diff --git a/.github/workflows/build-base.yml b/.github/workflows/build-base.yml
index e32dd1d..db6da8b 100644
--- a/.github/workflows/build-base.yml
+++ b/.github/workflows/build-base.yml
@@ -2,6 +2,8 @@ name: Build-Base-Image
 
 on:
   workflow_dispatch:  # 手动触发
+  schedule:
+    - cron: '0 0 * * 0' # 每周日凌晨0点自动构建一次
   push:
     branches:
       - main