diff --git a/backend/app/crypto_agent/crypto_agent.py b/backend/app/crypto_agent/crypto_agent.py
index 1fa6216..54e3e3c 100644
--- a/backend/app/crypto_agent/crypto_agent.py
+++ b/backend/app/crypto_agent/crypto_agent.py
@@ -206,26 +206,19 @@ class CryptoAgent:
             logger.info(f"   模拟交易: 已启用")
         logger.info("=" * 60 + "\n")
 
-        # 启动 WebSocket 价格监控（替代轮询模式）
+        # 启动价格监控（轮询模式）
         if self.paper_trading_enabled and self.symbols:
             try:
-                from app.services.websocket_monitor import get_ws_price_monitor
-                self.ws_monitor = get_ws_price_monitor()
-
-                for symbol in self.symbols:
-                    self.ws_monitor.subscribe_symbol(symbol)
-                    # 同时注册回调（用于模拟交易的价格触发）
-                    self.ws_monitor.add_price_callback(self._on_price_update)
-
-                logger.info(f"已启动 WebSocket 价格监控: {', '.join(self.symbols)}")
-            except Exception as e:
-                logger.error(f"WebSocket 价格监控启动失败，将使用轮询模式: {e}")
-                # 降级到轮询模式
+                from app.services.price_monitor_service import get_price_monitor_service
                 self.price_monitor = get_price_monitor_service()
+
                 for symbol in self.symbols:
                     self.price_monitor.subscribe_symbol(symbol)
                     self.price_monitor.add_price_callback(self._on_price_update)
+
                 logger.info(f"已启动轮询模式价格监控: {', '.join(self.symbols)}")
+            except Exception as e:
+                logger.error(f"价格监控启动失败: {e}")
 
         # 发送启动通知
         await self.feishu.send_text(
@@ -267,11 +260,7 @@ class CryptoAgent:
         """停止运行"""
         self.running = False
 
-        # 停止 WebSocket 价格监控
-        if hasattr(self, 'ws_monitor') and self.ws_monitor:
-            self.ws_monitor.stop()
-
-        # 停止轮询价格监控（如果存在）
+        # 停止轮询价格监控
         if hasattr(self, 'price_monitor') and self.price_monitor:
             self.price_monitor.stop()
 
diff --git a/backend/app/main.py b/backend/app/main.py
index c4c7f0f..f8e49d2 100644
--- a/backend/app/main.py
+++ b/backend/app/main.py
@@ -21,18 +21,17 @@ _crypto_agent_task = None
 
 
 async def price_monitor_loop():
-    """后台价格监控循环 - 使用 WebSocket 实时检查止盈止损"""
+    """后台价格监控循环 - 使用轮询检查止盈止损"""
     from app.services.paper_trading_service import get_paper_trading_service
+    from app.services.binance_service import binance_service
     from app.services.feishu_service import get_feishu_service
     from app.services.telegram_service import get_telegram_service
-    from app.services.websocket_monitor import get_ws_price_monitor
 
-    logger.info("后台价格监控任务已启动（WebSocket 模式）")
+    logger.info("后台价格监控任务已启动（轮询模式）")
 
     feishu = get_feishu_service()
     telegram = get_telegram_service()
     paper_trading = get_paper_trading_service()
-    ws_monitor = get_ws_price_monitor()
 
     # 价格更新回调 - 检查止盈止损
     async def on_price_update(symbol: str, price: float):
@@ -104,43 +103,97 @@ async def price_monitor_loop():
         except Exception as e:
             logger.error(f"处理 {symbol} 价格更新失败: {e}")
 
-    # 注册 WebSocket 回调
-    ws_monitor.add_price_callback(lambda s, p: asyncio.create_task(on_price_update(s, p)))
-
-    # 持续监控活跃订单，动态订阅/取消订阅
-    monitored_symbols = set()
-
+    # 持续监控活跃订单
     while True:
         try:
             # 获取活跃订单
             active_orders = paper_trading.get_active_orders()
-
-            # 获取需要监控的交易对
-            current_symbols = set(order.get('symbol') for order in active_orders if order.get('symbol'))
-
-            # 订阅新交易对
-            new_symbols = current_symbols - monitored_symbols
-            for symbol in new_symbols:
-                ws_monitor.subscribe_symbol(symbol)
-                logger.info(f"后台监控订阅 {symbol}")
-
-            # 取消订阅不再需要的交易对（可选，这里保留订阅以便快速响应）
-            # unmonitored_symbols = monitored_symbols - current_symbols
-            # for symbol in unmonitored_symbols:
-            #     ws_monitor.unsubscribe_symbol(symbol)
-
-            monitored_symbols = current_symbols
-
-            # 没有活跃订单时，等待 10 秒
             if not active_orders:
-                await asyncio.sleep(10)
-            else:
-                # 有活跃订单时，每 30 秒检查一次订阅状态
-                await asyncio.sleep(30)
+                await asyncio.sleep(10)  # 没有活跃订单时，10秒检查一次
+                continue
+
+            # 获取所有需要的交易对
+            symbols = set(order.get('symbol') for order in active_orders if order.get('symbol'))
+
+            # 获取价格并检查止盈止损
+            for symbol in symbols:
+                try:
+                    price = binance_service.get_current_price(symbol)
+                    if not price:
+                        continue
+
+                    # 检查止盈止损
+                    triggered = paper_trading.check_price_triggers(symbol, price)
+
+                    # 发送通知
+                    for result in triggered:
+                        status = result.get('status', '')
+                        event_type = result.get('event_type', 'order_closed')
+
+                        # 处理挂单成交事件
+                        if event_type == 'order_filled':
+                            side_text = "做多" if result.get('side') == 'long' else "做空"
+                            grade = result.get('signal_grade', 'N/A')
+
+                            message = f"""✅ 挂单成交
+
+交易对: {result.get('symbol')}
+方向: {side_text}
+等级: {grade}
+挂单价: ${result.get('entry_price', 0):,.2f}
+成交价: ${result.get('filled_price', 0):,.2f}
+仓位: ${result.get('quantity', 0):,.0f}
+止损: ${result.get('stop_loss', 0):,.2f}
+止盈: ${result.get('take_profit', 0):,.2f}"""
+
+                            # 发送通知
+                            await feishu.send_text(message)
+                            await telegram.send_message(message)
+                            logger.info(f"后台监控触发挂单成交: {result.get('order_id')} | {symbol}")
+                            continue
+
+                        # 处理订单平仓事件
+                        is_win = result.get('is_win', False)
+
+                        if status == 'closed_tp':
+                            emoji = "🎯"
+                            status_text = "止盈平仓"
+                        elif status == 'closed_sl':
+                            emoji = "🛑"
+                            status_text = "止损平仓"
+                        elif status == 'closed_be':
+                            emoji = "🔒"
+                            status_text = "保本止损"
+                        else:
+                            emoji = "📤"
+                            status_text = "平仓"
+
+                        win_text = "盈利" if is_win else "亏损"
+                        side_text = "做多" if result.get('side') == 'long' else "做空"
+
+                        message = f"""{emoji} 订单{status_text}
+
+交易对: {result.get('symbol')}
+方向: {side_text}
+入场: ${result.get('entry_price', 0):,.2f}
+出场: ${result.get('exit_price', 0):,.2f}
+{win_text}: {result.get('pnl_percent', 0):+.2f}% (${result.get('pnl_amount', 0):+.2f})
+持仓时间: {result.get('hold_duration', 'N/A')}"""
+
+                        # 发送通知
+                        await feishu.send_text(message)
+                        await telegram.send_message(message)
+                        logger.info(f"后台监控触发平仓: {result.get('order_id')} | {symbol}")
+
+                except Exception as e:
+                    logger.error(f"检查 {symbol} 价格失败: {e}")
+
+            # 每 3 秒检查一次
+            await asyncio.sleep(3)
 
         except Exception as e:
             logger.error(f"价格监控循环出错: {e}")
-            await asyncio.sleep(60)
+            await asyncio.sleep(5)
 
 
 async def periodic_report_loop():
diff --git a/backend/app/services/binance_service.py b/backend/app/services/binance_service.py
index 2bad1a7..4619e07 100644
--- a/backend/app/services/binance_service.py
+++ b/backend/app/services/binance_service.py
@@ -1,6 +1,6 @@
 """
 Binance 数据服务 - 获取加密货币 K 线数据和技术指标
-使用 requests 直接调用 REST API，避免与 WebSocket 的事件循环冲突
+使用 requests 直接调用 REST API
 """
 import pandas as pd
 import numpy as np
diff --git a/backend/app/services/websocket_monitor.py b/backend/app/services/websocket_monitor.py
deleted file mode 100644
index b53b140..0000000
--- a/backend/app/services/websocket_monitor.py
+++ /dev/null
@@ -1,284 +0,0 @@
-"""
-WebSocket 价格监控服务 - 使用 Binance WebSocket API 实现实时价格推送
-"""
-import json
-import asyncio
-import threading
-from typing import Dict, List, Callable, Optional, Set
-from datetime import datetime
-import websockets
-from app.utils.logger import logger
-
-
-class WebSocketPriceMonitor:
-    """WebSocket 实时价格监控服务"""
-
-    # Binance WebSocket 端点
-    BASE_WS_URL = "wss://stream.binance.com:9443/ws"
-
-    def __init__(self):
-        """初始化 WebSocket 价格监控服务"""
-        self._ws = None
-        self._loop = None
-        self._thread = None
-        self._running = False
-        self._subscribed_symbols: Set[str] = set()
-        self._price_callbacks: List[Callable[[str, float], None]] = []
-        self._latest_prices: Dict[str, float] = {}
-        self._lock = threading.Lock()
-        self._last_heartbeat: Optional[datetime] = None
-
-        # 连接和重连配置
-        self._reconnect_delay = 5  # 重连延迟（秒）
-        self._max_reconnect_attempts = 10
-
-        logger.info("WebSocket 价格监控服务初始化完成")
-
-    def is_running(self) -> bool:
-        """检查服务是否在运行"""
-        return self._running and self._ws is not None and self._running
-
-    def subscribe_symbol(self, symbol: str):
-        """
-        订阅交易对的价格推送
-
-        Args:
-            symbol: 交易对，如 "BTCUSDT"
-        """
-        symbol = symbol.upper()
-
-        need_start = False
-        with self._lock:
-            if symbol in self._subscribed_symbols:
-                logger.debug(f"[WS:{id(self)}] {symbol} 已订阅，跳过")
-                return
-
-            self._subscribed_symbols.add(symbol)
-
-            # 检查是否需要启动服务
-            if not self.is_running():
-                need_start = True
-
-        # 在锁外启动服务（避免死锁）
-        if need_start:
-            self.start()
-
-        # 在锁外获取当前价格（避免阻塞）
-        self._fetch_current_price(symbol)
-
-        logger.info(f"[WS:{id(self)}] 已订阅 {symbol} 价格更新 (当前订阅: {self._subscribed_symbols})")
-
-    def unsubscribe_symbol(self, symbol: str):
-        """取消订阅交易对"""
-        symbol = symbol.upper()
-
-        with self._lock:
-            if symbol in self._subscribed_symbols:
-                self._subscribed_symbols.discard(symbol)
-                self._latest_prices.pop(symbol, None)
-                logger.info(f"[WS:{id(self)}] 已取消订阅 {symbol}")
-
-                # 如果没有订阅了，可以考虑断开连接
-                if not self._subscribed_symbols:
-                    logger.info(f"[WS:{id(self)}] 没有订阅的交易对，准备断开连接")
-
-    def add_price_callback(self, callback: Callable[[str, float], None]):
-        """添加价格更新回调函数"""
-        with self._lock:
-            if callback not in self._price_callbacks:
-                self._price_callbacks.append(callback)
-
-    def remove_price_callback(self, callback: Callable):
-        """移除价格回调函数"""
-        with self._lock:
-            if callback in self._price_callbacks:
-                self._price_callbacks.remove(callback)
-
-    def get_latest_price(self, symbol: str) -> Optional[float]:
-        """获取交易对的最新缓存价格"""
-        return self._latest_prices.get(symbol.upper())
-
-    def get_subscribed_symbols(self) -> List[str]:
-        """获取已订阅的交易对列表"""
-        with self._lock:
-            return list(self._subscribed_symbols)
-
-    def start(self):
-        """启动 WebSocket 连接"""
-        with self._lock:
-            if self._running:
-                logger.debug(f"[WS:{id(self)}] WebSocket 服务已在运行")
-                return
-
-            self._running = True
-
-            # 在新线程中运行事件循环
-            self._thread = threading.Thread(target=self._run_event_loop, daemon=True)
-            self._thread.start()
-
-    def stop(self):
-        """停止 WebSocket 连接"""
-        with self._lock:
-            if not self._running:
-                return
-
-            self._running = False
-
-            # 关闭 WebSocket 连接
-            if self._loop and self._loop.is_running():
-                self._loop.call_soon_threadsafe(self._close_ws())
-
-        if self._thread and self._thread.is_alive():
-            self._thread.join(timeout=5)
-
-        logger.info(f"[WS:{id(self)}] WebSocket 价格监控服务已停止")
-
-    def _run_event_loop(self):
-        """运行 WebSocket 事件循环（在单独线程中）"""
-        # 创建新的事件循环
-        self._loop = asyncio.new_event_loop()
-        asyncio.set_event_loop(self._loop)
-
-        try:
-            self._loop.run_until_complete(self._connect_and_listen())
-        except Exception as e:
-            logger.error(f"[WS:{id(self)}] WebSocket 事件循环出错: {e}")
-        finally:
-            self._loop.close()
-
-    async def _connect_and_listen(self):
-        """连接并监听 WebSocket 消息"""
-        retry_count = 0
-
-        while self._running and retry_count < self._max_reconnect_attempts:
-            try:
-                # 构建订阅流
-                with self._lock:
-                    symbols = list(self._subscribed_symbols)
-
-                if not symbols:
-                    # 没有订阅的交易对，等待订阅
-                    logger.debug(f"[WS:{id(self)}] 没有订阅的交易对，等待 5 秒")
-                    await asyncio.sleep(5)
-                    continue
-
-                # 构建 WebSocket 流
-                streams = []
-                for symbol in symbols:
-                    streams.append(f"{symbol.lower()}@ticker")
-
-                # Binance 组合流 URL 格式: /stream?streams=btcusdt@ticker/ethusdt@ticker
-                url = f"{self.BASE_WS_URL}/stream?streams={'/'.join(streams)}"
-
-                logger.info(f"[WS:{id(self)}] 正在连接 WebSocket... (订阅: {', '.join(symbols)})")
-                logger.debug(f"[WS:{id(self)}] WebSocket URL: {url}")
-
-                async with websockets.connect(url, ping_interval=30) as ws:
-                    self._ws = ws
-                    retry_count = 0  # 连接成功，重置重试计数
-                    self._last_heartbeat = datetime.now()
-
-                    logger.info(f"[WS:{id(self)}] WebSocket 已连接")
-
-                    # 监听消息
-                    async for message in self._ws:
-                        await self._on_message(message)
-
-            except websockets.exceptions.ConnectionClosed as e:
-                logger.warning(f"[WS:{id(self)}] WebSocket 连接关闭: {e}")
-            except websockets.exceptions.ConnectionError as e:
-                logger.error(f"[WS:{id(self)}] WebSocket 连接错误: {e}")
-            except Exception as e:
-                logger.error(f"[WS:{id(self)}] WebSocket 异常: {e}")
-
-            # 检查是否需要重连
-            with self._lock:
-                should_reconnect = self._running and self._subscribed_symbols and retry_count < self._max_reconnect_attempts
-
-            if should_reconnect:
-                retry_count += 1
-                logger.info(f"[WS:{id(self)}] 将在 {self._reconnect_delay} 秒后重连... (尝试 {retry_count}/{self._max_reconnect_attempts})")
-                await asyncio.sleep(self._reconnect_delay)
-            else:
-                if self._running:
-                    logger.warning(f"[WS:{id(self)}] 达到最大重连次数，停止服务")
-                self._running = False
-                break
-
-    async def _on_message(self, message):
-        """处理 WebSocket 消息"""
-        try:
-            data = json.loads(message)
-
-            # 处理不同的消息类型
-            if data.get('e') == '24hrTicker':  # 24小时价格变动
-                symbol = data.get('s')
-                if symbol:
-                    # 解析价格
-                    price = float(data.get('c', 0))  # 当前价格
-                    self._update_price(symbol.upper(), price)
-
-            elif data.get('result') is not None and isinstance(data['result'], list):
-                # 多个交易对的价格推送
-                for item in data['result']:
-                    symbol = item.get('s')
-                    if symbol:
-                        price = float(item.get('c', 0))
-                        self._update_price(symbol.upper(), price)
-
-        except json.JSONDecodeError as e:
-            logger.error(f"[WS:{id(self)}] 解析 WebSocket 消息失败: {e}")
-        except Exception as e:
-            logger.error(f"[WS:{id(self)}] 处理 WebSocket 消息出错: {e}")
-
-    def _update_price(self, symbol: str, price: float):
-        """更新价格并触发回调"""
-        old_price = self._latest_prices.get(symbol)
-
-        # 只有价格变化时才触发回调
-        if old_price != price:
-            self._latest_prices[symbol] = price
-
-            # 调用所有注册的回调函数
-            with self._lock:
-                callbacks = self._price_callbacks.copy()
-
-            # 在线程中执行回调
-            for callback in callbacks:
-                try:
-                    callback(symbol, price)
-                except Exception as e:
-                    logger.error(f"[WS:{id(self)}] 价格回调执行出错: {e}")
-
-    async def _close_ws(self):
-        """关闭 WebSocket 连接"""
-        if self._ws:
-            await self._ws.close()
-            self._ws = None
-            logger.info(f"[WS:{id(self)}] WebSocket 连接已关闭")
-
-    def _fetch_current_price(self, symbol: str):
-        """立即获取当前价格（WebSocket 连接建立前的临时方案）"""
-        try:
-            import requests
-            url = f"https://api.binance.com/api/v3/ticker/price?symbol={symbol}"
-            response = requests.get(url, timeout=5)
-            if response.status_code == 200:
-                data = response.json()
-                price = float(data['price'])
-                self._latest_prices[symbol] = price
-                logger.debug(f"[WS:{id(self)}] 获取 {symbol} 当前价格: ${price:,.2f}")
-        except Exception as e:
-            logger.warning(f"[WS:{id(self)}] 获取 {symbol} 当前价格失败: {e}")
-
-
-# 全局单例
-_ws_monitor: Optional[WebSocketPriceMonitor] = None
-
-
-def get_ws_price_monitor() -> WebSocketPriceMonitor:
-    """获取 WebSocket 价格监控服务单例"""
-    global _ws_monitor
-    if _ws_monitor is None:
-        _ws_monitor = WebSocketPriceMonitor()
-    return _ws_monitor
diff --git a/backend/requirements.txt b/backend/requirements.txt
index 7f06878..3fa51a8 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -10,7 +10,6 @@ pydantic==2.5.3
 pydantic-settings==2.1.0
 python-dotenv==1.0.0
 slowapi==0.1.9
-websockets>=13.0
 pandas>=2.2.0
 numpy>=1.26.0
 python-multipart==0.0.6
diff --git a/backend/run_crypto_agent.py b/backend/run_crypto_agent.py
index c3e4e6a..d8d9857 100644
--- a/backend/run_crypto_agent.py
+++ b/backend/run_crypto_agent.py
@@ -34,6 +34,6 @@ if __name__ == "__main__":
     try:
         asyncio.run(main())
     except KeyboardInterrupt:
-        # 静默处理 Ctrl+C，避免 WebSocket 关闭时的错误刷屏
+        # 静默处理 Ctrl+C
         print("\n程序已退出")
         sys.exit(0)
diff --git a/scripts/test_websocket_monitor.py b/scripts/test_websocket_monitor.py
deleted file mode 100644
index 63478f1..0000000
--- a/scripts/test_websocket_monitor.py
+++ /dev/null
@@ -1,118 +0,0 @@
-#!/usr/bin/env python3
-"""
-测试 WebSocket 价格监控服务
-"""
-import sys
-import os
-import asyncio
-import threading
-import time
-
-# 确保路径正确
-script_dir = os.path.dirname(os.path.abspath(__file__))
-project_root = os.path.dirname(script_dir)
-backend_dir = os.path.join(project_root, 'backend')
-sys.path.insert(0, backend_dir)
-
-from app.services.websocket_monitor import get_ws_price_monitor
-from app.utils.logger import logger
-
-
-# 用于接收价格更新的队列
-price_updates = []
-
-
-def on_price_update(symbol: str, price: float):
-    """价格更新回调"""
-    price_updates.append((symbol, price))
-    print(f"📊 [回调] {symbol}: ${price:,.2f}")
-
-
-async def main():
-    print("=" * 60)
-    print("🔌 测试 WebSocket 价格监控服务")
-    print("=" * 60)
-
-    ws_monitor = get_ws_price_monitor()
-
-    # 订阅几个交易对
-    symbols = ['BTCUSDT', 'ETHUSDT']
-
-    print(f"\n订阅交易对: {', '.join(symbols)}")
-    for symbol in symbols:
-        print(f"  订阅 {symbol}...")
-        ws_monitor.subscribe_symbol(symbol)
-
-    # 注册回调
-    print("注册价格回调...")
-    ws_monitor.add_price_callback(on_price_update)
-
-    print("\n等待价格推送（30秒）...")
-    print("提示: WebSocket 连接可能需要几秒钟建立...")
-    print("-" * 60)
-
-    # 给 WebSocket 线程一些时间启动
-    await asyncio.sleep(2)
-
-    # 检查状态
-    print(f"\n📡 WebSocket 运行状态: {ws_monitor.is_running()}")
-    print(f"📡 已订阅交易对: {ws_monitor.get_subscribed_symbols()}")
-    print(f"📡 WebSocket 线程存活: {ws_monitor._thread.is_alive() if ws_monitor._thread else 'None'}")
-    print(f"📡 事件循环: {'已创建' if ws_monitor._loop else '未创建'}")
-    print("-" * 60)
-
-    # 等待价格更新
-    start_time = time.time()
-    last_price_count = 0
-
-    for i in range(30):
-        await asyncio.sleep(1)
-
-        # 每5秒打印一次状态
-        if (i + 1) % 5 == 0:
-            elapsed = time.time() - start_time
-            current_count = len(price_updates)
-            new_updates = current_count - last_price_count
-            last_price_count = current_count
-
-            print(f"\n⏱️  已运行 {i+1} 秒 | 收到 {current_count} 次价格更新 (最近5秒: +{new_updates})")
-            print(f"   WebSocket 状态: {'🟢 运行中' if ws_monitor.is_running() else '🔴 未运行'}")
-
-            # 显示当前缓存的价格
-            for symbol in symbols:
-                price = ws_monitor.get_latest_price(symbol)
-                if price:
-                    print(f"   📊 {symbol}: ${price:,.2f}")
-
-    # 显示获取到的价格
-    print("\n" + "=" * 60)
-    print("📊 最终结果:")
-    print("=" * 60)
-    print(f"   共收到 {len(price_updates)} 次价格更新")
-    for symbol in symbols:
-        price = ws_monitor.get_latest_price(symbol)
-        if price:
-            print(f"   {symbol}: ${price:,.2f}")
-        else:
-            print(f"   {symbol}: 未获取到价格")
-
-    # 停止服务
-    print("\n停止服务...")
-    ws_monitor.stop()
-
-    # 等待线程结束
-    if ws_monitor._thread:
-        ws_monitor._thread.join(timeout=3)
-        print(f"线程已结束: {not ws_monitor._thread.is_alive()}")
-
-    print("=" * 60)
-    print("✅ 测试完成")
-    print("=" * 60)
-
-
-if __name__ == "__main__":
-    try:
-        asyncio.run(main())
-    except KeyboardInterrupt:
-        print("\n\n⚠️  测试中断")
-        sys.exit(0)