a

backend/api/main.py

@@ -5,7 +5,9 @@ from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
 from api.routes import config, trades, stats, dashboard, account
 import os
+import logging
 from pathlib import Path
+from logging.handlers import RotatingFileHandler
 
 # 加载.env文件
 try:
@@ -24,6 +26,70 @@ except ImportError:
 except Exception:
     pass
 
+# 配置日志
+def setup_logging():
+    """配置日志系统"""
+    # 获取日志级别
+    log_level = os.getenv('LOG_LEVEL', 'INFO').upper()
+    log_level_map = {
+        'DEBUG': logging.DEBUG,
+        'INFO': logging.INFO,
+        'WARNING': logging.WARNING,
+        'ERROR': logging.ERROR,
+        'CRITICAL': logging.CRITICAL
+    }
+    level = log_level_map.get(log_level, logging.INFO)
+    
+    # 创建日志目录
+    backend_dir = Path(__file__).parent.parent
+    log_dir = backend_dir / 'logs'
+    log_dir.mkdir(exist_ok=True)
+    
+    # 日志文件路径
+    log_file = log_dir / 'api.log'
+    
+    # 配置根日志记录器
+    root_logger = logging.getLogger()
+    root_logger.setLevel(level)
+    
+    # 清除现有的处理器
+    root_logger.handlers.clear()
+    
+    # 创建格式器
+    formatter = logging.Formatter(
+        '%(asctime)s - %(name)s - %(levelname)s - %(message)s',
+        datefmt='%Y-%m-%d %H:%M:%S'
+    )
+    
+    # 文件处理器（带轮转）
+    file_handler = RotatingFileHandler(
+        log_file,
+        maxBytes=10 * 1024 * 1024,  # 10MB
+        backupCount=5,
+        encoding='utf-8'
+    )
+    file_handler.setLevel(level)
+    file_handler.setFormatter(formatter)
+    root_logger.addHandler(file_handler)
+    
+    # 控制台处理器
+    console_handler = logging.StreamHandler()
+    console_handler.setLevel(level)
+    console_handler.setFormatter(formatter)
+    root_logger.addHandler(console_handler)
+    
+    # 设置第三方库的日志级别
+    logging.getLogger('uvicorn').setLevel(logging.WARNING)
+    logging.getLogger('uvicorn.access').setLevel(logging.WARNING)
+    
+    return log_file
+
+# 初始化日志
+log_file = setup_logging()
+logger = logging.getLogger(__name__)
+logger.info(f"日志系统已初始化，日志文件: {log_file}")
+logger.info(f"日志级别: {os.getenv('LOG_LEVEL', 'INFO')}")
+
 app = FastAPI(
     title="Auto Trade System API",
     version="1.0.0",

backend/start.sh

@@ -25,8 +25,14 @@ export CORS_ORIGINS=${CORS_ORIGINS:-http://localhost:3000,http://localhost:5173}
 # 创建日志目录
 mkdir -p logs
 
+# 设置日志级别（如果未设置）
+export LOG_LEVEL=${LOG_LEVEL:-INFO}
+
 # 启动服务（后台运行）
-nohup uvicorn api.main:app --host 0.0.0.0 --port 8001 > logs/api.log 2>&1 &
+# 注意：Python日志会输出到 logs/api.log，uvicorn的访问日志也会输出到同一个文件
+nohup uvicorn api.main:app --host 0.0.0.0 --port 8001 --log-level info > logs/uvicorn.log 2>&1 &
 
 echo "后端服务已启动，PID: $!"
-echo "日志文件: logs/api.log"
+echo "Python日志文件: logs/api.log"
+echo "Uvicorn日志文件: logs/uvicorn.log"
+echo "查看日志: tail -f logs/api.log"