fix: 修复model异常

web/commons/models/steel_rebar.py

@@ -4,10 +4,11 @@ from sqlalchemy import Column, Integer, String, Numeric, Date, UniqueConstraint,
 
 from calculators import Helper
 from commons.models.mixin.steel import SteelMixin
+from commons.models.model import Model
 from core.extensions import db
 
 
-class SteelRebar(db.Model, SteelMixin):
+class SteelRebar(db.Model, Model, SteelMixin):
     __tablename__ = 'STEEL_REBAR'
     id = Column('ID', Integer, primary_key=True)
     name = Column('NAME', String(128), default='', comment='名称')