diff --git a/CHANGELOG.md b/CHANGELOG.md
index e7dbc05..3d20eb8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@
 > 确认和取消的回调除了yes和cancel外，还可用btn1/btn2。 btn2可解决取消遇右上角关闭共用cancel回调的问题。即如果你只需要接受取消的回调，可以使用 btn2: function(){}
 
 == 拓展模块 ==
-> 修复通过<script>标签引入layer.ext.js时，出现Cannot read property 'skin' of undefined的报错问题。（虽然我们更推荐用layer.config()方式加载layer.ext.js）。
+> 修复通过script标签引入layer.ext.js时，出现Cannot read property 'skin' of undefined的报错问题。（虽然我们更推荐用layer.config()方式加载layer.ext.js）。
 > 如果相册只有一张图片，则不触发上/下一张。
 
 
diff --git a/README.md b/README.md
index 4791d06..499b2ad 100644
--- a/README.md
+++ b/README.md
@@ -19,4 +19,4 @@ layer将不再独立战斗，她已经找到了她的国：含苞待放的layui
 
 
 ## 备注
-[官网](http://layer.layui.com/)、[更新日志](https://github.com/sentsin/layer/blob/master/Update%20Notes.txt)、[社区交流](http://fly.layui.com)
\ No newline at end of file
+[官网](http://layer.layui.com/)、[更新日志](https://github.com/sentsin/layer/blob/2.0/CHANGELOG.md)、[社区交流](http://fly.layui.com)
\ No newline at end of file
diff --git a/layer.js b/layer.js
index 373489d..8574c39 100644
--- a/layer.js
+++ b/layer.js
@@ -1,2 +1,2 @@
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z-index:2147483584"></div>'),e.move=c("#layui-layer-moves"),b.moveType&&e.move.css({visibility:"hidden"}),e.moveX=a.pageX-e.move.position().left,e.moveY=a.pageY-e.move.position().top,"fixed"!==e.layero.css("position")||(e.setY=d.scrollTop())}}),c(document).mousemove(function(a){if(e.ismove){var c=a.pageX-e.moveX,f=a.pageY-e.moveY;if(a.preventDefault(),!b.moveOut){e.setY=d.scrollTop();var g=d.width()-e.move.outerWidth(),h=e.setY;0>c&&(c=0),c>g&&(c=g),h>f&&(f=h),f>d.height()-e.move.outerHeight()+e.setY&&(f=d.height()-e.move.outerHeight()+e.setY)}e.move.css({left:c,top:f}),b.moveType&&e.moveLayer(),c=f=g=h=null}}).mouseup(function(){try{e.ismove&&(e.moveLayer(),e.move.remove(),b.moveEnd&&b.moveEnd()),e.ismove=!1}catch(a){e.ismove=!1}}),a},g.pt.callback=function(){function a(){var a=g.cancel&&g.cancel(b.index);a===!1||f.close(b.index)}var 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b=b||c("."+h[4]).attr("times"),c("#"+h[0]+b).find("iframe").contents().find(a)},f.getFrameIndex=function(a){return c("#"+a).parents("."+h[4]).attr("times")},f.iframeAuto=function(a){if(a){var b=f.getChildFrame("body",a).outerHeight(),d=c("#"+h[0]+a),e=d.find(h[1]).outerHeight()||0,g=d.find("."+h[6]).outerHeight()||0;d.css({height:b+e+g}),d.find("iframe").css({height:b})}},f.iframeSrc=function(a,b){c("#"+h[0]+a).find("iframe").attr("src",b)},f.style=function(a,b){var d=c("#"+h[0]+a),f=d.attr("type"),g=d.find(h[1]).outerHeight()||0,i=d.find("."+h[6]).outerHeight()||0;(f===e.type[1]||f===e.type[2])&&(d.css(b),f===e.type[2]&&d.find("iframe").css({height:parseFloat(b.height)-g-i}))},f.min=function(a,b){var d=c("#"+h[0]+a),g=d.find(h[1]).outerHeight()||0;e.record(d),f.style(a,{width:180,height:g,overflow:"hidden"}),d.find(".layui-layer-min").hide(),"page"===d.attr("type")&&d.find(h[4]).hide(),e.rescollbar(a)},f.restore=function(a){var 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\ No newline at end of file
diff --git a/src/layer.js b/src/layer.js
index 9c5ceb0..0598880 100644
--- a/src/layer.js
+++ b/src/layer.js
@@ -515,12 +515,14 @@ Class.pt.callback = function(){
     //按钮
     layero.find('.'+ doms[6]).children('a').on('click', function(){
         var index = $(this).index();
+        config['btn'+(index+1)] && config['btn'+(index+1)](that.index, layero);
         if(index === 0){
             config.yes ? config.yes(that.index, layero) : layer.close(that.index);
         } else if(index === 1){
             cancel();
+        } else {
+            config['btn'+(index+1)] || layer.close(that.index);
         }
-        config['btn'+(index+1)] ? config['btn'+(index+1)](that.index, layero) : layer.close(that.index);
     });
     
     //取消