From 2c545e7ef19be5359d608ec8d385f29ebabeb5d7 Mon Sep 17 00:00:00 2001
From: wangyidong <yidong@cnezsoft.com>
Date: Tue, 16 Jan 2018 16:28:19 +0800
Subject: [PATCH]  * fix bug #1382.

---
 module/tree/model.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/module/tree/model.php b/module/tree/model.php
index 135d36b7bc..accd40cb20 100644
--- a/module/tree/model.php
+++ b/module/tree/model.php
@@ -511,8 +511,8 @@ class treeModel extends model
         {
             $productInfo  = $this->product->getById($id);
             /* tree menu. */
-            $productTree = '';
-            $branchTrees = '';
+            $productTree = array();
+            $branchTrees = array();
             if(empty($branchGroups[$id])) $branchGroups[$id]['0'] = '';
             foreach($branchGroups[$id] as $branch => $branchName)
             {