diff --git a/Dockerfile b/Dockerfile
index 4700612..2453adc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,17 +3,22 @@ FROM node:20-slim AS frontend-builder
 
 WORKDIR /build
 COPY web/frontend/package.json web/frontend/package-lock.json* ./
-RUN npm ci || npm install
+# 优先 npmmirror，失败时回退官方 registry
+RUN npm config set registry https://registry.npmmirror.com && \
+    (npm ci || npm install) || \
+    (npm config set registry https://registry.npmjs.org && (npm ci || npm install))
 COPY web/frontend/ ./
 RUN npm run build
 
 # ===== 阶段2: Python 运行时 =====
 FROM python:3.12-slim AS runtime
 
-# 优先使用腾讯云镜像源加速；不可用时自动回退官方源。
+# 优先阿里云内网镜像，其次公网阿里云，最后官方源。
 RUN cp /etc/apt/sources.list.d/debian.sources /tmp/debian.sources && \
-    sed -i 's/deb.debian.org/mirrors.tencentyun.com/g' /etc/apt/sources.list.d/debian.sources && \
+    sed -i 's/deb.debian.org/mirrors.cloud.aliyuncs.com/g' /etc/apt/sources.list.d/debian.sources && \
     (apt-get update -o APT::Update::Error-Mode=any || \
+        (sed -i 's/mirrors.cloud.aliyuncs.com/mirrors.aliyun.com/g' /etc/apt/sources.list.d/debian.sources && \
+        apt-get update -o APT::Update::Error-Mode=any) || \
         (cp /tmp/debian.sources /etc/apt/sources.list.d/debian.sources && \
         apt-get update -o APT::Update::Error-Mode=any)) && \
     apt-get install -y --no-install-recommends \
@@ -22,15 +27,19 @@ RUN cp /etc/apt/sources.list.d/debian.sources /tmp/debian.sources && \
     nodejs \
     && rm -rf /var/lib/apt/lists/*
 
-# 安装 uv：优先腾讯云 PyPI，失败时回退默认 PyPI。
-RUN pip install -i https://mirrors.tencentyun.com/pypi/simple uv || pip install uv
+# 安装 uv：优先阿里云内网 PyPI → 公网阿里云 → 官方。
+RUN pip install -i https://mirrors.cloud.aliyuncs.com/pypi/simple/ uv || \
+    pip install -i https://mirrors.aliyun.com/pypi/simple/ uv || \
+    pip install uv
 
 WORKDIR /app
 
 # 先复制依赖文件，利用 Docker 缓存层
 COPY pyproject.toml uv.lock* README.md alembic.ini ./
 RUN uv venv /app/.venv && \
-    (UV_INDEX_URL=https://mirrors.tencentyun.com/pypi/simple uv pip install -e . || uv pip install -e .)
+    (UV_INDEX_URL=https://mirrors.cloud.aliyuncs.com/pypi/simple/ uv pip install -e . || \
+     UV_INDEX_URL=https://mirrors.aliyun.com/pypi/simple/ uv pip install -e . || \
+     uv pip install -e .)
 
 # 复制项目代码
 COPY core/ ./core/