NOT BE ABLE TO INDIVIDUALLY CHANGE COLLECTION IMAGE AND NAME ON HOME PAGE

WHEN I TRY TO CHANGE NAME OR IMAGE OF ANY COLLECTION ON HOME PAGE, ALL THE COLLECTIONS IMAGE CHANGES AUTOMATICALLY. AS YOU CAN SEE THE IN THE ATTACHMENT BELOW 

Veerindustries@007  

Veerindustries@007 

https://ha20xi-5p.myshopify.com/

HOW TO DO THAT?  

https://admin.shopify.com/store/ha20xi-5p/themes/131786178623/editor

I AM NOT BE ABLE TO CHANGE COLLECTION NAME OR IMAGE INDIVIDUALLY ON DWELL THEME.