diff --git a/application/libraries/Tags_analysis.php b/application/libraries/Tags_analysis.php
index ed636e6d..c15de90a 100644
--- a/application/libraries/Tags_analysis.php
+++ b/application/libraries/Tags_analysis.php
@@ -165,7 +165,10 @@ class Tags_analysis {
 					$data['title_url'] = array();
 					foreach($arr as $ic_id){
 						if($ic_id != ''){
-							array_push($data['title_url'],$this->CI->Information_model->get_title_url($ic_id)[0]);
+							$obj = $this->CI->Information_model->get_title_url($ic_id)[0];
+							if(!empty($obj)){
+								array_push($data['title_url'],$obj);
+							}
 						}
 					}
 				}else{
@@ -187,7 +190,10 @@ class Tags_analysis {
 					$data['title_url'] = array();
 					foreach($arr as $ic_id){
 						if($ic_id != ''){
-							array_push($data['title_url'],$this->CI->Information_model->get_title_url($ic_id)[0]);
+							$obj = $this->CI->Information_model->get_title_url($ic_id)[0];
+							if(!empty($obj)){
+								array_push($data['title_url'],$obj);
+							}
 						}
 					}
 				}else{