diff --git a/apps/web/src/pages/ai-avatar/AiAvatarPage.tsx b/apps/web/src/pages/ai-avatar/AiAvatarPage.tsx
index e9b244335..27503c07f 100644
--- a/apps/web/src/pages/ai-avatar/AiAvatarPage.tsx
+++ b/apps/web/src/pages/ai-avatar/AiAvatarPage.tsx
@@ -233,7 +233,17 @@ const AiAvatarPage: React.FC = () => {
       setRenderErrorMessage("")
 
       if (renderTimerRef.current) clearInterval(renderTimerRef.current)
+      let renderPollCount = 0
+      const RENDER_MAX_POLLS = 200 // 最多轮询 10 分钟（200 次 × 3s）
       renderTimerRef.current = setInterval(async () => {
+        renderPollCount++
+        if (renderPollCount > RENDER_MAX_POLLS) {
+          if (renderTimerRef.current) clearInterval(renderTimerRef.current)
+          renderTimerRef.current = null
+          setRenderStatus("failed")
+          setRenderErrorMessage("渲染超时（超过10分钟），请稍后在任务历史查看结果")
+          return
+        }
         try {
           const updated = await getRenderJob(job.id)
           setRenderProgress(updated.progress ?? 0)