improve small image create

www/js/beauty.js

@@ -26,7 +26,7 @@ if ($('#image_site').get(0)) {
             height = imgEl.height,
             naturalWidth = imgEl.naturalWidth,
             naturalHeight = imgEl.naturalHeight;
-        if (!naturalWidth || naturalWidth < 600 || naturalHeight < 500 ||
+        if (!naturalWidth || naturalWidth <= 600 || naturalHeight <= 500 ||
             (typeof(disableSmallImage) != 'undefined' && disableSmallImage)
         ) {
             return false;