thank you for all your answer guys
just trying to use the guide
In the new Blockchain.info I don't believe this feature is possible in the web interface anymore.
You will have to export the Private Key of the address into another wallet in order to sign it. You can do this by following
this guide, as described by shorena's thread
here. You should refer to that post if you have any further questions with signing an address.
im imported all the private key into bitcoin core then make a sign message
case closed