diff --git a/src/main/java/cn/biq/mn/TestController.java b/src/main/java/cn/biq/mn/TestController.java
index 1a41556..a433108 100644
--- a/src/main/java/cn/biq/mn/TestController.java
+++ b/src/main/java/cn/biq/mn/TestController.java
@@ -21,7 +21,7 @@ public class TestController {
 
     @RequestMapping(method = RequestMethod.GET, value = "/version")
     public BaseResponse handleVersion() {
-        return new DataResponse<>("93.54");
+        return new DataResponse<>("93.55");
     }
 
     @GetMapping("/test3")
diff --git a/src/main/java/cn/biq/mn/balanceflow/BalanceFlowController.java b/src/main/java/cn/biq/mn/balanceflow/BalanceFlowController.java
index 65995b4..3126884 100644
--- a/src/main/java/cn/biq/mn/balanceflow/BalanceFlowController.java
+++ b/src/main/java/cn/biq/mn/balanceflow/BalanceFlowController.java
@@ -57,6 +57,11 @@ public BaseResponse handleConfirm(@PathVariable("id") Integer id) {
 
     @RequestMapping(method = RequestMethod.POST, value = "/{id}/addFile")
     public BaseResponse handleAddFile(@PathVariable("id") Integer id, @Validated @ValidFile @RequestParam("file") MultipartFile file) {
+        try {
+            Thread.sleep(4000);
+        } catch (InterruptedException e) {
+            throw new RuntimeException(e);
+        }
         return new DataResponse<>(balanceFlowService.addFile(id, file));
     }