diff --git a/mybatis-flex-spring-boot-starter/src/main/java/com/mybatisflex/spring/boot/SpringBootVFS.java b/mybatis-flex-spring-boot-starter/src/main/java/com/mybatisflex/spring/boot/SpringBootVFS.java
index 067954bf..a6d81953 100644
--- a/mybatis-flex-spring-boot-starter/src/main/java/com/mybatisflex/spring/boot/SpringBootVFS.java
+++ b/mybatis-flex-spring-boot-starter/src/main/java/com/mybatisflex/spring/boot/SpringBootVFS.java
@@ -1,17 +1,17 @@
-/**
- * Copyright (c) 2022-2023, Mybatis-Flex (fuhai999@gmail.com).
- * <p>
- * Licensed 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
- * <p>
- * http://www.apache.org/licenses/LICENSE-2.0
- * <p>
- * 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.
+/*
+ *  Copyright (c) 2022-2023, Mybatis-Flex (fuhai999@gmail.com).
+ *  <p>
+ *  Licensed 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
+ *  <p>
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *  <p>
+ *  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 com.mybatisflex.spring.boot;
 
@@ -31,59 +31,58 @@ import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
 /**
- * Mybatis 的 VFS 支持
+ * MyBatis 的 VFS 支持。
  */
 public class SpringBootVFS extends VFS {
 
-  private static Charset urlDecodingCharset;
-  private final ResourcePatternResolver resourceResolver;
+    private static Charset urlDecodingCharset;
 
-  static {
-    setUrlDecodingCharset(Charset.defaultCharset());
-  }
-
-  public SpringBootVFS() {
-    this.resourceResolver = new PathMatchingResourcePatternResolver(getClass().getClassLoader());
-  }
-
-  @Override
-  public boolean isValid() {
-    return true;
-  }
-
-  @Override
-  protected List<String> list(URL url, String path) throws IOException {
-    String urlString = URLDecoder.decode(url.toString(), urlDecodingCharset.name());
-    String baseUrlString = urlString.endsWith("/") ? urlString : urlString.concat("/");
-    Resource[] resources = resourceResolver.getResources(baseUrlString + "**/*.class");
-    return Stream.of(resources).map(resource -> preserveSubpackageName(baseUrlString, resource, path))
-        .collect(Collectors.toList());
-  }
-
-  /**
-   * Set the charset for decoding an encoded URL string.
-   * <p>
-   * Default is system default charset.
-   * </p>
-   *
-   * @param charset
-   *          the charset for decoding an encoded URL string
-   *
-   * @since 2.3.0
-   */
-  public static void setUrlDecodingCharset(Charset charset) {
-    urlDecodingCharset = charset;
-  }
-
-  private static String preserveSubpackageName(final String baseUrlString, final Resource resource,
-      final String rootPath) {
-    try {
-      return rootPath + (rootPath.endsWith("/") ? "" : "/") + Normalizer
-          .normalize(URLDecoder.decode(resource.getURL().toString(), urlDecodingCharset.name()), Normalizer.Form.NFC)
-          .substring(baseUrlString.length());
-    } catch (IOException e) {
-      throw new UncheckedIOException(e);
+    static {
+        setUrlDecodingCharset(Charset.defaultCharset());
+    }
+
+    private final ResourcePatternResolver resourceResolver;
+
+    public SpringBootVFS() {
+        this.resourceResolver = new PathMatchingResourcePatternResolver(getClass().getClassLoader());
+    }
+
+    /**
+     * Set the charset for decoding an encoded URL string.
+     * <p>
+     * Default is system default charset.
+     * </p>
+     *
+     * @param charset the charset for decoding an encoded URL string
+     * @since 2.3.0
+     */
+    public static void setUrlDecodingCharset(Charset charset) {
+        urlDecodingCharset = charset;
+    }
+
+    private static String preserveSubpackageName(final String baseUrlString, final Resource resource,
+                                                 final String rootPath) {
+        try {
+            return rootPath + (rootPath.endsWith("/") ? "" : "/") + Normalizer
+                    .normalize(URLDecoder.decode(resource.getURL().toString(), urlDecodingCharset.name()), Normalizer.Form.NFC)
+                    .substring(baseUrlString.length());
+        } catch (IOException e) {
+            throw new UncheckedIOException(e);
+        }
+    }
+
+    @Override
+    public boolean isValid() {
+        return true;
+    }
+
+    @Override
+    protected List<String> list(URL url, String path) throws IOException {
+        String urlString = URLDecoder.decode(url.toString(), urlDecodingCharset.name());
+        String baseUrlString = urlString.endsWith("/") ? urlString : urlString.concat("/");
+        Resource[] resources = resourceResolver.getResources(baseUrlString + "**/*.class");
+        return Stream.of(resources).map(resource -> preserveSubpackageName(baseUrlString, resource, path))
+                .collect(Collectors.toList());
     }
-  }
 
 }