diff --git a/src/main/java/com/ycwl/basic/controller/mobile/AppGoodsController.java b/src/main/java/com/ycwl/basic/controller/mobile/AppGoodsController.java
index 7f74b568..8ac7e1b8 100644
--- a/src/main/java/com/ycwl/basic/controller/mobile/AppGoodsController.java
+++ b/src/main/java/com/ycwl/basic/controller/mobile/AppGoodsController.java
@@ -99,4 +99,16 @@ public class AppGoodsController {
         JwtInfo worker = JwtTokenUtil.getWorker();
         return ApiResponse.success(goodsService.getTaskStatusByTemplateId(faceId, templateId));
     }
+
+    /**
+     * 检查视频是否可更新
+     *
+     * @param videoId 视频ID
+     * @return 视频更新检查结果
+     */
+    @GetMapping("/video/{videoId}/updateCheck")
+    public ApiResponse<VideoUpdateCheckVO> checkVideoUpdate(@PathVariable("videoId") Long videoId) {
+        VideoUpdateCheckVO result = goodsService.checkVideoUpdate(videoId);
+        return ApiResponse.success(result);
+    }
 }
diff --git a/src/main/java/com/ycwl/basic/model/mobile/goods/VideoGoodsDetailVO.java b/src/main/java/com/ycwl/basic/model/mobile/goods/VideoGoodsDetailVO.java
index 3fbc6fcc..f56688a9 100644
--- a/src/main/java/com/ycwl/basic/model/mobile/goods/VideoGoodsDetailVO.java
+++ b/src/main/java/com/ycwl/basic/model/mobile/goods/VideoGoodsDetailVO.java
@@ -30,6 +30,7 @@ public class VideoGoodsDetailVO {
     private Integer sourceType;
     // 商品id goodsType=1时为videoId，goodsType=2时为sourceId
     private Long goodsId;
+    private Long templateId;
     // 模版封面图片
     private String templateCoverUrl;
     // 图片文件存储地址
diff --git a/src/main/java/com/ycwl/basic/service/mobile/GoodsService.java b/src/main/java/com/ycwl/basic/service/mobile/GoodsService.java
index 3ef19c8d..5b243a5f 100644
--- a/src/main/java/com/ycwl/basic/service/mobile/GoodsService.java
+++ b/src/main/java/com/ycwl/basic/service/mobile/GoodsService.java
@@ -50,4 +50,11 @@ public interface GoodsService {
     List<GoodsUrlVO> sourceGoodsListDownload(GoodsReqQuery query);
 
     Integer sourceGoodsCount(GoodsReqQuery query);
+
+    /**
+     * 检查视频是否可更新
+     * @param videoId 视频ID
+     * @return 视频更新检查结果
+     */
+    VideoUpdateCheckVO checkVideoUpdate(Long videoId);
 }
diff --git a/src/main/java/com/ycwl/basic/service/mobile/impl/GoodsServiceImpl.java b/src/main/java/com/ycwl/basic/service/mobile/impl/GoodsServiceImpl.java
index af05250e..51f5130f 100644
--- a/src/main/java/com/ycwl/basic/service/mobile/impl/GoodsServiceImpl.java
+++ b/src/main/java/com/ycwl/basic/service/mobile/impl/GoodsServiceImpl.java
@@ -31,14 +31,19 @@ import com.ycwl.basic.model.pc.source.resp.SourceRespVO;
 import com.ycwl.basic.model.pc.task.entity.TaskEntity;
 import com.ycwl.basic.model.pc.template.resp.TemplateRespVO;
 import com.ycwl.basic.model.pc.video.entity.MemberVideoEntity;
+import com.ycwl.basic.model.pc.video.entity.VideoEntity;
 import com.ycwl.basic.model.pc.video.req.VideoReqQuery;
 import com.ycwl.basic.model.pc.video.resp.VideoRespVO;
 import com.ycwl.basic.repository.DeviceRepository;
 import com.ycwl.basic.repository.FaceRepository;
 import com.ycwl.basic.repository.ScenicRepository;
+import com.ycwl.basic.repository.VideoRepository;
 import com.ycwl.basic.repository.VideoTaskRepository;
 import com.ycwl.basic.service.mobile.GoodsService;
 import com.ycwl.basic.repository.TemplateRepository;
+import com.ycwl.basic.repository.SourceRepository;
+import com.ycwl.basic.biz.TemplateBiz;
+import com.ycwl.basic.config.VideoUpdateConfig;
 import com.ycwl.basic.service.task.TaskService;
 import com.ycwl.basic.storage.StorageFactory;
 import com.ycwl.basic.storage.adapters.IStorageAdapter;
@@ -75,6 +80,8 @@ public class GoodsServiceImpl implements GoodsService {
     @Autowired
     private TemplateRepository templateRepository;
     @Autowired
+    private VideoRepository videoRepository;
+    @Autowired
     private VideoTaskRepository videoTaskRepository;
     @Autowired
     private TaskService taskTaskService;
@@ -90,6 +97,12 @@ public class GoodsServiceImpl implements GoodsService {
     private DeviceRepository deviceRepository;
     @Autowired
     private CouponBiz couponBiz;
+    @Autowired
+    private SourceRepository sourceRepository;
+    @Autowired
+    private TemplateBiz templateBiz;
+    @Autowired
+    private VideoUpdateConfig videoUpdateConfig;
 
     public ApiResponse<List<GoodsPageVO>> goodsList(GoodsReqQuery query) {
         Long scenicId = query.getScenicId();
@@ -260,6 +273,7 @@ public class GoodsServiceImpl implements GoodsService {
         goodsDetailVO.setGoodsType(0);
         goodsDetailVO.setGoodsId(videoRespVO.getId());
         goodsDetailVO.setVideoUrl(videoRespVO.getVideoUrl());
+        goodsDetailVO.setTemplateId(videoRespVO.getTemplateId());
         goodsDetailVO.setTemplateCoverUrl(videoRespVO.getTemplateCoverUrl());
         goodsDetailVO.setCreateTime(videoRespVO.getCreateTime());
         goodsDetailVO.setHeight(videoRespVO.getHeight());
@@ -767,4 +781,147 @@ public class GoodsServiceImpl implements GoodsService {
         sourceReqQuery.setFaceId(query.getFaceId());
         return sourceMapper.countUser(sourceReqQuery);
     }
+
+    @Override
+    public VideoUpdateCheckVO checkVideoUpdate(Long videoId) {
+        VideoUpdateCheckVO result = new VideoUpdateCheckVO();
+        result.setVideoId(videoId);
+        
+        if (!videoUpdateConfig.isEnabled()) {
+            log.info("视频更新检查功能已禁用");
+            result.setCanUpdate(false);
+            return result;
+        }
+        
+        VideoEntity video = videoRepository.getVideo(videoId);
+        if (video == null) {
+            log.error("视频不存在: videoId={}", videoId);
+            result.setCanUpdate(false);
+            return result;
+        }
+        
+        Long taskId = video.getTaskId();
+        TaskEntity task = videoTaskRepository.getTaskById(taskId);
+        if (task == null) {
+            log.error("关联任务不存在: videoId={}, taskId={}", videoId, taskId);
+            result.setCanUpdate(false);
+            return result;
+        }
+        
+        result.setTaskId(taskId);
+        
+        result.setFaceId(task.getFaceId());
+        result.setTemplateId(task.getTemplateId());
+        
+        try {
+            Map<String, Object> originalTaskParams = JacksonUtil.parseObject(task.getTaskParams(), Map.class);
+            if (originalTaskParams == null) {
+                log.error("原始任务参数解析失败: taskId={}", taskId);
+                result.setCanUpdate(false);
+                return result;
+            }
+            
+            int originalSegmentCount = calculateSegmentCount(originalTaskParams);
+            result.setOriginalSegmentCount(originalSegmentCount);
+            
+            Map<String, List<SourceEntity>> currentTaskParams = sourceRepository.getTaskParams(task.getFaceId(), task.getTemplateId());
+            if (currentTaskParams.isEmpty()) {
+                log.info("当前没有可用的任务参数: faceId={}, templateId={}", task.getFaceId(), task.getTemplateId());
+                result.setCanUpdate(false);
+                result.setTotalSegmentCount(0);
+                result.setNewSegmentCount(0);
+                return result;
+            }
+            
+            Map<String, List<SourceEntity>> filteredTaskParams = templateBiz.filterTaskParams(task.getTemplateId(), currentTaskParams);
+            int currentSegmentCount = calculateSegmentCount(filteredTaskParams);
+            result.setTotalSegmentCount(currentSegmentCount);
+            
+            boolean hasNewSegments = videoUpdateConfig.isDetectChangesAsNew() 
+                ? hasNewSegments(originalTaskParams, filteredTaskParams)
+                : currentSegmentCount > originalSegmentCount;
+            int newSegmentCount = Math.max(0, currentSegmentCount - originalSegmentCount);
+            
+            boolean canUpdate = hasNewSegments && newSegmentCount >= videoUpdateConfig.getMinNewSegmentCount();
+            result.setCanUpdate(canUpdate);
+            result.setNewSegmentCount(newSegmentCount);
+            
+            log.info("视频更新检查完成: videoId={}, taskId={}, canUpdate={}, newSegmentCount={}, originalCount={}, currentCount={}", 
+                    videoId, taskId, result.isCanUpdate(), newSegmentCount, originalSegmentCount, currentSegmentCount);
+
+        } catch (Exception e) {
+            log.error("检查视频更新失败: videoId={}, taskId={}", videoId, taskId, e);
+            result.setCanUpdate(false);
+        }
+        
+        return result;
+    }
+    
+    private int calculateSegmentCount(Map<String, ?> taskParams) {
+        if (taskParams == null || taskParams.isEmpty()) {
+            return 0;
+        }
+        
+        int totalCount = 0;
+        for (Map.Entry<String, ?> entry : taskParams.entrySet()) {
+            Object value = entry.getValue();
+            if (value instanceof List) {
+                totalCount += ((List<?>) value).size();
+            } else if (value instanceof String && StringUtils.isNumeric(entry.getKey())) {
+                try {
+                    List<?> jsonArray = JacksonUtil.parseArray((String) value, Object.class);
+                    if (jsonArray != null) {
+                        totalCount += jsonArray.size();
+                    }
+                } catch (Exception e) {
+                    log.warn("解析任务参数失败: key={}, value={}", entry.getKey(), value);
+                }
+            }
+        }
+        return totalCount;
+    }
+    
+    private boolean hasNewSegments(Map<String, ?> originalParams, Map<String, List<SourceEntity>> currentParams) {
+        if (currentParams == null || currentParams.isEmpty()) {
+            return false;
+        }
+        
+        if (originalParams == null || originalParams.isEmpty()) {
+            return !currentParams.isEmpty();
+        }
+        
+        for (Map.Entry<String, List<SourceEntity>> entry : currentParams.entrySet()) {
+            String deviceKey = entry.getKey();
+            List<SourceEntity> currentSources = entry.getValue();
+            
+            if (!originalParams.containsKey(deviceKey)) {
+                if (currentSources != null && !currentSources.isEmpty()) {
+                    return true;
+                }
+            } else {
+                Object originalValue = originalParams.get(deviceKey);
+                int originalCount = 0;
+                
+                if (originalValue instanceof List) {
+                    originalCount = ((List<?>) originalValue).size();
+                } else if (originalValue instanceof String) {
+                    try {
+                        List<?> jsonArray = JacksonUtil.parseArray((String) originalValue, Object.class);
+                        if (jsonArray != null) {
+                            originalCount = jsonArray.size();
+                        }
+                    } catch (Exception e) {
+                        log.warn("解析原始参数失败: key={}, value={}", deviceKey, originalValue);
+                    }
+                }
+                
+                int currentCount = currentSources != null ? currentSources.size() : 0;
+                if (currentCount > originalCount) {
+                    return true;
+                }
+            }
+        }
+        
+        return false;
+    }
 }