[TYPO3-english] Image name changes append 2 at x end of the image

[yogesh shishangiya]

Hello Every one,

i am begginer of typo 3 and i am starting to implement theme as per my requirement but i got stucked because i am create main  template and append sub template for header but my logo name and other image name change and append  @2x in every image name.

Like my logo.png change logo (at) 2x.png .

Any body know what problem is going on and what mistak i have done ?

Thanks,
Yogesh