diff --git a/README.md b/README.md
index f9edbfb7..7c9bd635 100644
--- a/README.md
+++ b/README.md
@@ -56,7 +56,6 @@
 
 ![](orange-demo-activiti/flow-bpmn-jsimage.png)
 
-![](orange-demo-activiti/flow-bpmn-jsimage.png)
 ![](orange-demo-activiti/online-edit.png)
 ![](orange-demo-activiti/report_edit.png)
 ![](orange-demo-activiti/print_edit.png)
diff --git a/orange-demo-activiti/image-dingding.png b/orange-demo-activiti/image-dingding.png
index 5fcb5744..58fa0420 100644
Binary files a/orange-demo-activiti/image-dingding.png and b/orange-demo-activiti/image-dingding.png differ