diff --git a/spring-cloud-starter-tencent-polaris-config/src/main/java/com/tencent/cloud/polaris/config/adapter/PolarisConfigPropertyAutoRefresher.java b/spring-cloud-starter-tencent-polaris-config/src/main/java/com/tencent/cloud/polaris/config/adapter/PolarisConfigPropertyAutoRefresher.java
index 321282a08..49594d3d1 100644
--- a/spring-cloud-starter-tencent-polaris-config/src/main/java/com/tencent/cloud/polaris/config/adapter/PolarisConfigPropertyAutoRefresher.java
+++ b/spring-cloud-starter-tencent-polaris-config/src/main/java/com/tencent/cloud/polaris/config/adapter/PolarisConfigPropertyAutoRefresher.java
@@ -495,7 +495,7 @@ public abstract class PolarisConfigPropertyAutoRefresher implements ApplicationL
 	 * Just for junit test. {@code encryptedPropertyKeys} is static and grow-only, so it has to be
 	 * reset between test methods.
 	 */
-	public static void clearEncryptedPropertyKeys() {
+	static void clearEncryptedPropertyKeys() {
 		encryptedPropertyKeys.clear();
 	}
 }