diff --git a/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/service/http/RagHttpService.java b/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/service/http/RagHttpService.java
index 09ee4d04b..bc5a28512 100644
--- a/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/service/http/RagHttpService.java
+++ b/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/service/http/RagHttpService.java
@@ -428,7 +428,7 @@ public class RagHttpService {
         if ("md".equals(fileSuffix)) {
             log.info("正在处理 md 文件");
             try {
-                tempFilePath=  converterMdToTxt(tempFilePath.toString(), tempFilePath.toString().replace(".md", ".docx"));
+                tempFilePath=  converterMdToTxt(tempFilePath.toString(), tempFilePath.toString().replace(".md", ".txt"));
             } catch (Exception e) {
                 throw new RuntimeException(e);
             }