diff --git a/spring-cloud-starter-tencent-polaris-config/src/test/java/com/tencent/cloud/polaris/config/condition/ConditionalOnReflectRefreshTypeTest.java b/spring-cloud-starter-tencent-polaris-config/src/test/java/com/tencent/cloud/polaris/config/condition/ConditionalOnReflectRefreshTypeTest.java
index c12be139b..b5c896bf1 100644
--- a/spring-cloud-starter-tencent-polaris-config/src/test/java/com/tencent/cloud/polaris/config/condition/ConditionalOnReflectRefreshTypeTest.java
+++ b/spring-cloud-starter-tencent-polaris-config/src/test/java/com/tencent/cloud/polaris/config/condition/ConditionalOnReflectRefreshTypeTest.java
@@ -50,13 +50,15 @@ import static org.assertj.core.api.Assertions.assertThat;
  */
 public class ConditionalOnReflectRefreshTypeTest {
 
+	private static final int PORT = 18093;
+
 	private static ServerSocket serverSocket;
 
 	@BeforeClass
 	public static void before() {
 		new Thread(() -> {
 			try {
-				serverSocket = new ServerSocket(18093);
+				serverSocket = new ServerSocket(PORT);
 				serverSocket.accept();
 			}
 			catch (IOException e) {
@@ -81,7 +83,8 @@ public class ConditionalOnReflectRefreshTypeTest {
 				.withPropertyValues("server.port=" + 8080)
 				.withPropertyValues("spring.cloud.polaris.address=grpc://127.0.0.1:10081")
 				.withPropertyValues("spring.cloud.polaris.config.refresh-type=" + RefreshType.REFLECT)
-				.withPropertyValues("spring.cloud.polaris.config.enabled=true");
+				.withPropertyValues("spring.cloud.polaris.config.enabled=true")
+				.withPropertyValues("spring.cloud.polaris.config.port=" + PORT);
 		contextRunner.run(context -> {
 			assertThat(context).hasSingleBean(PlaceholderHelper.class);
 			assertThat(context).hasSingleBean(SpringValueRegistry.class);
diff --git a/spring-cloud-starter-tencent-polaris-config/src/test/java/com/tencent/cloud/polaris/config/spring/annotation/SpringValueProcessorTest.java b/spring-cloud-starter-tencent-polaris-config/src/test/java/com/tencent/cloud/polaris/config/spring/annotation/SpringValueProcessorTest.java
index f474faeb2..c9b49cbae 100644
--- a/spring-cloud-starter-tencent-polaris-config/src/test/java/com/tencent/cloud/polaris/config/spring/annotation/SpringValueProcessorTest.java
+++ b/spring-cloud-starter-tencent-polaris-config/src/test/java/com/tencent/cloud/polaris/config/spring/annotation/SpringValueProcessorTest.java
@@ -52,13 +52,15 @@ import org.springframework.stereotype.Component;
  */
 public class SpringValueProcessorTest {
 
+	private static final int PORT = 18093;
+
 	private static ServerSocket serverSocket;
 
 	@BeforeClass
 	public static void before() {
 		new Thread(() -> {
 			try {
-				serverSocket = new ServerSocket(18093);
+				serverSocket = new ServerSocket(PORT);
 				serverSocket.accept();
 			}
 			catch (IOException e) {
@@ -83,6 +85,7 @@ public class SpringValueProcessorTest {
 				.withPropertyValues("spring.cloud.polaris.address=grpc://127.0.0.1:10081")
 				.withPropertyValues("spring.cloud.polaris.config.refresh-type=" + RefreshType.REFLECT)
 				.withPropertyValues("spring.cloud.polaris.config.enabled=true")
+				.withPropertyValues("spring.cloud.polaris.config.port=" + PORT)
 				.withPropertyValues("timeout=10000");
 		contextRunner.run(context -> {
 			SpringValueRegistry springValueRegistry = context.getBean(SpringValueRegistry.class);