diff --git a/Application/Admin/Controller/PromoteGameRatioController.class.php b/Application/Admin/Controller/PromoteGameRatioController.class.php
index 05bedf223..d8ea7d936 100644
--- a/Application/Admin/Controller/PromoteGameRatioController.class.php
+++ b/Application/Admin/Controller/PromoteGameRatioController.class.php
@@ -130,6 +130,11 @@ class PromoteGameRatioController extends ThinkController
             if (empty($params['begin_time'])) {
                 $this->error('请选择开始时间');
             }
+            if (!empty($params['end_time'])) {
+                if (strtotime($params['end_time']) < strtotime($params['begin_time'])) {
+                    $this->error('结束时间不得小于开始时间');
+                }
+            }
             $save['ratio'] = $params['ratio'] ?? 0;
             $save['begin_time'] = strtotime($params['begin_time']);
             $save['end_time'] = $params['end_time'] ? strtotime($params['end_time']) : 0;