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 44d2bbb69..262595b47 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
@@ -48,6 +48,10 @@ export async function invokeTurnEnqueue(
       ...(input.creationType ? { creationType: input.creationType } : {}),
     });
   } catch (error) {
+    // 真 `Error`（Tauri 传输失败 / 命令 panic / 参数序列化失败）不是结构化拒绝：
+    // `JSON.stringify(new Error(...))` 得到 `{}`，装进 wrapper 只会把真实文案丢掉、让横幅显示 `{}`。
+    // 原样抛出，交给调用方的 `instanceof` 分界送回既有捕获链路（与上面的类注释同一口径）。
+    if (error instanceof Error) throw error;
     throw new EnqueueFailureWrapper(error as EnqueueError);
   }
 }