diff --git a/src/components/game-distribution/GamePublishPage.test.tsx b/src/components/game-distribution/GamePublishPage.test.tsx
index e519fbdcf..e5ea9632f 100644
--- a/src/components/game-distribution/GamePublishPage.test.tsx
+++ b/src/components/game-distribution/GamePublishPage.test.tsx
@@ -523,7 +523,13 @@ test('按统一发布、上传、送审顺序提交并展示审核中', async ()
     'shot-2.png',
   ]);
   expect(vi.mocked(uploadGamePackage).mock.calls[0]?.[0]).toBe('gamever-1');
+  expect(vi.mocked(uploadGamePackage).mock.calls[0]?.[2]).toBe(
+    'gamever-1:upload',
+  );
   expect(vi.mocked(submitGameVersion).mock.calls[0]?.[1]).toBe(0);
+  expect(vi.mocked(submitGameVersion).mock.calls[0]?.[2]).toBe(
+    'gamever-1:submit',
+  );
 
   expect(
     await screen.findByText('已提交审核，审核通过后会自动出现在游戏广场。'),
@@ -586,6 +592,10 @@ test('同一账号回到发布页可以沿用原版本继续送审', async () =>
   await waitFor(() => expect(submitGameVersion).toHaveBeenCalledTimes(1));
   expect(vi.mocked(submitGameVersion).mock.calls[0]?.[0]).toBe('gamever-1');
   expect(vi.mocked(submitGameVersion).mock.calls[0]?.[1]).toBe(2);
+  // 恢复送审与提交模块共用同一套 versionId 派生键，刷新页面后重试也能被服务端去重。
+  expect(vi.mocked(submitGameVersion).mock.calls[0]?.[2]).toBe(
+    'gamever-1:submit',
+  );
   expect(
     await screen.findByText('已提交审核，审核通过后会自动出现在游戏广场。'),
   ).toBeTruthy();
diff --git a/src/components/game-distribution/GamePublishPage.tsx b/src/components/game-distribution/GamePublishPage.tsx
index fec5fa657..4031c0824 100644
--- a/src/components/game-distribution/GamePublishPage.tsx
+++ b/src/components/game-distribution/GamePublishPage.tsx
@@ -68,16 +68,6 @@ type GameUpdateContext = {
   title: string;
 };
 
-let publishKeySeed = 0;
-function createPublishKey() {
-  publishKeySeed += 1;
-  const random =
-    typeof crypto !== 'undefined' && 'randomUUID' in crypto
-      ? crypto.randomUUID()
-      : `${Date.now()}-${publishKeySeed}`;
-  return `web-publish-${random}`;
-}
-
 /**
  * 网页发布编排：UI 只组输入与展示结果，定 key、调接口、写草稿、传包、送审都在提交模块内。
  * 依赖在模块加载时注入一次，单测替换 `gameDistributionClient` 即可覆盖整条链路。
@@ -150,19 +140,14 @@ export function GamePublishPage({
   const [error, setError] = useState('');
   const [publishedGameId, setPublishedGameId] = useState('');
   /**
-   * 同步的在途提交标记与恢复上传/送审用的稳定幂等键。
+   * 同步的在途提交标记。
    *
    * `isSubmitting` 是 React 状态，双击发生在同一次渲染窗口里时还没生效；再叠上
    * `prepareGamePackage` 的压缩耗时，两次点击会各建一份游戏。这里用 ref 同步拦截。
-   * 新建/更新发布的自然幂等由提交模块冻结的 `projectKey`/`versionNumber` 负责；
-   * 恢复已有版本继续上传时仍复用同一组 `Idempotency-Key`。
+   * 幂等键全部由提交模块按不可变 `versionId` 派生（`{versionId}:upload` / `:submit`），
+   * 恢复路径沿用同一组，不再用每会话随机键，刷新页面后重试也能被服务端去重。
    */
   const submitInFlightRef = useRef(false);
-  const publishKeyRef = useRef<string | null>(null);
-  const resolvePublishKey = () => {
-    if (!publishKeyRef.current) publishKeyRef.current = createPublishKey();
-    return publishKeyRef.current;
-  };
   const [draft, setDraft] = useState<GamePublishDraft | null>(null);
   const [draftDetail, setDraftDetail] =
     useState<GameDistributionVersionDetail | null>(null);
@@ -390,28 +375,27 @@ export function GamePublishPage({
     setIsSubmitting(true);
     setError('');
     try {
-      const resumeKey = resolvePublishKey();
+      const resumeVersionId = draftDetail.version.versionId;
       if (draftDetail.version.recoveryAction !== 'submit') {
         const prepared = await prepareGamePackage(packageFile as File);
         await uploadGamePackage(
-          draftDetail.version.versionId,
+          resumeVersionId,
           new Blob([prepared.bytes as unknown as BlobPart], {
             type: 'application/zip',
           }),
-          `${resumeKey}:upload`,
+          `${resumeVersionId}:upload`,
         );
       }
       await submitGameVersion(
-        draftDetail.version.versionId,
+        resumeVersionId,
         draftDetail.game.publicationRevision,
-        `${resumeKey}:submit`,
+        `${resumeVersionId}:submit`,
       );
       clearPublishDraft();
       setDraft(null);
       setDraftDetail(null);
       setIsResumingDraft(false);
       setPublishedGameId(draftDetail.game.id);
-      publishKeyRef.current = null;
     } catch (resumeError: unknown) {
       setError(
         resumeError instanceof Error ? resumeError.message : '继续发布失败',