diff --git a/apps/ai-game-creator-shell/src/components/game-distribution/useGameDistributionPublishForm.ts b/apps/ai-game-creator-shell/src/components/game-distribution/useGameDistributionPublishForm.ts
index 3584d74f1..d419eed5e 100644
--- a/apps/ai-game-creator-shell/src/components/game-distribution/useGameDistributionPublishForm.ts
+++ b/apps/ai-game-creator-shell/src/components/game-distribution/useGameDistributionPublishForm.ts
@@ -428,10 +428,14 @@ export function useGameDistributionPublishForm({
 
   function createPanelScreenshotEntry(file: File): PanelScreenshotEntry {
     const fileError = resolvePanelImageFileError(file, 'screenshot');
+    const previewUrl = buildPanelImagePreviewUrl(file);
+    // 与封面走同一条登记：不登记的话 `removeScreenshot` 的 revoke 分支永远命中不了，
+    // 卸载清理也遍历不到这些地址，截图预览会一直泄漏到页面关闭。
+    if (previewUrl) objectUrlsRef.current.add(previewUrl);
     return {
       id: createPanelScreenshotId(),
       name: file.name.trim() || '游戏截图',
-      previewUrl: buildPanelImagePreviewUrl(file),
+      previewUrl,
       assetObjectId: null,
       status: fileError ? 'failed' : 'uploading',
       error: fileError || null,