diff --git a/apps/web/src/pages/ai-avatar/components/PanelVoiceSelector.tsx b/apps/web/src/pages/ai-avatar/components/PanelVoiceSelector.tsx
index aaedabc11..3cb97c148 100644
--- a/apps/web/src/pages/ai-avatar/components/PanelVoiceSelector.tsx
+++ b/apps/web/src/pages/ai-avatar/components/PanelVoiceSelector.tsx
@@ -92,6 +92,9 @@ export function PanelVoiceSelector({
 
   /** 用指定 URL 真实播放（抽取公共） */
   const playAudioUrl = (voiceId: string, url: string) => {
+    // 临时兼容：后端 /tts/preview 返回 HTTP URL，staging 是 HTTPS，Mixed Content 会阻止加载
+    // OSS 同时支持 HTTP/HTTPS，直接替换协议即可
+    const safeUrl = url.startsWith("http://") ? url.replace("http://", "https://") : url
     if (audioRef.current) {
       audioRef.current.pause()
       audioRef.current = null