diff --git a/modules/integration_search/integration_search.model.php b/modules/integration_search/integration_search.model.php
index d6ef8d796..04f316c97 100644
--- a/modules/integration_search/integration_search.model.php
+++ b/modules/integration_search/integration_search.model.php
@@ -30,21 +30,24 @@ class integration_searchModel extends module
 	 */
 	function getDocuments($target, $module_srls_list, $search_target, $search_keyword, $page=1, $list_count = 20)
 	{
-		if(is_array($module_srls_list)) $module_srls_list = implode(',',$module_srls_list);
+		if(!is_array($module_srls_list))
+		{
+			$module_srls_list = $module_srl_list ? explode(',', $module_srls_list) : array();
+		}
+		$accessible_modules = array_keys(getModel('module')->getAccessibleModuleList());
 
 		$args = new stdClass();
 		if($target == 'exclude')
 		{
-			$module_srls_list .= ',0'; // exclude 'trash'
-			if ($module_srls_list{0} == ',') $module_srls_list = substr($module_srls_list, 1);
-			$args->exclude_module_srl = $module_srls_list;
+			$args->module_srl = $accessible_modules;
+			$args->exclude_module_srl = array_diff($module_srls_list, $accessible_modules);
 		}
 		else
 		{
-			$args->module_srl = $module_srls_list;
-			$args->exclude_module_srl = '0'; // exclude 'trash'
+			$args->module_srl = array_intersect($module_srls_list, $accessible_modules);
+			$args->exclude_module_srl = array(0); // exclude 'trash'
 		}
-
+		
 		$args->page = $page;
 		$args->list_count = $list_count;
 		$args->page_count = 10;
@@ -73,21 +76,23 @@ class integration_searchModel extends module
 	 */
 	function getComments($target, $module_srls_list, $search_keyword, $page=1, $list_count = 20)
 	{
-		$args = new stdClass();
-
-		if(is_array($module_srls_list))
+		if(!is_array($module_srls_list))
 		{
-			if (count($module_srls_list) > 0) $module_srls = implode(',',$module_srls_list);
+			$module_srls_list = $module_srl_list ? explode(',', $module_srls_list) : array();
+		}
+		$accessible_modules = array_keys(getModel('module')->getAccessibleModuleList());
+
+		$args = new stdClass();
+		if($target == 'exclude')
+		{
+			$args->module_srl = $accessible_modules;
+			$args->exclude_module_srl = array_diff($module_srls_list, $accessible_modules);
 		}
 		else
 		{
-			if($module_srls_list)
-			{
-				$module_srls = $module_srls_list;
-			}
+			$args->module_srl = array_intersect($module_srls_list, $accessible_modules);
+			$args->exclude_module_srl = array(0); // exclude 'trash'
 		}
-		if($target == 'exclude') $args->exclude_module_srl = $module_srls;
-		else $args->module_srl = $module_srls;
 
 		$args->page = $page;
 		$args->list_count = $list_count;
@@ -120,12 +125,25 @@ class integration_searchModel extends module
 	{
 		$oTrackbackModel = getAdminModel('trackback');
 		if(!$oTrackbackModel) return new BaseObject();
-		$args = new stdClass();
 
-		if(is_array($module_srls_list)) $module_srls = implode(',',$module_srls_list);
-		else $module_srls = $module_srls_list;
-		if($target == 'exclude') $args->exclude_module_srl = $module_srls;
-		else $args->module_srl = $module_srls;
+		if(!is_array($module_srls_list))
+		{
+			$module_srls_list = $module_srl_list ? explode(',', $module_srls_list) : array();
+		}
+		$accessible_modules = array_keys(getModel('module')->getAccessibleModuleList());
+
+		$args = new stdClass();
+		if($target == 'exclude')
+		{
+			$args->module_srl = $accessible_modules;
+			$args->exclude_module_srl = array_diff($module_srls_list, $accessible_modules);
+		}
+		else
+		{
+			$args->module_srl = array_intersect($module_srls_list, $accessible_modules);
+			$args->exclude_module_srl = array(0); // exclude 'trash'
+		}
+		
 		$args->page = $page;
 		$args->list_count = $list_count;
 		$args->page_count = 10;
@@ -153,12 +171,24 @@ class integration_searchModel extends module
 	 */
 	function _getFiles($target, $module_srls_list, $search_keyword, $page, $list_count, $direct_download = 'Y')
 	{
-		$args = new stdClass();
+		if(!is_array($module_srls_list))
+		{
+			$module_srls_list = $module_srl_list ? explode(',', $module_srls_list) : array();
+		}
+		$accessible_modules = array_keys(getModel('module')->getAccessibleModuleList());
 
-		if(is_array($module_srls_list)) $module_srls = implode(',',$module_srls_list);
-		else $module_srls = $module_srls_list;
-		if($target == 'exclude') $args->exclude_module_srl = $module_srls;
-		else $args->module_srl = $module_srls;
+		$args = new stdClass();
+		if($target == 'exclude')
+		{
+			$args->module_srl = $accessible_modules;
+			$args->exclude_module_srl = array_diff($module_srls_list, $accessible_modules);
+		}
+		else
+		{
+			$args->module_srl = array_intersect($module_srls_list, $accessible_modules);
+			$args->exclude_module_srl = array(0); // exclude 'trash'
+		}
+		
 		$args->page = $page;
 		$args->list_count = $list_count;
 		$args->page_count = 10;
diff --git a/modules/member/member.controller.php b/modules/member/member.controller.php
index 6cb5dfd7c..ddcba0857 100644
--- a/modules/member/member.controller.php
+++ b/modules/member/member.controller.php
@@ -3253,6 +3253,7 @@ class memberController extends member
 		$member_srl = intval($member_srl);
 		Rhymix\Framework\Cache::delete("member:member_info:$member_srl");
 		Rhymix\Framework\Cache::delete("member:member_groups:$member_srl:site:$site_srl");
+		Rhymix\Framework\Cache::delete("site_and_module:accessible_modules:$member_srl");
 		if ($site_srl != 0)
 		{
 			Rhymix\Framework\Cache::delete("member:member_groups:$member_srl:site:0");
diff --git a/modules/module/module.model.php b/modules/module/module.model.php
index aaee58412..aef212c81 100644
--- a/modules/module/module.model.php
+++ b/modules/module/module.model.php
@@ -2185,6 +2185,49 @@ class moduleModel extends module
 		return $__cache = $grant;
 	}
 	
+	/**
+	 * Get the list of modules that the member can access.
+	 * 
+	 * @param object $member_info
+	 * @return array
+	 */
+	function getAccessibleModuleList($member_info = null)
+	{
+		if(!$member_info)
+		{
+			$member_info = Context::get('logged_info');
+		}
+		
+		$result = Rhymix\Framework\Cache::get(sprintf('site_and_module:accessible_modules:%d', $member_info->member_srl));
+		if($result === null)
+		{
+			$mid_list = $this->getMidList();
+			$result = array();
+			
+			foreach($mid_list as $module_info)
+			{
+				$grant = $this->getGrant($module_info, $member_info);
+				if(!$grant->access)
+				{
+					continue;
+				}
+				foreach(array('list', 'view') as $require_grant)
+				{
+					if(isset($grant->{$require_grant}) && $grant->{$require_grant} === false)
+					{
+						continue 2;
+					}
+				}
+				$result[$module_info->module_srl] = $module_info;
+			}
+			ksort($result);
+			
+			Rhymix\Framework\Cache::set(sprintf('site_and_module:accessible_modules:%d', $member_info->member_srl), $result);
+		}
+		
+		return $result;
+	}
+	
 	/**
 	 * Get privileges(granted) information of the member for target module by target_srl
 	 * @param string $target_srl as module_srl. It may be a reference serial number