diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index a96eed9..f2bf75b 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -7,6 +7,12 @@ on:
       - "docs-site/**"
       - "crates/reclink-wasm/**"
       - ".github/workflows/docs.yml"
+  pull_request:
+    branches: [master]
+    paths:
+      - "docs-site/**"
+      - "crates/reclink-wasm/**"
+      - ".github/workflows/docs.yml"
   workflow_dispatch:
 
 permissions:
@@ -15,8 +21,8 @@ permissions:
   id-token: write
 
 concurrency:
-  group: pages
-  cancel-in-progress: false
+  group: pages-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
 
 jobs:
   build:
@@ -56,6 +62,7 @@ jobs:
           path: docs-site/build
 
   deploy:
+    if: github.event_name == 'push' && github.ref == 'refs/heads/master'
     needs: build
     runs-on: ubuntu-latest
     environment:
diff --git a/docs-site/package-lock.json b/docs-site/package-lock.json
index 312a23a..f7fc040 100644
--- a/docs-site/package-lock.json
+++ b/docs-site/package-lock.json
@@ -13,7 +13,7 @@
         "@docusaurus/theme-mermaid": "3.9.2",
         "@easyops-cn/docusaurus-search-local": "^0.55.0",
         "@mdx-js/react": "^3.0.0",
-        "@mermaid-js/layout-elk": "^0.2.1",
+        "@mermaid-js/layout-elk": "^0.1.9",
         "clsx": "^2.0.0",
         "prism-react-renderer": "^2.3.0",
         "react": "^19.0.0",
@@ -4888,9 +4888,9 @@
       }
     },
     "node_modules/@mermaid-js/layout-elk": {
-      "version": "0.2.1",
-      "resolved": "https://registry.npmjs.org/@mermaid-js/layout-elk/-/layout-elk-0.2.1.tgz",
-      "integrity": "sha512-MX9jwhMyd5zDcFsYcl3duDUkKhjVRUCGEQrdCeNV5hCIR6+3FuDDbRbFmvVbAu15K1+juzsYGG+K8MDvCY1Amg==",
+      "version": "0.1.9",
+      "resolved": "https://registry.npmjs.org/@mermaid-js/layout-elk/-/layout-elk-0.1.9.tgz",
+      "integrity": "sha512-HuvaqFZBr6yT9PpWYockvKAZPJVd89yn/UjOYPxhzbZxlybL2v+2BjVCg7MVH6vRs1irUohb/s42HEdec1CCZw==",
       "license": "MIT",
       "dependencies": {
         "d3": "^7.9.0",
diff --git a/docs-site/package.json b/docs-site/package.json
index e9901e7..1273a87 100644
--- a/docs-site/package.json
+++ b/docs-site/package.json
@@ -19,7 +19,7 @@
     "@docusaurus/preset-classic": "3.9.2",
     "@docusaurus/theme-mermaid": "3.9.2",
     "@easyops-cn/docusaurus-search-local": "^0.55.0",
-    "@mermaid-js/layout-elk": "^0.2.1",
+    "@mermaid-js/layout-elk": "^0.1.9",
     "@mdx-js/react": "^3.0.0",
     "clsx": "^2.0.0",
     "prism-react-renderer": "^2.3.0",