diff --git a/apps/web/src/pages/voices/components/MaterialVoiceTab.tsx b/apps/web/src/pages/voices/components/MaterialVoiceTab.tsx
index 31f5f8a1c..2c406ec3a 100644
--- a/apps/web/src/pages/voices/components/MaterialVoiceTab.tsx
+++ b/apps/web/src/pages/voices/components/MaterialVoiceTab.tsx
@@ -136,8 +136,9 @@ export const MaterialVoiceTab: React.FC<MaterialVoiceTabProps> = ({
             const material = mapAssetToMaterial(asset)
             // duration 优先取顶层（后端从 metadata 提取），兜底 metadata
             const cardDuration = asset.duration || material.duration || 0
-            // AI 生成素材标识（metadata.source === "tts_job"）
-            const isAiMaterial = (asset.metadata as Record<string, unknown>)?.source === "tts_job"
+            // AI 生成素材标识：兼容旧素材（无 source 字段但有 tts_job_id）
+            const meta = asset.metadata as Record<string, unknown>
+            const isAiMaterial = meta?.source === "tts_job" || !!meta?.tts_job_id
             const isPlaying = playingId === asset.id
             const isSelected = selectedIds.has(asset.id)
             // 播放中以 audio 真实时长为准，未播放显示卡片时长