ];
+
+        $totalService->amount += $totalData['amount'];
+        $totalService->totals[] = $totalData;
+
+        return $totalData;
+    }
+}
diff --git a/resources/beike/admin/views/pages/customer_groups/index.blade.php b/resources/beike/admin/views/pages/customer_groups/index.blade.php
index 20ba15e9..1872fa56 100644
--- a/resources/beike/admin/views/pages/customer_groups/index.blade.php
+++ b/resources/beike/admin/views/pages/customer_groups/index.blade.php
@@ -62,6 +62,12 @@
           </el-form-item>
         </el-form-item>
 
+        <el-form-item label="{{ __('admin/customer_group.discount_rate') }}">
+          <el-input class="mb-0" type="number" v-model="dialog.form.discount_factor" placeholder="{{ __('admin/customer_group.discount_rate') }}">
+            <template slot="append">%</template>
+          </el-input>
+        </el-form-item>
+
         @if (0)
         <el-form-item label="{{ __('customer_group.level') }}">
           <el-input class="mb-0" v-model="dialog.form.level" placeholder="{{ __('customer_group.level') }}"></el-input>
diff --git a/resources/lang/en/shop/carts.php b/resources/lang/en/shop/carts.php
index ca7bc4f1..097e17d2 100644
--- a/resources/lang/en/shop/carts.php
+++ b/resources/lang/en/shop/carts.php
@@ -17,6 +17,7 @@ return [
     'quantity'                 => 'Quantity',
     'subtotal'                 => 'Subtotal',
     'product_total'            => 'Product Total',
+    'customer_discount'        => 'Customer Discount',
     'order_total'              => 'Order Total',
     'shipping_fee'             => 'Shipping Fee',
     'all'                      => 'All',
diff --git a/resources/lang/zh_cn/shop/carts.php b/resources/lang/zh_cn/shop/carts.php
index 6d6b8afa..df517dc2 100644
--- a/resources/lang/zh_cn/shop/carts.php
+++ b/resources/lang/zh_cn/shop/carts.php
@@ -17,6 +17,7 @@ return [
     'quantity'                 => '数量',
     'subtotal'                 => '小计',
     'product_total'            => '商品总计',
+    'customer_discount'        => '会员优惠',
     'order_total'              => '应付总金额',
     'shipping_fee'             => '运费',
     'all'                      => '全部',