diff --git a/src/main/java/com/alibaba/excel/util/StringUtils.java b/src/main/java/com/alibaba/excel/util/StringUtils.java
index 3a4d7d4a..7496bfbc 100644
--- a/src/main/java/com/alibaba/excel/util/StringUtils.java
+++ b/src/main/java/com/alibaba/excel/util/StringUtils.java
@@ -1,5 +1,4 @@
 package com.alibaba.excel.util;
-
 /*
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with