diff --git a/server/src/main/java/cn/keking/service/impl/CadFilePreviewImpl.java b/server/src/main/java/cn/keking/service/impl/CadFilePreviewImpl.java
index 155821c33655651aaa037c129d1dc7b957183dcd..932e48ddf44ec00dcdedacde8730752c9dec5ce7 100644
--- a/server/src/main/java/cn/keking/service/impl/CadFilePreviewImpl.java
+++ b/server/src/main/java/cn/keking/service/impl/CadFilePreviewImpl.java
@@ -45,11 +45,17 @@ public class CadFilePreviewImpl implements FilePreview {
         String outFilePath = fileAttribute.getOutFilePath();
         // 判断之前是否已转换过，如果转换过，直接返回，否则执行转换
         if (forceUpdatedCache || !fileHandlerService.listConvertedFiles().containsKey(cacheName) || !ConfigConstants.isCacheEnabled()) {
-            ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, fileName);
-            if (response.isFailure()) {
-                return otherFilePreview.notSupportedFile(model, fileAttribute, response.getMsg());
+            String filePath = "";
+            if(fileAttribute.getCompressFile()) {
+                //如果是压缩文件预览无需重新下载
+                filePath = fileAttribute.getOriginFilePath();
+            } else {
+                ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, fileName);
+                if (response.isFailure()) {
+                    return otherFilePreview.notSupportedFile(model, fileAttribute, response.getMsg());
+                }
+                filePath = response.getContent();
             }
-            String filePath = response.getContent();
             String imageUrls = null;
             if (StringUtils.hasText(outFilePath)) {
                 try {