diff --git a/app/Http/Controllers/CartController.php b/app/Http/Controllers/CartController.php
index 21d418e7..be3c9d0d 100644
--- a/app/Http/Controllers/CartController.php
+++ b/app/Http/Controllers/CartController.php
@@ -134,6 +134,15 @@ class CartController extends Controller
             ]);
         }
 
+        $check_exist = Cart::where('lelongbid_id', $request->lelongbid_id)->where('user_id', $request->user_id)->exists();
+        if($check_exist == true) {
+            return response()->json([
+                'success' => 'gagal_tambah_ke_troli',
+                'status' => 8,
+                'message' => 'SAG telah berada di dalam troli!'
+            ]);
+        }
+
         $item = new Cart;
         $item->user_id = $request->user_id;
         $item->lelongbid_id = $request->lelongbid_id;