diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 514062b6..6c599e39 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -40,9 +40,6 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v3
 
-      - name: Setup Gradle
-        uses: gradle/gradle-build-action@v2
-
       - name: Set up JDK ${{ matrix.java }}
         uses: actions/setup-java@v3
         with:
diff --git a/eventmesh-dashboard-common/pom.xml b/eventmesh-dashboard-common/pom.xml
index 35e0ee65..3ac99406 100644
--- a/eventmesh-dashboard-common/pom.xml
+++ b/eventmesh-dashboard-common/pom.xml
@@ -13,8 +13,8 @@
     <artifactId>eventmesh-dashboard-common</artifactId>
 
     <properties>
-        <maven.compiler.source>17</maven.compiler.source>
-        <maven.compiler.target>17</maven.compiler.target>
+        <maven.compiler.source>8</maven.compiler.source>
+        <maven.compiler.target>8</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
 
diff --git a/eventmesh-dashboard-console/pom.xml b/eventmesh-dashboard-console/pom.xml
index 465db413..bf8d54f6 100644
--- a/eventmesh-dashboard-console/pom.xml
+++ b/eventmesh-dashboard-console/pom.xml
@@ -13,8 +13,8 @@
     <artifactId>eventmesh-dashboard-console</artifactId>
 
     <properties>
-        <maven.compiler.source>17</maven.compiler.source>
-        <maven.compiler.target>17</maven.compiler.target>
+        <maven.compiler.source>8</maven.compiler.source>
+        <maven.compiler.target>8</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
 
diff --git a/eventmesh-dashboard-observe/pom.xml b/eventmesh-dashboard-observe/pom.xml
index e8c3442b..b2292ab6 100644
--- a/eventmesh-dashboard-observe/pom.xml
+++ b/eventmesh-dashboard-observe/pom.xml
@@ -13,8 +13,8 @@
     <artifactId>eventmesh-dashboard-observe</artifactId>
 
     <properties>
-        <maven.compiler.source>17</maven.compiler.source>
-        <maven.compiler.target>17</maven.compiler.target>
+        <maven.compiler.source>8</maven.compiler.source>
+        <maven.compiler.target>8</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
 
diff --git a/eventmesh-dashboard-service/pom.xml b/eventmesh-dashboard-service/pom.xml
index 6a599d77..5cde5ba0 100644
--- a/eventmesh-dashboard-service/pom.xml
+++ b/eventmesh-dashboard-service/pom.xml
@@ -13,8 +13,8 @@
     <artifactId>eventmesh-dashboard-service</artifactId>
 
     <properties>
-        <maven.compiler.source>17</maven.compiler.source>
-        <maven.compiler.target>17</maven.compiler.target>
+        <maven.compiler.source>8</maven.compiler.source>
+        <maven.compiler.target>8</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>