diff --git a/qing-yu-club-subject/qing-yu-club-domain/pom.xml b/qing-yu-club-subject/qing-yu-club-domain/pom.xml
index 736a781..d66ba14 100644
--- a/qing-yu-club-subject/qing-yu-club-domain/pom.xml
+++ b/qing-yu-club-subject/qing-yu-club-domain/pom.xml
@@ -7,9 +7,9 @@
         <version>1.0-SNAPSHOT</version>
     </parent>
     <properties>
-        <maven.compiler.source>11</maven.compiler.source>
-        <maven.compiler.target>11</maven.compiler.target>
-        <java.version>11</java.version>
+        <maven.compiler.source>8</maven.compiler.source>
+        <maven.compiler.target></maven.compiler.target>
+        <java.version>1.8</java.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <spring-boot.version>2.4.2</spring-boot.version>
diff --git a/qing-yu-club-subject/qing-yu-club-infra/pom.xml b/qing-yu-club-subject/qing-yu-club-infra/pom.xml
index 6abe6fc..2778146 100644
--- a/qing-yu-club-subject/qing-yu-club-infra/pom.xml
+++ b/qing-yu-club-subject/qing-yu-club-infra/pom.xml
@@ -14,9 +14,9 @@
     <url>http://maven.apache.org</url>
 
     <properties>
-        <maven.compiler.source>11</maven.compiler.source>
-        <maven.compiler.target>11</maven.compiler.target>
-        <maven.compiler.compilerVersion>11</maven.compiler.compilerVersion>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
+        <maven.compiler.compilerVersion>1.8</maven.compiler.compilerVersion>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
     </properties>
diff --git a/qing-yu-club-subject/qing-yu-club-starter/pom.xml b/qing-yu-club-subject/qing-yu-club-starter/pom.xml
index 55814bb..5f1b0d2 100644
--- a/qing-yu-club-subject/qing-yu-club-starter/pom.xml
+++ b/qing-yu-club-subject/qing-yu-club-starter/pom.xml
@@ -14,9 +14,9 @@
     <url>http://maven.apache.org</url>
 
     <properties>
-        <maven.compiler.source>11</maven.compiler.source>
-        <maven.compiler.target>11</maven.compiler.target>
-        <java.version>11</java.version>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
+        <java.version>1.8</java.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <spring-boot.version>2.4.2</spring-boot.version>