when i go full screen some of my pixel become half , some double. how do i fix it?

in pink circle my pixel become double. in green in just one pixel.
i try to use 16:9
ratio.
i set
width :1024
,
hight: 576
,
mode:2d
,
aspect : keep
my screen 1920x1080
i try change my cam zoom to 1.875 when full screen, my map become small? but pixel scale dont have half pixel, but my ui still have same problem