diff --git a/jodconverter-web/src/main/java/cn/keking/service/impl/SimTextFilePreviewImpl.java b/jodconverter-web/src/main/java/cn/keking/service/impl/SimTextFilePreviewImpl.java
index 2168d873..704ae731 100644
--- a/jodconverter-web/src/main/java/cn/keking/service/impl/SimTextFilePreviewImpl.java
+++ b/jodconverter-web/src/main/java/cn/keking/service/impl/SimTextFilePreviewImpl.java
@@ -39,6 +39,9 @@ public class SimTextFilePreviewImpl implements FilePreview{
         try {
             File originFile = new File(response.getContent());
             File previewFile = new File(response.getContent() + ".txt");
+            if (previewFile.exists()) {
+                previewFile.delete();
+            }
             Files.copy(originFile.toPath(), previewFile.toPath());
         } catch (IOException e) {
             model.addAttribute("msg", e.getLocalizedMessage());