diff --git a/app/Services/Api/ActivityGameService.php b/app/Services/Api/ActivityGameService.php
index f8d7f90..f77a335 100644
--- a/app/Services/Api/ActivityGameService.php
+++ b/app/Services/Api/ActivityGameService.php
@@ -36,7 +36,11 @@ class ActivityGameService
             return $res;
         }
         //判断活动是否还能参加
-        if($game->activity->start_at > now() || $game->activity->end_at < now()){
+        if($game->activity->start_at > now()){
+            $res['message'] = '活动还未开始，请选择其他活动参与';
+            return $res;
+        }
+        if($game->activity->end_at < now()){
             $res['message'] = '活动已结束，请选择其他活动参与';
             return $res;
         }