diff --git a/public/static/admin.js b/public/static/admin.js
index 507a53b89..3826774dd 100644
--- a/public/static/admin.js
+++ b/public/static/admin.js
@@ -588,7 +588,7 @@ $(function () {
     $.fn.uploadMultipleImage = function () {
         return this.each(function () {
             if ($(this).data('inited')) return true; else $(this).data('inited', true);
-            var $in = $(this), $bt = $('<a data-file="mul" class="uploadimage"></a>'), imgs = this.value ? this.value.split('|') : []
+            var $in = $(this), $bt = $('<a data-file="mul" class="uploadimage"></a>'), imgs = this.value ? this.value.split('|') : [], num = $in.data('number') || 0
             $in.after($bt.attr('data-size', $in.data('size') || 0).attr('data-type', $in.data('type') || 'png,jpg,gif,jpeg').uploadFile(function (src) {
                 imgs.push(src), $in.val(imgs.join('|')), showImageContainer([src]);
             })), (imgs.length > 0 && showImageContainer(imgs));
@@ -603,8 +603,10 @@ $(function () {
                         imgs = [], $bt.prevAll('.uploadimage').map(function () {
                             imgs.push($(this).attr('data-tips-image'));
                         });
+                        if(num > 0 && imgs.length < num) $bt.show();
                         imgs.reverse(), $in.val(imgs.join('|'));
                     }), $bt.before($image);
+                    if(num > 0 && imgs.length >= num) $bt.hide();
                 });
             }
         });