diff --git a/apps/ai-game-creator-shell/src/view/project-development/chat/conversation/directTurnEnqueueFailure.ts b/apps/ai-game-creator-shell/src/view/project-development/chat/conversation/directTurnEnqueueFailure.ts
index 1c0a0e74c..44d2bbb69 100644
--- a/apps/ai-game-creator-shell/src/view/project-development/chat/conversation/directTurnEnqueueFailure.ts
+++ b/apps/ai-game-creator-shell/src/view/project-development/chat/conversation/directTurnEnqueueFailure.ts
@@ -73,9 +73,9 @@ export function enqueueFailureNotice(failure: EnqueueError): string | null {
     case 'projectRootUnusable':
       return '当前项目目录不存在或不是绝对路径';
     case 'permissionRejected':
-      return failure.policyDetail.trim() || null;
+      return failure.policyDetail?.trim() || null;
     case 'inputRejected':
-      return failure.detail.trim() || null;
+      return failure.detail?.trim() || null;
     case 'contentEmpty':
       return '聊天内容不能为空';
     // 宿主 / 环境事实：必须走上报通道，文案由 `enqueueSystemFailureNoticeText` 给固定句。