..

app/Http/Controllers/Api/InventoryController.php

@@ -77,9 +77,7 @@ class InventoryController extends Controller
             ],
             [
                 'name' => '退款额(k)',
-                'data' => [
-                    $refund_amount/1000
-                ],
+                "value" => $refund_amount/1000,
                 "type"  => "float",
             ],
         ];