diff --git a/.gitea/workflows/demo.yaml b/.gitea/workflows/demo.yaml
index b55894c..4746508 100644
--- a/.gitea/workflows/demo.yaml
+++ b/.gitea/workflows/demo.yaml
@@ -8,9 +8,8 @@ jobs:
     steps:
       - name: check out repo
         uses: actions/checkout@v3
-  compile:
-    container:
-      image: aergus/latex
-    steps:
-      - name: Set up Git repository
-        run: latexmk main.tex
+      - name: upload
+        uses: actions/upload-artifact@v3
+        with:
+          name: artifact.tex
+          path: main.tex