diff --git a/apps/ai-game-creator-shell/tests/gameDistributionPublishPanel.test.tsx b/apps/ai-game-creator-shell/tests/gameDistributionPublishPanel.test.tsx
index 5f9e1b78f..9dfa1ab29 100644
--- a/apps/ai-game-creator-shell/tests/gameDistributionPublishPanel.test.tsx
+++ b/apps/ai-game-creator-shell/tests/gameDistributionPublishPanel.test.tsx
@@ -377,9 +377,14 @@ describe('GameDistributionPublishPanel', () => {
   test('发布进行中按原生事件显示阶段与上传百分比', async () => {
     let resolvePublish: (value: unknown) => void = () => undefined;
     vi.mocked(publishLocalProjectGame).mockImplementation(() => {
-      const pending = Promise.withResolvers<unknown>();
-      resolvePublish = pending.resolve;
-      return pending.promise as never;
+      // `Promise.withResolvers` 需要 lib ES2024，本仓 AGC 走 ES2022；这里手写等价 deferred：
+      // resolve 由外部持有、promise 交回测试，语义与 withResolvers 一致（reject 原本未使用）。
+      let settlePending: (value: unknown) => void = () => undefined;
+      const pending = new Promise<unknown>((resolve) => {
+        settlePending = resolve;
+      });
+      resolvePublish = settlePending;
+      return pending as never;
     });
     eventFake = createTauriEventFake();
     eventFake.install();