diff --git a/beike/Shop/Services/TotalService.php b/beike/Shop/Services/TotalService.php
index adaefe72..c6501b92 100644
--- a/beike/Shop/Services/TotalService.php
+++ b/beike/Shop/Services/TotalService.php
@@ -11,10 +11,14 @@
 
 namespace Beike\Shop\Services;
 
+use \Beike\Shop\Services\TotalServices;
+use Illuminate\Support\Str;
+
 class TotalService
 {
     const TOTAL_CODES = [
         'subtotal',
+        'tax',
         'shipping',
         'total'
     ];
@@ -26,11 +30,11 @@ class TotalService
     {
         $totals = [];
         foreach (self::TOTAL_CODES as $code) {
-            $totals[] = 11;
+            $serviceName = Str::studly($code);
+            $service = "TotalServices\{$serviceName}";
+            $totals[] = $service::getTotal();
         }
 
-        // hook= [subtotal, shipping]
-
-        return [];
+        return $totals;
     }
 }
diff --git a/beike/Shop/Services/TotalServices/ShippingService.php b/beike/Shop/Services/TotalServices/ShippingService.php
index 97571689..6945b240 100644
--- a/beike/Shop/Services/TotalServices/ShippingService.php
+++ b/beike/Shop/Services/TotalServices/ShippingService.php
@@ -9,7 +9,13 @@
  * @created    2022-07-22 17:58:14
  * @modified   2022-07-22 17:58:14
  */
+
+namespace Beike\Shop\Services\TotalServices;
+
 class ShippingService
 {
+    public static function getTotal()
+    {
 
+    }
 }
diff --git a/beike/Shop/Services/TotalServices/SubtotalService.php b/beike/Shop/Services/TotalServices/SubtotalService.php
index d85b604f..bfa36841 100644
--- a/beike/Shop/Services/TotalServices/SubtotalService.php
+++ b/beike/Shop/Services/TotalServices/SubtotalService.php
@@ -9,7 +9,13 @@
  * @created    2022-07-22 17:58:25
  * @modified   2022-07-22 17:58:25
  */
+
+namespace Beike\Shop\Services\TotalServices;
+
 class SubtotalService
 {
+    public static function getTotal()
+    {
 
+    }
 }
diff --git a/beike/Shop/Services/TotalServices/TaxService.php b/beike/Shop/Services/TotalServices/TaxService.php
new file mode 100644
index 00000000..b8e1e9f6
--- /dev/null
+++ b/beike/Shop/Services/TotalServices/TaxService.php
@@ -0,0 +1,21 @@
+<?php
+
+/**
+ * TaxService.php
+ *
+ * @copyright  2022 opencart.cn - All Rights Reserved
+ * @link       http://www.guangdawangluo.com
+ * @author     Edward Yang <yangjin@opencart.cn>
+ * @created    2022-07-27 14:24:05
+ * @modified   2022-07-27 14:24:05
+ */
+
+namespace Beike\Shop\Services\TotalServices;
+
+class TaxService
+{
+    public static function getTotal()
+    {
+
+    }
+}