fix(build): java version

Author: Xzavier0722

pom.xml

@@ -9,7 +9,7 @@
     <version>1.0.0</version>
 
     <properties>
-        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.source>16</maven.compiler.source>
         <maven.compiler.target>16</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>