diff --git a/laws-modules/src/main/java/com/jero/modules/onlyoffice/controller/OnlyOfficeController.java b/laws-modules/src/main/java/com/jero/modules/onlyoffice/controller/OnlyOfficeController.java
index bf24e288..30e0ba13 100644
--- a/laws-modules/src/main/java/com/jero/modules/onlyoffice/controller/OnlyOfficeController.java
+++ b/laws-modules/src/main/java/com/jero/modules/onlyoffice/controller/OnlyOfficeController.java
@@ -122,6 +122,9 @@ public class OnlyOfficeController {
     @ApiOperation(value = "根据Id获取文件信息")
     @GetMapping("/queryById")
     public Result<Map<String, String>> queryById(String id) {
+        if (StringUtils.isBlank(id)) {
+            return Result.error("id不能为空！");
+        }
         HashMap<String, String> map = new HashMap<>();
         BusProcessModelHis his = busProcessModelHisService.getById(id);
         map.put("fileName", his.getFileName());