diff --git a/README.md b/README.md
index ef8d6f7..5530122 100644
--- a/README.md
+++ b/README.md
@@ -2,16 +2,16 @@
 
 A DeskTop rss-Reader app base on [tauri-app](https://github.com/tauri-apps/tauri).
 
-### Why tauri-app? 
+### Why tauri-app?
 
 😕For developing desktop applications, there are a number of frameworks to choose from, such as:
 
-* [electron](https://github.com/electron/electron): chromium + Nodejs
-* [neutralinojs](https://github.com/neutralinojs/neutralinojs): webview + c++
-* [Chromely](https://github.com/chromelyapps/Chromely): CEF + .net
-* [electrino](https://github.com/pojala/electrino): webview + .net
-* [go-astilectron](https://github.com/asticode/go-astilectron): electron + go
-* [wails](https://github.com/wailsapp/wails): webview + go
+- [electron](https://github.com/electron/electron): chromium + Nodejs
+- [neutralinojs](https://github.com/neutralinojs/neutralinojs): webview + c++
+- [Chromely](https://github.com/chromelyapps/Chromely): CEF + .net
+- [electrino](https://github.com/pojala/electrino): webview + .net
+- [go-astilectron](https://github.com/asticode/go-astilectron): electron + go
+- [wails](https://github.com/wailsapp/wails): webview + go
 
 Although the usage of `electron` has been far ahead，but it has been criticized for its huge size and memory usage during runtime.
 
@@ -21,7 +21,7 @@ You can see its trend [here](https://risingstars.js.org/2021/en). I believe it w
 
 ### Why Rss-Reader?
 
-🤔As you can see, there are many [RSS products on the market](https://zapier.com/blog/best-rss-feed-reader-apps/#inoreader), but most of them are in the form of Web sites, and you have to exchange your personal information for the permission to log in to the site (some people resent this behavior). 
+🤔As you can see, there are many [RSS products on the market](https://zapier.com/blog/best-rss-feed-reader-apps/#inoreader), but most of them are in the form of Web sites, and you have to exchange your personal information for the permission to log in to the site (some people resent this behavior).
 
 Among the products of desktop programs, there are few products with beautiful interface and open source. I think it is best if the products on the user side can be free and open source without advertisements, and secondly, capable developers can also add their own ideas.
 
@@ -33,4 +33,4 @@ Among the products of desktop programs, there are few products with beautiful in
 
 ## Preview
 
-![img](./img/one.gif)
+![img](./img/demo.gif)
diff --git a/img/one.gif b/img/demo.gif
similarity index 100%
rename from img/one.gif
rename to img/demo.gif