diff --git a/Dockerfile b/Dockerfile
index 7511f3a..2e6b2de 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -27,6 +27,7 @@ RUN --mount=type=cache,target=/root/.npm \
 FROM python:3.12-slim AS runtime
 
 ARG USE_CHINA_MIRRORS=true
+ARG UV_VERSION=0.13.5
 
 # 服务器默认使用阿里云镜像；本地构建可设 USE_CHINA_MIRRORS=false 直连官方源。
 # apt 缓存挂载：包索引和 .deb 都留在 BuildKit 缓存里，不再每次重下。
@@ -50,24 +51,28 @@ RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
     fonts-wqy-microhei
 
 # 安装 uv：服务器走阿里云镜像，本地直连官方 PyPI。
+# mirrors.cloud.aliyuncs.com 的证书与主机名不匹配，直接用 mirrors.aliyun.com，
+# 避免每次构建先失败重试 10 秒；版本固定，基础层重建时行为保持一致。
 RUN --mount=type=cache,target=/root/.cache/pip \
     if [ "$USE_CHINA_MIRRORS" = "true" ]; then \
-        pip install -i https://mirrors.cloud.aliyuncs.com/pypi/simple/ uv || \
-        pip install -i https://mirrors.aliyun.com/pypi/simple/ uv || \
-        pip install uv; \
+        (pip install --retries 2 --timeout 30 \
+            -i https://mirrors.aliyun.com/pypi/simple/ "uv==${UV_VERSION}" || \
+         pip install --retries 2 --timeout 30 "uv==${UV_VERSION}"); \
     else \
-        pip install uv; \
+        pip install --retries 2 --timeout 30 "uv==${UV_VERSION}"; \
     fi
 
 WORKDIR /app
 
+# 缓存目录和 .venv 位于不同文件系统时 uv 会自动回退为复制；显式设置可避免构建告警。
+ENV UV_LINK_MODE=copy
+
 # 先复制依赖文件，利用 Docker 缓存层
 COPY pyproject.toml uv.lock* README.md alembic.ini ./
 RUN --mount=type=cache,target=/root/.cache/uv \
     uv venv /app/.venv && \
     if [ "$USE_CHINA_MIRRORS" = "true" ]; then \
-        (UV_INDEX_URL=https://mirrors.cloud.aliyuncs.com/pypi/simple/ uv pip install -e . || \
-         UV_INDEX_URL=https://mirrors.aliyun.com/pypi/simple/ uv pip install -e . || \
+        (UV_INDEX_URL=https://mirrors.aliyun.com/pypi/simple/ uv pip install -e . || \
          uv pip install -e .); \
     else \
         uv pip install -e .; \
@@ -117,8 +122,7 @@ COPY tests/ ./tests/
 COPY conftest.py ./
 RUN --mount=type=cache,target=/root/.cache/uv \
     if [ "$USE_CHINA_MIRRORS" = "true" ]; then \
-        (UV_INDEX_URL=https://mirrors.cloud.aliyuncs.com/pypi/simple/ uv sync --frozen --group dev || \
-         UV_INDEX_URL=https://mirrors.aliyun.com/pypi/simple/ uv sync --frozen --group dev || \
+        (UV_INDEX_URL=https://mirrors.aliyun.com/pypi/simple/ uv sync --frozen --group dev || \
          uv sync --frozen --group dev); \
     else \
         uv sync --frozen --group dev; \
diff --git a/deploy.sh b/deploy.sh
index fe947c1..79efac0 100755
--- a/deploy.sh
+++ b/deploy.sh
@@ -56,6 +56,56 @@ stop_legacy_containers() {
     done
 }
 
+# 同一台机器只允许一个部署任务构建/重建，避免两个 deploy.sh 抢缓存和互相覆盖。
+acquire_deploy_lock() {
+    local lock_file="${DEPLOY_LOCK_FILE:-/tmp/live-hub-py-deploy.lock}"
+    if ! command -v flock >/dev/null 2>&1; then
+        echo "⚠️  未安装 flock，跳过部署并发锁"
+        return 0
+    fi
+    exec 9>"$lock_file"
+    if ! flock -n 9; then
+        echo "❌ 已有部署任务在运行（锁: $lock_file），请稍后再试"
+        exit 1
+    fi
+    echo "  已获取部署锁: $lock_file"
+}
+
+# 给镜像构建加超时，避免网络卡住时脚本无限挂起。
+build_app_image() {
+    local build_timeout="${DEPLOY_BUILD_TIMEOUT:-1800}"
+    echo "  构建超时: ${build_timeout}s"
+    if command -v timeout >/dev/null 2>&1; then
+        timeout "$build_timeout" $COMPOSE build douyu-login || {
+            local code=$?
+            echo "❌ 镜像构建失败或超过 ${build_timeout}s（退出码 ${code}）"
+            exit "$code"
+        }
+    else
+        $COMPOSE build douyu-login
+    fi
+}
+
+# 等待 Docker 自身 HEALTHCHECK 通过（同时覆盖 Web 和同容器 Worker）。
+wait_for_container_healthy() {
+    local cid status
+    cid="$($COMPOSE ps -q douyu-login 2>/dev/null | head -n 1)"
+    if [ -z "$cid" ]; then
+        return 1
+    fi
+    for _ in $(seq 1 60); do
+        status="$(docker inspect -f '{{if .State.Health}}{{.State.Health.Status}}{{else}}{{.State.Status}}{{end}}' "$cid" 2>/dev/null || true)"
+        if [ "$status" = "healthy" ]; then
+            return 0
+        fi
+        if [ "$status" = "unhealthy" ]; then
+            return 1
+        fi
+        sleep 2
+    done
+    return 1
+}
+
 # ── 子命令 ──────────────────────────────────────────────
 
 cmd_deploy() {
@@ -64,6 +114,8 @@ cmd_deploy() {
     echo "  斗鱼批量登录 - Docker 部署"
     echo "=============================="
 
+    acquire_deploy_lock
+
     if ! command -v docker &> /dev/null; then
         echo "❌ 未安装 Docker，请先安装："
         echo "   curl -fsSL https://get.docker.com | sh"
@@ -93,10 +145,10 @@ cmd_deploy() {
     mkdir -p data logs
 
     # 构建并启动
-    echo "正在构建应用镜像（首次构建约3-5分钟）..."
+    echo "正在构建应用镜像（首次构建可能较久；有缓存时通常几十秒）..."
     stop_legacy_containers
     # 生产部署不构建含大型开发依赖的 test 镜像；测试镜像仅在本地按需构建。
-    $COMPOSE build douyu-login
+    build_app_image
 
     echo ""
     echo "正在启动服务..."
@@ -113,11 +165,20 @@ cmd_deploy() {
     # 30 秒不够：mysql 一起重建时应用就绪约 35 秒，会误报「启动超时」。
     for i in $(seq 1 40); do
         if curl -s "http://localhost:${APP_PORT}/api/health" | grep -q "ok" 2>/dev/null; then
+            echo ""
+            echo "服务已响应，等待 Docker 健康检查..."
+            if ! wait_for_container_healthy; then
+                echo "❌ 服务已响应，但容器未进入 healthy 状态，查看日志："
+                $COMPOSE ps
+                $COMPOSE logs --tail 50 douyu-login
+                exit 1
+            fi
             echo ""
             echo "=============================="
             echo "  ✅ 部署成功！"
             echo "=============================="
             echo "  访问地址: http://localhost:${APP_PORT}"
+            echo "  容器健康: healthy"
             echo "  默认账号见环境变量 ADMIN_USERNAME/ADMIN_PASSWORD（未设置则为 admin/admin123）"
             echo ""
             echo "  查看应用日志: ./deploy.sh logs"
diff --git a/docker-compose.yml b/docker-compose.yml
index 55a0580..b6ade33 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -7,6 +7,8 @@ services:
       args:
         # 服务器默认走阿里云镜像；本地测试设为 false。
         USE_CHINA_MIRRORS: ${USE_CHINA_MIRRORS:-true}
+        # 固定 uv 版本，避免基础层重建时解析到不同版本。
+        UV_VERSION: ${UV_VERSION:-0.13.5}
     restart: unless-stopped
     mem_limit: ${DOUYU_LOGIN_MEM_LIMIT:-2g}
     cpus: ${DOUYU_LOGIN_CPUS:-2}
@@ -112,6 +114,7 @@ services:
       target: test
       args:
         USE_CHINA_MIRRORS: ${USE_CHINA_MIRRORS:-true}
+        UV_VERSION: ${UV_VERSION:-0.13.5}
     profiles: ["test"]
     entrypoint: ["python", "-m", "pytest"]