Changes

<big>'''After burning the Android system, the TF card can only see a 128 MB partition in Windows, and the displayed partition is as shown in the figure below (some computers may pop up more than 20 disk partitions, but only the 128 MB partition can be opened. partition), please note that this is normal, please do not think that the TF card is burned out. The reason for this is that the Android system has a total of more than 20 partitions, but most of them cannot be recognized normally in the Windows system. At this point, please safely unplug the TF card and insert it into the development board to start it.'''</big>

<big>'''After the Android system starts, use the following command to see the twenty or so partitions in the TF card:'''</big>

<big>'''Use the df -h command to see that the 16GB TF card has about 11 GB of space available after burning the Android system (more than 20 partitions will not be mounted to the Android system, focus on these to the partition).'''</big>

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