diff --git a/TRM/back/app/models/token.py b/TRM/back/app/models/token.py
new file mode 100644
index 0000000..cbe864b
--- /dev/null
+++ b/TRM/back/app/models/token.py
@@ -0,0 +1,27 @@
+from sqlalchemy import Column, Integer, String, DateTime, TIMESTAMP, Index
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.sql import func
+from datetime import datetime
+
+Base = declarative_base()
+
+class Token(Base):
+    __tablename__ = 'tokens'
+    
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    token = Column(String(255), nullable=False, unique=True)
+    expires_at = Column(DateTime, nullable=False)
+    created_at = Column(TIMESTAMP, default=func.current_timestamp())
+    updated_at = Column(TIMESTAMP, default=func.current_timestamp(), onupdate=func.current_timestamp())
+    
+    __table_args__ = (
+        Index('idx_token', 'token'),
+        Index('idx_expires_at', 'expires_at'),
+    )
+    
+    def __repr__(self):
+        return f"<Token(id={self.id}, token='{self.token[:10]}...', expires_at={self.expires_at})>"
+    
+    def is_expired(self):
+        """检查token是否已过期"""
+        return datetime.now() > self.expires_at
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