diff --git a/web/src/components/player/PreviewThumbnailPlayer.tsx b/web/src/components/player/PreviewThumbnailPlayer.tsx
index a923fce11..1fdcaa8b5 100644
--- a/web/src/components/player/PreviewThumbnailPlayer.tsx
+++ b/web/src/components/player/PreviewThumbnailPlayer.tsx
@@ -186,8 +186,8 @@ function PreviewContent({
 
       const touchEnd = new Date().getTime();
 
-      // consider tap less than 150 ms
-      if (touchEnd - touchStart < 150) {
+      // consider tap less than 100 ms
+      if (touchEnd - touchStart < 100) {
         onClick();
       }
     });
diff --git a/web/src/views/history/MobileTimelineView.tsx b/web/src/views/history/MobileTimelineView.tsx
index 91a621ab3..7577336d1 100644
--- a/web/src/views/history/MobileTimelineView.tsx
+++ b/web/src/views/history/MobileTimelineView.tsx
@@ -203,7 +203,7 @@ export default function MobileTimelineView({
             <VideoPlayer
               options={{
                 preload: "auto",
-                autoplay: false,
+                autoplay: true,
                 controls: false,
                 muted: true,
                 loadingSpinner: false,
@@ -217,6 +217,7 @@ export default function MobileTimelineView({
               seekOptions={{}}
               onReady={(player) => {
                 previewRef.current = player;
+                player.pause();
                 player.on("seeked", () => setSeeking(false));
               }}
               onDispose={() => {