diff --git a/src/main/java/haflow/ui/helper/CatHdfsHelper.java b/src/main/java/haflow/ui/helper/CatHdfsHelper.java
index b916b94..4b474cb 100644
--- a/src/main/java/haflow/ui/helper/CatHdfsHelper.java
+++ b/src/main/java/haflow/ui/helper/CatHdfsHelper.java
@@ -18,6 +18,7 @@ public class CatHdfsHelper {
 	private void setHdfsService(CatHdfsService hdfsService) {
 		this.hdfsService = hdfsService;
 	}
+	
 	public HdfsFileModel getFile(String path) {
 		HdfsFileModel model = new HdfsFileModel();
 		String ret = this.getHdfsService().readFile(path);