* fix for xuanxuan.

xuanxuan/module/im/ext/model/xuanxuan.php

@@ -18,3 +18,13 @@ public function uploadFile($fileName, $path, $size, $time, $userID, $users, $cha
 {
     return $this->loadExtension('xuanxuan')->uploadFile($fileName, $path, $size, $time, $userID, $users, $chat);
 }
+
+public function chatAddAction($chatId = '', $action = '', $actorId = '', $result = '', $comment = '')
+{
+    return;
+}
+
+public function userAddAction($chatId = '', $action = '', $actorId = '', $result = '', $comment = '')
+{
+    return;
+}

xuanxuan/module/tree/ext/model/xuanxuan.php

@@ -0,0 +1,15 @@
+<?php
+public function getFamily($categoryID, $type = '', $root = 0)
+{
+    if($categoryID == 0 and empty($type)) return array();
+    $category = $this->getById($categoryID);
+
+    if($category)
+    {
+        return $this->dao->select('id')->from(TABLE_MODULE)->where('deleted')->eq('0')->andWhere('path')->like($category->path . '%')->fetchPairs();
+    }
+    if(!$category)
+    {
+        return $this->dao->select('id')->from(TABLE_MODULE)->where('deleted')->eq('0')->andWhere('type')->eq($type)->beginIF($root)->andWhere('root')->eq((int)$root)->fi()->fetchPairs();
+    }
+}