固件升级提醒：
1.解压文件，将NANOXX.IMG文件拷入ECHO NANO本机内存根目录，安全退出设备；
2.如机器有插TF卡，请先将TF卡取出，重启自动升级；
Firmware Upgrade Reminder:  
1. Unzip the file and copy the HIFIEC25.img file to the root directory of the ECHO MINI's internal memory. Safely eject the device and restart it to begin the automatic upgrade.  
2. If you encounter any issues, please feel free to contact us. 

----ECHO NANO V1.2.0-----
1.新增专辑排序下的CD号排序
2.修复在”我喜欢“里播放时不能记忆续播的问题
3.修复进入“艺术家/流派”分类会显示乱码的问题
4.其它系统优化
注：
专辑排序：排序逻辑顺序为CD号--音轨号--文件名
----ECHO NANO V1.2.0-----
1. Added CD number sorting under “Album Sorting”.
2. Fixed the issue where playback progress was not retained when playing in “My Favorites”.
3. Fixed the issue where garbled characters appeared when entering the “Artist/Genre” category.
4. Other system optimizations
Note:
Album Sorting: The sorting order is CD number -- Track number -- File name

