diff --git a/.gitea/workflows/release-image.yml b/.gitea/workflows/release-image.yml
index 68fee71..ead1940 100644
--- a/.gitea/workflows/release-image.yml
+++ b/.gitea/workflows/release-image.yml
@@ -59,6 +59,10 @@ jobs:
         run: |
           sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories
           apk add --no-cache git bash >/dev/null
+          # dind daemon 配置国内 registry mirror（docker.io 直连不可达）
+          mkdir -p /etc/docker
+          printf '{"registry-mirrors":["https://docker.m.daocloud.io","https://docker.1ms.run"]}' \
+            > /etc/docker/daemon.json
           dockerd --host=unix:///var/run/docker.sock >/tmp/dockerd.log 2>&1 &
           for i in $(seq 1 30); do docker info >/dev/null 2>&1 && break; sleep 1; done
           docker info --format 'dind 就绪: {{.ServerVersion}}'