1

backend/app/crypto_agent/crypto_agent.py

@@ -369,6 +369,10 @@ class CryptoAgent:
             symbol: 交易对，如 'BTCUSDT'
         """
         try:
+            # 更新活动时间
+            monitor = get_system_monitor()
+            monitor.update_activity("crypto_agent")
+
             logger.info(f"\n{'─' * 50}")
             logger.info(f"📊 {symbol} 分析开始")
             logger.info(f"{'─' * 50}")

backend/app/stock_agent/stock_agent.py

@@ -369,6 +369,10 @@ class StockAgent:
         Returns:
             分析结果字典，包含股票信息和信号
         """
+        # 更新活动时间
+        monitor = get_system_monitor()
+        monitor.update_activity("stock_agent")
+
         result = {
             'symbol': symbol,
             'current_price': 0,

backend/app/utils/system_status.py

@@ -90,6 +90,11 @@ class SystemStatusMonitor:
         if agent_id in self._agents:
             self._agents[agent_id].config = config
 
+    def update_activity(self, agent_id: str):
+        """更新 Agent 活动时间（在执行分析时调用）"""
+        if agent_id in self._agents:
+            self._agents[agent_id].last_activity = datetime.now()
+
     def get_agent_status(self, agent_id: str) -> Optional[AgentInfo]:
         """获取指定 Agent 状态"""
         return self._agents.get(agent_id)