diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
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 # welsonjs
 WelsonJS - Build a Windows app on the Windows built-in JavaScript engine.
 
-![Image created by DALL-E](app/assets/img/overture.png)
+![Image created by DALL-E](app/assets/img/overture.jpg)
 
 Now, You can build an Windows desktop app with JavaScript, TypeScript, ReScript, and HTML/CSS on Windows built-in ECMAScript engine.