diff --git a/hmily-common/src/test/java/org/dromara/hmily/common/utils/StringUtilsTest.java b/hmily-common/src/test/java/org/dromara/hmily/common/utils/StringUtilsTest.java
index c11ca59c..d360ea81 100644
--- a/hmily-common/src/test/java/org/dromara/hmily/common/utils/StringUtilsTest.java
+++ b/hmily-common/src/test/java/org/dromara/hmily/common/utils/StringUtilsTest.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * 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
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.dromara.hmily.common.utils;
 
 import org.junit.Assert;
@@ -10,7 +27,6 @@ public class StringUtilsTest {
         Assert.assertFalse(StringUtils.isNoneBlank((CharSequence) null));
         Assert.assertFalse(StringUtils.isNoneBlank(""));
         Assert.assertFalse(StringUtils.isNoneBlank("", "", ""));
-
         Assert.assertTrue(StringUtils.isNoneBlank("a", "b", "c"));
     }
 
@@ -18,7 +34,6 @@ public class StringUtilsTest {
     public void testIsEmpty() {
         Assert.assertTrue(true);
         Assert.assertTrue(StringUtils.isEmpty(new String[0]));
-
         Assert.assertFalse(StringUtils.isEmpty(new String[]{"a", "b", "c"}));
     }
 
@@ -27,7 +42,6 @@ public class StringUtilsTest {
         Assert.assertTrue(StringUtils.isBlank(null));
         Assert.assertTrue(StringUtils.isBlank(""));
         Assert.assertTrue(StringUtils.isBlank(" "));
-
         Assert.assertFalse(StringUtils.isBlank("foobar"));
         Assert.assertFalse(StringUtils.isBlank("foo bar"));
     }