diff --git a/Merge/back_trm/app/models/logs.py b/Merge/back_trm/app/models/logs.py
new file mode 100644
index 0000000..ac8cf1c
--- /dev/null
+++ b/Merge/back_trm/app/models/logs.py
@@ -0,0 +1,19 @@
+from sqlalchemy import Column, BigInteger, Integer, Enum, Text, String, TIMESTAMP, ForeignKey, Index
+from sqlalchemy.sql import func
+from . import Base  # adjust if Base lives elsewhere
+
+class Log(Base):
+    __tablename__ = 'logs'
+    __table_args__ = (
+        Index('user_id', 'user_id'),
+        Index('idx_logs_created', 'created_at'),
+    )
+
+    id = Column(BigInteger, primary_key=True, autoincrement=True, comment='日志ID')
+    user_id = Column(Integer, ForeignKey('users.id', ondelete='SET NULL'), comment='用户ID')
+    type = Column(Enum('access', 'error', 'behavior', 'system',
+                       name='logs_type_enum'), nullable=False, comment='日志类型')
+    content = Column(Text, nullable=False, comment='日志内容')
+    ip = Column(String(45), nullable=True, comment='IP地址')
+    created_at = Column(TIMESTAMP, server_default=func.current_timestamp(),
+                        nullable=True, comment='记录时间')