diff --git a/.gitea/workflows/prepare.yml b/.gitea/workflows/prepare.yml
index d009a1d2..27e0a968 100644
--- a/.gitea/workflows/prepare.yml
+++ b/.gitea/workflows/prepare.yml
@@ -14,8 +14,8 @@ on:
       - main
   workflow_dispatch:
   schedule:
-    # thirdparty 快照每日轮询：Prepare 定时成功后，update-thirdparty-skills 通过 workflow_run 触发。
-    - cron: "17 3 * * *"
+    # 北京时间（UTC+8）每日 06:00；Prepare 成功后由 workflow_run 触发 thirdparty 快照更新。
+    - cron: "0 22 * * *"
 
 concurrency:
   group: prepare-${{ github.repository }}