diff --git a/infra/common/src/main/java/org/apache/shardingsphere/infra/metadata/database/resource/node/StorageNodeName.java b/infra/common/src/main/java/org/apache/shardingsphere/infra/metadata/database/resource/node/StorageNodeName.java
index 3ec99ec0e1a63..a74bde4e905e7 100644
--- a/infra/common/src/main/java/org/apache/shardingsphere/infra/metadata/database/resource/node/StorageNodeName.java
+++ b/infra/common/src/main/java/org/apache/shardingsphere/infra/metadata/database/resource/node/StorageNodeName.java
@@ -33,7 +33,7 @@ public final class StorageNodeName {
     public StorageNodeName(final String hostname, final int port, final String username) {
         name = String.format("%s_%s_%s", hostname, port, username);
     }
-    
+     
     @Override
     public boolean equals(final Object obj) {
         return obj instanceof StorageNodeName && ((StorageNodeName) obj).name.equalsIgnoreCase(name);