malles:
no just i set the pin HIGH and the motor turn on it work try it it's just a simple continious courant motor just like a led
Not only will it draw so much current it will damage the arduino, the lack of a diode across the motor will cause high voltage spikes and do further damage to your arduino.
Remove the motor and see if you have the same problem. If you do then either you have not got it wired like you think or you have already damaged your arduino. Try another analogue pin but stop driving your motor like this.