diff --git a/apps/ai-game-creator-shell/src/services/gameDistributionPublish.ts b/apps/ai-game-creator-shell/src/services/gameDistributionPublish.ts
index 75c581f68..7b0e44e3b 100644
--- a/apps/ai-game-creator-shell/src/services/gameDistributionPublish.ts
+++ b/apps/ai-game-creator-shell/src/services/gameDistributionPublish.ts
@@ -175,9 +175,11 @@ function normalizeMetadata(
   // 封面校验不在这里：`coverObjectKey === null` 表示用草稿 `coverPath`，只有宿主读到
   // `.export/taonier.json` 后才能判断「草稿也没有封面」，所以由原生发布命令按统一文案失败关闭。
   const coverObjectKey = (metadata?.coverObjectKey ?? '').trim() || null;
-  const screenshots = (metadata?.screenshots ?? [])
-    .map((screenshot) => (screenshot === null ? null : screenshot.trim()))
-    .filter((screenshot) => screenshot !== '');
+  // 槽位顺序与最终截图一一对应：空串/纯空白按「没有沿用值」归一成 `null`（消费草稿本地图），
+  // 不能直接 filter 掉，否则后面的槽位会整体前移，与草稿里的截图顺序错位。
+  const screenshots = (metadata?.screenshots ?? []).map((screenshot) =>
+    screenshot === null || screenshot.trim() === '' ? null : screenshot.trim(),
+  );
   if (screenshots.length > MAX_AGC_GAME_SCREENSHOTS) {
     throw new Error('游戏截图最多 6 张');
   }
diff --git a/apps/ai-game-creator-shell/tests/gameDistributionPublish.test.ts b/apps/ai-game-creator-shell/tests/gameDistributionPublish.test.ts
index 9b2e3ed78..514c5f708 100644
--- a/apps/ai-game-creator-shell/tests/gameDistributionPublish.test.ts
+++ b/apps/ai-game-creator-shell/tests/gameDistributionPublish.test.ts
@@ -159,7 +159,7 @@ describe('Rust 发布 facade', () => {
     });
   });
 
-  test('截图槽位里的 null 与沿用 objectKey 原样透传', async () => {
+  test('截图槽位里的 null、沿用 objectKey 与空串按序透传', async () => {
     const { invoke, calls } = installNativeInvoke((command) => {
       if (command === 'publish_local_project_game') return PUBLISH_RESULT;
       throw new Error(`未预期的命令：${command}`);
@@ -172,7 +172,7 @@ describe('Rust 发布 facade', () => {
       manifest: MANIFEST,
       metadata: {
         coverObjectKey: null,
-        // 第 2 张沿用线上、其余从草稿本地图按序补齐；空串在归一化时被丢弃。
+        // 第 2 张沿用线上，其余用草稿本地图；空串归一成 `null` 保留槽位顺序，不能被丢掉。
         screenshots: [null, 'generated/shot-online.png', null, '   '],
       },
       versionNumber: 4,
@@ -180,7 +180,7 @@ describe('Rust 发布 facade', () => {
 
     expect(calls[0]?.args).toMatchObject({
       metadata: {
-        screenshots: [null, 'generated/shot-online.png', null],
+        screenshots: [null, 'generated/shot-online.png', null, null],
       },
     });
   });