xiaozhi-esp32/main/boards/atoms3-echo-base/config.json

{
    "target": "esp32s3",
    "builds": [
        {
            "name": "atoms3-echo-base",
            "sdkconfig_append": [
                "CONFIG_SPIRAM=n",
                "CONFIG_ESPTOOLPY_FLASHSIZE_8MB=y",
                "CONFIG_PARTITION_TABLE_CUSTOM_FILENAME=\"partitions/v2/8m.csv\""
            ]
        }
    ]
}