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您好, Is auto-refresh disabled during your testing? If it is not then it will cause the same behavior as you have shown in the screenshots since it is constantly using MAC commands to pull data the gauge will return the last MAC command data from the auto-refresh.
您好，The 0x23 at the end of the read command is the checksum of the data that has been read. This is normal for it to be different based on the data that it is reading.
请问最后的数据是什么，发送不同的命令有不同的值
