diff --git a/DataCleaner.java b/DataCleaner.java
index a8c2f2d..e60be9b 100644
--- a/DataCleaner.java
+++ b/DataCleaner.java
@@ -39,4 +39,4 @@ public class DataCleaner {
             System.out.println("无有效数据");
         }
     }
-}
\ No newline at end of file
+}