fix:解决数据库断线的问题

config/database.py

@@ -6,7 +6,7 @@ from config.setting import settings
 
 DATABASE_URL = f"mysql+pymysql://{settings.DB_USER}:{settings.DB_PASSWORD}@{settings.DB_HOST}:{settings.DB_PORT}/{settings.DB_NAME}"
 
-engine = create_engine(url=DATABASE_URL)
+engine = create_engine(url=DATABASE_URL, pool_pre_ping=True, pool_recycle=3600)
 
 # 会话工厂
 SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)