diff --git a/Application/Admin/Controller/ExportController.class.php b/Application/Admin/Controller/ExportController.class.php
index 84e6152e5..8c4465138 100644
--- a/Application/Admin/Controller/ExportController.class.php
+++ b/Application/Admin/Controller/ExportController.class.php
@@ -2642,7 +2642,7 @@ class ExportController extends Controller
                         //     ->where($map)
                         //     ->page($page,$row)
                         //     ->select();
-                        $first = M('value_detail_log', 'tab_')->field('after_value')->where($map)->limit(1)->order('create_time')->select();
+                        $first = M('value_detail_log', 'tab_')->field('after_value')->where($map)->limit(1)->order('create_time desc')->select();
                         if (!empty($first[0]['after_value'])) {
                             $first = number_format($first[0]['after_value'],2,'.','');
                         }else {