diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 427f4ed..164235c 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -32,12 +32,18 @@ jobs:
           export JAVA_HOME=/usr/lib/jvm/java-17-openjdk-amd64
           yes | sdk/cmdline-tools/bin/sdkmanager --sdk_root=`pwd`/sdk --licenses
           ./gradlew assembleRelease
-          cp app/build/outputs/apk/release/hev.sockstun-*-release.apk hev.sockstun-${{ github.ref_name }}-release.apk
+          if [[ "${{ github.event_name }}" == "pull_request" ]]; then
+            file_name="pr-${{ github.event.pull_request.number }}"
+          else
+            file_name="${{ github.ref_name }}"
+          fi
+          echo "file_name=${file_name}" >> $GITHUB_ENV
+          cp app/build/outputs/apk/release/hev.sockstun-*-release.apk hev.sockstun-${file_name}-release.apk
       - name: Upload
         uses: actions/upload-artifact@v4
         with:
-          name: hev.sockstun-${{ github.ref_name }}-release.apk
-          path: hev.sockstun-${{ github.ref_name }}-release.apk
+          name: hev.sockstun-${{ env.file_name }}-release.apk
+          path: hev.sockstun-${{ env.file_name }}-release.apk
           if-no-files-found: error
           retention-days: 1