diff --git a/ai_chat.db b/ai_chat.db
index 87706e5..365bcc4 100644
Binary files a/ai_chat.db and b/ai_chat.db differ
diff --git a/services/matrix_service.py b/services/matrix_service.py
index 3d01fb5..fc13df9 100644
--- a/services/matrix_service.py
+++ b/services/matrix_service.py
@@ -94,9 +94,12 @@ class MatrixBot:
         """运行 sync_forever，自动处理所有事件"""
         try:
             logger.info("开始 Matrix sync_forever...")
-            await self.client.sync_forever(timeout=30000, full_state=True)
+            # 不使用 full_state，只做增量同步
+            await self.client.sync_forever(timeout=30000)
         except Exception as e:
             logger.error(f"sync_forever 错误: {e}")
+            import traceback
+            logger.error(traceback.format_exc())
             self.is_running = False
     
     async def _handle_encrypted_message(self, room, event):