Thinkrider x3 pro - calibration problem

Hi, i’m new Zwifter - i bought Thinkrider x3 pro - its conecting to Zwift properly - but when i cycling its very hard comparision to real life - my wats are weak in Zwift to lower than in real life in about 40%. I decide to calibrate it - but i cant manage to do that properly - the application thinkridertools - could not connetc, and application thinkrideradj - connect properly but when i do calibration its always write “fail”, maybye someone solve the problem ? Please help .