diff --git a/Merge/back_wzy/models/user.py b/Merge/back_wzy/models/user.py
new file mode 100644
index 0000000..f27e7d3
--- /dev/null
+++ b/Merge/back_wzy/models/user.py
@@ -0,0 +1,68 @@
+# models/user.py
+
+from datetime import datetime
+from extensions import db
+
+# 关联表：用户关注关系
+follows = db.Table(
+    'follows',
+    db.Column('follower_id', db.Integer, db.ForeignKey('users.id', ondelete='CASCADE'), primary_key=True),
+    db.Column('followee_id', db.Integer, db.ForeignKey('users.id', ondelete='CASCADE'), primary_key=True),
+    db.Column('created_at', db.DateTime, default=datetime.utcnow, nullable=False)
+)
+
+class User(db.Model):
+    __tablename__ = 'users'
+
+    id = db.Column(db.Integer, primary_key=True)
+    username = db.Column(db.String(50), unique=True, nullable=False)
+    password = db.Column(db.String(255), nullable=False)
+    email = db.Column(db.String(100), unique=True, nullable=False)
+    avatar = db.Column(db.String(255))
+    role = db.Column(db.Enum('user', 'admin'), default='user', nullable=False)
+    bio = db.Column(db.String(255))
+    status = db.Column(db.Enum('active', 'banned', 'muted'), default='active', nullable=False)
+    created_at = db.Column(db.DateTime, default=datetime.utcnow, nullable=False)
+    updated_at = db.Column(
+        db.DateTime,
+        default=datetime.utcnow,
+        onupdate=datetime.utcnow,
+        nullable=False
+    )
+
+    # 用户发布的帖子
+    posts = db.relationship(
+        'Post',
+        backref='author',
+        lazy='dynamic',
+        cascade='all, delete-orphan'
+    )
+
+    # 用户的互动行为
+    behaviors = db.relationship(
+        'Behavior',
+        backref='user',
+        lazy='dynamic',
+        cascade='all, delete-orphan'
+    )
+
+    # 用户发表的评论
+    comments = db.relationship(
+        'Comment',
+        backref='user',
+        lazy='dynamic',
+        cascade='all, delete-orphan'
+    )
+
+    # 用户关注的对象列表
+    following = db.relationship(
+        'User',
+        secondary=follows,
+        primaryjoin=(id == follows.c.follower_id),
+        secondaryjoin=(id == follows.c.followee_id),
+        backref=db.backref('followers', lazy='dynamic'),
+        lazy='dynamic'
+    )
+
+    def __repr__(self):
+        return f"<User {self.username!r} id={self.id}>"