diff --git a/src/system/common.func.php b/src/system/common.func.php
index 9a09448a..724c3059 100755
--- a/src/system/common.func.php
+++ b/src/system/common.func.php
@@ -19,7 +19,7 @@ define('ALERT_COLORS', array(
     ALERT_LIGHT => array('#fefefe','#fdfdfe','#636464'),
     ALERT_DARK => array('#d3d3d4','#bcbebf','#141619'),
 ));
-define("ALERT_TPL", '<div style="width:98%;margin:0 auto"><div style="font-size:12px;margin:1rem auto;color:~color~;background:~background~;border-color:~border~;position:relative;padding:.75rem 1.25rem;border:1px solid transparent;border-radius:.2rem">~content~</div></div>');
+define("ALERT_TPL", '<div style="position:relative;padding:.75rem 1.25rem;width:auto;font-size:12px;color:~color~;background:~background~;border-color:~border~;border:1px solid transparent;border-radius:.2rem">~content~</div>');
 //$content:文档 $type:alert类型
 function DedeAlert($content, $type = ALERT_PRIMARY)
 {