diff --git a/models/employment.py b/models/employment.py
index 086ff92..69e2706 100644
--- a/models/employment.py
+++ b/models/employment.py
@@ -3,10 +3,6 @@ from sqlalchemy.orm import declarative_base,sessionmaker
 from datetime import datetime
 from core.database import Base, engine
 
-db_url = "mysql+pymysql://root:123456@127.0.0.1:3306/student_manager?charset=utf8mb4"
-engine = create_engine(db_url)                               # 连接地址
-Base = declarative_base()                                    # 执行函数，返回一个基类
-
 # 为了符合三范式，就业表只保存 student_id，不保存学生姓名和班级名称。查询返回时通过关联 students 和 classes 带出学生姓名、班级名称。
 
 class Employment(Base):
@@ -42,5 +38,3 @@ class Employment(Base):
                         ,default=0
                         ,comment="逻辑删除：0正常，1删除")
 
-Base.metadata.create_all(engine)
-print("建表完成：employments")
\ No newline at end of file