fix: 修复model异常

web/commons/models/cement.py

@@ -1,10 +1,11 @@
 from sqlalchemy import Column, Integer, String, Numeric, Date, UniqueConstraint, func
 
 from commons.models.mixin.calculator import CalculatorMixin
+from commons.models.model import Model
 from core.extensions import db
 
 
-class Cement(db.Model, CalculatorMixin):
+class Cement(db.Model, Model, CalculatorMixin):
     __tablename__ = 'CEMENT'
     id = Column('ID', Integer, primary_key=True)
     name = Column('NAME', String(128), default='', comment='名称')