diff --git a/server/src/main/java/cn/keking/model/FileType.java b/server/src/main/java/cn/keking/model/FileType.java
index f3255e2a..48033312 100644
--- a/server/src/main/java/cn/keking/model/FileType.java
+++ b/server/src/main/java/cn/keking/model/FileType.java
@@ -24,12 +24,10 @@ public enum FileType {
     FLV("flvFilePreviewImpl"),
     CAD("cadFilePreviewImpl"),
     TIFF("tiffFilePreviewImpl"),
-    PPT("pptFilePreviewImpl"),
     OFD("ofdFilePreviewImpl");
 
 
-    private static final String[] OFFICE_TYPES = {"docx", "wps", "doc", "xls", "xlsx"};
-    private static final String[] PPT_TYPES = {"ppt", "pptx"};
+    private static final String[] OFFICE_TYPES = {"docx", "wps", "doc", "xls", "xlsx", "ppt", "pptx"};
     private static final String[] PICTURE_TYPES = {"jpg", "jpeg", "png", "gif", "bmp", "ico", "raw"};
     private static final String[] ARCHIVE_TYPES = {"rar", "zip", "jar", "7-zip", "tar", "gzip", "7z"};
     private static final String[] TIFF_TYPES = {"tif", "tiff"};
@@ -68,9 +66,6 @@ public enum FileType {
         for (String ofd : OFD_TYPES) {
             FILE_TYPE_MAPPER.put(ofd, FileType.OFD);
         }
-        for (String ppt : PPT_TYPES) {
-            FILE_TYPE_MAPPER.put(ppt, FileType.PPT);
-        }
         FILE_TYPE_MAPPER.put("md", FileType.MARKDOWN);
         FILE_TYPE_MAPPER.put("xml", FileType.XML);
         FILE_TYPE_MAPPER.put("pdf", FileType.PDF);
diff --git a/server/src/main/java/cn/keking/service/FileConvertQueueTask.java b/server/src/main/java/cn/keking/service/FileConvertQueueTask.java
index dac039e2..e5d62485 100644
--- a/server/src/main/java/cn/keking/service/FileConvertQueueTask.java
+++ b/server/src/main/java/cn/keking/service/FileConvertQueueTask.java
@@ -81,7 +81,7 @@ public class FileConvertQueueTask {
         }
 
         public boolean isNeedConvert(FileType fileType) {
-            return fileType.equals(FileType.COMPRESS) || fileType.equals(FileType.OFFICE) || fileType.equals(FileType.CAD) || fileType.equals(FileType.PPT);
+            return fileType.equals(FileType.COMPRESS) || fileType.equals(FileType.OFFICE) || fileType.equals(FileType.CAD);
 
         }
     }
diff --git a/server/src/main/java/cn/keking/service/impl/OfficeFilePreviewImpl.java b/server/src/main/java/cn/keking/service/impl/OfficeFilePreviewImpl.java
index dc6977f5..1853a322 100644
--- a/server/src/main/java/cn/keking/service/impl/OfficeFilePreviewImpl.java
+++ b/server/src/main/java/cn/keking/service/impl/OfficeFilePreviewImpl.java
@@ -73,6 +73,8 @@ public class OfficeFilePreviewImpl implements FilePreview {
     }
 
     static String getPreviewType(Model model, FileAttribute fileAttribute, String officePreviewType, String baseUrl, String pdfName, String outFilePath, FileHandlerService fileHandlerService, String officePreviewTypeImage, OtherFilePreviewImpl otherFilePreview) {
+        String suffix = fileAttribute.getSuffix();
+        boolean isPPT = suffix.equalsIgnoreCase("ppt") || suffix.equalsIgnoreCase("pptx");
         List<String> imageUrls = fileHandlerService.pdf2jpg(outFilePath, pdfName, baseUrl);
         if (imageUrls == null || imageUrls.size() < 1) {
             return otherFilePreview.notSupportedFile(model, fileAttribute, "office转图片异常，请联系管理员");
@@ -80,7 +82,8 @@ public class OfficeFilePreviewImpl implements FilePreview {
         model.addAttribute("imgurls", imageUrls);
         model.addAttribute("currentUrl", imageUrls.get(0));
         if (officePreviewTypeImage.equals(officePreviewType)) {
-            return OFFICE_PICTURE_FILE_PREVIEW_PAGE;
+            // PPT 图片模式使用专用预览页面
+            return (isPPT ? PPT_FILE_PREVIEW_PAGE : OFFICE_PICTURE_FILE_PREVIEW_PAGE);
         } else {
             return PICTURE_FILE_PREVIEW_PAGE;
         }
diff --git a/server/src/main/java/cn/keking/service/impl/PptFilePreviewImpl.java b/server/src/main/java/cn/keking/service/impl/PptFilePreviewImpl.java
deleted file mode 100644
index c365eee0..00000000
--- a/server/src/main/java/cn/keking/service/impl/PptFilePreviewImpl.java
+++ /dev/null
@@ -1,26 +0,0 @@
-package cn.keking.service.impl;
-
-import cn.keking.model.FileAttribute;
-import cn.keking.service.FilePreview;
-import org.springframework.stereotype.Service;
-import org.springframework.ui.Model;
-
-/**
- * @author kl (http://kailing.pub)
- * @since 2021/6/17
- */
-@Service
-public class PptFilePreviewImpl implements FilePreview {
-
-    private final OfficeFilePreviewImpl officeFilePreview;
-
-    public PptFilePreviewImpl(OfficeFilePreviewImpl officeFilePreview) {
-        this.officeFilePreview = officeFilePreview;
-    }
-
-    @Override
-    public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
-        officeFilePreview.filePreviewHandle(url,model,fileAttribute);
-        return PPT_FILE_PREVIEW_PAGE;
-    }
-}