ESP8266_RTOS_SDK下載程序make flash的時報錯

ESP8266_RTOS_SDKmake flash的時報錯 (1)串口權限不足 serial.serialutil.SerialException: [Errno 13] could not open port /dev/ttyUSB0: [Errno 13] Permission denied: ‘/dev/ttyUSB0’ /home/book/esp8266/ESP8266_RTOS_SD

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