diff --git a/hippo4j-spring-boot-starter/src/main/java/cn/hippo4j/starter/config/DiscoveryConfiguration.java b/hippo4j-spring-boot-starter/src/main/java/cn/hippo4j/starter/config/DiscoveryConfiguration.java
index f35d50e6..fc247742 100644
--- a/hippo4j-spring-boot-starter/src/main/java/cn/hippo4j/starter/config/DiscoveryConfiguration.java
+++ b/hippo4j-spring-boot-starter/src/main/java/cn/hippo4j/starter/config/DiscoveryConfiguration.java
@@ -39,7 +39,7 @@ public class DiscoveryConfiguration {
     public InstanceInfo instanceConfig() {
         String namespace = properties.getNamespace();
         String itemId = properties.getItemId();
-        String port = environment.getProperty("server.port");
+        String port = environment.getProperty("server.port", "8080");
         String applicationName = environment.getProperty("spring.dynamic.thread-pool.item-id");
         String active = environment.getProperty("spring.profiles.active", "UNKNOWN");