feat:增加查询博客相邻记录功能

config/database.py

@@ -4,7 +4,7 @@ from sqlalchemy.orm import sessionmaker
 
 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}"
+DATABASE_URL = f"mysql+pymysql://root:{settings.DB_PASSWORD}@{settings.DB_HOST}:3306/blog"
 
 engine = create_engine(url=DATABASE_URL, pool_pre_ping=True, pool_recycle=3600)