Unexpected error: Error while retrieving firmware file 'https://raw.githubusercontent.com/espressif/arduino-esp32/1.0.4/tools/sdk/bin/bootloader_dio_40m.bin': HTTPSConnectionPool(host='raw.githubusercontent.com', port=443): Max retries exceeded with url: /espressif/arduino-esp32/1.0.4/tools/sdk/bin/bootloader_dio_40m.bin (Caused by NewConnectionError('<urllib3.connection.VerifiedHTTPSConnection object at 0x00000000066D3408>: Failed to establish a new connection: [Errno 11004] getaddrinfo failed')
大神们看一下,不知错在那里