diff --git a/backend/device_manager.py b/backend/device_manager.py
index 3d40e35d..35739779 100644
--- a/backend/device_manager.py
+++ b/backend/device_manager.py
@@ -1953,7 +1953,7 @@ class RealIMUDevice:
                     logger.debug(f'重置串口输入缓冲区失败: {e}')
             logger.info(f'IMU设备连接成功: {self.port} @ {self.baudrate}bps')
         except Exception as e:
-            logger.error(f'IMU设备连接失败: {e}', exc_info=True)
+            # logger.error(f'IMU设备连接失败: {e}', exc_info=True)
             self.ser = None
 
     def set_calibration(self, calibration: Dict[str, Any]):