diff --git a/src/main/java/com/rymcu/forest/entity/ForestFile.java b/src/main/java/com/rymcu/forest/entity/ForestFile.java
index d2c3f4d..58a8dfa 100644
--- a/src/main/java/com/rymcu/forest/entity/ForestFile.java
+++ b/src/main/java/com/rymcu/forest/entity/ForestFile.java
@@ -23,6 +23,17 @@ public class ForestFile {
     @Column(name = "id")
     private Long id;
 
+    /**
+     * 文件大小
+     */
+    @Column(name = "file_size")
+    private long fileSize;
+
+    /**
+     * 文件类型-文件后缀
+     */
+    @Column(name = "file_type")
+    private String fileType;
     /**
      * 访问路径
      */
diff --git a/src/main/java/com/rymcu/forest/mapper/ForestFileMapper.java b/src/main/java/com/rymcu/forest/mapper/ForestFileMapper.java
index 327f217..96810cd 100644
--- a/src/main/java/com/rymcu/forest/mapper/ForestFileMapper.java
+++ b/src/main/java/com/rymcu/forest/mapper/ForestFileMapper.java
@@ -15,9 +15,10 @@ public interface ForestFileMapper extends Mapper<ForestFile> {
      *
      * @param md5Value  md5值
      * @param createdBy 创建人
-     * @return
+     * @param createdBy 创建人
+     * @param fileType  文件类型
      */
-    String getFileUrlByMd5(@Param("md5Value") String md5Value, @Param("createdBy") long createdBy);
+    String getFileUrlByMd5(@Param("md5Value") String md5Value, @Param("createdBy") long createdBy, @Param("fileType") String fileType);
 
     /**
      * 插入文件对象
@@ -26,8 +27,10 @@ public interface ForestFileMapper extends Mapper<ForestFile> {
      * @param filePath  上传路径
      * @param md5Value  md5值
      * @param createdBy 创建人
+     * @param fileSize  文件大小
+     * @param fileType  文件类型
      * @return
      */
-    int insertForestFile(@Param("fileUrl") String fileUrl, @Param("filePath") String filePath, @Param("md5Value") String md5Value, @Param("createdBy") long createdBy);
+    int insertForestFile(@Param("fileUrl") String fileUrl, @Param("filePath") String filePath, @Param("md5Value") String md5Value, @Param("createdBy") long createdBy, @Param("fileSize") long fileSize, @Param("fileType") String fileType);
 
 }
diff --git a/src/main/java/com/rymcu/forest/service/ForestFileService.java b/src/main/java/com/rymcu/forest/service/ForestFileService.java
index 5459d86..ba48900 100644
--- a/src/main/java/com/rymcu/forest/service/ForestFileService.java
+++ b/src/main/java/com/rymcu/forest/service/ForestFileService.java
@@ -17,9 +17,10 @@ public interface ForestFileService extends Service<ForestFile> {
      *
      * @param md5Value  md5值
      * @param createdBy 用户id
+     * @param fileType  文件类型
      * @return
      */
-    String getFileUrlByMd5(String md5Value, long createdBy);
+    String getFileUrlByMd5(String md5Value, long createdBy, String fileType);
 
     /**
      * 插入文件对象
@@ -28,7 +29,9 @@ public interface ForestFileService extends Service<ForestFile> {
      * @param filePath  上传路径
      * @param md5Value  md5值
      * @param createdBy 创建人
+     * @param fileSize  文件大小
+     * @param fileType  文件类型
      * @return
      */
-    int insertForestFile(String fileUrl, String filePath, String md5Value, long createdBy);
+    int insertForestFile(String fileUrl, String filePath, String md5Value, long createdBy, long fileSize, String fileType);
 }
diff --git a/src/main/java/com/rymcu/forest/service/impl/ForestFileServiceImpl.java b/src/main/java/com/rymcu/forest/service/impl/ForestFileServiceImpl.java
index 4f178f9..9354b19 100644
--- a/src/main/java/com/rymcu/forest/service/impl/ForestFileServiceImpl.java
+++ b/src/main/java/com/rymcu/forest/service/impl/ForestFileServiceImpl.java
@@ -24,11 +24,12 @@ public class ForestFileServiceImpl extends AbstractService<ForestFile> implement
      *
      * @param md5Value  md5值
      * @param createdBy 用户id
+     * @param fileType  文件类型
      * @return
      */
     @Override
-    public String getFileUrlByMd5(String md5Value, long createdBy) {
-        return forestFileMapper.getFileUrlByMd5(md5Value, createdBy);
+    public String getFileUrlByMd5(String md5Value, long createdBy, String fileType) {
+        return forestFileMapper.getFileUrlByMd5(md5Value, createdBy, fileType);
     }
 
     /**
@@ -38,10 +39,12 @@ public class ForestFileServiceImpl extends AbstractService<ForestFile> implement
      * @param filePath  上传路径
      * @param md5Value  md5值
      * @param createdBy 创建人
+     * @param fileSize  文件大小
+     * @param fileType  文件类型
      * @return
      */
     @Override
-    public int insertForestFile(String fileUrl, String filePath, String md5Value, long createdBy) {
-        return forestFileMapper.insertForestFile(fileUrl, filePath, md5Value, createdBy);
+    public int insertForestFile(String fileUrl, String filePath, String md5Value, long createdBy, long fileSize, String fileType) {
+        return forestFileMapper.insertForestFile(fileUrl, filePath, md5Value, createdBy, fileSize, fileType);
     }
 }
diff --git a/src/main/java/com/rymcu/forest/util/FileUtils.java b/src/main/java/com/rymcu/forest/util/FileUtils.java
index 61ee8ab..696c30b 100644
--- a/src/main/java/com/rymcu/forest/util/FileUtils.java
+++ b/src/main/java/com/rymcu/forest/util/FileUtils.java
@@ -18,7 +18,7 @@ public class FileUtils {
     private static final Logger logger = LoggerFactory.getLogger(FileUtils.class);
 
     /**
-     * 获取文件扩展名
+     * 获取文件扩展名,带.
      *
      * @param filename
      * @return
@@ -31,6 +31,7 @@ public class FileUtils {
      * 获取文件扩展名
      *
      * @param filename
+     * @param defExt   默认文件后缀名， 带.
      * @return
      */
     public static String getExtend(String filename, String defExt) {
@@ -41,7 +42,7 @@ public class FileUtils {
         int i = filename.lastIndexOf('.');
 
         if ((i > 0) && (i < (filename.length() - 1))) {
-            String result = filename.substring(i + 1).toLowerCase();
+            String result = filename.substring(i).toLowerCase();
             if (result.contains("?")) {
                 return result.split("\\?")[0];
             }
diff --git a/src/main/java/com/rymcu/forest/web/api/common/UploadController.java b/src/main/java/com/rymcu/forest/web/api/common/UploadController.java
index 2495184..437ff25 100644
--- a/src/main/java/com/rymcu/forest/web/api/common/UploadController.java
+++ b/src/main/java/com/rymcu/forest/web/api/common/UploadController.java
@@ -42,8 +42,7 @@ public class UploadController {
     private final static String UPLOAD_URL = "/api/upload/file/batch";
     private final static String LINK_TO_IMAGE_URL = "/api/upload/file/link";
 
-    private static Environment env = SpringContextHolder.getBean(Environment.class);
-
+    private static final Environment env = SpringContextHolder.getBean(Environment.class);
     @Resource
     private ForestFileService forestFileService;
 
@@ -120,8 +119,15 @@ public class UploadController {
         }
         TokenUser tokenUser = getTokenUser(request);
         Map data = new HashMap(2);
+
+        if (multipartFile.getSize() == 0) {
+            data.put("message", "上传失败!");
+            return GlobalResultGenerator.genSuccessResult(data);
+        }
         String md5 = DigestUtils.md5DigestAsHex(multipartFile.getInputStream());
-        String fileUrl = forestFileService.getFileUrlByMd5(md5, tokenUser.getIdUser());
+        String orgName = multipartFile.getOriginalFilename();
+        String fileType = FileUtils.getExtend(orgName);
+        String fileUrl = forestFileService.getFileUrlByMd5(md5, tokenUser.getIdUser(), fileType);
         if (StringUtils.isNotEmpty(fileUrl)) {
             data.put("url", fileUrl);
             return GlobalResultGenerator.genSuccessResult(data);
@@ -137,15 +143,15 @@ public class UploadController {
 
         String localPath = Utils.getProperty("resource.file-path") + "/" + typePath + "/";
 
-        String orgName = multipartFile.getOriginalFilename();
-        String fileName = System.currentTimeMillis() + "." + FileUtils.getExtend(orgName).toLowerCase();
+
+        String fileName = System.currentTimeMillis() + fileType;
 
         String savePath = file.getPath() + File.separator + fileName;
         fileUrl = localPath + fileName;
         File saveFile = new File(savePath);
         try {
             FileCopyUtils.copy(multipartFile.getBytes(), saveFile);
-            forestFileService.insertForestFile(fileUrl, savePath, md5, tokenUser.getIdUser());
+            forestFileService.insertForestFile(fileUrl, savePath, md5, tokenUser.getIdUser(), multipartFile.getSize(), fileType);
             data.put("url", fileUrl);
         } catch (IOException e) {
             data.put("message", "上传失败!");
@@ -174,21 +180,25 @@ public class UploadController {
         for (int i = 0, len = multipartFiles.length; i < len; i++) {
             MultipartFile multipartFile = multipartFiles[i];
             String orgName = multipartFile.getOriginalFilename();
-            String fileName = System.currentTimeMillis() + "." + FileUtils.getExtend(orgName).toLowerCase();
+
+            if (multipartFile.getSize() == 0) {
+                errFiles.add(orgName);
+                continue;
+            }
+            String fileType = FileUtils.getExtend(orgName);
+            String fileName = System.currentTimeMillis() + fileType;
             String savePath = file.getPath() + File.separator + fileName;
             File saveFile = new File(savePath);
-            try (InputStream in = multipartFiles[i].getInputStream();
-                 OutputStream out = Files.newOutputStream(saveFile.toPath())) {
+            try (InputStream in = multipartFiles[i].getInputStream(); OutputStream out = Files.newOutputStream(saveFile.toPath())) {
                 String md5 = DigestUtils.md5DigestAsHex(in);
-                String fileUrl = forestFileService.getFileUrlByMd5(md5, tokenUser.getIdUser());
+                String fileUrl = forestFileService.getFileUrlByMd5(md5, tokenUser.getIdUser(), fileType);
                 if (StringUtils.isNotEmpty(fileUrl)) {
                     successMap.put(orgName, fileUrl);
                     continue;
                 }
-
                 fileUrl = localPath + fileName;
                 FileCopyUtils.copy(in, out);
-                forestFileService.insertForestFile(fileUrl, savePath, md5, tokenUser.getIdUser());
+                forestFileService.insertForestFile(fileUrl, savePath, md5, tokenUser.getIdUser(), multipartFile.getSize(), fileType);
                 successMap.put(orgName, localPath + fileName);
             } catch (IOException e) {
                 errFiles.add(orgName);
@@ -246,53 +256,57 @@ public class UploadController {
         //防止屏蔽程序抓取而返回403错误
         conn.setRequestProperty("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.75 Safari/537.36");
         conn.setRequestProperty("referer", "");
-
-        //得到输入流
-        InputStream inputStream = conn.getInputStream();
-
-        // 获取文件md5值
-        String md5 = DigestUtils.md5DigestAsHex(inputStream);
-        String fileUrl = forestFileService.getFileUrlByMd5(md5, tokenUser.getIdUser());
-
         Map data = new HashMap(2);
-        data.put("originalURL", url);
+        //得到输入流
+        try (InputStream inputStream = conn.getInputStream()) {
+            //获取自己数组
+            byte[] getData = readInputStream(inputStream);
+            if (getData.length == 0) {
+                data.put("message", "文件为空!");
+                return GlobalResultGenerator.genSuccessResult(data);
+            }
 
-        if (StringUtils.isNotEmpty(fileUrl)) {
+            // 获取文件md5值
+            String md5 = DigestUtils.md5DigestAsHex(inputStream);
+            String fileType = FileUtils.getExtend(url);
+            String fileUrl = forestFileService.getFileUrlByMd5(md5, tokenUser.getIdUser(), fileType);
+
+            data.put("originalURL", url);
+
+            if (StringUtils.isNotEmpty(fileUrl)) {
+                data.put("url", fileUrl);
+                return GlobalResultGenerator.genSuccessResult(data);
+            }
+
+            Integer type = linkToImageUrlDTO.getType();
+            if (Objects.isNull(type)) {
+                type = 1;
+            }
+            String typePath = getTypePath(type);
+            //图片存储路径
+            String ctxHeadPicPath = env.getProperty("resource.pic-path");
+            String dir = ctxHeadPicPath + "/" + typePath;
+            File file = new File(dir);
+            if (!file.exists()) {
+                file.mkdirs();// 创建文件根目录
+            }
+
+            String fileName = System.currentTimeMillis() + fileType;
+            fileUrl = Utils.getProperty("resource.file-path") + "/" + typePath + "/" + fileName;
+
+            String savePath = file.getPath() + File.separator + fileName;
+            File saveFile = new File(savePath);
+
+            FileCopyUtils.copy(getData, saveFile);
+            forestFileService.insertForestFile(fileUrl, savePath, md5, tokenUser.getIdUser(), getData.length, fileType);
+            data.put("originalURL", url);
             data.put("url", fileUrl);
             return GlobalResultGenerator.genSuccessResult(data);
+        } catch (IOException e) {
+            data.put("message", "上传失败");
+            return GlobalResultGenerator.genSuccessResult(data);
         }
 
-        Integer type = linkToImageUrlDTO.getType();
-        if (Objects.isNull(type)) {
-            type = 1;
-        }
-        String typePath = getTypePath(type);
-        //图片存储路径
-        String ctxHeadPicPath = env.getProperty("resource.pic-path");
-        String dir = ctxHeadPicPath + "/" + typePath;
-        File file = new File(dir);
-        if (!file.exists()) {
-            file.mkdirs();// 创建文件根目录
-        }
-
-
-        String fileName = System.currentTimeMillis() + "." + FileUtils.getExtend(url);
-        fileUrl = Utils.getProperty("resource.file-path") + "/" + typePath + "/" + fileName;
-
-        String savePath = file.getPath() + File.separator + fileName;
-
-        File saveFile = new File(savePath);
-        try {
-            //获取自己数组
-            byte[] getData = readInputStream(inputStream);
-            FileCopyUtils.copy(getData, saveFile);
-            forestFileService.insertForestFile(fileUrl, savePath, md5, tokenUser.getIdUser());
-            data.put("originalURL", url);
-            data.put("url", fileUrl);
-        } catch (IOException e) {
-            data.put("message", "上传失败!");
-        }
-        return GlobalResultGenerator.genSuccessResult(data);
 
     }
 
diff --git a/src/main/java/mapper/ForestFileMapper.xml b/src/main/java/mapper/ForestFileMapper.xml
index d9dcd7a..7047c34 100644
--- a/src/main/java/mapper/ForestFileMapper.xml
+++ b/src/main/java/mapper/ForestFileMapper.xml
@@ -3,6 +3,8 @@
 <mapper namespace="com.rymcu.forest.mapper.ForestFileMapper">
     <resultMap id="BaseResultMap" type="com.rymcu.forest.entity.ForestFile">
         <id column="id" property="id"/>
+        <id column="file_size" property="fileSize"/>
+        <id column="file_type" property="fileType"/>
         <result column="md5_value" property="md5Value"/>
         <result column="file_path" property="filePath"/>
         <result column="file_url" property="fileUrl"/>
@@ -12,8 +14,8 @@
     </resultMap>
 
     <insert id="insertForestFile">
-        insert into forest_file (md5_value, file_path, file_url, created_time, created_by)
-        values (#{md5Value}, #{filePath}, #{fileUrl}, sysdate(), #{createdBy})
+        insert into forest_file (md5_value, file_path, file_url, created_time, created_by, file_size, file_type)
+        values (#{md5Value}, #{filePath}, #{fileUrl}, sysdate(), #{createdBy}, #{fileSize}, #{fileType})
     </insert>
 
     <select id="getFileUrlByMd5" resultType="java.lang.String">
@@ -21,6 +23,7 @@
         from forest_file
         where md5_value = #{md5Value}
           and created_by = #{createdBy}
+          and file_type = #{fileType}
     </select>
 
 </mapper>
\ No newline at end of file