diff --git a/apps/ai-game-creator-shell/src-tauri/src/asset_generation_tasks.rs b/apps/ai-game-creator-shell/src-tauri/src/asset_generation_tasks.rs
index 22806307a..5a4f372f7 100644
--- a/apps/ai-game-creator-shell/src-tauri/src/asset_generation_tasks.rs
+++ b/apps/ai-game-creator-shell/src-tauri/src/asset_generation_tasks.rs
@@ -422,9 +422,12 @@ fn begin_local_project_audio_generation_task(
     }
     let root = Path::new(project_path.trim());
     enforce_project_permission_policy(root, "asset.register")?;
+    // 显式列全两个音频成员：这里**不做** `_ =>` 兜底——账本的 `kind` 是前端的唯一条目身份，
+    // 新增音频变体（或上游白名单被放宽）时必须在这里大声失败，而不是把它静默记成音效。
     let asset_kind = match request.edit_kind {
         LocalProjectResourceEditKind::BackgroundMusic => GameCreationAppAssetKind::BackgroundMusic,
-        _ => GameCreationAppAssetKind::SoundEffect,
+        LocalProjectResourceEditKind::SoundEffect => GameCreationAppAssetKind::SoundEffect,
+        other => return Err(format!("音频生成不支持该素材类型：{other:?}")),
     };
     let record = begin_local_project_asset_generation_task(
         root,