diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index fcf5e5c..88067dd 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -19,7 +19,10 @@ jobs:
       options: --network infra-infra-net
     steps:
       - name: 安装 git / curl / zip（alpine）
-        run: apk add --no-cache git curl zip
+        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 zip
 
       # 内网 Gitea 无法访问 GitHub 拉 actions/checkout，手动 clone 本仓库
       - name: 拉取源码（内网无 GitHub，手动 clone 本仓库）
diff --git a/.gitea/workflows/deploy.yml b/.gitea/workflows/deploy.yml
index bd89cd0..3638ca5 100644
--- a/.gitea/workflows/deploy.yml
+++ b/.gitea/workflows/deploy.yml
@@ -24,7 +24,10 @@ jobs:
       image: docker:24
     steps:
       - name: Install git (alpine)
-        run: apk add --no-cache git
+        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
 
       # 内网 Gitea 无法访问 github.com 拉取 actions/checkout，改为直接 clone 本仓库（main 分支）
       - name: Checkout (manual, internal Gitea)