diff --git a/api/DTO/movieEdit.ts b/api/DTO/movieEdit.ts
index 0e89685..34e84c8 100644
--- a/api/DTO/movieEdit.ts
+++ b/api/DTO/movieEdit.ts
@@ -267,6 +267,8 @@ export interface VideoData {
   video_name_prefix: string;
   /** 视频URL列表 */
   urls: string[];
+  /** 视频封面图（后端返回） */
+  snapshot_urls?: string[];
   /** 视频状态 */
   video_status: number;
 }
@@ -654,6 +656,7 @@ export interface ShotVideo {
   urls: string[];
   video_status: number;
   type: string;
+  snapshot_url?: string;
 }
 
 // 执行loading文字映射
@@ -700,5 +703,6 @@ export interface TaskObject {
   final: {
     url: string;
     note: string;
+    snapshot_url?: string;
   }; // 剪辑视频
 }
\ No newline at end of file
diff --git a/components/pages/work-flow/thumbnail-grid.tsx b/components/pages/work-flow/thumbnail-grid.tsx
index 12200c4..f579bba 100644
--- a/components/pages/work-flow/thumbnail-grid.tsx
+++ b/components/pages/work-flow/thumbnail-grid.tsx
@@ -214,7 +214,7 @@ export function ThumbnailGrid({
               >
                 <img
                   className="w-full h-full object-cover"
-                  src={getFirstFrame(taskObject.final.url)}
+                  src={taskObject.final.snapshot_url || getFirstFrame(taskObject.final.url)}
                   draggable="false"
                   alt="final video thumbnail"
                 />
@@ -226,7 +226,7 @@ export function ThumbnailGrid({
                     muted
                     playsInline
                     loop
-                    poster={getFirstFrame(taskObject.final.url)}
+                    poster={taskObject.final.snapshot_url || getFirstFrame(taskObject.final.url)}
                     preload="none"
                   />
                 )}
@@ -288,7 +288,7 @@ export function ThumbnailGrid({
               >
                 <img
                   className="w-full h-full object-cover"
-                  src={getFirstFrame(taskObject.videos.data[index].urls[0])}
+                  src={taskObject.videos.data[index].snapshot_url || getFirstFrame(taskObject.videos.data[index].urls[0])}
                   draggable="false"
                   alt="video thumbnail"
                 />
@@ -300,7 +300,7 @@ export function ThumbnailGrid({
                     muted
                     playsInline
                     loop
-                    poster={getFirstFrame(taskObject.videos.data[index].urls[0])}
+                    poster={taskObject.videos.data[index].snapshot_url || getFirstFrame(taskObject.videos.data[index].urls[0])}
                     preload="none"
                   />
                 )}
diff --git a/components/pages/work-flow/use-workflow-data.tsx b/components/pages/work-flow/use-workflow-data.tsx
index e132f79..ed9e9c9 100644
--- a/components/pages/work-flow/use-workflow-data.tsx
+++ b/components/pages/work-flow/use-workflow-data.tsx
@@ -206,6 +206,7 @@ export function useWorkflowData({}: UseWorkflowDataProps = {}) {
       const all_task_data = response.data;
       const { current: taskCurrent } = tempTaskObject;
       let combinerVideoUrl = '';
+      let combinerVideoPoster = '';
 
       // 收集所有需要更新的状态
       let stateUpdates = JSON.stringify(taskCurrent);
@@ -288,7 +289,8 @@ export function useWorkflowData({}: UseWorkflowDataProps = {}) {
                 urls: videoUrls,
                 video_id: video.video_id,
                 video_status: video_status, // 0 生成中 1 生成完成 2 生成失败
-                type: 'video'
+                type: 'video',
+                snapshot_url: video.snapshot_url
               });
             }
             taskCurrent.videos.data = videoList;
@@ -312,6 +314,7 @@ export function useWorkflowData({}: UseWorkflowDataProps = {}) {
         if (task.task_name === 'combiner_videos') {
           if (task.task_status === 'COMPLETED') {
             combinerVideoUrl = task.task_result.video_url;
+            combinerVideoPoster = task.task_result.snapshot_url;
           }
           if (task.task_status === 'FAILED' || task.task_status === 'ERROR') {
             taskCurrent.status = 'FAILED';
@@ -338,6 +341,7 @@ export function useWorkflowData({}: UseWorkflowDataProps = {}) {
             taskCurrent.currentStage = 'final_video';
             taskCurrent.final.url = combinerVideoUrl;
             taskCurrent.final.note = 'combiner';
+            taskCurrent.final.snapshot_url = combinerVideoPoster;
             taskCurrent.status = 'COMPLETED';
             // 停止轮询
             setNeedStreamData(false);
@@ -410,7 +414,7 @@ export function useWorkflowData({}: UseWorkflowDataProps = {}) {
       }
 
       const { status, data, tags, mode, original_text, aspect_ratio, name, final_simple_video, final_video } = response.data;
-
+      
       const { current: taskCurrent } = tempTaskObject;
 
       taskCurrent.title = name || 'generating...';
@@ -492,7 +496,8 @@ export function useWorkflowData({}: UseWorkflowDataProps = {}) {
               urls: videoUrls,
               video_id: video.video_id,
               video_status: video_status, // 0 生成中 1 生成完成 2 生成失败
-              type: 'video'
+              type: 'video',
+              snapshot_url: video.snapshot_urls?.[0] || ''
             });
           }
           taskCurrent.videos.data = videoList;