fix(build): Fix mkdocs action build workflow.

.github/workflows/deploy_docs.yml

@@ -4,16 +4,21 @@ on:
   push:
     branches:
       - master
+  pull_request:
+    branches:
+      - master
 
 permissions:
   contents: write
 
 jobs:
-  build-deploy:
-    runs-on: ubuntu-latest
+  build:
+    runs-on: ubuntu-22.04
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
 
       - name: Setup Python
         uses: actions/setup-python@v5
@@ -22,9 +27,37 @@ jobs:
 
       - name: Install dependencies
         run: |
-          pip install mkdocs-material
-          pip install mkdocstrings[python]
-          pip install mkdocs-git-revision-date-localized-plugin
+          pip install --upgrade pip
+          pip install mkdocs-material mkdocstrings[python] mkdocs-git-revision-date-localized-plugin
+
+      - name: Set PYTHONPATH
+        run: echo "PYTHONPATH=$(pwd)" >> $GITHUB_ENV
+
+      - name: Build docs
+        run: mkdocs build
+
+  deploy:
+    needs: build
+    if: github.event_name == 'push' && github.ref == 'refs/heads/master'
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.10'
+
+      - name: Install dependencies
+        run: |
+          pip install --upgrade pip
+          pip install mkdocs-material mkdocstrings[python] mkdocs-git-revision-date-localized-plugin
+
+      - name: Set PYTHONPATH
+        run: echo "PYTHONPATH=$(pwd)" >> $GITHUB_ENV
 
-      - name: Deploy documentation
+      - name: Deploy docs
         run: mkdocs gh-deploy --force

docs/index.md

@@ -14,7 +14,7 @@ hide:
 [![🤗 Hugging Face](https://img.shields.io/badge/🤗-Asset_Gallery-blue)](https://huggingface.co/spaces/HorizonRobotics/EmbodiedGen-Gallery-Explorer)
 [![中文介绍](https://img.shields.io/badge/中文介绍-07C160?logo=wechat&logoColor=white)](https://mp.weixin.qq.com/s/HH1cPBhK2xcDbyCK4BBTbw)
 
-*EmbodiedGen*: Towards a Generative 3D World Engine for Embodied Intelligence
+*EmbodiedGen*: Towards a Generative 3D World Engine for Embodied Intelligence.
 
 <img src="assets/overall.jpg" alt="Overall Framework" width="700"/>