diff --git a/lib/thumbnail.lib.php b/lib/thumbnail.lib.php
index ce53dda2b..05cb325a6 100644
--- a/lib/thumbnail.lib.php
+++ b/lib/thumbnail.lib.php
@@ -53,6 +53,10 @@ function get_list_thumbnail($bo_table, $wr_id, $thumb_width, $thumb_height, $is_
 
     if(!$filename)
         return false;
+    
+    if( $thumbnail_info = run_replace('get_list_thumbnail_info', array(), array('bo_table'=>$bo_table, 'wr_id'=>$wr_id, 'data_path'=>$data_path, 'edt'=>$edt, 'filename'=>$filename, 'filepath'=>$filepath, 'thumb_width'=>$thumb_width, 'thumb_height'=>$thumb_height, 'is_create'=>$is_create, 'is_crop'=>$is_crop, 'crop_mode'=>$crop_mode, 'is_sharpen'=>$is_sharpen, 'um_value'=>$um_value)) ){
+        return $thumbnail_info;
+    }
 
     if( $thumbnail_info = run_replace('get_list_thumbnail_info', array(), array('bo_table'=>$bo_table, 'wr_id'=>$wr_id, 'data_path'=>$data_path, 'edt'=>$edt, 'filename'=>$filename, 'filepath'=>$filepath, 'thumb_width'=>$thumb_width, 'thumb_height'=>$thumb_height, 'is_create'=>$is_create, 'is_crop'=>$is_crop, 'crop_mode'=>$crop_mode, 'is_sharpen'=>$is_sharpen, 'um_value'=>$um_value)) ){
         return $thumbnail_info;
@@ -202,7 +206,7 @@ function get_view_thumbnail($contents, $thumb_width=0)
         }
     }
 
-    return $contents;
+    return run_replace('get_view_thumbnail', $contents);
 }
 
 function thumbnail($filename, $source_path, $target_path, $thumb_width, $thumb_height, $is_create, $is_crop=false, $crop_mode='center', $is_sharpen=false, $um_value='80/0.5/3')