diff --git a/.github/workflows/code-quality.yml b/.github/workflows/code-quality.yml
index 6e9f699..57c0f44 100644
--- a/.github/workflows/code-quality.yml
+++ b/.github/workflows/code-quality.yml
@@ -2,16 +2,17 @@ name: Code Quality Check
 
 on:
   pull_request:
-    types: [opened, synchronize, reopened]
-    branches: [ main, master ]
+    branches:
+      - main
   push:
-    branches: [ main, master ]
+    branches:
+      - main
 
-permissions:
-  contents: read
-  pull-requests: write
-  checks: write
-  actions: read
+# permissions:
+#   contents: read
+#   pull-requests: write
+#   checks: write
+#   actions: read
 
 jobs:
   checkstyle:
@@ -47,7 +48,7 @@ jobs:
         if: always()
         with:
           name: checkstyle-results
-          path: |  
+          path: |
             **/target/checkstyle-result.xml
             **/target/site/checkstyle.html
           retention-days: 7
diff --git a/.github/workflows/test_compatibility.yml b/.github/workflows/test_compatibility.yml
index f8d8ab9..7a5e401 100644
--- a/.github/workflows/test_compatibility.yml
+++ b/.github/workflows/test_compatibility.yml
@@ -9,20 +9,44 @@ on:
       - main
 
 jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          java-version: '17'
+          distribution: 'temurin'
+          cache: maven
+      - name: Build with Maven
+        run: mvn clean install -DskipTests
+      - name: Upload JAR artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: databend-jdbc-jars
+          path: |
+            databend-jdbc/target/*.jar
+          retention-days: 1
+
   test:
     runs-on: ubuntu-latest
+    needs: build
     strategy:
       fail-fast: false
       matrix:
         server:
           - "nightly"
           - "v1.2.790-nightly"
-        driver:
-          - "0.4.0"
-          - "0.3.9"
     steps:
       - uses: actions/checkout@v4
 
+      - name: Download JAR artifacts
+        uses: actions/download-artifact@v4
+        with:
+          name: databend-jdbc-jars
+          path: databend-jdbc/target/
+
       - name: Set up JDK 17
         uses: actions/setup-java@v4
         with:
@@ -38,10 +62,6 @@ jobs:
         env:
           DATABEND_QUERY_VERSION: ${{ matrix.server }}
 
-      - name: Test with conn to nginx
-        run: mvn clean package -DskipTests
-        env:
-          MAVEN_GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
 
       - name: Test with conn to nginx
         working-directory: tests/compatibility
@@ -50,5 +70,4 @@ jobs:
           MAVEN_GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
           DATABEND_TEST_CONN_PORT: 8000
           DATABEND_QUERY_VERSION: ${{ matrix.server }}
-          DATABEND_JDBC_VERSION: ${{ matrix.driver }}
           TEST_SIDE: "driver"
diff --git a/tests/compatibility/test_compatibility.sh b/tests/compatibility/test_compatibility.sh
index 75f016e..90dc65c 100644
--- a/tests/compatibility/test_compatibility.sh
+++ b/tests/compatibility/test_compatibility.sh
@@ -21,18 +21,9 @@ JDBC_VER=${DATABEND_JDBC_VERSION:-$CURRENT_VERSION}
 JDBC_JAR="databend-jdbc-${JDBC_VER}.jar"
 JDBC_TEST_JAR="databend-jdbc-${TEST_VER}-tests.jar"
 
-if [ "$TEST_SIDE" = "server" ]; then
-    curl -sSLfO "https://github.com/databendlabs/databend-jdbc/releases/download/v${TEST_VER}/${JDBC_TEST_JAR}"
-else
-    cp "../../databend-jdbc/target/${JDBC_TEST_JAR}" .
-fi
-
-if [ -z "DATABEND_JDBC_VERSION" ]; then
-    # test main branch
-    cp "../../databend-jdbc/target/${JDBC_JAR}" .
-else
-    curl -sSLfO "https://github.com/databendlabs/databend-jdbc/releases/download/v${JDBC_VER}/${JDBC_JAR}"
-fi
+# Always use local artifacts (built in CI or local dev)
+cp ../../databend-jdbc/target/databend-jdbc-${TEST_VER}-tests.jar databend-jdbc-tests.jar
+cp "../../databend-jdbc/target/${JDBC_JAR}" .
 
 export DATABEND_JDBC_VERSION=$JDBC_VER
 java -Dlogback.logger.root=INFO -cp "testng.jar:slf4j-api.jar:${JDBC_JAR}:${JDBC_TEST_JAR}:jcommander.jar:semver4j.jar" org.testng.TestNG testng.xml