diff --git a/sharding-jdbc-orchestration/src/main/java/io/shardingsphere/jdbc/orchestration/reg/newzk/client/cache/PathNode.java b/sharding-jdbc-orchestration/src/main/java/io/shardingsphere/jdbc/orchestration/reg/newzk/client/cache/PathNode.java
index e13fc41f7df23204b7ff138765570c3763e8f6d0..d46a4651ab3e864c6f506c6df491059d199aad17 100644
--- a/sharding-jdbc-orchestration/src/main/java/io/shardingsphere/jdbc/orchestration/reg/newzk/client/cache/PathNode.java
+++ b/sharding-jdbc-orchestration/src/main/java/io/shardingsphere/jdbc/orchestration/reg/newzk/client/cache/PathNode.java
@@ -34,8 +34,10 @@ import lombok.extern.slf4j.Slf4j;
 @Slf4j
 public final class PathNode {
     
+    @Getter
     private final Map<String, PathNode> children = new ConcurrentHashMap<>();
 
+    @Getter
     private final String nodeKey;
     
     @Getter(value = AccessLevel.PACKAGE)
@@ -56,32 +58,14 @@ public final class PathNode {
         this.path = key;
     }
     
-    /**
-     * Get children.
-     *
-     * @return children
-     */
-    public Map<String, PathNode> getChildren() {
-        return children;
-    }
-    
-    /**
-     * Get key.
-     *
-     * @return node key
-     */
-    public String getKey() {
-        return this.nodeKey;
-    }
-    
     /**
      * Attach child node.
      *
      * @param node node
      */
-    public void attachChild(final PathNode node) {
+    void attachChild(final PathNode node) {
         this.children.put(node.nodeKey, node);
-        node.setPath(PathUtil.getRealPath(path, node.getKey()));
+        node.setPath(PathUtil.getRealPath(path, node.getNodeKey()));
     }
     
     PathNode set(final PathResolve pathResolve, final String value) {
diff --git a/sharding-jdbc-orchestration/src/main/java/io/shardingsphere/jdbc/orchestration/reg/newzk/client/cache/PathTree.java b/sharding-jdbc-orchestration/src/main/java/io/shardingsphere/jdbc/orchestration/reg/newzk/client/cache/PathTree.java
index 10f54af0627c0afe6fd4e6a523e76616a3c9c178..31d81ce77ef5e9f90b5f4027ed3fcc9f6d787661 100644
--- a/sharding-jdbc-orchestration/src/main/java/io/shardingsphere/jdbc/orchestration/reg/newzk/client/cache/PathTree.java
+++ b/sharding-jdbc-orchestration/src/main/java/io/shardingsphere/jdbc/orchestration/reg/newzk/client/cache/PathTree.java
@@ -92,8 +92,8 @@ public final class PathTree {
                 log.debug("loading status:{}", status);
                 status = PathStatus.CHANGING;
     
-                final PathNode newRoot = new PathNode(rootNode.get().getKey());
-                final List<String> children = provider.getChildren(PathUtil.checkPath(rootNode.get().getKey()));
+                final PathNode newRoot = new PathNode(rootNode.get().getNodeKey());
+                final List<String> children = provider.getChildren(PathUtil.checkPath(rootNode.get().getNodeKey()));
                 children.remove(ZookeeperConstants.CHANGING_KEY);
                 attachIntoNode(children, newRoot);
                 rootNode.set(newRoot);
@@ -190,7 +190,7 @@ public final class PathTree {
      * Watch data change.
      */
     public void watch() {
-        watch(new ZookeeperEventListener(rootNode.get().getKey()) {
+        watch(new ZookeeperEventListener(rootNode.get().getNodeKey()) {
             @Override
             public void process(final WatchedEvent event) {
                 String path = event.getPath();
@@ -222,7 +222,7 @@ public final class PathTree {
         }
         final String key = zookeeperEventListener.getKey();
         log.debug("PathTree Watch:{}", key);
-        client.registerWatch(rootNode.get().getKey(), zookeeperEventListener);
+        client.registerWatch(rootNode.get().getNodeKey(), zookeeperEventListener);
         watcherKeys.add(key);
     }