diff --git a/.github/workflows/preview-pdf.yml b/.github/workflows/preview-pdf.yml
index 0eaec62..c086c08 100644
--- a/.github/workflows/preview-pdf.yml
+++ b/.github/workflows/preview-pdf.yml
@@ -40,7 +40,7 @@ jobs:
       - name: Build latest preview PDF
         run: |
           mkdir -p dist
-          mdpress build --format pdf --output dist/latest.pdf
+          mdpress build --format pdf --output dist/docker_practice.pdf
 
       - name: Write release notes
         run: |
@@ -70,5 +70,8 @@ jobs:
             --prerelease \
             --target "$GITHUB_SHA"
 
+      - name: Remove legacy preview asset
+        run: gh release delete-asset preview-pdf latest.pdf -y || true
+
       - name: Upload preview PDF
-        run: gh release upload preview-pdf dist/latest.pdf --clobber
+        run: gh release upload preview-pdf dist/docker_practice.pdf --clobber
diff --git a/README.md b/README.md
index dc5dfb6..0f70c47 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@
 
 本书提供 PDF 版本供离线阅读，可前往 [GitHub Releases](https://github.com/yeasy/docker_practice/releases/latest) 页面下载最新版本。
 
-如需获取默认分支自动更新的预览版，可直接下载 [latest preview PDF](https://github.com/yeasy/docker_practice/releases/download/preview-pdf/latest.pdf)。该文件会随主线更新覆盖，不代表正式发布版本。
+如需获取默认分支自动更新的预览版，可直接下载 [docker_practice.pdf](https://github.com/yeasy/docker_practice/releases/download/preview-pdf/docker_practice.pdf)。该文件会随主线更新覆盖，不代表正式发布版本。
 
 [Docker](https://www.docker.com) 是个划时代的开源项目，它彻底释放了计算虚拟化的威力，极大提高了应用的维护效率，降低了云计算应用开发的成本！使用 Docker，可以让应用的部署、测试和分发都变得前所未有的高效和轻松！