[ci skip] add pr-check

.github/workflows/main.yml

@@ -6,6 +6,9 @@ on:
       - main
     paths-ignore:
       - 'README*.md'
+  pull_request:
+    branches:
+      - main
 
 jobs:
   build:
@@ -42,6 +45,7 @@ jobs:
       run: echo "PROJECT_NAME=$(mvn help:evaluate -Dexpression=project.name -q -DforceStdout)" >> $GITHUB_ENV
 
     - name: Create GitHub Release
+      if: github.event_name == 'push' && github.ref == 'refs/heads/main'
       id: create_release
       uses: actions/create-release@v1
       env:
@@ -49,7 +53,9 @@ jobs:
       with:
         tag_name: v${{ env.PROJECT_VERSION }}
         release_name: ${{ env.PROJECT_NAME }}-${{ env.PROJECT_VERSION }}
+
     - name: Upload Artifact to GitHub Release
+      if: github.event_name == 'push' && github.ref == 'refs/heads/main'
       uses: actions/upload-release-asset@v1
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
@@ -58,5 +64,3 @@ jobs:
         asset_path: ./target/${{ env.PROJECT_NAME }}-${{ env.PROJECT_VERSION }}.jar
         asset_name: ${{ env.PROJECT_NAME }}-${{ env.PROJECT_VERSION }}.jar
         asset_content_type: application/java-archive
-
-