diff --git a/components/pages/work-flow/thumbnail-grid.tsx b/components/pages/work-flow/thumbnail-grid.tsx
index 5c4c948..462e81f 100644
--- a/components/pages/work-flow/thumbnail-grid.tsx
+++ b/components/pages/work-flow/thumbnail-grid.tsx
@@ -49,6 +49,7 @@ export function ThumbnailGrid({
         behavior: 'smooth'
       });
     }
+    console.log('taskVideos', taskVideos);
   }, [currentSketchIndex, taskSketch.length]);
 
   // 处理鼠标/触摸拖动事件
@@ -170,9 +171,9 @@ export function ThumbnailGrid({
 
   // 渲染视频阶段的缩略图
   const renderVideoThumbnails = () => (
-    taskSketch.map((sketch, index) => {
+    taskVideos.map((video, index) => {
       const defaultBgColors = ['RGB(45, 50, 70)', 'RGB(75, 80, 100)', 'RGB(105, 110, 130)'];
-      const bgColors = sketch?.bg_rgb || defaultBgColors;
+      const bgColors = defaultBgColors;
       
       return (
         <div
@@ -185,9 +186,9 @@ export function ThumbnailGrid({
           <div className="w-full h-full transform hover:scale-105 transition-transform duration-500">
             <img 
               className={`w-full h-full object-cover transition-all duration-300 ${
-                (!taskVideos[index] && !isPlaying) ? 'filter blur-sm opacity-60' : ''
+                (!taskSketch[index] && !isPlaying) ? 'filter blur-sm opacity-60' : ''
               }`}
-              src={sketch.url}
+              src={taskSketch[index] ? taskSketch[index].url : video.url}
               alt={`Thumbnail ${index + 1}`}
             />
           </div>
@@ -236,7 +237,6 @@ export function ThumbnailGrid({
                       playsInline
                       loop
                       muted
-                      poster={sketch.url}
                     />
                   </div>
                 </ProgressiveReveal>
@@ -249,7 +249,6 @@ export function ThumbnailGrid({
                     playsInline
                     loop
                     muted
-                    poster={sketch.url}
                   />
                 </div>
               )}
@@ -350,7 +349,7 @@ export function ThumbnailGrid({
       onMouseUp={handleMouseUp}
       onMouseLeave={() => setIsDragging(false)}
     >
-      {Number(currentStep) > 2 && Number(currentStep) < 6 
+      {Number(currentStep) > 2 && taskVideos.length > 0 && Number(currentStep) < 6 
         ? renderVideoThumbnails()
         : renderSketchThumbnails()
       }
diff --git a/components/pages/work-flow/use-workflow-data.tsx b/components/pages/work-flow/use-workflow-data.tsx
index 4b566f1..36681f6 100644
--- a/components/pages/work-flow/use-workflow-data.tsx
+++ b/components/pages/work-flow/use-workflow-data.tsx
@@ -20,6 +20,7 @@ const LOADING_TEXT_MAP = {
   sketchComplete: 'Sketch generation complete',
   character: 'Drawing characters...',
   newCharacter: (count: number, total: number) => `Drawing character ${count + 1 > total ? total : count + 1}/${total}...`,
+  getVideoStatus: 'Getting video status...',
   video: (count: number, total: number) => `Generating video ${count + 1 > total ? total : count + 1}/${total}...`,
   videoComplete: 'Video generation complete',
   audio: 'Generating background audio...',
@@ -135,7 +136,7 @@ export function useWorkflowData() {
             // 角色生成完成
             finalStep = '3';
 
-            loadingText = LOADING_TEXT_MAP.video(0, sketchCount);
+            loadingText = LOADING_TEXT_MAP.getVideoStatus;
           }
         }
         if (task.task_name === 'generate_videos' && task.task_result) {
@@ -302,7 +303,7 @@ export function useWorkflowData() {
           } else {
             finalStep = '3';
             if (!data.video || !data.video.data || !data.video.data.length) {
-              loadingText = LOADING_TEXT_MAP.video(0, data.video.total_count || data.sketch.total_count);
+              loadingText = LOADING_TEXT_MAP.getVideoStatus;
             }
           }
         }