edit

app/shop/lib/Sell.php

@@ -167,6 +167,9 @@ class Sell
         if (!$info['refund_cash']) {
             $info['refund_cash'] = 0;
         }
+        if (!$info['ps_cash']) {
+            $info['ps_cash'] = 0;
+        }
 
         if ($this->type == 1) {
             if ($info['status'] == 2) {