diff --git a/.gitea/workflows/server-build.yml b/.gitea/workflows/server-build.yml
index ae0459c..6fd9dd4 100644
--- a/.gitea/workflows/server-build.yml
+++ b/.gitea/workflows/server-build.yml
@@ -68,26 +68,40 @@ jobs:
             echo "IMAGE_TAG=${NEXT_TAG}" >> "$GITEA_ENV"
           fi
 
-      # 3️⃣ 设置 Docker 镜像名称
+      # 3️⃣ 设置镜像仓库与镜像名称（自建 Registry / Docker Hub 都可）
       - name: Set image variables
         shell: bash
         run: |
-          # 修改为你的 Docker Hub 仓库名，例如：yourname/mindfulness-server
-          IMAGE_NAME=docker.damer.fun/damer/mindfulness-server
+          # 自建镜像仓库地址（例如：docker.damer.fun 或 registry.example.com）
+          # 如要推送 Docker Hub：可把 REGISTRY 留空并把 IMAGE_REPO 设置为 yourname/xxx
+          REGISTRY="${DOCKER_REGISTRY:-docker.damer.fun}"
+          # 镜像仓库路径（不含 registry）
+          IMAGE_REPO="${DOCKER_IMAGE_REPO:-damer/mindfulness-server}"
+
+          if [[ -n "$REGISTRY" ]]; then
+            IMAGE_NAME="$REGISTRY/$IMAGE_REPO"
+          else
+            IMAGE_NAME="$IMAGE_REPO"
+          fi
+
           if [[ -n "${GITHUB_ENV:-}" ]]; then
+            echo "REGISTRY=$REGISTRY" >> "$GITHUB_ENV"
+            echo "IMAGE_REPO=$IMAGE_REPO" >> "$GITHUB_ENV"
             echo "IMAGE_NAME=$IMAGE_NAME" >> "$GITHUB_ENV"
           fi
           if [[ -n "${GITEA_ENV:-}" ]]; then
+            echo "REGISTRY=$REGISTRY" >> "$GITEA_ENV"
+            echo "IMAGE_REPO=$IMAGE_REPO" >> "$GITEA_ENV"
             echo "IMAGE_NAME=$IMAGE_NAME" >> "$GITEA_ENV"
           fi
 
-      # 4️⃣ 登录 Docker Hub
-      - name: Login to Docker Hub
+      # 4️⃣ 登录镜像仓库（自建 Registry）
+      - name: Login to Docker Registry
         uses: docker/login-action@v3
         with:
           registry: docker.damer.fun
-          username: ${{ secrets.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_TOKEN }}
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_TOKEN }}
 
       # 5️⃣ 构建 Docker 镜像（使用 server/ 作为构建上下文）
       - name: Build Docker Image
@@ -95,7 +109,7 @@ jobs:
         run: |
           docker build -f server/Dockerfile -t "$IMAGE_NAME:$IMAGE_TAG" server
 
-      # 6️⃣ 推送 Docker 镜像到 Docker Hub
+      # 6️⃣ 推送 Docker 镜像到镜像仓库
       - name: Push Docker Image
         shell: bash
         run: |