replace preview-tui demo (#898)

diff --git a/plugins/README.md b/plugins/README.md
index 246afcc4b4e7d806b012d62f52a900aace1ca968..9f957472fadc899d4dba1d0fa17ba83c7fd3314e 100644 (file)
--- a/plugins/README.md
+++ b/plugins/README.md
@@ -3,7 +3,7 @@
 <p align="center"><img src="https://i.imgur.com/SpT0L2W.png" /></p>
 <p align="center"><i>read ebooks with plugin gutenread (Android)</i></p>
 
-<p align="center"><a href="https://asciinema.org/a/336443"><img src="https://asciinema.org/a/336443.svg" width="734"/></a></p>
+<p align="center"><a href="https://s4.gifyu.com/images/previewtuidemo.gif"><img src="https://i.imgur.com/q8J5tzk.png" width="734"></a></p>
 <p align="center"><i>Live Previews</i></p>
 
 ## Introduction