diff --git a/application/api/controller/Aiarticle.php b/application/api/controller/Aiarticle.php
index 6c77c19..916e7fd 100644
--- a/application/api/controller/Aiarticle.php
+++ b/application/api/controller/Aiarticle.php
@@ -1524,7 +1524,7 @@ class Aiarticle extends Base
                     $sTitle = empty($aMainImageInfo['title']) ? strip_tags($aMainImageInfo['note']) : strip_tags($aMainImageInfo['title']);
                     $aImageSerach['{###image_title###}'] = '';
                     if(!empty($sTitle)){
-                        $sTitle = preg_replace('/Figure \d+.*?/', '', $sTitle);
+                        $sTitle = preg_replace('/Figure \d+.*?/i', '', $sTitle);
                         $aTitle = explode('.', $sTitle);
                         $aImageSerach['{###image_title###}'] =  empty($aTitle[0]) ? $sTitle : strip_tags($aTitle[0]);
                     }