diff --git a/backend/config_manager.py b/backend/config_manager.py
index 69d7624..c19e5cd 100644
--- a/backend/config_manager.py
+++ b/backend/config_manager.py
@@ -130,7 +130,13 @@ class ConfigManager:
                 # 从环境变量获取SSL配置（如果未设置，使用默认值）
                 ssl_cert_reqs = os.getenv('REDIS_SSL_CERT_REQS', 'required')
                 ssl_ca_certs = os.getenv('REDIS_SSL_CA_CERTS', None)
-                
+
+                connection_kwargs['select'] = os.getenv('REDIS_SELECT', 0)
+                if connection_kwargs['select'] is not None:
+                    connection_kwargs['select'] = int(connection_kwargs['select'])
+                else:
+                    connection_kwargs['select'] = 0
+                logger.info(f"使用 Redis 数据库: {connection_kwargs['select']}")
                 # 设置SSL参数
                 connection_kwargs['ssl_cert_reqs'] = ssl_cert_reqs
                 if ssl_ca_certs:
diff --git a/trading_system/config.py b/trading_system/config.py
index 5817f7a..fd925c4 100644
--- a/trading_system/config.py
+++ b/trading_system/config.py
@@ -269,7 +269,7 @@ for key, value in defaults.items():
 def reload_config():
     """重新加载配置（供外部调用）"""
     global TRADING_CONFIG, BINANCE_API_KEY, BINANCE_API_SECRET, USE_TESTNET, _config_manager, USE_DB_CONFIG
-    global REDIS_URL, REDIS_USE_TLS, REDIS_SSL_CERT_REQS, REDIS_SSL_CA_CERTS, REDIS_USERNAME, REDIS_PASSWORD
+    global REDIS_URL, REDIS_USE_TLS, REDIS_SSL_CERT_REQS, REDIS_SSL_CA_CERTS, REDIS_USERNAME, REDIS_PASSWORD, REDIS_SELECT
     
     # 如果配置管理器不存在，尝试初始化
     if _config_manager is None:
@@ -305,6 +305,7 @@ def reload_config():
     REDIS_SSL_CA_CERTS = _get_config_value('REDIS_SSL_CA_CERTS', REDIS_SSL_CA_CERTS)
     REDIS_USERNAME = _get_config_value('REDIS_USERNAME', os.getenv('REDIS_USERNAME', REDIS_USERNAME))
     REDIS_PASSWORD = _get_config_value('REDIS_PASSWORD', os.getenv('REDIS_PASSWORD', REDIS_PASSWORD))
+    REDIS_SELECT = _get_config_value('REDIS_SELECT', os.getenv('REDIS_SELECT', REDIS_SELECT))
     # 确保默认值
     for key, value in defaults.items():
         if key not in TRADING_CONFIG:
@@ -321,6 +322,7 @@ REDIS_SSL_CERT_REQS = _get_config_value('REDIS_SSL_CERT_REQS', 'required')
 REDIS_SSL_CA_CERTS = _get_config_value('REDIS_SSL_CA_CERTS', None)
 REDIS_USERNAME = _get_config_value('REDIS_USERNAME', os.getenv('REDIS_USERNAME', None))
 REDIS_PASSWORD = _get_config_value('REDIS_PASSWORD', os.getenv('REDIS_PASSWORD', None))
+REDIS_SELECT = _get_config_value('REDIS_SELECT', os.getenv('REDIS_SELECT', 0))
 
 # 日志配置
 LOG_LEVEL = os.getenv('LOG_LEVEL', 'INFO')