diff --git a/app/Http/Controllers/CartController.php b/app/Http/Controllers/CartController.php
index ed51bbc3..21d418e7 100644
--- a/app/Http/Controllers/CartController.php
+++ b/app/Http/Controllers/CartController.php
@@ -122,6 +122,18 @@ class CartController extends Controller
 
     public function addToCart(Request $request)
     {
+        $lelong_bid = LelongBid::find($request->lelongbid_id, ['id', 'hargaasas']);
+
+        $beza_harga = $request->hargabida - $lelong_bid->hargaasas;
+
+        if($beza_harga < 1) {
+            return response()->json([
+                'success' => 'gagal',
+                'status' => 9,
+                'message' => 'Harga bida kurang daripada harga asas.'
+            ]);
+        }
+
         $item = new Cart;
         $item->user_id = $request->user_id;
         $item->lelongbid_id = $request->lelongbid_id;
@@ -168,6 +180,18 @@ class CartController extends Controller
             ->where('lelongbid_id', $request->lelongBidId)
             ->first();
 
+        $lelong_bid = LelongBid::find($request->lelongBidId, ['id', 'hargaasas']);
+
+        $beza_harga = $request->hargabida - $lelong_bid->hargaasas;
+
+        if($beza_harga < 1) {
+            return response()->json([
+                'success' => 'gagal',
+                'status' => 9,
+                'message' => 'Harga bida kurang daripada harga asas.'
+            ]);
+        }
+
         $cart->hargabida = $request->hargabida;
         if ($cart->save()) {
             return response()->json([