Ok is my mistake for decimal is write , and not .
After do what you say i have the same result 
Ok nice now i have succefully nice tank you peter
Post your code (correctly formatted with triple backticks), and include your Auth token (you can refresh it later).
Post a screenshot of your admin console showing the same Auth token.
Post a screenshot of your app devices screen, showing the Auth token
Post your serial output (copy/paste, not a screenshot)
Provide details of your hardware.
Provide details of your Blynk server hardware, Java version and server version.
Do this in ONE post, not twenty one-line posts.
Pete.