diff --git a/models/teacher.py b/models/teacher.py
index e69de29..fe6ff57 100644
--- a/models/teacher.py
+++ b/models/teacher.py
@@ -0,0 +1,109 @@
+from sqlalchemy import (Column, Integer, String, Text,
+                        BigInteger,ForeignKey,VARCHAR,DateTime
+                        )
+from sqlalchemy.dialects.mssql import TINYINT
+
+from core.database import Base
+from datetime import datetime
+
+
+# teachers 老师表 ORM 模型
+#字段包括id,teacher_no,teacher_name,phone,email,remark,created_at,updated_at,is_deleted
+class Teacher(Base):
+    __tablename__ = 'teachers_info_detail'
+    id = Column(
+         Integer
+        , primary_key=True
+        ,autoincrement=True
+        ,comment='老师主键')
+    teacher_no = Column(
+        VARCHAR(50)
+        ,nullable=False
+        ,unique=True
+        ,comment='老师编号'
+    )
+    teacher_name = Column(
+        VARCHAR(50)
+        ,nullable=False
+        ,comment='老师名字'
+    )
+    phone = Column(
+        VARCHAR(20)
+        ,nullable=True
+        ,comment='老师电话'
+    )
+    email = Column(
+        VARCHAR(100)
+        ,nullable=True
+        ,comment='邮箱'
+    )
+    remark = Column(
+        VARCHAR(2550)
+        ,nullable=True
+        ,comment='备注'
+    )
+    created_at = Column(
+        DateTime
+        ,nullable=False
+        ,default=datetime.now
+        ,comment='创建时间'
+    )
+    updated_at = Column(
+        DateTime
+        ,nullable=False
+        ,default=datetime.now
+        ,comment='更新时间'
+    )
+    is_deleted = Column(
+        TINYINT
+        ,nullable=False
+        ,default=0
+        ,comment='逻辑删除'
+    )
+
+
+#班级老师关系表 class_teachers_info_detail 中间表 ORM 模型完整定义
+#字段包括id,class_id,teacher_id,role,created_at,updated_at,is_deleted
+class ClassTeachers(Base):
+    __tablename__ = "class_teachers_info_detail"
+    id = Column(
+         BigInteger
+        ,primary_key=True
+        ,autoincrement=True
+        ,comment='关系')
+    class_id = Column(
+         BigInteger
+        ,ForeignKey('class_id')
+        ,nullable=False
+        ,comment='关联 class_id'
+    )
+    teacher_id = Column(
+         BigInteger
+        ,ForeignKey('teacher_id')
+        ,nullable=False
+        ,comment='关联 teacher_id'
+    )
+    role = Column(
+         VARCHAR(30)
+        ,nullable=False
+        ,comment='老师在班级中的角色：head_teacher班主任 / lecturer授课老师 / assistant助教'
+    )
+    created_at = Column(
+         DateTime
+        ,nullable=False
+        ,default=datetime.now()
+        ,comment='创建时间'
+    )
+    updated_at = Column(
+         DateTime
+        ,nullable=False
+        ,default=datetime.now()
+        ,comment='更新时间'
+    )
+    is_deleted = Column(
+        TINYINT
+        ,nullable=False
+        ,default=0
+        ,comment='逻辑删除'
+    )
+
diff --git a/schemas/teacher.py b/schemas/teacher.py
index e69de29..93cb1fb 100644
--- a/schemas/teacher.py
+++ b/schemas/teacher.py
@@ -0,0 +1,19 @@
+from pydantic import BaseModel
+from typing import Optional
+from datetime import datetime
+#===============老师表===================
+#===============请求体模型================
+class TeacherCreate(BaseModel):
+    teacher_no: Optional[str] = None
+    teacher_name: Optional[str] = None
+    email: Optional[str] = None
+    phone: Optional[str] = None
+    remark: Optional[str] = None
+
+class TeacherUpdate(BaseModel):
+    teacher_no: Optional[str] = None
+    teacher_name: Optional[str] = None
+    email: Optional[str] = None
+    phone: Optional[str] = None
+    remark: Optional[str] = None
+