diff --git a/PythonProject/model/class_model.py b/PythonProject/model/class_model.py
index 5ab4883..c028862 100644
--- a/PythonProject/model/class_model.py
+++ b/PythonProject/model/class_model.py
@@ -4,10 +4,6 @@ from sqlalchemy.orm import declarative_base
 from pydantic import BaseModel
 
 
-db_url = "mysql+pymysql://root:123456@127.0.0.1:3306/ai0824?charset=utf8mb4"
-engine = create_engine(db_url)
-
-Base = declarative_base()
 
 class ClassManagement(Base):
     __tablename__ = "wl_class"
@@ -33,6 +29,8 @@ class ClassManagement(Base):
     )
     delete_time = Column(DateTime, nullable=True, comment='删除时间')
 
+Base.metadata.create_all(engine)
+/
 app=FastAPI(title='学生管理系统班级管理')
 
 class ClassRequest(BaseModel):