去掉redis

启动时只检查数据库连接不更新表结构

main.py

@@ -1,10 +1,10 @@
 from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
 from contextlib import asynccontextmanager
+from sqlalchemy import text
 
 from app.config import settings
-from app.database import init_db
-from app.redis_lock import redis_manager
+from app.database import engine
 from app.routes import router
 from app.logger import get_logger, LoggerManager
 
@@ -20,15 +20,20 @@ async def lifespan(app: FastAPI):
     logger.info("🚀 应用启动中...")
 
     try:
-        # 初始化数据库
-        logger.info("📊 初始化数据库连接...")
-        await init_db()
-        logger.info("✅ 数据库连接成功")
-
-        # 初始化Redis
-        logger.info("🔴 初始化Redis连接...")
-        await redis_manager.connect()
-        logger.info("✅ Redis连接成功")
+        # 验证数据库连接
+        logger.info("📊 验证数据库连接...")
+        try:
+            async with engine.begin() as conn:
+                # 执行简单的查询来验证连接
+                result = await conn.execute(text("SELECT 1"))
+                connection_test = result.scalar()
+                if connection_test == 1:
+                    logger.info("✅ 数据库连接验证成功")
+                else:
+                    raise Exception("数据库连接测试失败")
+        except Exception as db_error:
+            logger.error(f"❌ 数据库连接验证失败: {db_error}")
+            raise
 
         logger.info(f"🎉 {settings.app_name} 启动完成!")
         yield
@@ -40,12 +45,6 @@ async def lifespan(app: FastAPI):
     finally:
         # 关闭时清理
         logger.info("🛑 应用关闭中...")
-        try:
-            await redis_manager.disconnect()
-            logger.info("✅ Redis连接已关闭")
-        except Exception as e:
-            logger.error(f"❌ Redis关闭时出错: {e}")
-
         logger.info("👋 应用已关闭")