diff --git a/frontend/app/components/assistant-ui/thread-list.tsx b/frontend/app/components/assistant-ui/thread-list.tsx
index 7a185fa..d3961af 100644
--- a/frontend/app/components/assistant-ui/thread-list.tsx
+++ b/frontend/app/components/assistant-ui/thread-list.tsx
@@ -521,7 +521,7 @@ const ClawSessionList: FC = () => {
 								<button
 									type="button"
 									className={`aui-thread-list-item-trigger flex h-full min-w-0 flex-1 items-center overflow-hidden pl-3 text-start text-sm ${
-										actionPinned ? "pr-7" : "pr-2"
+										actionPinned ? "pr-7" : "pr-2 group-hover:pr-7"
 									}`}
 									onClick={async () => {
 										console.log("[session-list] click", {
@@ -532,7 +532,7 @@ const ClawSessionList: FC = () => {
 										await openSession(session.session_id);
 									}}
 								>
-									<span className="min-w-0 truncate">
+									<span className="min-w-0 overflow-hidden whitespace-nowrap">
 										{loading
 											? "回放中..."
 											: session.preview || session.session_id}