diff --git a/kernel-d-file/file-api/src/main/java/cn/stylefeng/roses/kernel/file/api/pojo/AntdvFileInfo.java b/kernel-d-file/file-api/src/main/java/cn/stylefeng/roses/kernel/file/api/pojo/AntdvFileInfo.java
index 5cc35e71e..ada242396 100644
--- a/kernel-d-file/file-api/src/main/java/cn/stylefeng/roses/kernel/file/api/pojo/AntdvFileInfo.java
+++ b/kernel-d-file/file-api/src/main/java/cn/stylefeng/roses/kernel/file/api/pojo/AntdvFileInfo.java
@@ -53,4 +53,11 @@ public class AntdvFileInfo {
      */
     private String sizeInfo;
 
+    /**
+     * 文件后缀
+     * <p>
+     * 【2024年4月10日新增】
+     */
+    private String fileSuffix;
+
 }
diff --git a/kernel-d-file/file-business/src/main/java/cn/stylefeng/roses/kernel/file/modular/service/impl/SysFileInfoServiceImpl.java b/kernel-d-file/file-business/src/main/java/cn/stylefeng/roses/kernel/file/modular/service/impl/SysFileInfoServiceImpl.java
index db4a72bb6..e78c74e10 100644
--- a/kernel-d-file/file-business/src/main/java/cn/stylefeng/roses/kernel/file/modular/service/impl/SysFileInfoServiceImpl.java
+++ b/kernel-d-file/file-business/src/main/java/cn/stylefeng/roses/kernel/file/modular/service/impl/SysFileInfoServiceImpl.java
@@ -576,13 +576,14 @@ public class SysFileInfoServiceImpl extends ServiceImpl<SysFileInfoMapper, SysFi
             // 设置文件名称
             LambdaQueryWrapper<SysFileInfo> sysFileInfoLambdaQueryWrapper = new LambdaQueryWrapper<>();
             sysFileInfoLambdaQueryWrapper.eq(SysFileInfo::getFileId, fileId);
-            sysFileInfoLambdaQueryWrapper.select(SysFileInfo::getFileOriginName, SysFileInfo::getFileSizeInfo);
+            sysFileInfoLambdaQueryWrapper.select(SysFileInfo::getFileOriginName, SysFileInfo::getFileSizeInfo, SysFileInfo::getFileSuffix);
             SysFileInfo sysFileInfo = this.getOne(sysFileInfoLambdaQueryWrapper);
             if (sysFileInfo == null) {
                 continue;
             }
             antdvFileInfo.setName(sysFileInfo.getFileOriginName());
             antdvFileInfo.setSizeInfo(sysFileInfo.getFileSizeInfo());
+            antdvFileInfo.setFileSuffix(sysFileInfo.getFileSuffix());
 
             // 设置文件的访问url
             String fileAuthUrl = this.getFileAuthUrl(fileId);