improve json data get for images

www/js/beauty.js

@@ -31,6 +31,7 @@ if ($('#image_site').get(0)) {
             }
         }
 
+        newParas['show'] = dataType;
         newParas['dataType'] = dataType;
         newParas['page'] = parseInt(currentPage) + 1;
         currentPage = newParas['page'];