diff --git a/app/Service/v3/Implementations/GoodsActivityService.php b/app/Service/v3/Implementations/GoodsActivityService.php
index 5fdb515..f2c9595 100644
--- a/app/Service/v3/Implementations/GoodsActivityService.php
+++ b/app/Service/v3/Implementations/GoodsActivityService.php
@@ -150,8 +150,7 @@ class GoodsActivityService implements GoodsActivityServiceInterface
 
         $ssdb = ApplicationContext::getContainer()->get(SSDBTask::class);
 
-        if (!$ssdb->exec('exists', $ssdbKey)) {
-        } else {
+        if ($ssdb->exec('exists', $ssdbKey)) {
             $res = $ssdb->exec('incr', $ssdbKey, -1*$num);
         }
     }