diff --git a/spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-nacos-config/src/main/java/com/alibaba/cloud/nacos/NacosConfigManager.java b/spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-nacos-config/src/main/java/com/alibaba/cloud/nacos/NacosConfigManager.java
index 7f8eb9d8..e8199832 100644
--- a/spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-nacos-config/src/main/java/com/alibaba/cloud/nacos/NacosConfigManager.java
+++ b/spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-nacos-config/src/main/java/com/alibaba/cloud/nacos/NacosConfigManager.java
@@ -77,7 +77,7 @@ public class NacosConfigManager {
 
 	@PreDestroy
 	public void destroy() throws NacosException {
-		if(service != null){
+		if (service != null) {
 			service.shutDown();
 			service = null;
 		}