diff --git a/PROJECT_MAP.md b/PROJECT_MAP.md
new file mode 100644
index 0000000..d92468b
--- /dev/null
+++ b/PROJECT_MAP.md
@@ -0,0 +1,13 @@
+# Alpha表达式模拟系统 - 项目地图
+
+### 模拟服务项目 (8005端口)
+
+alpha-simulator/
+├── main.py # 模拟服务主程序
+├── core/
+│ └── simulator.py # 核心模拟逻辑
+├── auth/
+│ └── auth_service.py # 认证服务
+├── database/
+│ └── db_manager.py # 数据库操作
+└── requirements.txt # Python依赖
\ No newline at end of file
diff --git a/config/settings.py b/config/settings.py
index c26809e..cfecdd5 100644
--- a/config/settings.py
+++ b/config/settings.py
@@ -9,8 +9,8 @@ class Settings:
 
     # 数据库配置
     DATABASE_CONFIG = {
-        "host": "192.168.31.201",
-        # "host": "127.0.0.1",
+        # "host": "192.168.31.201",
+        "host": "127.0.0.1",
         "port": "5432",
         "user": "jack",
         "password": "aaaAAA111",
diff --git a/main.py b/main.py
index e6256b1..f992a1f 100644
--- a/main.py
+++ b/main.py
@@ -14,8 +14,10 @@ app = FastAPI(
 
 # 全局变量
 _simulator = None
-_last_result = None  # 存储上次执行结果
-_is_processing = False  # 是否正在处理
+_last_result = None
+_is_processing = False
+_token_expiry_time = 0  # token过期时间戳
+_TOKEN_REFRESH_THRESHOLD = 1800  # 30分钟刷新阈值
 
 
 def initialize_simulator():
@@ -28,6 +30,27 @@ def initialize_simulator():
     return _simulator
 
 
+def check_and_refresh_token():
+    """检查并刷新token"""
+    global _token_expiry_time, _simulator
+
+    current_time = time.time()
+
+    # 如果token即将过期（剩余时间少于30分钟），则刷新
+    if current_time >= _token_expiry_time - _TOKEN_REFRESH_THRESHOLD:
+        print("token即将过期，重新登录...")
+        _simulator.login()
+
+        # 更新token过期时间（假设token有效期14400秒）
+        _token_expiry_time = current_time + 14400
+        print(f"token已刷新，有效期至: {time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(_token_expiry_time))}")
+        return True
+    else:
+        remaining = int(_token_expiry_time - current_time)
+        print(f"token仍然有效，剩余时间: {remaining // 3600}小时{(remaining % 3600) // 60}分钟")
+        return False
+
+
 @app.get("/")
 async def root():
     """根路径，返回服务信息"""
@@ -49,11 +72,11 @@ async def run_simulation():
     """
     触发一次模拟执行
     执行顺序：
-    1. 刷新token
+    1. 检查token并刷新
     2. 加载alpha列表
     3. 执行批量模拟
     """
-    global _is_processing, _last_result
+    global _is_processing, _last_result, _simulator, _token_expiry_time
 
     # 检查是否正在处理
     if _is_processing:
@@ -69,9 +92,16 @@ async def run_simulation():
         # 初始化模拟器
         simulator = initialize_simulator()
 
-        # 1. 刷新token
-        print("刷新token...")
-        simulator.login()
+        # 1. 检查并刷新token（只在需要时）
+        print("检查token状态...")
+        if _token_expiry_time == 0:
+            # 第一次运行，需要登录
+            print("首次运行，进行登录...")
+            simulator.login()
+            _token_expiry_time = time.time() + 14400
+            print("登录成功")
+        else:
+            check_and_refresh_token()
 
         # 2. 加载alpha列表
         print("加载alpha列表...")
@@ -139,10 +169,20 @@ async def get_last_result():
 @app.get("/status")
 async def get_status():
     """获取服务状态"""
+    global _token_expiry_time
+
+    token_valid = False
+    if _token_expiry_time > 0:
+        remaining_time = _token_expiry_time - time.time()
+        token_valid = remaining_time > 0
+
     return {
+        "status": "running",
         "is_processing": _is_processing,
         "simulator_initialized": _simulator is not None,
         "has_last_result": _last_result is not None,
+        "token_valid": token_valid,
+        "token_expires_in": int(_token_expiry_time - time.time()) if _token_expiry_time > 0 else 0,
         "timestamp": time.time()
     }
 
@@ -153,7 +193,8 @@ async def health_check():
     return {
         "status": "healthy",
         "timestamp": time.time(),
-        "simulator_initialized": _simulator is not None
+        "simulator_initialized": _simulator is not None,
+        "token_valid": _token_expiry_time > time.time() if _token_expiry_time > 0 else False
     }
 
 
@@ -168,6 +209,6 @@ if __name__ == "__main__":
     uvicorn.run(
         app,
         host="0.0.0.0",
-        port=8000,
+        port=8005,
         log_level="info"
     )
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