fix

Author: Mryan2005

pom.xml

@@ -8,6 +8,13 @@
     <artifactId>javaKit</artifactId>
     <version>1.0-SNAPSHOT</version>
 
+    <properties>
+        <java.version>21</java.version>
+        <maven.compiler.source>21</maven.compiler.source>
+        <maven.compiler.target>21</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
     <dependencies>
         <dependency>
             <groupId>commons-codec</groupId>
@@ -16,10 +23,18 @@
         </dependency>
     </dependencies>
 
-    <properties>
-        <maven.compiler.source>21</maven.compiler.source>
-        <maven.compiler.target>21</maven.compiler.target>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    </properties>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.9.9</version> <!-- 显式指定一个兼容的版本 -->
+                <configuration>
+                    <source>${java.version}</source>
+                    <target>${java.version}</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
 
 </project>