diff --git a/ruoyi-modules/ruoyi-file/src/main/java/com/ruoyi/file/utils/FileUploadUtils.java b/ruoyi-modules/ruoyi-file/src/main/java/com/ruoyi/file/utils/FileUploadUtils.java
index 8c5a1985..ed681485 100644
--- a/ruoyi-modules/ruoyi-file/src/main/java/com/ruoyi/file/utils/FileUploadUtils.java
+++ b/ruoyi-modules/ruoyi-file/src/main/java/com/ruoyi/file/utils/FileUploadUtils.java
@@ -1,204 +1,203 @@
-package com.ruoyi.file.utils;
-
-import java.io.File;
-import java.io.IOException;
-import org.apache.commons.io.FilenameUtils;
-import org.springframework.beans.factory.annotation.Value;
-import org.springframework.web.multipart.MultipartFile;
-import com.ruoyi.common.core.exception.file.FileNameLengthLimitExceededException;
-import com.ruoyi.common.core.exception.file.FileSizeLimitExceededException;
-import com.ruoyi.common.core.exception.file.InvalidExtensionException;
-import com.ruoyi.common.core.utils.DateUtils;
-import com.ruoyi.common.core.utils.IdUtils;
-import com.ruoyi.common.core.utils.StringUtils;
-import com.ruoyi.common.core.utils.file.MimeTypeUtils;
-
-/**
- * 文件上传工具类
- * 
- * @author ruoyi
- */
-public class FileUploadUtils
-{
-    /**
-     * 默认大小 50M
-     */
-    public static final long DEFAULT_MAX_SIZE = 50 * 1024 * 1024;
-
-    /**
-     * 默认的文件名最大长度 100
-     */
-    public static final int DEFAULT_FILE_NAME_LENGTH = 100;
-
-    /**
-     * 资源映射路径 前缀
-     */
-    @Value("${file.prefix}")
-    public String localFilePrefix;
-
-    /**
-     * 根据文件路径上传
-     *
-     * @param baseDir 相对应用的基目录
-     * @param file 上传的文件
-     * @return 文件名称
-     * @throws IOException
-     */
-    public static final String upload(String baseDir, MultipartFile file) throws IOException
-    {
-        try
-        {
-            return upload(baseDir, file, MimeTypeUtils.DEFAULT_ALLOWED_EXTENSION);
-        }
-        catch (Exception e)
-        {
-            throw new IOException(e.getMessage(), e);
-        }
-    }
-
-    /**
-     * 文件上传
-     *
-     * @param baseDir 相对应用的基目录
-     * @param file 上传的文件
-     * @param extension 上传文件类型
-     * @return 返回上传成功的文件名
-     * @throws FileSizeLimitExceededException 如果超出最大大小
-     * @throws FileNameLengthLimitExceededException 文件名太长
-     * @throws IOException 比如读写文件出错时
-     * @throws InvalidExtensionException 文件校验异常
-     */
-    public static final String upload(String baseDir, MultipartFile file, String[] allowedExtension)
-            throws FileSizeLimitExceededException, IOException, FileNameLengthLimitExceededException,
-            InvalidExtensionException
-    {
-        int fileNamelength = file.getOriginalFilename().length();
-        if (fileNamelength > FileUploadUtils.DEFAULT_FILE_NAME_LENGTH)
-        {
-            throw new FileNameLengthLimitExceededException(FileUploadUtils.DEFAULT_FILE_NAME_LENGTH);
-        }
-
-        assertAllowed(file, allowedExtension);
-
-        String fileName = extractFilename(file);
-
-        File desc = getAbsoluteFile(baseDir, fileName);
-        file.transferTo(desc);
-        String pathFileName = getPathFileName(fileName);
-        return pathFileName;
-    }
-
-    /**
-     * 编码文件名
-     */
-    public static final String extractFilename(MultipartFile file)
-    {
-        String fileName = file.getOriginalFilename();
-        String extension = getExtension(file);
-        fileName = DateUtils.datePath() + "/" + IdUtils.fastUUID() + "." + extension;
-        return fileName;
-    }
-
-    private static final File getAbsoluteFile(String uploadDir, String fileName) throws IOException
-    {
-        File desc = new File(uploadDir + File.separator + fileName);
-
-        if (!desc.exists())
-        {
-            if (!desc.getParentFile().exists())
-            {
-                desc.getParentFile().mkdirs();
-            }
-        }
-        return desc;
-    }
-
-    private static final String getPathFileName(String fileName) throws IOException
-    {
-        String pathFileName = "/" + fileName;
-        return pathFileName;
-    }
-
-    /**
-     * 文件大小校验
-     *
-     * @param file 上传的文件
-     * @return
-     * @throws FileSizeLimitExceededException 如果超出最大大小
-     * @throws InvalidExtensionException
-     */
-    public static final void assertAllowed(MultipartFile file, String[] allowedExtension)
-            throws FileSizeLimitExceededException, InvalidExtensionException
-    {
-        long size = file.getSize();
-        if (DEFAULT_MAX_SIZE != -1 && size > DEFAULT_MAX_SIZE)
-        {
-            throw new FileSizeLimitExceededException(DEFAULT_MAX_SIZE / 1024 / 1024);
-        }
-
-        String fileName = file.getOriginalFilename();
-        String extension = getExtension(file);
-        if (allowedExtension != null && !isAllowedExtension(extension, allowedExtension))
-        {
-            if (allowedExtension == MimeTypeUtils.IMAGE_EXTENSION)
-            {
-                throw new InvalidExtensionException.InvalidImageExtensionException(allowedExtension, extension,
-                        fileName);
-            }
-            else if (allowedExtension == MimeTypeUtils.FLASH_EXTENSION)
-            {
-                throw new InvalidExtensionException.InvalidFlashExtensionException(allowedExtension, extension,
-                        fileName);
-            }
-            else if (allowedExtension == MimeTypeUtils.MEDIA_EXTENSION)
-            {
-                throw new InvalidExtensionException.InvalidMediaExtensionException(allowedExtension, extension,
-                        fileName);
-            }
-            else if (allowedExtension == MimeTypeUtils.VIDEO_EXTENSION)
-            {
-                throw new InvalidExtensionException.InvalidVideoExtensionException(allowedExtension, extension,
-                        fileName);
-            }
-            else
-            {
-                throw new InvalidExtensionException(allowedExtension, extension, fileName);
-            }
-        }
-    }
-
-    /**
-     * 判断MIME类型是否是允许的MIME类型
-     *
-     * @param extension
-     * @param allowedExtension
-     * @return
-     */
-    public static final boolean isAllowedExtension(String extension, String[] allowedExtension)
-    {
-        for (String str : allowedExtension)
-        {
-            if (str.equalsIgnoreCase(extension))
-            {
-                return true;
-            }
-        }
-        return false;
-    }
-
-    /**
-     * 获取文件名的后缀
-     * 
-     * @param file 表单文件
-     * @return 后缀名
-     */
-    public static final String getExtension(MultipartFile file)
-    {
-        String extension = FilenameUtils.getExtension(file.getOriginalFilename());
-        if (StringUtils.isEmpty(extension))
-        {
-            extension = MimeTypeUtils.getExtension(file.getContentType());
-        }
-        return extension;
-    }
+package com.ruoyi.file.utils;
+
+import java.io.File;
+import java.io.IOException;
+import org.apache.commons.io.FilenameUtils;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.web.multipart.MultipartFile;
+import com.ruoyi.common.core.exception.file.FileNameLengthLimitExceededException;
+import com.ruoyi.common.core.exception.file.FileSizeLimitExceededException;
+import com.ruoyi.common.core.exception.file.InvalidExtensionException;
+import com.ruoyi.common.core.utils.DateUtils;
+import com.ruoyi.common.core.utils.IdUtils;
+import com.ruoyi.common.core.utils.StringUtils;
+import com.ruoyi.common.core.utils.file.MimeTypeUtils;
+
+/**
+ * 文件上传工具类
+ * 
+ * @author ruoyi
+ */
+public class FileUploadUtils
+{
+    /**
+     * 默认大小 50M
+     */
+    public static final long DEFAULT_MAX_SIZE = 50 * 1024 * 1024;
+
+    /**
+     * 默认的文件名最大长度 100
+     */
+    public static final int DEFAULT_FILE_NAME_LENGTH = 100;
+
+    /**
+     * 资源映射路径 前缀
+     */
+    @Value("${file.prefix}")
+    public String localFilePrefix;
+
+    /**
+     * 根据文件路径上传
+     *
+     * @param baseDir 相对应用的基目录
+     * @param file 上传的文件
+     * @return 文件名称
+     * @throws IOException
+     */
+    public static final String upload(String baseDir, MultipartFile file) throws IOException
+    {
+        try
+        {
+            return upload(baseDir, file, MimeTypeUtils.DEFAULT_ALLOWED_EXTENSION);
+        }
+        catch (Exception e)
+        {
+            throw new IOException(e.getMessage(), e);
+        }
+    }
+
+    /**
+     * 文件上传
+     *
+     * @param baseDir 相对应用的基目录
+     * @param file 上传的文件
+     * @return 返回上传成功的文件名
+     * @throws FileSizeLimitExceededException 如果超出最大大小
+     * @throws FileNameLengthLimitExceededException 文件名太长
+     * @throws IOException 比如读写文件出错时
+     * @throws InvalidExtensionException 文件校验异常
+     */
+    public static final String upload(String baseDir, MultipartFile file, String[] allowedExtension)
+            throws FileSizeLimitExceededException, IOException, FileNameLengthLimitExceededException,
+            InvalidExtensionException
+    {
+        int fileNamelength = file.getOriginalFilename().length();
+        if (fileNamelength > FileUploadUtils.DEFAULT_FILE_NAME_LENGTH)
+        {
+            throw new FileNameLengthLimitExceededException(FileUploadUtils.DEFAULT_FILE_NAME_LENGTH);
+        }
+
+        assertAllowed(file, allowedExtension);
+
+        String fileName = extractFilename(file);
+
+        File desc = getAbsoluteFile(baseDir, fileName);
+        file.transferTo(desc);
+        String pathFileName = getPathFileName(fileName);
+        return pathFileName;
+    }
+
+    /**
+     * 编码文件名
+     */
+    public static final String extractFilename(MultipartFile file)
+    {
+        String fileName = file.getOriginalFilename();
+        String extension = getExtension(file);
+        fileName = DateUtils.datePath() + "/" + IdUtils.fastUUID() + "." + extension;
+        return fileName;
+    }
+
+    private static final File getAbsoluteFile(String uploadDir, String fileName) throws IOException
+    {
+        File desc = new File(uploadDir + File.separator + fileName);
+
+        if (!desc.exists())
+        {
+            if (!desc.getParentFile().exists())
+            {
+                desc.getParentFile().mkdirs();
+            }
+        }
+        return desc;
+    }
+
+    private static final String getPathFileName(String fileName) throws IOException
+    {
+        String pathFileName = "/" + fileName;
+        return pathFileName;
+    }
+
+    /**
+     * 文件大小校验
+     *
+     * @param file 上传的文件
+     * @return
+     * @throws FileSizeLimitExceededException 如果超出最大大小
+     * @throws InvalidExtensionException
+     */
+    public static final void assertAllowed(MultipartFile file, String[] allowedExtension)
+            throws FileSizeLimitExceededException, InvalidExtensionException
+    {
+        long size = file.getSize();
+        if (DEFAULT_MAX_SIZE != -1 && size > DEFAULT_MAX_SIZE)
+        {
+            throw new FileSizeLimitExceededException(DEFAULT_MAX_SIZE / 1024 / 1024);
+        }
+
+        String fileName = file.getOriginalFilename();
+        String extension = getExtension(file);
+        if (allowedExtension != null && !isAllowedExtension(extension, allowedExtension))
+        {
+            if (allowedExtension == MimeTypeUtils.IMAGE_EXTENSION)
+            {
+                throw new InvalidExtensionException.InvalidImageExtensionException(allowedExtension, extension,
+                        fileName);
+            }
+            else if (allowedExtension == MimeTypeUtils.FLASH_EXTENSION)
+            {
+                throw new InvalidExtensionException.InvalidFlashExtensionException(allowedExtension, extension,
+                        fileName);
+            }
+            else if (allowedExtension == MimeTypeUtils.MEDIA_EXTENSION)
+            {
+                throw new InvalidExtensionException.InvalidMediaExtensionException(allowedExtension, extension,
+                        fileName);
+            }
+            else if (allowedExtension == MimeTypeUtils.VIDEO_EXTENSION)
+            {
+                throw new InvalidExtensionException.InvalidVideoExtensionException(allowedExtension, extension,
+                        fileName);
+            }
+            else
+            {
+                throw new InvalidExtensionException(allowedExtension, extension, fileName);
+            }
+        }
+    }
+
+    /**
+     * 判断MIME类型是否是允许的MIME类型
+     *
+     * @param extension
+     * @param allowedExtension
+     * @return
+     */
+    public static final boolean isAllowedExtension(String extension, String[] allowedExtension)
+    {
+        for (String str : allowedExtension)
+        {
+            if (str.equalsIgnoreCase(extension))
+            {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * 获取文件名的后缀
+     * 
+     * @param file 表单文件
+     * @return 后缀名
+     */
+    public static final String getExtension(MultipartFile file)
+    {
+        String extension = FilenameUtils.getExtension(file.getOriginalFilename());
+        if (StringUtils.isEmpty(extension))
+        {
+            extension = MimeTypeUtils.getExtension(file.getContentType());
+        }
+        return extension;
+    }
 }
\ No newline at end of file