diff --git a/beike/Shop/Services/CartService.php b/beike/Shop/Services/CartService.php
index ce6e6a01..dd7e7965 100644
--- a/beike/Shop/Services/CartService.php
+++ b/beike/Shop/Services/CartService.php
@@ -145,13 +145,14 @@ class CartService
         $selected = collect($carts)->where('selected', 1);
         $quantity = $selected->sum('quantity');
         $amount = $selected->sum('subtotal');
+        $totalService = new TotalService($carts);
 
         $data = [
             'carts' => $carts,
             'quantity' => $quantity,
             'amount' => $amount,
             'amount_format' => currency_format($amount),
-            'totals' => TotalService::getTotals(),
+            'totals' => $totalService->getTotals(),
         ];
         return $data;
     }
diff --git a/beike/Shop/Services/TotalService.php b/beike/Shop/Services/TotalService.php
index c6501b92..d282916d 100644
--- a/beike/Shop/Services/TotalService.php
+++ b/beike/Shop/Services/TotalService.php
@@ -11,7 +11,6 @@
 
 namespace Beike\Shop\Services;
 
-use \Beike\Shop\Services\TotalServices;
 use Illuminate\Support\Str;
 
 class TotalService
@@ -23,16 +22,27 @@ class TotalService
         'total'
     ];
 
+    public array $carts;
+    public array $totals;
+
+    public function __construct($carts)
+    {
+        $this->carts = $carts;
+    }
+
     /**
      * @return array
      */
-    public static function getTotals(): array
+    public function getTotals(): array
     {
         $totals = [];
         foreach (self::TOTAL_CODES as $code) {
-            $serviceName = Str::studly($code);
-            $service = "TotalServices\{$serviceName}";
-            $totals[] = $service::getTotal();
+            $serviceName = Str::studly($code) . 'Service';
+            $service = "\Beike\\Shop\\Services\\TotalServices\\{$serviceName}";
+            if (!class_exists($service) || !method_exists($service, 'getTotal')) {
+                continue;
+            }
+            $this->totals[] = $service::getTotal($this);
         }
 
         return $totals;
diff --git a/beike/Shop/Services/TotalServices/SubtotalService.php b/beike/Shop/Services/TotalServices/SubtotalService.php
index bfa36841..c3d400dc 100644
--- a/beike/Shop/Services/TotalServices/SubtotalService.php
+++ b/beike/Shop/Services/TotalServices/SubtotalService.php
@@ -14,8 +14,12 @@ namespace Beike\Shop\Services\TotalServices;
 
 class SubtotalService
 {
-    public static function getTotal()
+    public static function getTotal($totalService)
     {
-
+        $carts = $totalService->carts;
+        return [
+            'code' => 'sub_total',
+            'value' => collect($carts)->sum('total')
+        ];
     }
 }