diff --git a/backend/Timer_worker.py b/backend/Timer_worker.py
index f2c947c..7a2e3b3 100644
--- a/backend/Timer_worker.py
+++ b/backend/Timer_worker.py
@@ -69,6 +69,27 @@ class DouyinAutoScheduler:
         # 创建logger实例
         self.logger = logging.getLogger(__name__)
 
+    def _sync_episode_details_with_lock(self, episode_details, comments_summary):
+        """
+        同步 episode_details 时处理评论锁定逻辑
+        如果有 comments_summary，则保留评论内容，只更新互动数据
+        
+        Args:
+            episode_details: 管理数据库中的 episode_details
+            comments_summary: 评论总结字段
+            
+        Returns:
+            处理后的 episode_details
+        """
+        # 如果没有 comments_summary 或没有 episode_details，直接返回原数据
+        if not comments_summary or not episode_details:
+            return episode_details
+        
+        # 如果有 comments_summary，说明评论内容已锁定，直接返回管理数据库的数据
+        # 因为管理数据库中已经保存了锁定的评论内容
+        logging.info(f'🔒 检测到 comments_summary，episode_details 将保持锁定状态（包含评论内容）')
+        return episode_details
+
     def _normalize_play_vv(self, play_vv):
         """标准化播放量数据类型，将字符串转换为数字"""
         if isinstance(play_vv, str):
@@ -407,7 +428,11 @@ class DouyinAutoScheduler:
                             "desc": management_data.get("desc", "") if management_data else "",
                             "updated_to_episode": management_data.get("updated_to_episode", 0) if management_data else 0,
                             "episode_video_ids": management_data.get("episode_video_ids", []) if management_data else [],
-                            "episode_details": management_data.get("episode_details", []) if management_data else [],
+                            # 🔒 episode_details 同步逻辑：如果有 comments_summary，保留评论内容但更新互动数据
+                            "episode_details": self._sync_episode_details_with_lock(
+                                management_data.get("episode_details", []) if management_data else [],
+                                management_data.get("comments_summary", "") if management_data else ""
+                            ),
                             "data_status": management_data.get("data_status", "") if management_data else "",
                             "realtime_saved": management_data.get("realtime_saved", True) if management_data else True,
                             "created_at": management_data.get("created_at") if management_data else None,
diff --git a/backend/handlers/Rankings/rank_data_scraper.py b/backend/handlers/Rankings/rank_data_scraper.py
index cda7dc7..65abe70 100644
--- a/backend/handlers/Rankings/rank_data_scraper.py
+++ b/backend/handlers/Rankings/rank_data_scraper.py
@@ -2373,6 +2373,20 @@ class DouyinPlayVVScraper:
                     # 检查是否已存在该短剧的记录
                     existing_doc = target_collection.find_one({'mix_id': mix_id})
                     
+                    # 🔒 保护现有的 episode_details 中的评论数据
+                    final_episode_details = target_doc.get('episode_details', [])
+                    if existing_doc and existing_doc.get('episode_details'):
+                        existing_episode_details = existing_doc.get('episode_details', [])
+                        # 合并现有的评论数据到新的 episode_details
+                        for i, new_episode in enumerate(final_episode_details):
+                            if i < len(existing_episode_details):
+                                existing_episode = existing_episode_details[i]
+                                # 保留现有的评论数据（如果存在）
+                                existing_comments = existing_episode.get('comments', [])
+                                if existing_comments:
+                                    new_episode['comments'] = existing_comments
+                                    logging.info(f'[评论保护] 保留第 {i+1} 集的 {len(existing_comments)} 条现有评论: {mix_name}')
+                    
                     # 准备更新字段（不包含锁定字段，锁定字段将在后面单独处理）
                     set_fields = {
                         # 按照用户指定的字段顺序设置
@@ -2394,7 +2408,7 @@ class DouyinPlayVVScraper:
                         'desc': target_doc.get('desc', ''),
                         'updated_to_episode': target_doc.get('updated_to_episode', 0),
                         'episode_video_ids': target_doc.get('episode_video_ids', []),
-                        'episode_details': target_doc.get('episode_details', []),
+                        'episode_details': final_episode_details,  # 使用合并后的 episode_details
                         'data_status': target_doc.get('data_status', ''),
                         'realtime_saved': target_doc.get('realtime_saved', True),
                         'created_at': target_doc.get('created_at', datetime.now()),
@@ -2617,7 +2631,7 @@ class DouyinPlayVVScraper:
             logging.error(f'[增量更新] 更新视频ID列表失败: {mix_name} - 错误: {e}')
             return []
 
-    def update_single_video_details(self, document_id, episode_number: int, video_id: str, video_details: dict, mix_name: str):
+    def update_single_video_details(self, document_id, episode_number: int, video_id: str, video_details: dict, mix_name: str, mix_id: str = ''):
         """更新单个视频的详细数据（第三阶段增量更新）"""
         target_collection = self.collection  # 使用根据模式选择的集合
         if not self.realtime_save_enabled or target_collection is None or not document_id:
@@ -2631,6 +2645,36 @@ class DouyinPlayVVScraper:
             return False
             
         try:
+            # 🔒 检查是否有 comments_summary，如果有则保留现有评论
+            # 注意：始终检查 Rankings_management 数据库，因为这是锁定字段的唯一来源
+            existing_comments = []
+            if self.management_collection is not None:
+                # 优先使用 mix_id 查询，因为 mix_id 是唯一且稳定的标识符
+                # 如果没有 mix_id，则使用 document_id（_id）
+                query = {'mix_id': mix_id} if mix_id else {'_id': document_id}
+                logging.info(f'🔍 [评论锁定] 检查 Rankings_management 数据库: query={query}, episode_number={episode_number}')
+                doc = self.management_collection.find_one(query)
+                if doc:
+                    logging.info(f'🔍 [评论锁定] 找到文档: mix_name={doc.get("mix_name")}, has_comments_summary={bool(doc.get("comments_summary"))}')
+                    if doc.get('comments_summary'):
+                        # 获取现有的评论数据
+                        episode_details = doc.get('episode_details', [])
+                        logging.info(f'🔍 [评论锁定] episode_details 长度: {len(episode_details)}')
+                        if episode_number - 1 < len(episode_details):
+                            existing_episode = episode_details[episode_number - 1]
+                            existing_comments = existing_episode.get('comments', [])
+                            logging.info(f'🔍 [评论锁定] 第 {episode_number} 集现有评论数: {len(existing_comments)}')
+                            if existing_comments:
+                                logging.info(f'🔒 检测到 comments_summary，保留现有 {len(existing_comments)} 条评论')
+                        else:
+                            logging.warning(f'⚠️ [评论锁定] episode_number={episode_number} 超出 episode_details 范围（长度={len(episode_details)}）')
+                    else:
+                        logging.info(f'🔍 [评论锁定] comments_summary 为空，将抓取新评论')
+                else:
+                    logging.warning(f'⚠️ [评论锁定] 未找到 document_id={document_id} 的文档')
+            else:
+                logging.warning(f'⚠️ [评论锁定] management_collection 未初始化')
+            
             # 构建更新的视频详细信息
             episode_info = {
                 'episode_number': episode_number,
@@ -2641,7 +2685,8 @@ class DouyinPlayVVScraper:
                 'likes_formatted': self.format_interaction_count(video_details.get('likes', 0)),
                 'shares_formatted': self.format_interaction_count(video_details.get('shares', 0)),
                 'favorites_formatted': self.format_interaction_count(video_details.get('favorites', 0)),
-                'comments': video_details.get('comments', []),
+                # 🔒 如果有现有评论则保留，否则使用新抓取的评论
+                'comments': existing_comments if existing_comments else video_details.get('comments', []),
                 'data_status': 'completed'
             }
             
@@ -2919,13 +2964,13 @@ class DouyinPlayVVScraper:
                 
                 if video_details and video_details.get('success', False):
                     # 立即更新到数据库
-                    self.update_single_video_details(document_id, i, video_id, video_details, mix_name)
+                    self.update_single_video_details(document_id, i, video_id, video_details, mix_name, mix_id)
                 else:
                     logging.warning(f'[增量更新] 第 {i} 集视频详细数据获取失败: {mix_name}')
                 
                 # 添加随机延迟避免请求过快，模拟人类行为
                 if i < len(episode_video_ids):  # 不是最后一个视频时才延迟
-                    random_delay = self.anti_detection.get_human_like_delay()
+                    random_delay = random.uniform(2.0, 5.0)  # 2-5秒随机延迟
                     logging.info(f'🕐 [增量更新] 视频间隔等待时间: {random_delay:.1f}秒')
                     time.sleep(random_delay)
                     
@@ -3985,6 +4030,21 @@ class DouyinPlayVVScraper:
         # 添加互动数据保存标记，避免重复保存
         interaction_data_saved = False
         
+        # 🔒 检查是否应该跳过评论抓取（根据 comments_summary 字段判断）
+        # 注意：始终检查 Rankings_management 数据库，因为这是锁定字段的唯一来源
+        should_skip_comments = False
+        if document_id:
+            try:
+                # 使用 management_collection 而不是 self.collection
+                # 确保无论什么模式都检查管理数据库中的 comments_summary
+                if self.management_collection is not None:
+                    doc = self.management_collection.find_one({'_id': document_id})
+                    if doc and doc.get('comments_summary'):
+                        should_skip_comments = True
+                        logging.info(f'🔒 检测到 comments_summary 字段有内容，将跳过评论抓取（但仍会更新点赞、分享、收藏数）')
+            except Exception as e:
+                logging.warning(f'检查 comments_summary 字段时出错: {e}')
+        
         # 检查是否应该跳过详细数据获取（仅在定时器模式下跳过）
         if os.environ.get('AUTO_CONTINUE') == '1':
             logging.info(f'🚀 定时器模式：跳过视频 {video_id} 的详细数据获取（点赞、收藏、分享、评论）')
@@ -3992,7 +4052,7 @@ class DouyinPlayVVScraper:
             video_details['error'] = '定时器模式：跳过详细数据获取'
             return video_details
         
-        logging.info(f'🔍 get_video_details 被调用: video_id={video_id}')
+        logging.info(f'🔍 get_video_details 被调用: video_id={video_id}, 跳过评论={should_skip_comments}')
         
         try:
             # 确保driver已初始化
@@ -4086,64 +4146,68 @@ class DouyinPlayVVScraper:
                 except Exception as e:
                     continue
             
-            # 启动滑动机制加载更多评论
-            logging.info(f'开始为视频 {video_id} 启动滑动机制加载评论')
-            scrolled_comments = self._simulate_comment_scrolling(video_id, max_scroll_attempts=15, scroll_delay=2.0,
-                                                               document_id=document_id, episode_number=episode_number, mix_name=mix_name, mix_id=mix_id, max_comments=100)
-            
-            # 如果滑动机制获取到评论，直接使用
-            if scrolled_comments:
-                video_details['comments'] = scrolled_comments
-                logging.info(f'滑动机制成功获取 {len(video_details["comments"])} 条评论')
-            
-            # 获取滑动后的网络请求日志（用于评论数据）
-            logs = self.driver.get_log('performance')
-            
-            # 解析滑动后的网络日志获取评论数据（作为滑动机制的补充）
-            for entry in logs:
-                try:
-                    log = json.loads(entry['message'])['message']
-                    if (
-                        'Network.responseReceived' in log['method']
-                        and 'response' in log['params']
-                        and log['params']['response']
-                        and log['params']['response'].get('url')
-                    ):
-                        url = log['params']['response']['url']
-                        
-                        # 只处理评论API（视频详情API已在初始阶段处理）
-                        if '/aweme/v1/web/comment/list/' in url and video_id in url and not video_details['comments']:
-                            try:
-                                # 获取响应体
-                                response_body = self.driver.execute_cdp_cmd(
-                                    'Network.getResponseBody',
-                                    {'requestId': log['params']['requestId']}
-                                )
-                                
-                                if response_body and 'body' in response_body:
-                                    data = json.loads(response_body['body'])
-                                    comments = data.get('comments', [])
+            # 🔒 根据 should_skip_comments 标志决定是否抓取评论
+            if not should_skip_comments:
+                # 启动滑动机制加载更多评论
+                logging.info(f'开始为视频 {video_id} 启动滑动机制加载评论')
+                scrolled_comments = self._simulate_comment_scrolling(video_id, max_scroll_attempts=15, scroll_delay=2.0,
+                                                                   document_id=document_id, episode_number=episode_number, mix_name=mix_name, mix_id=mix_id, max_comments=100)
+                
+                # 如果滑动机制获取到评论，直接使用
+                if scrolled_comments:
+                    video_details['comments'] = scrolled_comments
+                    logging.info(f'滑动机制成功获取 {len(video_details["comments"])} 条评论')
+                
+                # 获取滑动后的网络请求日志（用于评论数据）
+                logs = self.driver.get_log('performance')
+                
+                # 解析滑动后的网络日志获取评论数据（作为滑动机制的补充）
+                for entry in logs:
+                    try:
+                        log = json.loads(entry['message'])['message']
+                        if (
+                            'Network.responseReceived' in log['method']
+                            and 'response' in log['params']
+                            and log['params']['response']
+                            and log['params']['response'].get('url')
+                        ):
+                            url = log['params']['response']['url']
+                            
+                            # 只处理评论API（视频详情API已在初始阶段处理）
+                            if '/aweme/v1/web/comment/list/' in url and video_id in url and not video_details['comments']:
+                                try:
+                                    # 获取响应体
+                                    response_body = self.driver.execute_cdp_cmd(
+                                        'Network.getResponseBody',
+                                        {'requestId': log['params']['requestId']}
+                                    )
                                     
-                                    # 只有在滑动机制没有获取到评论时才使用这个方法
-                                    if not video_details['comments']:
-                                        for comment in comments:
-                                            comment_info = {
-                                                'text': comment.get('text', ''),
-                                                'user_name': comment.get('user', {}).get('nickname', ''),
-                                                'digg_count': int(comment.get('digg_count', 0)),
-                                                'create_time': comment.get('create_time', 0)
-                                            }
-                                            video_details['comments'].append(comment_info)
+                                    if response_body and 'body' in response_body:
+                                        data = json.loads(response_body['body'])
+                                        comments = data.get('comments', [])
                                         
-                                        logging.info(f'备用方案获取到 {len(comments)} 条评论')
-                                        logging.info(f'评论API URL: {url}')
+                                        # 只有在滑动机制没有获取到评论时才使用这个方法
+                                        if not video_details['comments']:
+                                            for comment in comments:
+                                                comment_info = {
+                                                    'text': comment.get('text', ''),
+                                                    'user_name': comment.get('user', {}).get('nickname', ''),
+                                                    'digg_count': int(comment.get('digg_count', 0)),
+                                                    'create_time': comment.get('create_time', 0)
+                                                }
+                                                video_details['comments'].append(comment_info)
+                                            
+                                            logging.info(f'备用方案获取到 {len(comments)} 条评论')
+                                            logging.info(f'评论API URL: {url}')
+                                        
+                                except Exception as e:
+                                    logging.warning(f'解析评论API响应失败: {e}')
+                                    continue
                                     
-                            except Exception as e:
-                                logging.warning(f'解析评论API响应失败: {e}')
-                                continue
-                                
-                except Exception as e:
-                    continue
+                    except Exception as e:
+                        continue
+            else:
+                logging.info(f'🔒 跳过视频 {video_id} 的评论抓取（comments_summary 已存在）')
             
             # 如果网络日志没有获取到数据，尝试页面解析
             if video_details['likes'] == 0 and video_details['shares'] == 0 and video_details['favorites'] == 0:
@@ -4410,7 +4474,7 @@ class DouyinPlayVVScraper:
                 video_details_list.append(video_details)
                 
                 # 添加随机延迟避免请求过快，模拟人类行为
-                random_delay = self.anti_detection.get_human_like_delay()
+                random_delay = random.uniform(2.0, 5.0)  # 2-5秒随机延迟
                 logging.info(f'🕐 视频间隔等待时间: {random_delay:.1f}秒')
                 time.sleep(random_delay)
                 # exit(0)
diff --git a/backend/routers/rank_api_routes.py b/backend/routers/rank_api_routes.py
index 8038f0e..62b3fdb 100644
--- a/backend/routers/rank_api_routes.py
+++ b/backend/routers/rank_api_routes.py
@@ -2937,3 +2937,208 @@ def article_health_check():
                 "timestamp": datetime.now().strftime("%Y-%m-%d %H:%M:%S")
             }
         })
+
+# ==================== 评论总结管理API ====================
+
+@rank_bp.route('/comments/regenerate-summary', methods=['POST'])
+def regenerate_comments_summary():
+    """
+    重新生成评论总结
+    根据现有的评论内容重新调用大模型API生成总结
+    不清空评论内容，只更新 comments_summary 字段
+    """
+    try:
+        data = request.get_json()
+        mix_id = data.get('mix_id', '')
+        
+        if not mix_id:
+            return jsonify({
+                "success": False,
+                "message": "缺少必要参数: mix_id"
+            })
+        
+        # 从管理数据库获取数据
+        management_doc = rankings_management_collection.find_one({'mix_id': mix_id})
+        if not management_doc:
+            return jsonify({
+                "success": False,
+                "message": f"未找到 mix_id 为 {mix_id} 的数据"
+            })
+        
+        # 获取所有集的评论
+        episode_details = management_doc.get('episode_details', [])
+        if not episode_details:
+            return jsonify({
+                "success": False,
+                "message": "该短剧没有集数数据"
+            })
+        
+        # 收集所有评论
+        all_comments = []
+        for episode in episode_details:
+            comments = episode.get('comments', [])
+            for comment in comments:
+                if isinstance(comment, dict):
+                    text = comment.get('text', '').strip()
+                    if text:
+                        all_comments.append(text)
+                elif isinstance(comment, str):
+                    text = comment.strip()
+                    if text:
+                        all_comments.append(text)
+        
+        if not all_comments:
+            return jsonify({
+                "success": False,
+                "message": "该短剧没有评论内容，无法生成总结"
+            })
+        
+        # 调用大模型API生成总结
+        try:
+            from handlers.Rankings.rank_data_scraper import CommentsSummarizer
+            summarizer = CommentsSummarizer()
+            mix_name = management_doc.get('mix_name', '')
+            comments_summary = summarizer.summarize_comments(all_comments, mix_name)
+            
+            if not comments_summary:
+                return jsonify({
+                    "success": False,
+                    "message": "评论总结生成失败，请稍后重试"
+                })
+            
+            # 更新两个数据库的 comments_summary 字段
+            update_data = {
+                '$set': {
+                    'comments_summary': comments_summary,
+                    'last_updated': datetime.now()
+                }
+            }
+            
+            # 更新管理数据库
+            rankings_management_collection.update_one(
+                {'mix_id': mix_id},
+                update_data
+            )
+            
+            # 更新主数据库（Ranking_storage）
+            # 查找最新的包含该 mix_id 的文档
+            latest_doc = collection.find_one(
+                {'data.mix_id': mix_id},
+                sort=[('created_at', -1)]
+            )
+            
+            if latest_doc:
+                # 更新 data 数组中对应的项
+                collection.update_one(
+                    {'_id': latest_doc['_id'], 'data.mix_id': mix_id},
+                    {'$set': {'data.$.comments_summary': comments_summary}}
+                )
+            
+            logging.info(f'✅ 成功重新生成评论总结: mix_id={mix_id}, mix_name={mix_name}')
+            
+            return jsonify({
+                "success": True,
+                "message": "评论总结重新生成成功",
+                "data": {
+                    "comments_summary": comments_summary,
+                    "comments_count": len(all_comments)
+                }
+            })
+            
+        except Exception as e:
+            logging.error(f'调用大模型API失败: {e}')
+            return jsonify({
+                "success": False,
+                "message": f"调用大模型API失败: {str(e)}"
+            })
+        
+    except Exception as e:
+        logging.error(f'重新生成评论总结失败: {e}')
+        return jsonify({
+            "success": False,
+            "message": f"重新生成评论总结失败: {str(e)}"
+        })
+
+@rank_bp.route('/comments/clear-all', methods=['POST'])
+def clear_all_comments():
+    """
+    清空所有评论相关数据
+    同时清空 comments_summary 和所有 episode_details 中的 comments 字段
+    两个数据库都会同步清空
+    """
+    try:
+        data = request.get_json()
+        mix_id = data.get('mix_id', '')
+        
+        if not mix_id:
+            return jsonify({
+                "success": False,
+                "message": "缺少必要参数: mix_id"
+            })
+        
+        # 从管理数据库获取数据
+        management_doc = rankings_management_collection.find_one({'mix_id': mix_id})
+        if not management_doc:
+            return jsonify({
+                "success": False,
+                "message": f"未找到 mix_id 为 {mix_id} 的数据"
+            })
+        
+        # 清空 episode_details 中的所有评论
+        episode_details = management_doc.get('episode_details', [])
+        for episode in episode_details:
+            episode['comments'] = []
+        
+        # 更新数据
+        update_data = {
+            '$set': {
+                'comments_summary': '',
+                'episode_details': episode_details,
+                'last_updated': datetime.now()
+            }
+        }
+        
+        # 更新管理数据库
+        result1 = rankings_management_collection.update_one(
+            {'mix_id': mix_id},
+            update_data
+        )
+        
+        # 更新主数据库（Ranking_storage）
+        # 查找最新的包含该 mix_id 的文档
+        latest_doc = collection.find_one(
+            {'data.mix_id': mix_id},
+            sort=[('created_at', -1)]
+        )
+        
+        if latest_doc:
+            # 更新 data 数组中对应的项
+            collection.update_one(
+                {'_id': latest_doc['_id'], 'data.mix_id': mix_id},
+                {
+                    '$set': {
+                        'data.$.comments_summary': '',
+                        'data.$.episode_details': episode_details
+                    }
+                }
+            )
+        
+        mix_name = management_doc.get('mix_name', '')
+        logging.info(f'✅ 成功清空所有评论数据: mix_id={mix_id}, mix_name={mix_name}')
+        
+        return jsonify({
+            "success": True,
+            "message": "评论数据已全部清空",
+            "data": {
+                "mix_id": mix_id,
+                "mix_name": mix_name,
+                "cleared_episodes": len(episode_details)
+            }
+        })
+        
+    except Exception as e:
+        logging.error(f'清空评论数据失败: {e}')
+        return jsonify({
+            "success": False,
+            "message": f"清空评论数据失败: {str(e)}"
+        })
diff --git a/frontend/src/AdminPanel.vue b/frontend/src/AdminPanel.vue
index c746abc..50de586 100644
--- a/frontend/src/AdminPanel.vue
+++ b/frontend/src/AdminPanel.vue
@@ -9,6 +9,7 @@ const router = useRouter()
 const rankingData = ref([])
 const loading = ref(false)
 const showEditModal = ref(false)
+const regenerating = ref(false)  // 重新生成评论总结的加载状态
 
 // 编辑表单数据
 const editForm = reactive({
@@ -244,6 +245,73 @@ const clearCommentsSummary = async () => {
   }
 }
 
+// 重新生成评论总结
+const regenerateCommentsSummary = async () => {
+  if (!confirm('确定要重新生成评论总结吗？这将调用AI根据现有评论内容重新生成总结。')) {
+    return
+  }
+  
+  if (regenerating.value) {
+    alert('正在生成中，请稍候...')
+    return
+  }
+  
+  try {
+    if (!editForm.mix_id) {
+      alert('缺少 mix_id，无法重新生成')
+      return
+    }
+    
+    // 设置加载状态
+    regenerating.value = true
+    
+    const response = await axios.post(`${API_BASE_URL}/rank/comments/regenerate-summary`, {
+      mix_id: editForm.mix_id
+    })
+    
+    if (response.data.success) {
+      editForm.comments_summary = response.data.data.comments_summary
+      alert(`评论总结重新生成成功！共分析了 ${response.data.data.comments_count} 条评论`)
+    } else {
+      alert(`重新生成失败: ${response.data.message}`)
+    }
+  } catch (error) {
+    console.error('重新生成评论总结失败:', error)
+    alert('重新生成评论总结失败，请检查网络连接')
+  } finally {
+    // 无论成功或失败，都要重置加载状态
+    regenerating.value = false
+  }
+}
+
+// 清空所有评论数据（包括评论总结和评论内容）
+const clearAllComments = async () => {
+  if (!confirm('确定要清空所有评论数据吗？这将同时清空评论总结和所有评论内容，此操作不可恢复！')) {
+    return
+  }
+  
+  try {
+    if (!editForm.mix_id) {
+      alert('缺少 mix_id，无法清空')
+      return
+    }
+    
+    const response = await axios.post(`${API_BASE_URL}/rank/comments/clear-all`, {
+      mix_id: editForm.mix_id
+    })
+    
+    if (response.data.success) {
+      editForm.comments_summary = ''
+      alert(`评论数据已全部清空！共清空了 ${response.data.data.cleared_episodes} 集的评论`)
+    } else {
+      alert(`清空失败: ${response.data.message}`)
+    }
+  } catch (error) {
+    console.error('清空评论数据失败:', error)
+    alert('清空评论数据失败，请检查网络连接')
+  }
+}
+
 // 删除项目
 const deleteItem = async (item) => {
   if (!confirm(`确定要删除 "${item.title || item.mix_name}" 吗？`)) {
@@ -531,7 +599,6 @@ onMounted(() => {
             </div>
           </div>
 
-          <!-- 评论总结区域 -->
           <div class="form-section">
             <h4 class="section-title">评论总结</h4>
             <div class="form-group">
@@ -543,14 +610,25 @@ onMounted(() => {
                 placeholder="评论总结内容（可手动编辑或由系统自动生成）"
                 style="resize: vertical;"
               ></textarea>
-              <button 
-                v-if="editForm.comments_summary"
-                class="btn btn-sm btn-delete" 
-                @click="clearCommentsSummary"
-                style="margin-top: 8px;"
-              >
-                清空评论总结
-              </button>
+              <div style="margin-top: 8px; display: flex; gap: 8px;">
+                <button 
+                  class="btn btn-sm btn-primary" 
+                  @click="regenerateCommentsSummary"
+                  :disabled="regenerating"
+                  title="根据现有评论内容重新生成AI总结"
+                >
+                  {{ regenerating ? '⏳ 正在生成中...' : '🔄 重新生成总结' }}
+                </button>
+                <button 
+                  v-if="editForm.comments_summary"
+                  class="btn btn-sm btn-delete" 
+                  @click="clearAllComments"
+                  :disabled="regenerating"
+                  title="清空评论总结和所有评论内容"
+                >
+                  🗑️ 清空所有
+                </button>
+              </div>
             </div>
           </div>
 
@@ -666,11 +744,23 @@ export default {
   background: #357abd;
 }
 
+.btn-primary:disabled {
+  background: #a0c4e8;
+  cursor: not-allowed;
+  opacity: 0.7;
+}
+
 .btn-secondary {
   background: #6c757d;
   color: white;
 }
 
+.btn-delete:disabled {
+  background: #e89ca5;
+  cursor: not-allowed;
+  opacity: 0.7;
+}
+
 .btn-secondary:hover {
   background: #545b62;
 }