diff --git a/PythonProject/model/grade_model.py b/PythonProject/model/grade_model.py
new file mode 100644
index 0000000..6fb849a
--- /dev/null
+++ b/PythonProject/model/grade_model.py
@@ -0,0 +1,35 @@
+from sqlalchemy import Column, BigInteger, Integer, String, Numeric, TinyInteger, DateTime
+from sqlalchemy.orm import declarative_base
+from datetime import datetime
+from util.database import Base,engine
+# 成绩、删除状态(0：已删除,1：初始值)、作成时间、更新时间
+class WlScore(Base):
+    __tablename__ = 'Assessment grade'
+    stu_id = Column( Integer
+                    ,primary_key=True
+                    ,autoincrement=True
+                    ,comment='学生编号，自增主键')
+    exam_order = Column(Integer
+                        , nullable=False
+                        , comment="考核序次")
+
+    score=Column(Numeric(5, 2)
+                 , comment="成绩")
+
+    del_flag = Column(Integer
+                      , nullable=False
+                      , default=1
+                      , comment="删除状态(0：已删除，1：初始值)")
+
+    create_time = Column(DateTime
+                         , nullable=False
+                         , default=datetime.now
+                         , comment="作成时间")
+
+    update_time = Column(DateTime
+                         , nullable=False
+                         , default=datetime.now
+                         , onupdate=datetime.now
+                         , comment="更新时间")
+Base.metadata.create_all(engine)
+