How to apply CA at yolov5?

[yyyxlj]

Dear owner:
There is a question about how to apply CA to yolov5 ,I want to know that it's better to add attention to that location where "V5" is,I tried to add it after concat ,But it doesn't work well.

thanks a lot!

[XuecWu]

可以尝试加在backbone前部