diff --git a/.github/workflows/compile-latex.yaml b/.github/workflows/compile-latex.yaml
index c012a5c..546b3cf 100644
--- a/.github/workflows/compile-latex.yaml
+++ b/.github/workflows/compile-latex.yaml
@@ -35,4 +35,6 @@ jobs:
       - name: Upload PDF file
         uses: actions/upload-artifact@v4
         with:
+          name: main.pdf
           path: main.pdf
+          compression-level: 0 # pdf is already compressed
diff --git a/.vscode/extensions.json b/.vscode/extensions.json
new file mode 100644
index 0000000..ae4d31e
--- /dev/null
+++ b/.vscode/extensions.json
@@ -0,0 +1,5 @@
+{
+    "recommendations": [
+        "james-yu.latex-workshop"
+    ]
+}
\ No newline at end of file