diff --git a/apollo-biz/src/test/java/com/ctrip/framework/apollo/biz/utils/ConfigChangeContentBuilderTest.java b/apollo-biz/src/test/java/com/ctrip/framework/apollo/biz/utils/ConfigChangeContentBuilderTest.java
index 83c212aad84..70361eff5e7 100644
--- a/apollo-biz/src/test/java/com/ctrip/framework/apollo/biz/utils/ConfigChangeContentBuilderTest.java
+++ b/apollo-biz/src/test/java/com/ctrip/framework/apollo/biz/utils/ConfigChangeContentBuilderTest.java
@@ -32,56 +32,53 @@
 
 public class ConfigChangeContentBuilderTest {
 
-  private final ConfigChangeContentBuilder configChangeContentBuilder = new ConfigChangeContentBuilder();
-  private String configString;
-  private Item createdItem;
-  private Item updatedItem;
-  private Item updatedItemFalseCheck;
-  private Item createdItemFalseCheck;
-  @Before
-  public void initConfig() {
+	private final ConfigChangeContentBuilder configChangeContentBuilder = new ConfigChangeContentBuilder();
+	private String configString;
+	private Item createdItem;
+	private Item updatedItem;
+	private Item updatedItemFalseCheck;
+	private Item createdItemFalseCheck;
 
-     createdItem = MockBeanFactory.mockItem(1, 1, "timeout", "100", 1);
-     updatedItem = MockBeanFactory.mockItem(1, 1, "timeout", "1001", 1);
-     updatedItemFalseCheck = MockBeanFactory.mockItem(1, 1, "timeout", "100", 1);
-     createdItemFalseCheck = MockBeanFactory.mockItem(1, 1, "", "100", 1);
+	@Before
+	public void initConfig() {
 
-    configChangeContentBuilder.createItem(createdItem);
-    configChangeContentBuilder.createItem(createdItemFalseCheck);
-    configChangeContentBuilder.updateItem(createdItem, updatedItem);
-    configChangeContentBuilder.updateItem(createdItem, updatedItemFalseCheck);
-    configChangeContentBuilder.deleteItem(updatedItem);
-    configChangeContentBuilder.deleteItem(createdItemFalseCheck);
+		createdItem = MockBeanFactory.mockItem(1, 1, "timeout", "100", 1);
+		updatedItem = MockBeanFactory.mockItem(1, 1, "timeout", "1001", 1);
+		updatedItemFalseCheck = MockBeanFactory.mockItem(1, 1, "timeout", "100", 1);
+		createdItemFalseCheck = MockBeanFactory.mockItem(1, 1, "", "100", 1);
+		configChangeContentBuilder.createItem(createdItem);
+		configChangeContentBuilder.createItem(createdItemFalseCheck);
+		configChangeContentBuilder.updateItem(createdItem, updatedItem);
+		configChangeContentBuilder.updateItem(createdItem, updatedItemFalseCheck);
+		configChangeContentBuilder.deleteItem(updatedItem);
+		configChangeContentBuilder.deleteItem(createdItemFalseCheck);
+		configString = configChangeContentBuilder.build();
+	}
 
-    configString = configChangeContentBuilder.build();
-  }
-  
-  @Test
-  public void testHasContent() {
-	  assertTrue(configChangeContentBuilder.hasContent());
-	  configChangeContentBuilder.getCreateItems().clear();
-	  assertTrue(configChangeContentBuilder.hasContent());
-	  configChangeContentBuilder.getUpdateItems().clear();
-	  assertTrue(configChangeContentBuilder.hasContent());
-  }
+	@Test
+	public void testHasContent() {
+		assertTrue(configChangeContentBuilder.hasContent());
+		configChangeContentBuilder.getCreateItems().clear();
+		assertTrue(configChangeContentBuilder.hasContent());
+		configChangeContentBuilder.getUpdateItems().clear();
+		assertTrue(configChangeContentBuilder.hasContent());
+	}
 
-  @Test
-  public void testHasContentFalseCheck() {
-	  configChangeContentBuilder.getCreateItems().clear();
-	  configChangeContentBuilder.getUpdateItems().clear();
-	  configChangeContentBuilder.getDeleteItems().clear();
-	  assertFalse(configChangeContentBuilder.hasContent());
-  }
+	@Test
+	public void testHasContentFalseCheck() {
+		configChangeContentBuilder.getCreateItems().clear();
+		configChangeContentBuilder.getUpdateItems().clear();
+		configChangeContentBuilder.getDeleteItems().clear();
+		assertFalse(configChangeContentBuilder.hasContent());
+	}
 
-  @Test
-  public void testConvertJsonString() {
-    ConfigChangeContentBuilder contentBuilder = ConfigChangeContentBuilder
-        .convertJsonString(configString);
-
-    assertNotNull(contentBuilder.getCreateItems());
-    assertNotNull(contentBuilder.getUpdateItems().get(0).oldItem);
-    assertNotNull(contentBuilder.getUpdateItems().get(0).newItem);
-    assertNotNull(contentBuilder.getDeleteItems());
-  }
+	@Test
+	public void testConvertJsonString() {
+		ConfigChangeContentBuilder contentBuilder = ConfigChangeContentBuilder.convertJsonString(configString);
+		assertNotNull(contentBuilder.getCreateItems());
+		assertNotNull(contentBuilder.getUpdateItems().get(0).oldItem);
+		assertNotNull(contentBuilder.getUpdateItems().get(0).newItem);
+		assertNotNull(contentBuilder.getDeleteItems());
+	}
 
 }
diff --git a/apollo-client/src/test/java/com/ctrip/framework/apollo/spring/util/BeanRegistrationUtilTest.java b/apollo-client/src/test/java/com/ctrip/framework/apollo/spring/util/BeanRegistrationUtilTest.java
index b502ed7a96b..6a63ea909fc 100644
--- a/apollo-client/src/test/java/com/ctrip/framework/apollo/spring/util/BeanRegistrationUtilTest.java
+++ b/apollo-client/src/test/java/com/ctrip/framework/apollo/spring/util/BeanRegistrationUtilTest.java
@@ -1,17 +1,15 @@
 /*
  * Copyright 2022 Apollo Authors
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
  *
  * http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
  *
  */
 package com.ctrip.framework.apollo.spring.util;
@@ -32,48 +30,45 @@
 import org.springframework.beans.factory.support.BeanDefinitionRegistry;
 import org.springframework.beans.factory.support.SimpleBeanDefinitionRegistry;
 
-/**
- * @author Ayush Jha
- */
-
 @RunWith(MockitoJUnitRunner.class)
 public class BeanRegistrationUtilTest {
 
-	@InjectMocks
-	private BeanRegistrationUtil beanRegistrationUtil;
-	private BeanDefinitionRegistry someRegistry;
-	private String someBeanName = "someBean";
+  @InjectMocks
+  private BeanRegistrationUtil beanRegistrationUtil;
+  private BeanDefinitionRegistry someRegistry;
+  private String someBeanName = "someBean";
 
-	@Before
-	public void setUp() {
-		someRegistry = new SimpleBeanDefinitionRegistry();
-	}
+  @Before
+  public void setUp() {
+    someRegistry = new SimpleBeanDefinitionRegistry();
+  }
 
-	@Test
-	public void registerBeanDefinitionIfNotExistsTest() {
-		someRegistry.registerBeanDefinition(someBeanName, Mockito.mock(BeanDefinition.class));
-		assertFalse(
-				BeanRegistrationUtil.registerBeanDefinitionIfNotExists(someRegistry, someBeanName, getClass(), null));
-		assertFalse(BeanRegistrationUtil.registerBeanDefinitionIfNotExists(someRegistry, someBeanName, getClass()));
+  @Test
+  public void registerBeanDefinitionIfNotExistsTest() {
+    someRegistry.registerBeanDefinition(someBeanName, Mockito.mock(BeanDefinition.class));
+    assertFalse(BeanRegistrationUtil.registerBeanDefinitionIfNotExists(someRegistry, someBeanName,
+        getClass(), null));
+    assertFalse(BeanRegistrationUtil.registerBeanDefinitionIfNotExists(someRegistry, someBeanName,
+        getClass()));
 
-	}
+  }
 
-	@Test
-	public void registerBeanDefinitionIfNotExistsBeanNotPresentTest() {
-		someRegistry.registerBeanDefinition("someAnotherBean", Mockito.mock(BeanDefinition.class));
-		assertTrue(
-				BeanRegistrationUtil.registerBeanDefinitionIfNotExists(someRegistry, someBeanName, getClass(), null));
+  @Test
+  public void registerBeanDefinitionIfNotExistsBeanNotPresentTest() {
+    someRegistry.registerBeanDefinition("someAnotherBean", Mockito.mock(BeanDefinition.class));
+    assertTrue(BeanRegistrationUtil.registerBeanDefinitionIfNotExists(someRegistry, someBeanName,
+        getClass(), null));
 
-	}
+  }
 
-	@Test
-	public void registerBeanDefinitionIfNotExistsWithExtPropTest() {
-		someRegistry.registerBeanDefinition("someAnotherBean", Mockito.mock(BeanDefinition.class));
-		Map<String, Object> extraPropertyValues = new ConcurrentHashMap<>();
-		extraPropertyValues.put(someBeanName, "someProperty");
-		assertTrue(BeanRegistrationUtil.registerBeanDefinitionIfNotExists(someRegistry, someBeanName, getClass(),
-				extraPropertyValues));
+  @Test
+  public void registerBeanDefinitionIfNotExistsWithExtPropTest() {
+    someRegistry.registerBeanDefinition("someAnotherBean", Mockito.mock(BeanDefinition.class));
+    Map<String, Object> extraPropertyValues = new ConcurrentHashMap<>();
+    extraPropertyValues.put(someBeanName, "someProperty");
+    assertTrue(BeanRegistrationUtil.registerBeanDefinitionIfNotExists(someRegistry, someBeanName,
+        getClass(), extraPropertyValues));
 
-	}
+  }
 
 }