diff --git a/application/admin/controller/Ajax.php b/application/admin/controller/Ajax.php
index 828e228d2d8eb97229e1ec4cf9af2fe713935747..f48fcdc59b6dbc6161193fafd09bce1bc8ef668e 100644
--- a/application/admin/controller/Ajax.php
+++ b/application/admin/controller/Ajax.php
@@ -152,7 +152,7 @@ class Ajax extends Backend
         $orderway = $orderway == 'asc' ? 'ASC' : 'DESC';
         $sour = $weighdata = [];
         $ids = explode(',', $ids);
-        $prikey = 'id';
+        $prikey = Db::name($table)->getPk()?:'id';
         $pid = $this->request->post("pid");
         //限制更新的字段
         $field = in_array($field, ['weigh']) ? $field : 'weigh';
@@ -160,9 +160,9 @@ class Ajax extends Backend
         // 如果设定了pid的值,此时只匹配满足条件的ID,其它忽略
         if ($pid !== '') {
             $hasids = [];
-            $list = Db::name($table)->where($prikey, 'in', $ids)->where('pid', 'in', $pid)->field('id,pid')->select();
+            $list = Db::name($table)->where($prikey, 'in', $ids)->where('pid', 'in', $pid)->field("$prikey,pid")->select();
             foreach ($list as $k => $v) {
-                $hasids[] = $v['id'];
+                $hasids[] = $v[$prikey];
             }
             $ids = array_values(array_intersect($ids, $hasids));
         }