diff --git a/sharding-orchestration/sharding-orchestration-core/src/test/java/io/shardingsphere/orchestration/registry/FirstTestRegistryCenter.java b/sharding-orchestration/sharding-orchestration-core/src/test/java/io/shardingsphere/orchestration/registry/FirstTestRegistryCenter.java
index <HASH>..<HASH> 100644
--- a/sharding-orchestration/sharding-orchestration-core/src/test/java/io/shardingsphere/orchestration/registry/FirstTestRegistryCenter.java
+++ b/sharding-orchestration/sharding-orchestration-core/src/test/java/io/shardingsphere/orchestration/registry/FirstTestRegistryCenter.java
@@ -24,11 +24,6 @@ import io.shardingsphere.orchestration.reg.listener.EventListener;
 import java.util.Collections;
 import java.util.List;
 
-/**
- * Test registry center.
- *
- * @author panjuan
- */
 public final class FirstTestRegistryCenter implements RegistryCenter {
     
     @Override
delete java doc for FirstTestRegistryCenter.java