diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..4b5a294
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,4 @@
+{
+    "python-envs.defaultEnvManager": "ms-python.python:conda",
+    "python-envs.defaultPackageManager": "ms-python.python:conda"
+}
\ No newline at end of file
diff --git a/model/class_model.py b/model/class_model.py
index 9b942b0..07039a6 100644
--- a/model/class_model.py
+++ b/model/class_model.py
@@ -8,12 +8,12 @@ class Class(Base):
 
     __tablename__ = "wl_class"
 
-    id = Column(Integer, primary_key=True, autoincrement=True)
-    class_number = Column(String(50))
-    name = Column(String(100))
-    start_date = Column(DateTime)
-    planned_end_date = Column(DateTime)
-    actual_end_date = Column(DateTime)
-    created_at = Column(DateTime)
-    updated_at = Column(DateTime)
-    is_deleted = Column(default=False, nullable=False)
+    id = Column(Integer, primary_key=True, autoincrement=True, comment="id")
+    class_number = Column(String(50), comment="班级编号")
+    name = Column(String(100), comment="班级名字")
+    start_date = Column(DateTime, comment="开班时间")
+    planned_end_date = Column(DateTime, comment="计划结课时间")
+    actual_end_date = Column(DateTime, comment="实际结课时间")
+    created_at = Column(DateTime, comment="数据创建时间")
+    updated_at = Column(DateTime, comment="数据更新时间")
+    is_deleted = Column(default=False, nullable=False, comment="逻辑删除字段")
diff --git a/model/code_value_model.py b/model/code_value_model.py
index ff79bb7..8e67aa5 100644
--- a/model/code_value_model.py
+++ b/model/code_value_model.py
@@ -8,11 +8,11 @@ class CodeValue(Base):
 
     __tablename__ = "wl_code_value"
 
-    id = Column(Integer, primary_key=True, autoincrement=True)
-    code = Column(String(50))
-    meaning = Column(String(200))
-    type = Column(String(100))
-    is_enabled = Column(Boolean)
-    created_at = Column(DateTime)
-    updated_at = Column(DateTime)
-    is_deleted = Column(default=False, nullable=False)
+    id = Column(Integer, primary_key=True, autoincrement=True, comment="id")
+    code = Column(String(50), comment="编码")
+    meaning = Column(String(200), comment="意义")
+    type = Column(String(100), comment="类型")
+    is_enabled = Column(Boolean, comment="状态（是否可用）")
+    created_at = Column(DateTime, comment="数据创建时间")
+    updated_at = Column(DateTime, comment="数据更新时间")
+    is_deleted = Column(default=False, nullable=False, comment="逻辑删除字段")
diff --git a/model/company_model.py b/model/company_model.py
index 0fce4fc..35fb880 100644
--- a/model/company_model.py
+++ b/model/company_model.py
@@ -8,13 +8,13 @@ class Company(Base):
 
     __tablename__ = "wl_company"
 
-    id = Column(Integer, primary_key=True, autoincrement=True)
-    company_number = Column(String(50))
-    name = Column(String(200))
-    industry = Column(String(100))
-    employee_scale = Column(String(50))
-    main_business = Column(String(1000))
-    registered_capital = Column(Numeric(16, 2))
-    created_at = Column(DateTime)
-    updated_at = Column(DateTime)
-    is_deleted = Column(default=False, nullable=False)
+    id = Column(Integer, primary_key=True, autoincrement=True, comment="id")
+    company_number = Column(String(50), comment="企业编号")
+    name = Column(String(200), comment="企业名称")
+    industry = Column(String(100), comment="所属行业")
+    employee_scale = Column(String(50), comment="人员规模")
+    main_business = Column(String(1000), comment="主营业务")
+    registered_capital = Column(Numeric(16, 2), comment="注册资金")
+    created_at = Column(DateTime, comment="数据创建时间")
+    updated_at = Column(DateTime, comment="数据更新时间")
+    is_deleted = Column(default=False, nullable=False, comment="逻辑删除字段")
diff --git a/model/course_model.py b/model/course_model.py
index ae938c6..a1fc42a 100644
--- a/model/course_model.py
+++ b/model/course_model.py
@@ -8,10 +8,10 @@ class Course(Base):
 
     __tablename__ = "wl_course"
 
-    id = Column(Integer, primary_key=True, autoincrement=True)
-    course_number = Column(String(50))
-    name = Column(String(100))
-    planned_training_hours = Column(Numeric(8, 2))
-    created_at = Column(DateTime)
-    updated_at = Column(DateTime)
-    is_deleted = Column(default=False, nullable=False)
+    id = Column(Integer, primary_key=True, autoincrement=True, comment="id")
+    course_number = Column(String(50), comment="课程编号")
+    name = Column(String(100), comment="课程名字")
+    planned_training_hours = Column(Numeric(8, 2), comment="计划培训课时")
+    created_at = Column(DateTime, comment="数据创建时间")
+    updated_at = Column(DateTime, comment="数据更新时间")
+    is_deleted = Column(default=False, nullable=False, comment="逻辑删除字段")
diff --git a/model/employee_model.py b/model/employee_model.py
index b8a14b7..327448b 100644
--- a/model/employee_model.py
+++ b/model/employee_model.py
@@ -8,16 +8,16 @@ class Employee(Base):
 
     __tablename__ = "wl_employee"
 
-    id = Column(Integer, primary_key=True, autoincrement=True)
-    employee_number = Column(String(50))
-    name = Column(String(100))
-    gender = Column(String(20))
-    birth_date = Column(Date)
-    id_card_number = Column(String(18))
-    hometown = Column(String(100))
-    salary = Column(Numeric(12, 2))
-    position_type = Column(String(50))
-    position_level = Column(String(50))
-    created_at = Column(DateTime)
-    updated_at = Column(DateTime)
-    is_deleted = Column(default=False, nullable=False)
+    id = Column(Integer, primary_key=True, autoincrement=True, comment="id")
+    employee_number = Column(String(50), comment="工号")
+    name = Column(String(100), comment="姓名")
+    gender = Column(String(20), comment="性别")
+    birth_date = Column(Date, comment="生日")
+    id_card_number = Column(String(18), comment="身份证号")
+    hometown = Column(String(100), comment="籍贯")
+    salary = Column(Numeric(12, 2), comment="薪资")
+    position_type = Column(String(50), comment="岗位类型")
+    position_level = Column(String(50), comment="岗位级别")
+    created_at = Column(DateTime, comment="数据创建时间")
+    updated_at = Column(DateTime, comment="数据更新时间")
+    is_deleted = Column(default=False, nullable=False, comment="逻辑删除字段")
diff --git a/model/employment_info_model.py b/model/employment_info_model.py
index 107a212..562d491 100644
--- a/model/employment_info_model.py
+++ b/model/employment_info_model.py
@@ -8,12 +8,12 @@ class EmploymentInfo(Base):
 
     __tablename__ = "wl_employment_info"
 
-    id = Column(Integer, primary_key=True, autoincrement=True)
-    student_id = Column(Integer)
-    employment_salary = Column(Numeric(12, 2))
-    company_number = Column(String(50))
-    resume_opened_at = Column(DateTime)
-    offer_received_at = Column(DateTime)
-    created_at = Column(DateTime)
-    updated_at = Column(DateTime)
-    is_deleted = Column(default=False, nullable=False)
+    id = Column(Integer, primary_key=True, autoincrement=True, comment="id")
+    student_id = Column(Integer, comment="学生id")
+    employment_salary = Column(Numeric(12, 2), comment="就业薪资")
+    company_number = Column(String(50), comment="就业的企业编号")
+    resume_opened_at = Column(DateTime, comment="简历开放时间")
+    offer_received_at = Column(DateTime, comment="拿到offer时间")
+    created_at = Column(DateTime, comment="数据创建时间")
+    updated_at = Column(DateTime, comment="数据更新时间")
+    is_deleted = Column(default=False, nullable=False, comment="逻辑删除字段")
diff --git a/model/grade_model.py b/model/grade_model.py
index 0b4599e..709b28d 100644
--- a/model/grade_model.py
+++ b/model/grade_model.py
@@ -8,11 +8,11 @@ class Grade(Base):
 
     __tablename__ = "wl_grade"
 
-    id = Column(Integer, primary_key=True, autoincrement=True)
-    student_number = Column(String(50))
-    course_number = Column(String(50))
-    exam_sequence = Column(Integer)
-    score = Column(Numeric(5, 2))
-    created_at = Column(DateTime)
-    updated_at = Column(DateTime)
-    is_deleted = Column(default=False, nullable=False)
+    id = Column(Integer, primary_key=True, autoincrement=True, comment="id")
+    student_number = Column(String(50), comment="学生编号")
+    course_number = Column(String(50), comment="课程编号")
+    exam_sequence = Column(Integer, comment="考试序次")
+    score = Column(Numeric(5, 2), comment="分数")
+    created_at = Column(DateTime, comment="数据创建时间")
+    updated_at = Column(DateTime, comment="数据更新时间")
+    is_deleted = Column(default=False, nullable=False, comment="逻辑删除字段")
diff --git a/model/interview_model.py b/model/interview_model.py
index ef95f07..5a210d9 100644
--- a/model/interview_model.py
+++ b/model/interview_model.py
@@ -8,13 +8,13 @@ class Interview(Base):
 
     __tablename__ = "wl_interview"
 
-    id = Column(Integer, primary_key=True, autoincrement=True)
-    interview_at = Column(DateTime)
-    student_id = Column(Integer)
-    room = Column(String(100))
-    sequence = Column(Integer)
-    company_id = Column(Integer)
-    result = Column(Boolean)
-    created_at = Column(DateTime)
-    updated_at = Column(DateTime)
-    is_deleted = Column(default=False, nullable=False)
+    id = Column(Integer, primary_key=True, autoincrement=True, comment="面试id")
+    interview_at = Column(DateTime, comment="面试时间")
+    student_id = Column(Integer, comment="学生id")
+    room = Column(String(100), comment="面试间")
+    sequence = Column(Integer, comment="面试序次")
+    company_id = Column(Integer, comment="面试的企业id")
+    result = Column(Boolean, comment="面试结果")
+    created_at = Column(DateTime, comment="数据创建时间")
+    updated_at = Column(DateTime, comment="数据更新时间")
+    is_deleted = Column(default=False, nullable=False, comment="逻辑删除字段")
diff --git a/model/relation_model.py b/model/relation_model.py
index 55d9844..51e214d 100644
--- a/model/relation_model.py
+++ b/model/relation_model.py
@@ -10,10 +10,10 @@ class Relation(Base):
 
     __tablename__ = "wl_relation"
 
-    id = Column(Integer, primary_key=True, autoincrement=True)
-    source_id = Column(String(50))
-    destination_id = Column(Integer)
-    relation_type = Column(String(50))
-    created_at = Column(DateTime)
-    updated_at = Column(DateTime)
-    is_deleted = Column(default=False, nullable=False)
+    id = Column(Integer, primary_key=True, autoincrement=True, comment="id")
+    source_id = Column(String(50), comment="关系来源标识")
+    destination_id = Column(Integer, comment="关系目标标识")
+    relation_type = Column(String(50), comment="关系类型")
+    created_at = Column(DateTime, comment="数据创建时间")
+    updated_at = Column(DateTime, comment="数据更新时间")
+    is_deleted = Column(default=False, nullable=False, comment="逻辑删除字段")
diff --git a/model/student_model.py b/model/student_model.py
index c33568c..afc2c82 100644
--- a/model/student_model.py
+++ b/model/student_model.py
@@ -8,24 +8,24 @@ class Student(Base):
 
     __tablename__ = "wl_student"
 
-    id = Column(Integer, primary_key=True, autoincrement=True)
-    student_number = Column(String(50), nullable=False)
-    name = Column(String(100))
-    gender = Column(String(20))
-    birth_date = Column(Date)
-    id_card_number = Column(String(18))
-    phone_number = Column(String(30))
-    hometown = Column(String(100))
-    graduate_school = Column(String(200))
-    education = Column(String(50))
-    hobbies = Column(String(500))
-    trial_date = Column(Date)
-    expected_salary = Column(Numeric(12, 2))
-    consultant_id = Column(Integer)
-    class_id = Column(Integer)
-    payment_method = Column(String(20))
-    emergency_contact = Column(String(100))
-    remark = Column(String(1000))
-    created_at = Column(DateTime)
-    updated_at = Column(DateTime)
-    is_deleted = Column(default=False, nullable=False)
+    id = Column(Integer, primary_key=True, autoincrement=True, comment="id（逻辑主键）")
+    student_number = Column(String(50), nullable=False, comment="学号（业务主键）")
+    name = Column(String(100), comment="姓名")
+    gender = Column(String(20), comment="性别")
+    birth_date = Column(Date, comment="出生年月")
+    id_card_number = Column(String(18), comment="身份证号")
+    phone_number = Column(String(30), comment="电话号码")
+    hometown = Column(String(100), comment="籍贯")
+    graduate_school = Column(String(200), comment="毕业学校")
+    education = Column(String(50), comment="学历")
+    hobbies = Column(String(500), comment="兴趣爱好")
+    trial_date = Column(Date, comment="试听日期")
+    expected_salary = Column(Numeric(12, 2), comment="就业期望薪资")
+    consultant_id = Column(Integer, comment="顾问id")
+    class_id = Column(Integer, comment="班级id")
+    payment_method = Column(String(20), comment="支付方式")
+    emergency_contact = Column(String(100), comment="紧急联系人")
+    remark = Column(String(1000), comment="备注")
+    created_at = Column(DateTime, comment="数据创建时间")
+    updated_at = Column(DateTime, comment="数据更新时间")
+    is_deleted = Column(default=False, nullable=False, comment="逻辑删除字段")
diff --git a/沃林数智学生管理系统数据库表的设计.xlsx b/沃林数智学生管理系统数据库表的设计.xlsx
new file mode 100644
index 0000000..ef7a2da
Binary files /dev/null and b/沃林数智学生管理系统数据库表的设计.xlsx differ