diff --git a/functions.php b/functions.php
index 7495ad6..0416ea7 100644
--- a/functions.php
+++ b/functions.php
@@ -893,9 +893,9 @@ function themeConfig($form)
         'JOverdue',
         array(
             'off' => '关闭（默认）',
-			'3' => '大于3天',
-			'7' => '大于7天',
-			'15' => '大于15天',
+            '3' => '大于3天',
+            '7' => '大于7天',
+            '15' => '大于15天',
             '30' => '大于30天',
             '60' => '大于60天',
             '90' => '大于90天',