diff --git a/spring-cloud-tencent-polaris-context/src/main/java/com/tencent/cloud/polaris/context/config/PolarisContextProperties.java b/spring-cloud-tencent-polaris-context/src/main/java/com/tencent/cloud/polaris/context/config/PolarisContextProperties.java
index 84db65234..25f5a891a 100644
--- a/spring-cloud-tencent-polaris-context/src/main/java/com/tencent/cloud/polaris/context/config/PolarisContextProperties.java
+++ b/spring-cloud-tencent-polaris-context/src/main/java/com/tencent/cloud/polaris/context/config/PolarisContextProperties.java
@@ -68,7 +68,7 @@ public class PolarisContextProperties {
 	/**
 	 * current server local port.
 	 */
-	@Value("${spring.cloud.polaris.localPort:}")
+	@Value("${spring.cloud.polaris.localPort:0}")
 	private Integer localPort;
 
 	/**