diff --git a/packages/frontend/core/src/components/affine/ai-onboarding/local.dialog.tsx b/packages/frontend/core/src/components/affine/ai-onboarding/local.dialog.tsx
index be8e183045..367619535e 100644
--- a/packages/frontend/core/src/components/affine/ai-onboarding/local.dialog.tsx
+++ b/packages/frontend/core/src/components/affine/ai-onboarding/local.dialog.tsx
@@ -15,7 +15,7 @@ const LocalOnboardingAnimation = () => {
     <div className={styles.thumb}>
       <video
         className={styles.thumbContent}
-        src="/onboarding/ai-onboarding.general.1.mov"
+        src="/onboarding/ai-onboarding.general.1.mp4"
         autoPlay
         loop
         muted