diff --git a/plugin/webman/gateway/Events.php b/plugin/webman/gateway/Events.php
index 57198b0..cff2fed 100644
--- a/plugin/webman/gateway/Events.php
+++ b/plugin/webman/gateway/Events.php
@@ -256,7 +256,7 @@ class Events
                 ->fieldRaw('r.cons_info_id AS consId, SUM(r.surplus_stock * ' . $message['number'] . ') AS quantity, cons.stock_number AS current_quantity')
                 ->group('r.cons_info_id')
                 ->select()->toArray();
-            if($tb_prod_cons[0]['quantity'] > $tb_prod_cons[0]['current_quantity']) {
+            if(!empty($tb_prod_cons[0]) && $tb_prod_cons[0]['quantity'] > $tb_prod_cons[0]['current_quantity']) {
                 $snd_data = [
                     'msg' => '此商品库存不足',
                     'operate_type' => $message['operate_type'],