diff --git a/config.ini b/config.ini
index 134c9ae..c7768ec 100644
--- a/config.ini
+++ b/config.ini
@@ -2,7 +2,7 @@
 id="28"
 type="module"
 name="faq"
-version="4.0.29"
+version="4.1.00"
 
 [author]
 name="VINADES.,JSC"
diff --git a/modules/faq/funcs/sitemap.php b/modules/faq/funcs/sitemap.php
index dcc5baa..8341a5e 100644
--- a/modules/faq/funcs/sitemap.php
+++ b/modules/faq/funcs/sitemap.php
@@ -15,9 +15,9 @@
 
 $url = array();
 $cacheFile = NV_LANG_DATA . '_Sitemap.cache';
-$pa = NV_CURRENTTIME - 7200;
+$cacheTTL = 7200;
 
-if (($cache = $nv_Cache->getItem($module_name, $cacheFile)) != false and filemtime(NV_ROOTDIR . '/' . NV_CACHEDIR . '/' . $module_name . '/' . $cacheFile) >= $pa) {
+if (($cache = $nv_Cache->getItem($module_name, $cacheFile, $cacheTTL)) != false) {
     $url = unserialize($cache);
 } else {
     $list_cats = nv_list_cats();
@@ -37,7 +37,7 @@
     }
     
     $cache = serialize($url);
-    $nv_Cache->setItem($module_name, $cacheFile, $cache);
+    $nv_Cache->setItem($module_name, $cacheFile, $cache, $cacheTTL);
 }
 
 nv_xmlSitemap_generate($url);
diff --git a/modules/faq/version.php b/modules/faq/version.php
index 720d80b..ff83eae 100644
--- a/modules/faq/version.php
+++ b/modules/faq/version.php
@@ -17,8 +17,8 @@
     'modfuncs' => 'main',
     'is_sysmod' => 0,
     'virtual' => 1,
-    'version' => '4.0.29',
-    'date' => 'Wed, 18 May 2016 17:00:00 GMT',
+    'version' => '4.1.00',
+    'date' => 'Thu, 22 Sep 2016 17:00:00 GMT',
     'author' => 'VINADES (contact@vinades.vn)',
     'note' => ''
 );
\ No newline at end of file