From 195f5c46576997aaacca7aec68decf6191f41e1e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=A8=E7=BF=8A=20SionYang?= <xiweng.yy@alibaba-inc.com>
Date: Wed, 21 Aug 2024 10:05:16 +0800
Subject: [PATCH] checkout pr code to do ci. (#12529)

---
 .github/workflows/ci.yml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fb98d40e445..49caa62ada9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -26,8 +26,12 @@ jobs:
           key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
           restore-keys: |
             ${{ runner.os }}-maven-
+      - if: github.event_name == 'pull_request_target'
+        run: echo "REF=refs/pull/${{ github.event.number }}/merge" >> "$GITHUB_ENV"
       - name: "Checkout"
         uses: actions/checkout@v4
+        with:
+          ref: ${{ env.REF }}
       - name: "Set up JDK ${{ matrix.java }}"
         uses: actions/setup-java@v4
         with: