diff --git a/app/api/controller/IndexController.php b/app/api/controller/IndexController.php
index 250a8d0a4..defda52d1 100644
--- a/app/api/controller/IndexController.php
+++ b/app/api/controller/IndexController.php
@@ -286,6 +286,7 @@ class IndexController extends BaseApiController
     {
         $data = $this->request->post();
         if ($data) {
+            $data=json_decode($data,true);
             if ($data['product_id'] > 0) {
                 $find = Db::name('wps_product')->where('product_id', $data['product_id'])->find();
                 $arr = [];