NodeMCU v3 not working, always report 1396, room 16

This what I done

Flashed by flasher.js https://github.com/thingsSDK/flasher.js 1v87

After flashed I

screen /dev/cu.wchusbserial1410 9600

Give me

 1396, room 16
tail 4
chksum 0x89
load 0x3ffe8000, len 776,

I don't know what happen.

I also tried espruino.com/binaries/travis/b3dc05b5378­a9182eea44e8c47b15c54e788037d/espruino_1­v87.tve_master_b3dc05b_esp8266.tgz this build

$   esptool.py --port /dev/cu.wchusbserial1410 --baud 115200 write_flash \
>       --flash_freq 80m --flash_mode qio --flash_size 32m \
>       0x0000 "boot_v1.6.bin" 0x1000 espruino_esp8266_user1.bin \
>       0x3FC000 esp_init_data_default.bin 0x37E000 blank.bin
esptool.py v1.1
Connecting...
Running Cesanta flasher stub...
Flash params set to 0x004f
Writing 4096 @ 0x0... 4096 (100 %)
Wrote 4096 bytes at 0x0 in 0.4 seconds (80.0 kbit/s)...
Writing 471040 @ 0x1000... 471040 (100 %)
Wrote 471040 bytes at 0x1000 in 40.9 seconds (92.2 kbit/s)...
Writing 4096 @ 0x3fc000... 4096 (100 %)
Wrote 4096 bytes at 0x3fc000 in 0.4 seconds (80.1 kbit/s)...
Writing 4096 @ 0x37e000... 4096 (100 %)
Wrote 4096 bytes at 0x37e000 in 0.4 seconds (80.1 kbit/s)...
Leaving...

But still give me

load 0x40100000, len 2408, room

What should I do ?

This is caused by esptool v1.1, after I use the latest esptool, everything is ok now.