diff --git a/server/app/adminapi/logic/community/CommunityPostLogic.php b/server/app/adminapi/logic/community/CommunityPostLogic.php
index eb55c00e..429937a8 100644
--- a/server/app/adminapi/logic/community/CommunityPostLogic.php
+++ b/server/app/adminapi/logic/community/CommunityPostLogic.php
@@ -280,7 +280,6 @@ class CommunityPostLogic extends BaseLogic
                 ->count();
             CommunityTag::where('id', $tagId)->update([
                 'post_count' => $postCount,
-                'update_time' => time(),
             ]);
         }
     }