Merapi Tool read flash problem

I try read flash by Merapi Tool and this not work. I get:

>>Analysis of USB port,Please insert phone USB cable.
09:49:36 > Connecting…
09:49:36 > CPU TYPE:MT6583/89
09:49:36 > Hardware version:CA01
09:49:36 > Software version:0001
09:49:36 > SecCfgVal :0x00000000
09:49:36 > BromVersion :0xFF
09:49:36 > BLVersion :0x01
>>Boot downloading complete!

But software not read flash. No other message after this.