diff --git a/mode/core/src/main/java/org/apache/shardingsphere/mode/metadata/manager/resource/StorageUnitManager.java b/mode/core/src/main/java/org/apache/shardingsphere/mode/metadata/manager/resource/StorageUnitManager.java
index 1619076cf1451..259e60a1a9801 100644
--- a/mode/core/src/main/java/org/apache/shardingsphere/mode/metadata/manager/resource/StorageUnitManager.java
+++ b/mode/core/src/main/java/org/apache/shardingsphere/mode/metadata/manager/resource/StorageUnitManager.java
@@ -56,13 +56,13 @@ public final class StorageUnitManager {
      * @param databaseName database name
      * @param propsMap data source pool properties map
      */
-    public synchronized void registerStorageUnit(final String databaseName, final Map<String, DataSourcePoolProperties> propsMap) {
+    public synchronized void register(final String databaseName, final Map<String, DataSourcePoolProperties> propsMap) {
         try {
             closeStaleRules(databaseName);
             SwitchingResource switchingResource = resourceSwitchManager.switchByRegisterStorageUnit(metaDataContexts.getMetaData().getDatabase(databaseName).getResourceMetaData(), propsMap);
             buildNewMetaDataContext(databaseName, switchingResource);
         } catch (final SQLException ex) {
-            log.error("Alter database: {} register storage unit failed", databaseName, ex);
+            log.error("Alter database: {} register storage unit failed.", databaseName, ex);
         }
     }
     
@@ -72,13 +72,13 @@ public synchronized void registerStorageUnit(final String databaseName, final Ma
      * @param databaseName database name
      * @param propsMap data source pool properties map
      */
-    public synchronized void alterStorageUnit(final String databaseName, final Map<String, DataSourcePoolProperties> propsMap) {
+    public synchronized void alter(final String databaseName, final Map<String, DataSourcePoolProperties> propsMap) {
         try {
             closeStaleRules(databaseName);
             SwitchingResource switchingResource = resourceSwitchManager.switchByAlterStorageUnit(metaDataContexts.getMetaData().getDatabase(databaseName).getResourceMetaData(), propsMap);
             buildNewMetaDataContext(databaseName, switchingResource);
         } catch (final SQLException ex) {
-            log.error("Alter database: {} register storage unit failed", databaseName, ex);
+            log.error("Alter database: {} alter storage unit failed.", databaseName, ex);
         }
     }
     
@@ -88,14 +88,14 @@ public synchronized void alterStorageUnit(final String databaseName, final Map<S
      * @param databaseName database name
      * @param storageUnitName storage unit name
      */
-    public synchronized void unregisterStorageUnit(final String databaseName, final String storageUnitName) {
+    public synchronized void unregister(final String databaseName, final String storageUnitName) {
         try {
             closeStaleRules(databaseName);
             SwitchingResource switchingResource = resourceSwitchManager.switchByUnregisterStorageUnit(
-                    metaDataContexts.getMetaData().getDatabase(databaseName).getResourceMetaData(), Collections.singletonList(storageUnitName));
+                    metaDataContexts.getMetaData().getDatabase(databaseName).getResourceMetaData(), Collections.singleton(storageUnitName));
             buildNewMetaDataContext(databaseName, switchingResource);
         } catch (final SQLException ex) {
-            log.error("Alter database: {} register storage unit failed", databaseName, ex);
+            log.error("Alter database: {} register storage unit failed.", databaseName, ex);
         }
     }
     
diff --git a/mode/type/cluster/core/src/main/java/org/apache/shardingsphere/mode/manager/cluster/dispatch/handler/database/metadata/type/StorageUnitChangedHandler.java b/mode/type/cluster/core/src/main/java/org/apache/shardingsphere/mode/manager/cluster/dispatch/handler/database/metadata/type/StorageUnitChangedHandler.java
index bed4cc9c39f00..656b3591876ef 100644
--- a/mode/type/cluster/core/src/main/java/org/apache/shardingsphere/mode/manager/cluster/dispatch/handler/database/metadata/type/StorageUnitChangedHandler.java
+++ b/mode/type/cluster/core/src/main/java/org/apache/shardingsphere/mode/manager/cluster/dispatch/handler/database/metadata/type/StorageUnitChangedHandler.java
@@ -44,7 +44,7 @@ public final class StorageUnitChangedHandler {
     public void handleRegistered(final String databaseName, final String dataSourceUnitName, final DataChangedEvent event) {
         ActiveVersionChecker.checkActiveVersion(contextManager, event);
         DataSourcePoolProperties dataSourcePoolProps = contextManager.getPersistServiceFacade().getMetaDataPersistFacade().getDataSourceUnitService().load(databaseName, dataSourceUnitName);
-        contextManager.getMetaDataContextManager().getStorageUnitManager().registerStorageUnit(databaseName, Collections.singletonMap(dataSourceUnitName, dataSourcePoolProps));
+        contextManager.getMetaDataContextManager().getStorageUnitManager().register(databaseName, Collections.singletonMap(dataSourceUnitName, dataSourcePoolProps));
     }
     
     /**
@@ -57,7 +57,7 @@ public void handleRegistered(final String databaseName, final String dataSourceU
     public void handleAltered(final String databaseName, final String dataSourceUnitName, final DataChangedEvent event) {
         ActiveVersionChecker.checkActiveVersion(contextManager, event);
         DataSourcePoolProperties dataSourcePoolProps = contextManager.getPersistServiceFacade().getMetaDataPersistFacade().getDataSourceUnitService().load(databaseName, dataSourceUnitName);
-        contextManager.getMetaDataContextManager().getStorageUnitManager().alterStorageUnit(databaseName, Collections.singletonMap(dataSourceUnitName, dataSourcePoolProps));
+        contextManager.getMetaDataContextManager().getStorageUnitManager().alter(databaseName, Collections.singletonMap(dataSourceUnitName, dataSourcePoolProps));
     }
     
     /**
@@ -68,6 +68,6 @@ public void handleAltered(final String databaseName, final String dataSourceUnit
      */
     public void handleUnregistered(final String databaseName, final String dataSourceUnitName) {
         Preconditions.checkState(contextManager.getMetaDataContexts().getMetaData().containsDatabase(databaseName), "No database '%s' exists.", databaseName);
-        contextManager.getMetaDataContextManager().getStorageUnitManager().unregisterStorageUnit(databaseName, dataSourceUnitName);
+        contextManager.getMetaDataContextManager().getStorageUnitManager().unregister(databaseName, dataSourceUnitName);
     }
 }
diff --git a/mode/type/cluster/core/src/test/java/org/apache/shardingsphere/mode/manager/cluster/dispatch/handler/database/metadata/MetaDataChangedHandlerTest.java b/mode/type/cluster/core/src/test/java/org/apache/shardingsphere/mode/manager/cluster/dispatch/handler/database/metadata/MetaDataChangedHandlerTest.java
index 95cd004db07ae..3057d6e0cbec1 100644
--- a/mode/type/cluster/core/src/test/java/org/apache/shardingsphere/mode/manager/cluster/dispatch/handler/database/metadata/MetaDataChangedHandlerTest.java
+++ b/mode/type/cluster/core/src/test/java/org/apache/shardingsphere/mode/manager/cluster/dispatch/handler/database/metadata/MetaDataChangedHandlerTest.java
@@ -128,7 +128,7 @@ void assertHandleStorageUnitRegistered() {
         when(contextManager.getPersistServiceFacade().getRepository().query("key")).thenReturn("value");
         when(contextManager.getPersistServiceFacade().getMetaDataPersistFacade().getDataSourceUnitService().load("foo_db", "foo_unit")).thenReturn(mock(DataSourcePoolProperties.class));
         handler.handle("foo_db", new DataChangedEvent("/metadata/foo_db/data_sources/units/foo_unit/active_version/0", "0", Type.ADDED));
-        verify(contextManager.getMetaDataContextManager().getStorageUnitManager()).registerStorageUnit(eq("foo_db"), any());
+        verify(contextManager.getMetaDataContextManager().getStorageUnitManager()).register(eq("foo_db"), any());
     }
     
     @Test
@@ -136,13 +136,13 @@ void assertHandleStorageUnitAltered() {
         when(contextManager.getPersistServiceFacade().getRepository().query("key")).thenReturn("value");
         when(contextManager.getPersistServiceFacade().getMetaDataPersistFacade().getDataSourceUnitService().load("foo_db", "foo_unit")).thenReturn(mock(DataSourcePoolProperties.class));
         handler.handle("foo_db", new DataChangedEvent("/metadata/foo_db/data_sources/units/foo_unit/active_version/0", "0", Type.UPDATED));
-        verify(contextManager.getMetaDataContextManager().getStorageUnitManager()).alterStorageUnit(eq("foo_db"), any());
+        verify(contextManager.getMetaDataContextManager().getStorageUnitManager()).alter(eq("foo_db"), any());
     }
     
     @Test
     void assertHandleStorageUnitUnregistered() {
         when(contextManager.getMetaDataContexts().getMetaData().containsDatabase("foo_db")).thenReturn(true);
         handler.handle("foo_db", new DataChangedEvent("/metadata/foo_db/data_sources/units/foo_unit", "", Type.DELETED));
-        verify(contextManager.getMetaDataContextManager().getStorageUnitManager()).unregisterStorageUnit("foo_db", "foo_unit");
+        verify(contextManager.getMetaDataContextManager().getStorageUnitManager()).unregister("foo_db", "foo_unit");
     }
 }