diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a7f338c..37681b7 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -10,6 +10,7 @@ jobs:
         run: |
           workdirr=${{ github.workspace }}
           echo $workdirr
+          docker run --rm -v "$workdirr:$workdirr" -w $workdirr ghcr.io/xu-cheng/texlive-full:latest ls -la $workdirr
           docker run --rm -v "$workdirr:$workdirr" -w $workdirr ghcr.io/xu-cheng/texlive-full:latest latexmk -pdf -xelatex -shell-escape src/main.tex
           
       - name: Upload PDF file