update pay function

mcp_server.py

@@ -2377,7 +2377,7 @@ MEETING_ROLES = {
         "name": "巴菲特",
         "nickname": "唱多者",
         "role_type": "bull",
-        "avatar": "/avatars/buffett.png",
+        "avatar": "/images/agent/巴菲特.png",
         "model": "kimi-k2-thinking",
         "color": "#10B981",
         "description": "主观多头，善于分析事件的潜在利好和长期价值",
@@ -2403,7 +2403,7 @@ MEETING_ROLES = {
         "name": "大空头",
         "nickname": "大空头",
         "role_type": "bear",
-        "avatar": "/avatars/big_short.png",
+        "avatar": "/images/agent/大空头.png",
         "model": "kimi-k2-thinking",
         "color": "#EF4444",
         "description": "善于分析事件和财报中的风险因素",
@@ -2429,7 +2429,7 @@ MEETING_ROLES = {
         "name": "量化分析员",
         "nickname": "西蒙斯",
         "role_type": "quant",
-        "avatar": "/avatars/simons.png",
+        "avatar": "/images/agent/simons.png",
         "model": "deepseek",
         "color": "#3B82F6",
         "description": "中性立场，使用量化工具分析技术指标",
@@ -2454,7 +2454,7 @@ MEETING_ROLES = {
         "name": "韭菜",
         "nickname": "牢大",
         "role_type": "retail",
-        "avatar": "/avatars/leek.png",
+        "avatar": "/images/agent/牢大.png",
         "model": "deepmoney",
         "color": "#F59E0B",
         "description": "贪婪又讨厌亏损，热爱追涨杀跌",
@@ -2474,7 +2474,7 @@ MEETING_ROLES = {
         "name": "基金经理",
         "nickname": "决策者",
         "role_type": "manager",
-        "avatar": "/avatars/fund_manager.png",
+        "avatar": "/images/agent/基金经理.png",
         "model": "deepseek",
         "color": "#8B5CF6",
         "description": "综合分析做出最终决策",
@@ -2650,7 +2650,7 @@ async def stream_role_response(
             messages=messages,
             stream=True,
             temperature=0.7,
-            max_tokens=500,
+            max_tokens=2000,  # 增加 token 限制以避免输出被截断
         )
 
         full_content = ""