block of the stylized result image

[395062753]

hi I trained the models with the image data of coco2014(train2014 dir),when I use the trained models of relu5_1, relu4_1,relu3_1,relu2_1,relu1_1 ,I got the result image with serious block unlike your result, can you help me?

[395062753]

I downloaded your pre-trained models an ran them , your result is better! why?