diff --git a/api/sessions.py b/api/sessions.py
index 38ad1f3..bb50e8b 100644
--- a/api/sessions.py
+++ b/api/sessions.py
@@ -20,42 +20,22 @@ def get_sessions():
     try:
         sessions = []
         
-        # 遍历会话目录
         for filepath in glob.glob(os.path.join(SESSIONS_DIR, '*.jsonl')):
-            if filepath.endswith('.lock'):
+            if '.reset.' in filepath or filepath.endswith('.lock'):
                 continue
-                
-            session_id = os.path.basename(filepath).replace('.jsonl', '')
             
-            # 获取文件信息
+            session_id = os.path.basename(filepath).replace('.jsonl', '')
             stat = os.stat(filepath)
             updated_at = stat.st_mtime
             size = stat.st_size
             
-            # 读取最后几行获取会话信息
+            messages_count = 0
             try:
                 with open(filepath, 'r') as f:
-                    lines = f.readlines()
-                    total_tokens = 0
-                    channel = 'unknown'
-                    
-                    # 解析最后一条消息获取信息
-                    if lines:
-                        try:
-                            last_line = lines[-1].strip()
-                            if last_line:
-                                data = json.loads(last_line)
-                                if 'usage' in data:
-                                    total_tokens = data['usage'].get('total_tokens', 0)
-                        except:
-                            pass
-                    
-                    messages_count = len([l for l in lines if l.strip()])
+                    messages_count = len([l for l in f.readlines() if l.strip()])
             except:
-                messages_count = 0
-                total_tokens = 0
+                pass
             
-            # 判断是否活跃（5分钟内更新）
             is_active = (datetime.now().timestamp() - updated_at) < 300
             
             sessions.append({
@@ -65,11 +45,9 @@ def get_sessions():
                 'updatedTime': datetime.fromtimestamp(updated_at).strftime('%Y-%m-%d %H:%M:%S'),
                 'size': size,
                 'messagesCount': messages_count,
-                'totalTokens': total_tokens,
                 'status': 'active' if is_active else 'inactive'
             })
         
-        # 按更新时间排序
         sessions.sort(key=lambda x: x['updatedAt'], reverse=True)
         
         return jsonify({
@@ -80,10 +58,7 @@ def get_sessions():
             }
         })
     except Exception as e:
-        return jsonify({
-            'success': False,
-            'error': str(e)
-        })
+        return jsonify({'success': False, 'error': str(e)})
 
 @api.route('/sessions/<session_id>')
 def get_session_detail(session_id):
@@ -92,10 +67,7 @@ def get_session_detail(session_id):
         filepath = os.path.join(SESSIONS_DIR, f'{session_id}.jsonl')
         
         if not os.path.exists(filepath):
-            return jsonify({
-                'success': False,
-                'error': '会话不存在'
-            })
+            return jsonify({'success': False, 'error': '会话不存在'})
         
         messages = []
         
@@ -104,28 +76,38 @@ def get_session_detail(session_id):
                 line = line.strip()
                 if not line:
                     continue
-                    
+                
                 try:
-                    data = json.loads(line)
+                    record = json.loads(line)
                     
-                    # 提取消息
-                    if 'messages' in data:
-                        for msg in data['messages']:
+                    # 只处理 message 类型的记录
+                    if record.get('type') == 'message':
+                        msg = record.get('message', {})
+                        role = msg.get('role', 'unknown')
+                        content_parts = msg.get('content', [])
+                        
+                        # 提取文本内容
+                        text_content = ''
+                        for part in content_parts:
+                            if isinstance(part, dict):
+                                if part.get('type') == 'text':
+                                    text_content += part.get('text', '')
+                                elif part.get('type') == 'thinking':
+                                    text_content += '[思考中...] '
+                            elif isinstance(part, str):
+                                text_content += part
+                        
+                        if text_content.strip():
                             messages.append({
-                                'role': msg.get('role', 'unknown'),
-                                'content': msg.get('content', '')[:500],  # 截断内容
-                                'timestamp': data.get('created', 0)
+                                'role': role,
+                                'content': text_content[:500],
+                                'timestamp': record.get('timestamp', '')
                             })
-                    elif 'content' in data:
-                        messages.append({
-                            'role': data.get('role', 'unknown'),
-                            'content': data.get('content', '')[:500]
-                        })
                 except:
                     continue
         
-        # 只保留最近 20 条消息
-        messages = messages[-20:]
+        # 只保留最近 30 条消息
+        messages = messages[-30:]
         
         return jsonify({
             'success': True,
@@ -136,38 +118,20 @@ def get_session_detail(session_id):
             }
         })
     except Exception as e:
-        return jsonify({
-            'success': False,
-            'error': str(e)
-        })
+        return jsonify({'success': False, 'error': str(e)})
 
 @api.route('/sessions/<session_id>/kill', methods=['POST'])
 def kill_session(session_id):
-    """终止会话（删除会话文件）"""
+    """终止会话"""
     try:
         filepath = os.path.join(SESSIONS_DIR, f'{session_id}.jsonl')
-        lockfile = filepath + '.lock'
         
         if not os.path.exists(filepath):
-            return jsonify({
-                'success': False,
-                'error': '会话不存在'
-            })
+            return jsonify({'success': False, 'error': '会话不存在'})
         
-        # 重命名为备份文件而不是直接删除
         backup_path = filepath + f'.reset.{datetime.now().isoformat()}'
         os.rename(filepath, backup_path)
         
-        # 删除锁文件
-        if os.path.exists(lockfile):
-            os.remove(lockfile)
-        
-        return jsonify({
-            'success': True,
-            'message': '会话已终止'
-        })
+        return jsonify({'success': True, 'message': '会话已终止'})
     except Exception as e:
-        return jsonify({
-            'success': False,
-            'error': str(e)
-        })
+        return jsonify({'success': False, 'error': str(e)})