edit

app/shop/database/info.php

@@ -31,8 +31,10 @@ $act = function()
     if ($coupon) {
         foreach ($coupon as $k => $v) {
             $coupon_info = Dever::db('goods/coupon')->find($v['coupon_id']);
-            $prefix = '（'.Dever::db('goods/coupon')->config['method'][$coupon_info['method']].'）';
-            $coupon[$k]['name'] = $prefix . $coupon_info['name'];
+            if (isset($coupon_info['method'])) {
+                $prefix = '（'.Dever::db('goods/coupon')->config['method'][$coupon_info['method']].'）';
+                $coupon[$k]['name'] = $prefix . $coupon_info['name'];
+            }
         }
     }
     foreach ($info as $k => $v) {