diff --git a/apps/ai-game-creator-shell/src/view/project-development/chat/controller/useDirectProjectChatController.ts b/apps/ai-game-creator-shell/src/view/project-development/chat/controller/useDirectProjectChatController.ts
index de1e39187..1122b7d59 100644
--- a/apps/ai-game-creator-shell/src/view/project-development/chat/controller/useDirectProjectChatController.ts
+++ b/apps/ai-game-creator-shell/src/view/project-development/chat/controller/useDirectProjectChatController.ts
@@ -743,6 +743,8 @@ export function useDirectProjectChatController({
         pages.firstItemId ?? historyOldestItemIdRef.current;
       if (pages.error) throw pages.error;
     } catch (error) {
+      // 与加载成功路径同样按项目守卫：切项目后在飞的读取失败不能算到新项目头上。
+      if (projectPathRef.current !== nextProjectPath) return;
       setStatusNotice(
         `读取更早的对话历史失败：${
           error instanceof Error ? error.message : String(error)