升级方法：
1.按住设备上的B键，同时使用 USB 线缆将 AirGo 140 连接至电脑。此时屏幕将显示 "DFU MODE"，表示已进入 DFU 模式，电脑将识别出一个名为 "AG140_DFU" 的可移动磁盘。
2.将已下载的 .hex 固件文件拷贝至该磁盘的根目录下。拷贝完成后，按下设备上的 B 键开始更新。更新完成后，重新上电即可正常使用。

Update Instructions:
1.Press and hold the B button on the device, and connect the AirGo 140 to a computer using a USB cable. The screen will display "DFU MODE", indicating that it has entered DFU mode. The computer will recognize a removable disk named "AG140_DFU".
2.Copy the downloaded .hex firmware file to the root directory of the disk. After copying is complete, press the B button on the device to start the update. Once the update is complete, power the device back on and it is ready for normal use.

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v1.3	0924
-修复110V供电下部分充电头兼容性问题
-修复三档啸叫问题
-修复部分电机可能存在的启动超时问题
-增加冷风模式休眠记忆功能
-新增左右手模式设置项
-修复DC供电使用APP启动加热提示电压过低的问题

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v1.3	0924
-Fixed compatibility issues with some chargers under 110V power supply.
-Fixed the whining noise issue at level 3.
-Fixed a potential motor startup timeout issue on some motors.
-Added a sleep memory function for Cool mode.
-Added a Left/Right Hand mode setting.
-Fixed the issue where a low voltage warning appeared when starting heating via the APP under DC power supply.