优化宽度适配代码

ipuui/src/sass/base/rem.scss

@@ -3,7 +3,7 @@ $rem-width-min : -1;
$rem-width-max: null;
@each $rem-temp-width in $rem-query-widths{
    @include queryWidth($rem-width-min, $rem-temp-width);
    @include queryWidth($rem-width-min, $rem-temp-width - 1);
    $rem-width-max: $rem-temp-width;
    $rem-width-min: $rem-width-max;
}