Step 1:
	Put the Raspberry Pi Pico into BOOTSEL  mode.
Step 2:
	Drag the file "pico-测试--260317/固件RPI_PICO2-20251209-v1.27.0.uf2" into the storage device that appears when the Pico is 	in BOOTSEL mode.
Step3:
	Press the  reset button on the Raspberry Pi Pico once, then open Device Manager in Windows to check the port(here,as an 	example,the USB serial device is COM270).
Step4:
	In the “pico-测试--260317” folder,right-click and select  "Open in Terminal" to run the automatic flashing  scriptl:
	./upload.bat COM270
	(The serial port should match the one shown in Device Manager.)
Step5:
	After the flashing is completed successfully,press Enter,and  finally press the reset button on the Raspberry  Pi Pico to start 	running the test program.
