What's wrong with my copter?

Hello everyone 5days ago I tested my new design for its ready or not but when I landed I’m surprised with 2 motors are hot and another 2 motors are normal , how it’s possible ???

This is first flight without any payload , for checking everything is ok or not
[https://drive.google.com/file/d/1_2sxKThN7OAdAHbsqp9kal91DZHlg036/view?usp=drivesdk ]

This is a original file when I face problem
[https://drive.google.com/file/d/1_36CtVjSOmFllT7jj-FdBsqe6HGBYvBP/view?usp=drivesdk ]

Thank you :slightly_smiling_face: