Sonoff troubles -

My (2) sonoff is worked good without any problem.

But now I try to flash a simple esp8266. The flasing is success. And I think I got the same:

>>> Connecting...
Set Slow Write = true
[object Object]
Connected [object Object]
Found a prompt... great!
>>> Sending...
---> "echo(0);\nconsole.log(\"<\",\"<<\",JSON.stringify(process.env),\">>\",\">\");echo(1);\n"
Sending block "echo(0);\nconsol", wait 50ms
Sent
Sending block "e.log(\"<\",\"<<\",", wait 50ms
Sent
Sending block "JSON.stringify(", wait 50ms
Sent
Sending block "process.env),\">", wait 50ms
Sent
Sending block ">\",\">\");echo(1)", wait 50ms
Sent
Sending block ";\n", wait 50ms
Sent
>>> Sent
WARNING: No result found - just got ""
Device found (connectionId=20)
>>> Connected to port /dev/ttyUSB0
Sending block "1", wait 50ms
Sent
Sending block "1", wait 50ms
Sent
Sending block "\r", wait 50ms
Sent
Sending block "1", wait 50ms
Sending block "2", wait 50ms