diff --git a/tpl/think_exception.tpl b/tpl/think_exception.tpl
index 2d898c30..0c9d31ed 100644
--- a/tpl/think_exception.tpl
+++ b/tpl/think_exception.tpl
@@ -79,7 +79,7 @@
 <html>
 <head>
     <meta charset="UTF-8">
-    <title><?php echo lang('System Error'); ?></title>
+    <title><?php echo \think\Lang::get('System Error'); ?></title>
     <meta name="robots" content="noindex,nofollow" />
     <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
     <style>
