diff --git a/application/admin/model/shopro/order/Order.php b/application/admin/model/shopro/order/Order.php
index 5d1cc22..fc3edd7 100644
--- a/application/admin/model/shopro/order/Order.php
+++ b/application/admin/model/shopro/order/Order.php
@@ -122,7 +122,11 @@ class Order extends Common
 
     public function getExtAttr($value, $data)
     {
-        $ext = (isset($data['ext']) && $data['ext']) ? json_decode($data['ext'], true) : [];
+        $raw = $data['ext'] ?? $value;
+        $ext = is_array($raw) ? $raw : (json_decode($raw ?? '', true) ?: []);
+        if (!is_array($ext)) {
+            $ext = [];
+        }
 
         // 每类活动优惠金额聚合（可能订单购买多个商品，然后同时参与了两种满减，金额累加）
         $ext['promo_discounts'] = [