diff --git a/application/controllers/information.php b/application/controllers/information.php
index b9a683e8..224aa8c6 100644
--- a/application/controllers/information.php
+++ b/application/controllers/information.php
@@ -111,6 +111,11 @@ class Information extends CI_Controller
   //is_id 信息结构ID，
   public function copy_by_is_id($src_is_id, $dest_is_id)
   {
+    if (empty ($src_is_id) || empty ($src_is_id)) {
+      echo 'need 2 is_id';
+      return false;
+    }
+
     $data = array();
     if ($src_is_id == $dest_is_id || empty ($src_is_id) || empty ($dest_is_id)) {
       return false;
@@ -917,7 +922,7 @@ class Information extends CI_Controller
       $parsed_photo = $information->ic_photo;
       $parsed_photo_url = parse_url($information->ic_photo);
       if (
-        (!isset($parsed_photo_url['host']) || !isset($parsed_photo_url['scheme'])) && isset($parsed_photo_url['path'])
+        (!isset ($parsed_photo_url['host']) || !isset ($parsed_photo_url['scheme'])) && isset ($parsed_photo_url['path'])
       ) {
         $parsed_photo = 'https://images.chinahighlights.com' . $parsed_photo_url['path'];
       }
@@ -1713,7 +1718,7 @@ class Information extends CI_Controller
 
     // 未勾选In Article 广告时，加入标签 <meta name="ezoic" content="noads"/>，让 ezoic 识别出该页面不展示广告。
     $meta_google_ad_article = get_meta($information->ic_id, 'meta_google_ad_article');
-    if (empty($meta_google_ad_article) || !$meta_google_ad_article) {
+    if (empty ($meta_google_ad_article) || !$meta_google_ad_article) {
       $template = str_replace(
         '<!--@Meta-Ezoic-NoAds@-->',
         '<meta name="ezoic" content="noads"/>',