diff --git a/src/main/java/com/alibaba/excel/util/StringUtils.java b/src/main/java/com/alibaba/excel/util/StringUtils.java
index 7496bfbc..40b77d52 100644
--- a/src/main/java/com/alibaba/excel/util/StringUtils.java
+++ b/src/main/java/com/alibaba/excel/util/StringUtils.java
@@ -5,9 +5,7 @@ package com.alibaba.excel.util;
  * this work for additional information regarding copyright ownership.
  * The ASF licenses this file to You under the Apache License, Version 2.0
  * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
+ * the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
@@ -15,6 +13,7 @@ package com.alibaba.excel.util;
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 public class StringUtils {
     private StringUtils() {}