diff --git a/Application/Base/Service/DiscountService.class.php b/Application/Base/Service/DiscountService.class.php
index bf290e093..eac24fecc 100644
--- a/Application/Base/Service/DiscountService.class.php
+++ b/Application/Base/Service/DiscountService.class.php
@@ -12,8 +12,8 @@ class DiscountService
         $data = [
             'base_game_id' => $params['base_game_id'],
             'base_game_name' => $baseGame['name'],
-            'start_time' => strtotime($params['start_time']),
-            'end_time' => empty($params['end_time']) ? self::FOREVER_TIME : strtotime($params['end_time']),
+            'start_time' => strtotime($params['start_time'] . ' 00:00:00'),
+            'end_time' => empty($params['end_time']) ? self::FOREVER_TIME : strtotime($params['end_time'] . ' 23:59:59'),
             'first_rate' => $params['first_rate'],
             'second_rate' => $params['second_rate'],
             'status' => $params['status'],
@@ -69,6 +69,18 @@ class DiscountService
             if ($record['end_time'] < time()) {
                 throw new \Exception('生效时间已过，不可修改');
             }
+
+            if ($record['start_time'] < time()) {
+                if ($record['base_game_id'] != $params['base_game_id']) {
+                    throw new \Exception('已生效不能修改游戏');
+                }
+                if (intval($firstRate * 10) != intval($record['first_rate'] * 10)) {
+                    throw new \Exception('已生效不能修改首充折扣');
+                }
+                if (intval($secondRate * 10) != intval($record['second_rate'] * 10)) {
+                    throw new \Exception('已生效不能修改次充折扣');
+                }
+            }
         }
 
         $map = [];