diff --git a/.gitea/workflows/deploy-backend.yml b/.gitea/workflows/deploy-backend.yml
index d157253..4e8b6f6 100644
--- a/.gitea/workflows/deploy-backend.yml
+++ b/.gitea/workflows/deploy-backend.yml
@@ -25,6 +25,30 @@ jobs:
 
       - name: 🐳 设置 Docker Buildx
         uses: docker/setup-buildx-action@v3
+        with:
+          driver-opts: |
+            image=moby/buildkit:master
+            network=host
+
+      - name: 🔧 配置 Docker 镜像代理
+        run: |
+          # 创建 Docker daemon 配置文件
+          sudo mkdir -p /etc/docker
+          sudo tee /etc/docker/daemon.json <<EOF
+          {
+            "registry-mirrors": [
+              "https://registry.cn-hangzhou.aliyuncs.com",
+              "https://docker.mirrors.ustc.edu.cn",
+              "https://hub-mirror.c.163.com"
+            ]
+          }
+          EOF
+          
+          # 重启 Docker 服务
+          sudo systemctl restart docker || true
+          
+          # 验证配置
+          docker info | grep -A 5 "Registry Mirrors" || true
 
       - name: 🔑 登录到镜像仓库
         uses: docker/login-action@v3
diff --git a/backend/Dockerfile b/backend/Dockerfile
index e3c0472..18d624d 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -2,7 +2,7 @@
 # 多阶段构建，优化镜像大小和安全性
 
 # Stage 1: 构建阶段
-FROM golang:1.23-alpine AS builder
+FROM registry.cn-hangzhou.aliyuncs.com/library/golang:1.23-alpine AS builder
 
 # 设置工作目录
 WORKDIR /app