Phone stuck at " Htc One " Boot screen HTC One M7

My phone was charging then it automatic restart and stuck at HTC One boot screen with the orange light on. I couldn't power off or do anything. I have tried to hold power button 20 sec nothing happen it just stood there please help. I can't get to boot option either because i can't turn off my phone :(.
imgur. com/XEBB2Lc << The orange light was still on when i uncharged the phone please help Thank