diff --git a/application/admin/controller/auth/Admin.php b/application/admin/controller/auth/Admin.php
index aee9c13abe2d233a03b32b7ff237a325748002dc..ff73d0205d890af5f5ed593af4a23e182828302a 100644
--- a/application/admin/controller/auth/Admin.php
+++ b/application/admin/controller/auth/Admin.php
@@ -48,6 +48,15 @@ class Admin extends Backend
         } else {
             $result = [];
             $groups = $this->auth->getGroups();
+            $groupIds = [];
+            foreach ($groups as $k => $v) {
+                $groupIds[] = $v['id'];
+            }
+            foreach ($groups as $k => $v) {
+                if (in_array($v['pid'], $groupIds)) {
+                    unset($groups[$k]);
+                }
+            }
             foreach ($groups as $m => $n) {
                 $childlist = Tree::instance()->getTreeList(Tree::instance()->getTreeArray($n['id']));
                 $temp = [];