diff --git a/ruoyi-modules/ruoyi-file/src/main/java/org/dromara/file/service/impl/FileService.java b/ruoyi-modules/ruoyi-file/src/main/java/org/dromara/file/service/impl/FileService.java
index b356c69..4bd336e 100644
--- a/ruoyi-modules/ruoyi-file/src/main/java/org/dromara/file/service/impl/FileService.java
+++ b/ruoyi-modules/ruoyi-file/src/main/java/org/dromara/file/service/impl/FileService.java
@@ -1,7 +1,8 @@
 package org.dromara.file.service.impl;
 
+import com.aspose.cells.Workbook;
+import com.aspose.slides.Presentation;
 import com.aspose.words.Document;
-import com.aspose.words.SaveFormat;
 import jakarta.servlet.http.HttpServletResponse;
 import lombok.RequiredArgsConstructor;
 import org.dromara.common.oss.core.OssClient;
@@ -48,7 +49,15 @@ public class FileService implements IFileService {
             // 前端word预览仅支持.docx，将.doc转换为.docx
             if ((".doc").equals(sysOss.getFileSuffix())) {
                 Document doc = new Document(is);
-                doc.save(os, SaveFormat.DOCX);
+                doc.save(os, com.aspose.words.SaveFormat.DOCX);
+            }
+            if ((".xls").equals(sysOss.getFileSuffix())) {
+                Workbook xls = new Workbook(is);
+                xls.save(os, com.aspose.cells.SaveFormat.XLSX);
+            }
+            if ((".ppt").equals(sysOss.getFileSuffix())) {
+                Presentation xls = new Presentation(is);
+                xls.save(os, com.aspose.slides.SaveFormat.Pptx);
             }
             int len = 0;
             while ((len = is.read(byteData)) != -1) {