diff --git a/mkdocs.yml b/mkdocs.yml
index 4de4872aea1..52dd9720027 100755
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -448,6 +448,11 @@ plugins:
       output_path: pdf/NebulaGraph-EN.pdf
       show_anchors: true
       render_js: true
+      headless_chrome_path: headless-chromium
+      enabled_if_env: ENABLE_PDF_EXPORT
+      #debug_html: true
+      #show_anchors: true
+      #verbose: true
 
 google_analytics:
   - UA-60523578-16