测试mp4

README.md

@@ -31,6 +31,6 @@ spring boot 1.5.8整合Activiti6.0及其Activiti-modeler
 
 <video src="./readmeimg/test.mp4" controls="controls" width="500" height="300">测试</video>
 
-[![Watch the video](./readmeimg/test.gif)](./readmeimg/test.mp4)
+[![Watch the video](./readmeimg/activiti.png)](./readmeimg/test.mp4)