diff --git a/backend/app/main.py b/backend/app/main.py
index 3c0e541..574a386 100644
--- a/backend/app/main.py
+++ b/backend/app/main.py
@@ -17,6 +17,7 @@ import os
 _price_monitor_task = None
 _report_task = None
 _stock_agent_task = None
+_crypto_agent_task = None
 
 
 async def price_monitor_loop():
@@ -148,7 +149,7 @@ async def periodic_report_loop():
 @asynccontextmanager
 async def lifespan(app: FastAPI):
     """应用生命周期管理"""
-    global _price_monitor_task, _report_task, _stock_agent_task
+    global _price_monitor_task, _report_task, _stock_agent_task, _crypto_agent_task
 
     # 启动时执行
     logger.info("应用启动")
@@ -162,6 +163,15 @@ async def lifespan(app: FastAPI):
         _report_task = asyncio.create_task(periodic_report_loop())
         logger.info("定时报告任务已创建")
 
+    # 启动加密货币智能体
+    if getattr(settings, 'crypto_symbols', '') and settings.crypto_symbols.strip():
+        try:
+            from app.crypto_agent.crypto_agent import crypto_agent
+            _crypto_agent_task = asyncio.create_task(crypto_agent.run())
+            logger.info(f"加密货币智能体已启动，监控: {settings.crypto_symbols}")
+        except Exception as e:
+            logger.error(f"加密货币智能体启动失败: {e}")
+
     # 启动美股智能体
     if getattr(settings, 'stock_symbols', '') and settings.stock_symbols.strip():
         try:
@@ -194,6 +204,15 @@ async def lifespan(app: FastAPI):
             pass
         logger.info("定时报告任务已停止")
 
+    # 停止加密货币智能体
+    if _crypto_agent_task:
+        _crypto_agent_task.cancel()
+        try:
+            await _crypto_agent_task
+        except asyncio.CancelledError:
+            pass
+        logger.info("加密货币智能体已停止")
+
     # 停止美股智能体
     if _stock_agent_task:
         _stock_agent_task.cancel()