resolve issues in docs

Author: wangcj05

.github/workflows/sphinx.yml

@@ -17,9 +17,10 @@ jobs:
         auto-update-conda: true
         activate-environment: dackar_libs
         auto-activate-base: false
-    - run: conda install -c conda-forge pandoc python=3.11
     - name: Build HTML
       uses: ammaraskar/sphinx-action@master
+      with:
+        pre-build-command: conda install -c conda-forge pandoc python=3.11
     - name: Upload artifacts
       uses: actions/upload-artifact@v4
       with: