diff --git a/laws-modules/src/main/java/com/jero/modules/onlyoffice/service/impl/BusProcessModelHisServiceImpl.java b/laws-modules/src/main/java/com/jero/modules/onlyoffice/service/impl/BusProcessModelHisServiceImpl.java
index 99dfca2f..627bfe28 100644
--- a/laws-modules/src/main/java/com/jero/modules/onlyoffice/service/impl/BusProcessModelHisServiceImpl.java
+++ b/laws-modules/src/main/java/com/jero/modules/onlyoffice/service/impl/BusProcessModelHisServiceImpl.java
@@ -432,6 +432,8 @@ public class BusProcessModelHisServiceImpl extends ServiceImpl<BusProcessModelHi
             // 文件名
             String fileName = his.getFileName();
             fileName = CommonUtils.getFileName(fileName);
+            // 判断如果文件名后缀是doc则改为docx
+            fileName = fileName.endsWith(".doc") ? fileName + "x" : fileName;
             ossFile.setFileName(fileName);
             ossFile.setUrl(savePath);
             ossFile.setStandardFileType(FieldCommon.FILE_PUBLISH_OF_ORIGINAL);