diff --git a/.gitea/workflows/deploy.yml b/.gitea/workflows/deploy.yml
index 2104ae5..e13462f 100644
--- a/.gitea/workflows/deploy.yml
+++ b/.gitea/workflows/deploy.yml
@@ -20,7 +20,10 @@ jobs:
       image: docker:24
     steps:
       - name: Install git / curl (alpine)
-        run: apk add --no-cache git curl
+        run: |
+          # 统一走 aliyun 源：dl-cdn 时段性被拦会卡满 60s×2（2026-10-20 事故）
+          sed -i 's#dl-cdn.alpinelinux.org#mirrors.aliyun.com#g' /etc/apk/repositories
+          apk add --no-cache git curl
 
       - name: Checkout (manual, internal Gitea)
         # cas.war (约 170MB) 已作为普通 blob 入库（服务端未启用 LFS）