diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index 9c5cb64..eee9105 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -1,8 +1,14 @@
 name: Build and Publish MicroWARP
 
+# ==========================================
+# 触发条件：
+# 1. 每次 Push 代码到 main, master 或 dev 分支
+# 2. 发布 Release 版本时
+# 3. 手动点击触发按钮
+# ==========================================
 on:
   push:
-    branches: [ "main", "master" ]
+    branches:[ "main", "master", "dev" ]
   release:
     types: [published]
   workflow_dispatch:
@@ -14,31 +20,44 @@ env:
 jobs:
   build-and-push:
     runs-on: ubuntu-latest
+    
     permissions:
       contents: read
       packages: write
+
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
+
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
+
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
+
       - name: Log in to the Container registry
         uses: docker/login-action@v3
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
-      - name: Extract metadata
+
+      - name: Extract metadata (tags, labels) for Docker
         id: meta
         uses: docker/metadata-action@v5
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
           tags: |
+            # 1. 如果是打 Tag 发版，生成严格的版本号标签 (如 1.0.0)
             type=semver,pattern={{version}}
-            type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) || github.event_name == 'release' || github.event_name == 'workflow_dispatch' }}
-      - name: Build and push
+            
+            # 2. 【核心隔离】仅当 Push 到 main/master，或发版时，才打 latest 标签！
+            type=raw,value=latest,enable=${{ github.ref == 'refs/heads/main' || github.ref == 'refs/heads/master' || github.event_name == 'release' }}
+            
+            # 3. 【新增分支】仅当 Push 到 dev 分支时，才打 dev 标签！(绝不污染 latest)
+            type=raw,value=dev,enable=${{ github.ref == 'refs/heads/dev' }}
+
+      - name: Build and push Docker image
         uses: docker/build-push-action@v5
         with:
           context: .