diff --git a/config/define.php b/config/define.php
index 0414d1e..b3e5553 100644
--- a/config/define.php
+++ b/config/define.php
@@ -25,7 +25,8 @@
 
     define('JWT_KEY','3f8aef32b8b77c6e');
 
-    define('CONTACT_US_IMG_URL', TCM_DOMAIN.'/images/contact_us.png');
+    define('CSS_JS_VERSION', '8.8.8');
+    define('CONTACT_US_IMG_URL', TCM_DOMAIN.'/images/contact_us.png?v='.CSS_JS_VERSION);
 
     $GLOBALS['notice_mail_list'] = array(
         'wangpd5@163.com' => array(
diff --git a/view/images/contact_us.png b/view/images/contact_us.png
index f9947f5..70d489c 100644
Binary files a/view/images/contact_us.png and b/view/images/contact_us.png differ