diff --git a/apps/ai-game-creator-shell/src/view/project-development/export/state/useTaonierTab.ts b/apps/ai-game-creator-shell/src/view/project-development/export/state/useTaonierTab.ts
index e5b9b2a85..a8059685f 100644
--- a/apps/ai-game-creator-shell/src/view/project-development/export/state/useTaonierTab.ts
+++ b/apps/ai-game-creator-shell/src/view/project-development/export/state/useTaonierTab.ts
@@ -86,6 +86,12 @@ export function useTaonierTab({
     useDirectProjectManifest(projectPath);
   const manifestRef = useRef<GameCreationAppManifest | null>(manifest);
   manifestRef.current = manifest;
+  /**
+   * 当前项目路径。`ensurePackage` 在 await 之后要对账「这次打包还是不是当前项目的」，
+   * 但它闭包里的 `projectPath` 可能已经过期（面板跨项目切换时不会卸载）。
+   */
+  const projectPathRef = useRef(projectPath);
+  projectPathRef.current = projectPath;
 
   const [allowed, setAllowed] = useState(false);
   const [availabilityPending, setAvailabilityPending] = useState(true);
@@ -175,6 +181,13 @@ export function useTaonierTab({
   const ensurePackage =
     useCallback(async (): Promise<LocalProjectExportPackageResult | null> => {
       const currentProjectPath = projectPath?.trim() ?? '';
+      /**
+       * 这次打包发起时的项目是不是还是当前项目：await 回来后 `setPackageResult` 只能写给
+       * 发起的那个项目，否则旧项目的包会落进新项目的面板，被发布流程当成新项目的产物。
+       */
+      const isCurrentProject = () =>
+        mountedRef.current &&
+        (projectPathRef.current?.trim() ?? '') === currentProjectPath;
       if (!currentProjectPath) {
         setBlockedMessage('先打开一个项目再发布');
         return null;
@@ -204,13 +217,13 @@ export function useTaonierTab({
           'export_local_project_package',
           { projectPath: currentProjectPath },
         );
-        if (!mountedRef.current) return null;
+        if (!isCurrentProject()) return null;
         setProgress(null);
         setPackageResult(result);
         appendPublishPermissionLog(currentProjectPath);
         return result;
       } catch (error) {
-        if (!mountedRef.current) return null;
+        if (!isCurrentProject()) return null;
         setProgress({
           phase: 'failed',
           message: '发布失败',