diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index 01f8c5d..42960ec 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -22,7 +22,10 @@ jobs:
     steps:
       # docker:24 基于 alpine，默认无 git/curl；先装再手动 clone 本仓库
       - 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
 
       # 内网 Gitea 无法访问 github.com 拉取 actions/checkout，改为直接 clone 本仓库
       - name: Checkout (manual, internal Gitea)