Update README.md

Author: whwnsdlr1

README.md

@@ -1,6 +1,6 @@
 # vue-image-diff
 
-![Alt Text](https://github.com/whwnsdlr1/vue-image-diff/blob/master/example/example.gif)
+![](https://github.com/whwnsdlr1/vue-image-diff/blob/master/example/example.gif?raw=true)
 <br />
 vue component for multiple image comparison.
 <br />
@@ -120,7 +120,7 @@ optToolBar = {
 }
 ```
 ### functions
-![Alt Text](https://github.com/whwnsdlr1/vue-image-diff/blob/master/example/control_panel.png)
+![](https://github.com/whwnsdlr1/vue-image-diff/blob/master/example/control_panel.png?raw=true)
 - open Control panel: openControlPanel()