diff --git a/hutool-core/src/main/java/cn/hutool/core/io/FileUtil.java b/hutool-core/src/main/java/cn/hutool/core/io/FileUtil.java
index b4513830f..08ee37de2 100755
--- a/hutool-core/src/main/java/cn/hutool/core/io/FileUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/io/FileUtil.java
@@ -68,22 +68,6 @@ import java.util.zip.Checksum;
  */
 public class FileUtil extends PathUtil {
 
-	/**
-	 * Class文件扩展名
-	 */
-	public static final String CLASS_EXT = FileNameUtil.EXT_CLASS;
-	/**
-	 * Jar文件扩展名
-	 */
-	public static final String JAR_FILE_EXT = FileNameUtil.EXT_JAR;
-	/**
-	 * 在Jar中的路径jar的扩展名形式
-	 */
-	public static final String JAR_PATH_EXT = ".jar!";
-	/**
-	 * 当Path为文件形式时, path会加入一个表示文件的前缀
-	 */
-	public static final String PATH_FILE_PRE = URLUtil.FILE_URL_PREFIX;
 	/**
 	 * 文件路径分隔符<br>
 	 * 在Unix和Linux下 是{@code '/'}; 在Windows下是 {@code '\'}
@@ -94,6 +78,7 @@ public class FileUtil extends PathUtil {
 	 * 在Unix和Linux下 是{@code ':'}; 在Windows下是 {@code ';'}
 	 */
 	public static final String PATH_SEPARATOR = File.pathSeparator;
+
 	/**
 	 * 绝对路径判断正则
 	 */
@@ -271,7 +256,7 @@ public class FileUtil extends PathUtil {
 		if (path == null) {
 			return new ArrayList<>(0);
 		}
-		int index = path.lastIndexOf(FileUtil.JAR_PATH_EXT);
+		int index = path.lastIndexOf(FileNameUtil.EXT_JAR_PATH);
 		if (index < 0) {
 			// 普通目录
 			final List<String> paths = new ArrayList<>();
@@ -287,7 +272,7 @@ public class FileUtil extends PathUtil {
 		// jar文件
 		path = getAbsolutePath(path);
 		// jar文件中的路径
-		index = index + FileUtil.JAR_FILE_EXT.length();
+		index = index + FileNameUtil.EXT_JAR.length();
 		JarFile jarFile = null;
 		try {
 			jarFile = new JarFile(path.substring(0, index));
diff --git a/hutool-core/src/main/java/cn/hutool/core/io/file/FileNameUtil.java b/hutool-core/src/main/java/cn/hutool/core/io/file/FileNameUtil.java
index f548216ce..7cf2d7b40 100755
--- a/hutool-core/src/main/java/cn/hutool/core/io/file/FileNameUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/io/file/FileNameUtil.java
@@ -28,6 +28,11 @@ public class FileNameUtil {
 	 */
 	public static final String EXT_JAR = ".jar";
 
+	/**
+	 * 在Jar中的路径jar的扩展名形式
+	 */
+	public static final String EXT_JAR_PATH = ".jar!";
+
 	/**
 	 * 类Unix路径分隔符
 	 */
@@ -40,7 +45,7 @@ public class FileNameUtil {
 	/**
 	 * Windows下文件名中的无效字符
 	 */
-	private static final Pattern FILE_NAME_INVALID_PATTERN_WIN = Pattern.compile("[\\\\/:*?\"<>|]");
+	private static final Pattern FILE_NAME_INVALID_PATTERN_WIN = Pattern.compile("[\\\\/:*?\"<>|\r\n]");
 
 	/**
 	 * 特殊后缀
diff --git a/hutool-core/src/main/java/cn/hutool/core/lang/ClassScanner.java b/hutool-core/src/main/java/cn/hutool/core/lang/ClassScanner.java
index 64085972a..3efc5c1e2 100755
--- a/hutool-core/src/main/java/cn/hutool/core/lang/ClassScanner.java
+++ b/hutool-core/src/main/java/cn/hutool/core/lang/ClassScanner.java
@@ -3,8 +3,8 @@ package cn.hutool.core.lang;
 import cn.hutool.core.classloader.ClassLoaderUtil;
 import cn.hutool.core.collection.CollUtil;
 import cn.hutool.core.collection.iter.EnumerationIter;
-import cn.hutool.core.io.FileUtil;
 import cn.hutool.core.io.IORuntimeException;
+import cn.hutool.core.io.file.FileNameUtil;
 import cn.hutool.core.io.resource.ResourceUtil;
 import cn.hutool.core.net.URLDecoder;
 import cn.hutool.core.net.URLUtil;
@@ -298,14 +298,14 @@ public class ClassScanner implements Serializable {
 	private void scanFile(final File file, final String rootDir) {
 		if (file.isFile()) {
 			final String fileName = file.getAbsolutePath();
-			if (fileName.endsWith(FileUtil.CLASS_EXT)) {
+			if (fileName.endsWith(FileNameUtil.EXT_CLASS)) {
 				final String className = fileName//
 						// 8为classes长度，fileName.length() - 6为".class"的长度
 						.substring(rootDir.length(), fileName.length() - 6)//
 						.replace(File.separatorChar, CharUtil.DOT);//
 				//加入满足条件的类
 				addIfAccept(className);
-			} else if (fileName.endsWith(FileUtil.JAR_FILE_EXT)) {
+			} else if (fileName.endsWith(FileNameUtil.EXT_JAR)) {
 				try {
 					scanJar(new JarFile(file));
 				} catch (final IOException e) {
@@ -332,7 +332,7 @@ public class ClassScanner implements Serializable {
 		for (final JarEntry entry : new EnumerationIter<>(jar.entries())) {
 			name = StrUtil.removePrefix(entry.getName(), StrUtil.SLASH);
 			if (StrUtil.isEmpty(packagePath) || name.startsWith(this.packagePath)) {
-				if (name.endsWith(FileUtil.CLASS_EXT) && false == entry.isDirectory()) {
+				if (name.endsWith(FileNameUtil.EXT_CLASS) && false == entry.isDirectory()) {
 					final String className = name//
 							.substring(0, name.length() - 6)//
 							.replace(CharUtil.SLASH, CharUtil.DOT);//
diff --git a/hutool-core/src/main/java/cn/hutool/core/net/URLUtil.java b/hutool-core/src/main/java/cn/hutool/core/net/URLUtil.java
index 8b21a6387..6f127ec87 100644
--- a/hutool-core/src/main/java/cn/hutool/core/net/URLUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/net/URLUtil.java
@@ -1,15 +1,15 @@
 package cn.hutool.core.net;
 
+import cn.hutool.core.classloader.ClassLoaderUtil;
 import cn.hutool.core.exceptions.UtilException;
-import cn.hutool.core.io.FileUtil;
 import cn.hutool.core.io.IORuntimeException;
 import cn.hutool.core.io.IoUtil;
+import cn.hutool.core.io.file.FileNameUtil;
 import cn.hutool.core.io.resource.ResourceUtil;
 import cn.hutool.core.lang.Assert;
 import cn.hutool.core.net.url.UrlQuery;
-import cn.hutool.core.util.CharsetUtil;
-import cn.hutool.core.classloader.ClassLoaderUtil;
 import cn.hutool.core.text.StrUtil;
+import cn.hutool.core.util.CharsetUtil;
 
 import java.io.BufferedReader;
 import java.io.File;
@@ -438,7 +438,7 @@ public class URLUtil {
 	public static boolean isJarFileURL(final URL url) {
 		Assert.notNull(url, "URL must be not null");
 		return (URL_PROTOCOL_FILE.equals(url.getProtocol()) && //
-				url.getPath().toLowerCase().endsWith(FileUtil.JAR_FILE_EXT));
+				url.getPath().toLowerCase().endsWith(FileNameUtil.EXT_JAR));
 	}
 
 	/**
diff --git a/hutool-core/src/test/java/cn/hutool/core/io/file/FileNameUtilTest.java b/hutool-core/src/test/java/cn/hutool/core/io/file/FileNameUtilTest.java
new file mode 100755
index 000000000..706cc4492
--- /dev/null
+++ b/hutool-core/src/test/java/cn/hutool/core/io/file/FileNameUtilTest.java
@@ -0,0 +1,15 @@
+package cn.hutool.core.io.file;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class FileNameUtilTest {
+	@Test
+	public void cleanInvalidTest(){
+		String name = FileNameUtil.cleanInvalid("1\n2\n");
+		Assert.assertEquals("12", name);
+
+		name = FileNameUtil.cleanInvalid("\r1\r\n2\n");
+		Assert.assertEquals("12", name);
+	}
+}