diff --git a/build.sh b/build.sh
index 13bf200..dde7a2d 100755
--- a/build.sh
+++ b/build.sh
@@ -335,14 +335,18 @@ save_image() {
 }
 
 # ================================================
-# 主流程控制
+# 主流程控制（函数化）
 # ================================================
 
-# Git更新（可选）
-if [ "${DO_BUILD}" = true ]; then
+git_update_if_needed() {
+    # Git更新（可选）
+    if [ "${DO_BUILD}" != true ]; then
+        return
+    fi
+
     log_step "Git Pull"
     cd "${PROJECT_ROOT}"
-    
+
     if [[ $(git status --porcelain) ]]; then
         log_warn "检测到未提交的更改"
         read -p "是否继续拉取代码？(y/n): " -n 1 -r
@@ -356,73 +360,97 @@ if [ "${DO_BUILD}" = true ]; then
         git pull origin main 2>/dev/null || git pull origin master 2>/dev/null || true
     fi
     echo ""
-fi
+}
+
+run_compile() {
+    # 执行编译
+    if [ "${DO_BUILD}" != true ]; then
+        return
+    fi
 
-# 执行编译
-if [ "${DO_BUILD}" = true ]; then
     case ${BUILD_TARGET} in
-        serv|all)
+        serv)
+            compile_serv
+            ;;
+        web)
+            compile_web
+            ;;
+        all)
             compile_serv
-            ;&  # fallthrough
-        web|all)
             compile_web
             ;;
     esac
-fi
+}
 
-# 执行镜像构建
-case ${BUILD_TARGET} in
-    base-serv)
-        build_base_serv
-        ;;
-    mysql)
-        build_mysql
-        ;;
-    serv)
-        build_serv
-        ;;
-    web)
-        build_web
-        ;;
-    all)
-        build_mysql
-        build_serv
-        build_web
-        ;;
-    *)
-        log_error "未知的构建目标: ${BUILD_TARGET}"
-        echo ""
-        echo "可用的构建目标："
-        echo "  base-serv  - 构建后端基础镜像（包含Python依赖）"
-        echo "  mysql      - 构建MySQL镜像"
-        echo "  serv       - 构建后端服务镜像"
-        echo "  web        - 构建前端服务镜像（基于node:20-alpine）"
-        echo "  all        - 构建所有应用镜像（默认）"
-        echo ""
-        echo "注意："
-        echo "  - Nginx使用官方镜像 nginx:alpine，无需构建"
-        echo "  - Web基于官方Node镜像 node:20-alpine，无需base-web"
-        exit 1
-        ;;
-esac
+run_build_images() {
+    # 执行镜像构建
+    case ${BUILD_TARGET} in
+        base-serv)
+            build_base_serv
+            ;;
+        mysql)
+            build_mysql
+            ;;
+        serv)
+            build_serv
+            ;;
+        web)
+            build_web
+            ;;
+        all)
+            build_mysql
+            build_serv
+            build_web
+            ;;
+        *)
+            log_error "未知的构建目标: ${BUILD_TARGET}"
+            echo ""
+            echo "可用的构建目标："
+            echo "  base-serv  - 构建后端基础镜像（包含Python依赖）"
+            echo "  mysql      - 构建MySQL镜像"
+            echo "  serv       - 构建后端服务镜像"
+            echo "  web        - 构建前端服务镜像（基于node:20-alpine）"
+            echo "  all        - 构建所有应用镜像（默认）"
+            echo ""
+            echo "注意："
+            echo "  - Nginx使用官方镜像 nginx:alpine，无需构建"
+            echo "  - Web基于官方Node镜像 node:20-alpine，无需base-web"
+            exit 1
+            ;;
+    esac
+}
 
-# 查看镜像信息
-log_info "Docker镜像列表:"
-docker images | grep -E "school-news-" | head -15
-echo ""
+show_images_info() {
+    # 查看镜像信息
+    log_info "Docker镜像列表:"
+    docker images | grep -E "school-news-" | head -15
+    echo ""
+}
 
-# 保存镜像
-if [ "${DO_SAVE}" = true ]; then
-    save_images
-fi
+print_summary() {
+    # 构建完成
+    echo "=========================================="
+    log_info "✅ 构建完成！"
+    echo "=========================================="
+    log_info "构建目标: ${BUILD_TARGET}"
+    log_info "构建版本: ${IMAGE_VERSION}"
+    log_info "输出目录: ${BUILD_OUTPUT}"
+    echo "=========================================="
+}
+
+main() {
+    git_update_if_needed
+    run_compile
+    run_build_images
+    show_images_info
+
+    # 保存镜像（可选）
+    if [ "${DO_SAVE}" = true ]; then
+        save_images
+    fi
+
+    print_summary
+}
+
+main
 
-# ================================================
-# 构建完成
-# ================================================
-echo "=========================================="
-log_info "✅ 构建完成！"
-echo "=========================================="
-log_info "构建目标: ${BUILD_TARGET}"
-log_info "构建版本: ${IMAGE_VERSION}"
-log_info "输出目录: ${BUILD_OUTPUT}"
-echo "=========================================="
diff --git a/docker/Dockerfile.base-serv b/docker/Dockerfile.base-serv
index d864ab4..05dfed9 100644
--- a/docker/Dockerfile.base-serv
+++ b/docker/Dockerfile.base-serv
@@ -33,6 +33,8 @@ COPY schoolNewsCrawler/requirements.txt /tmp/requirements.txt
 RUN echo "========================================" && \
     echo "安装Python爬虫依赖到基础镜像" && \
     echo "========================================" && \
+    # 配置pip使用国内镜像源（清华源）
+    python3 -m pip config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple && \
     python3 -m pip --version && \
     echo "" && \
     # Python 3.12 引入了 PEP 668 规范，需要添加 --break-system-packages
diff --git a/docker/Dockerfile.web b/docker/Dockerfile.web
index 9c9c366..54a8b3e 100644
--- a/docker/Dockerfile.web
+++ b/docker/Dockerfile.web
@@ -9,8 +9,10 @@ FROM node:20-alpine
 ENV TZ=Asia/Shanghai \
     NODE_ENV=production
 
-# 安装基础工具
-RUN apk add --no-cache tzdata bash curl && \
+# 配置国内镜像源并安装基础工具
+RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.ustc.edu.cn/g' /etc/apk/repositories && \
+    apk update && \
+    apk add --no-cache tzdata bash curl && \
     ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && \
     echo "Asia/Shanghai" > /etc/timezone
 
@@ -24,7 +26,8 @@ RUN mkdir -p /app/dist /app/config /app/logs
 COPY schoolNewsWeb/package*.json ./
 
 # 安装生产依赖（包括vite用于preview）
-RUN npm ci --only=production && \
+RUN npm config set registry https://registry.npmmirror.com && \
+    npm ci --only=production && \
     npm install -g vite
 
 # 从主机复制已构建的dist目录