diff --git a/apps/web/src/pages/ai-avatar/components/PanelVoiceSelector.tsx b/apps/web/src/pages/ai-avatar/components/PanelVoiceSelector.tsx
index ce7dffdfd..c0b975d82 100644
--- a/apps/web/src/pages/ai-avatar/components/PanelVoiceSelector.tsx
+++ b/apps/web/src/pages/ai-avatar/components/PanelVoiceSelector.tsx
@@ -134,6 +134,14 @@ export function PanelVoiceSelector({
         return
       }
       const targetId = voice.voice_clone_profile_id || voice.id
+      // DEBUG: 打印请求参数，帮助定位 /tts/preview 失败原因
+      console.log("[AI数字人-克隆试听] previewTts 请求:", {
+        voice_id: targetId,
+        voice_name: voice.name,
+        voice_type: voice.type,
+        voice_clone_profile_id: voice.voice_clone_profile_id,
+        voice_id_field: voice.voice_id,
+      })
       setPreviewingId(voice.id)
       try {
         const res = await previewTts({
@@ -141,6 +149,10 @@ export function PanelVoiceSelector({
           voice_id: targetId,
           speed: 1.0,
         })
+        console.log("[AI数字人-克隆试听] previewTts 响应:", {
+          audio_url: res.audio_url?.substring(0, 80),
+          duration: res.duration,
+        })
         if (!res.audio_url) {
           setPreviewingId(null)
           message.error("合成试听失败：未返回音频")
@@ -148,8 +160,14 @@ export function PanelVoiceSelector({
         }
         previewCacheRef.current.set(targetId, res.audio_url)
         playAudioUrl(voice.id, res.audio_url)
-      } catch {
+      } catch (err) {
         setPreviewingId(null)
+        // DEBUG: 打印详细错误信息
+        console.error("[AI数字人-克隆试听] previewTts 失败:", {
+          status: (err as { response?: { status?: number } })?.response?.status,
+          data: (err as { response?: { data?: unknown } })?.response?.data,
+          message: err instanceof Error ? err.message : String(err),
+        })
         // apiClient 拦截器已统一 toast
       }
       return