diff --git a/src/chat/message_receive/storage.py b/src/chat/message_receive/storage.py
index 21937f36c..5ace4a1d4 100644
--- a/src/chat/message_receive/storage.py
+++ b/src/chat/message_receive/storage.py
@@ -613,22 +613,46 @@ class MessageStorage:
 
         try:
             async with get_db_session() as session:
-                # 构建批量更新映射，提高数据库批量操作效率
-                mappings: list[dict[str, Any]] = []
-                for message_id, interest_value in interest_map.items():
-                    mapping = {"message_id": message_id, "interest_value": interest_value}
-                    if reply_map and message_id in reply_map:
-                        mapping["should_reply"] = reply_map[message_id]
-                    mappings.append(mapping)
+                # 注意：SQLAlchemy 2.0 对 ORM update + executemany 会走
+                # “Bulk UPDATE by Primary Key” 路径，要求每行参数包含主键(Messages.id)。
+                # 这里我们按 message_id 更新，因此使用 Core Table + bindparam。
+                from sqlalchemy import bindparam, update
 
-                # 使用 bulk 操作替代逐条 UPDATE，大幅减少数据库往返
-                if mappings:
-                    await session.execute(
-                        update(Messages),
-                        mappings,
+                messages_table = Messages.__table__
+
+                interest_mappings: list[dict[str, Any]] = [
+                    {"b_message_id": message_id, "b_interest_value": interest_value}
+                    for message_id, interest_value in interest_map.items()
+                ]
+
+                if interest_mappings:
+                    stmt_interest = (
+                        update(messages_table)
+                        .where(messages_table.c.message_id == bindparam("b_message_id"))
+                        .values(interest_value=bindparam("b_interest_value"))
                     )
-                    await session.commit()
-                    logger.debug(f"批量更新兴趣度 {len(interest_map)} 条记录")
+                    await session.execute(stmt_interest, interest_mappings)
+
+                if reply_map:
+                    reply_mappings: list[dict[str, Any]] = [
+                        {"b_message_id": message_id, "b_should_reply": should_reply}
+                        for message_id, should_reply in reply_map.items()
+                        if message_id in interest_map
+                    ]
+                    if reply_mappings and len(reply_mappings) != len(reply_map):
+                        logger.debug(
+                            f"批量更新 should_reply 过滤了 {len(reply_map) - len(reply_mappings)} 条不在兴趣度更新集合中的记录"
+                        )
+                    if reply_mappings:
+                        stmt_reply = (
+                            update(messages_table)
+                            .where(messages_table.c.message_id == bindparam("b_message_id"))
+                            .values(should_reply=bindparam("b_should_reply"))
+                        )
+                        await session.execute(stmt_reply, reply_mappings)
+
+                await session.commit()
+                logger.debug(f"批量更新兴趣度 {len(interest_map)} 条记录")
         except Exception as e:
             logger.error(f"批量更新消息兴趣度失败: {e}")
             raise