diff --git a/upload/source/module/misc/misc_initsys.php b/upload/source/module/misc/misc_initsys.php
index 3c7a296..a8436b7 100644
--- a/upload/source/module/misc/misc_initsys.php
+++ b/upload/source/module/misc/misc_initsys.php
@@ -11,10 +11,13 @@ if(!defined('IN_DISCUZ')) {
 	exit('Access Denied');
 }
 
-if(file_exists(DISCUZ_ROOT.'./data/install.lock')) {
-	exit('Access Denied');
+if(file_exists(DISCUZ_ROOT.'./data/install.lock') || file_exists(DISCUZ_ROOT.'./data/update.lock')) {
+    exit('Access Denied');
 }
 
+@touch(DISCUZ_ROOT.'./data/install.lock');
+@touch(DISCUZ_ROOT.'./data/update.lock');
+
 if(!($_G['adminid'] == 1 && $_GET['formhash'] == formhash()) && $_G['setting']) {
 	exit('Access Denied');
 }