diff --git a/client/src/test/java/com/alibaba/nacos/client/config/impl/ClientWorkerTest.java b/client/src/test/java/com/alibaba/nacos/client/config/impl/ClientWorkerTest.java
index eaaba3e6e5f..0b60d704224 100644
--- a/client/src/test/java/com/alibaba/nacos/client/config/impl/ClientWorkerTest.java
+++ b/client/src/test/java/com/alibaba/nacos/client/config/impl/ClientWorkerTest.java
@@ -151,7 +151,7 @@ void testAddListenerWithoutTenant() throws NacosException {
             public void receiveConfigInfo(String configInfo) {
             }
         };
-    
+        
         clientWorker.addListeners(dataId, group, Collections.singletonList(listener));
         List<Listener> listeners = clientWorker.getCache(dataId, group).getListeners();
         assertEquals(1, listeners.size());
@@ -182,7 +182,7 @@ public void receiveConfigInfo(String configInfo) {
         
         String dataId = "a";
         String group = "b";
-    
+        
         clientWorker.addTenantListeners(dataId, group, Collections.singletonList(listener));
         List<Listener> listeners = clientWorker.getCache(dataId, group).getListeners();
         assertEquals(1, listeners.size());