diff --git a/deploy/docker/backend.Dockerfile b/deploy/docker/backend.Dockerfile
index d7680411..9c63c5e7 100644
--- a/deploy/docker/backend.Dockerfile
+++ b/deploy/docker/backend.Dockerfile
@@ -26,6 +26,8 @@ RUN npm run build \
 
 FROM docker.m.daocloud.io/library/node:22-bookworm-slim AS runtime
 
+ARG DEBIAN_MIRROR=mirrors.cloud.tencent.com
+
 ENV DEBIAN_FRONTEND=noninteractive
 ENV TZ=Asia/Shanghai
 ENV NODE_ENV=production
@@ -34,7 +36,9 @@ WORKDIR /app
 
 RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
     --mount=type=cache,target=/var/lib/apt,sharing=locked \
-    apt-get update \
+    sed -i "s|http://deb.debian.org/debian|http://${DEBIAN_MIRROR}/debian|g" /etc/apt/sources.list.d/debian.sources \
+  && sed -i "s|http://security.debian.org/debian-security|http://${DEBIAN_MIRROR}/debian-security|g" /etc/apt/sources.list.d/debian.sources \
+  && apt-get update \
   && apt-get install -y --no-install-recommends \
        curl ca-certificates tzdata \
   && ln -snf /usr/share/zoneinfo/${TZ} /etc/localtime \
diff --git a/deploy/docker/frontend.Dockerfile b/deploy/docker/frontend.Dockerfile
index d72fcaae..359968c6 100644
--- a/deploy/docker/frontend.Dockerfile
+++ b/deploy/docker/frontend.Dockerfile
@@ -16,9 +16,12 @@ RUN npm run build
 
 FROM docker.m.daocloud.io/library/caddy:2-alpine
 
+ARG ALPINE_MIRROR=mirrors.cloud.tencent.com
+
 ENV TZ=Asia/Shanghai
 
-RUN apk add --no-cache tzdata \
+RUN sed -i "s|https://dl-cdn.alpinelinux.org/alpine|https://${ALPINE_MIRROR}/alpine|g" /etc/apk/repositories \
+  && apk add --no-cache tzdata \
   && ln -snf /usr/share/zoneinfo/${TZ} /etc/localtime \
   && echo ${TZ} > /etc/timezone