diff --git a/src/games/storywriter/components/chat-sidebar.tsx b/src/games/storywriter/components/chat-sidebar.tsx
index 96e9855..fa1180a 100644
--- a/src/games/storywriter/components/chat-sidebar.tsx
+++ b/src/games/storywriter/components/chat-sidebar.tsx
@@ -529,9 +529,9 @@ export const ChatPanel = ({ visible }: { visible: boolean }) => {
                                     </div>
                                 ) : (
                                     <>
-                                        {message.role === 'assistant' && message.reasoning_content && (
+                                        {message.role === 'assistant' && message.reasoning_content?.trim() && (
                                             <div class={styles.reasoningContent}>
-                                                {message.reasoning_content}
+                                                {message.reasoning_content.trim()}
                                             </div>
                                         )}