Method 1.
After confirming the serial port number (can be viewed in the device manager)
Open the SecureCRT software, select the serial port, set the appropriate baud rate (115200 I used), and then quickly connect,
The board is powered on, and it will prompt to press any key to interrupt when it starts , Press any key to interrupt (you don’t want to upload and restart at this step)
Enter the address 192.168.1.1 in the browser to enter, select the firmware compiled by yourself and upload it.
Method 2.
Requires BreedEnter software
start the BreedEnter software before powering on the board. After starting the software, the startup board will prompt the interruption success, and then Enter the address 192.168.1.1 in the browser, select the firmware compiled by yourself and upload it.