diff --git a/ai_chat.db b/ai_chat.db
index 28aa0fe..4d26ed5 100644
Binary files a/ai_chat.db and b/ai_chat.db differ
diff --git a/matrix_store/@tester:matrix.tphai.com_BDTRXIGPBE.blacklisted_devices b/matrix_store/@tester:matrix.tphai.com_BDTRXIGPBE.blacklisted_devices
new file mode 100644
index 0000000..e69de29
diff --git a/matrix_store/@tester:matrix.tphai.com_BDTRXIGPBE.ignored_devices b/matrix_store/@tester:matrix.tphai.com_BDTRXIGPBE.ignored_devices
new file mode 100644
index 0000000..e69de29
diff --git a/matrix_store/@tester:matrix.tphai.com_BDTRXIGPBE.trusted_devices b/matrix_store/@tester:matrix.tphai.com_BDTRXIGPBE.trusted_devices
new file mode 100644
index 0000000..7c4b473
--- /dev/null
+++ b/matrix_store/@tester:matrix.tphai.com_BDTRXIGPBE.trusted_devices
@@ -0,0 +1,7 @@
+@tester:matrix.tphai.com AJFVRTHLJY matrix-ed25519 4mRjLhM8xbwjkwQP2T/iB3UZJoaADgP6cCVUiB8AtSk
+@tester:matrix.tphai.com GVSFGGYNJL matrix-ed25519 8qV2own4G3m2nki+izFDBOrAxtbGl8RoneM3qUPkThU
+@tester:matrix.tphai.com IMEQIQPXTR matrix-ed25519 6Yd4lmhP6jdkkNvh1rIw6TRK331ZUyiAt5G5hPeYqSE
+@tester:matrix.tphai.com MIPPYHRVAS matrix-ed25519 s8Ol56sxLCjCOi0Gkv/Kj7LqVMp/8ZmuAJ6QA1rUi7o
+@tester:matrix.tphai.com UKJGJYQQLT matrix-ed25519 opC9rhsz1nzrvQqNWMKTF5FxWIGuHTDfixx+q/Y8ea0
+@tester:matrix.tphai.com UPMZGRLESG matrix-ed25519 86c6XPCIYHgesq83C2k5xhXNa0EYMnqTq4jFrTwJX8I
+@huangzhuang_bro:matrix.tphai.com BQHGFLQEPR matrix-ed25519 IrEHmvqotfHKLyx1JRJp4RthUVyBT8qQX72qBifRRyQ
diff --git a/services/__pycache__/matrix_service.cpython-310.pyc b/services/__pycache__/matrix_service.cpython-310.pyc
index 6fe022c..9f15698 100644
Binary files a/services/__pycache__/matrix_service.cpython-310.pyc and b/services/__pycache__/matrix_service.cpython-310.pyc differ
diff --git a/services/matrix_service.py b/services/matrix_service.py
index 45e0121..2cb4143 100644
--- a/services/matrix_service.py
+++ b/services/matrix_service.py
@@ -26,6 +26,7 @@ class MatrixBot:
         self.is_running: bool = False
         self.on_message_callback: Optional[Callable] = None
         self.last_room_id: str = ""
+        self.processed_events: set = set()  # 已处理的事件ID，防止重复处理
     
     async def init_from_config(self):
         """从数据库配置初始化"""
@@ -171,6 +172,20 @@ class MatrixBot:
     
     async def _process_message(self, room, sender, message_text, event_id):
         """处理消息的核心逻辑"""
+        # 检查是否已处理过此事件（防止重复处理）
+        if event_id in self.processed_events:
+            logger.debug(f"忽略已处理的事件: {event_id}")
+            return
+        
+        # 标记为已处理
+        self.processed_events.add(event_id)
+        logger.info(f"处理消息: event_id={event_id}")
+        
+        # 限制集合大小，保留最近的100个
+        if len(self.processed_events) > 100:
+            # 清理旧的一半
+            self.processed_events = set(list(self.processed_events)[-50:])
+        
         # 忽略自己发送的消息
         if sender == self.user_id:
             logger.debug(f"忽略自己发送的消息: {sender}")