diff --git a/alibaba-rsocket-spring-boot-starter/src/main/java/com/alibaba/spring/boot/rsocket/RSocketListenerAutoConfiguration.java b/alibaba-rsocket-spring-boot-starter/src/main/java/com/alibaba/spring/boot/rsocket/RSocketListenerAutoConfiguration.java
index f4ac4038b..9b26f0d24 100644
--- a/alibaba-rsocket-spring-boot-starter/src/main/java/com/alibaba/spring/boot/rsocket/RSocketListenerAutoConfiguration.java
+++ b/alibaba-rsocket-spring-boot-starter/src/main/java/com/alibaba/spring/boot/rsocket/RSocketListenerAutoConfiguration.java
@@ -15,7 +15,7 @@
  * @author leijuan
  */
 @Configuration
-@ConditionalOnExpression("'${rsocket.port}'!='0'")
+@ConditionalOnExpression("${rsocket.port:0}!=0")
 public class RSocketListenerAutoConfiguration {
 
     @Bean(initMethod = "start", destroyMethod = "stop")