diff --git a/Changelog.md b/Changelog.md
index dc94b75..cc5e89d 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,3 +1,8 @@
+### 0.9.1(161205)
+
+* 修复不调用loadDownFn报错bug
+* 修复窗口改变resize未触发加载数据bug
+
 ### 0.9.0(160215)
 
 * 删除`dropReload()` API，功能集成到之前`resetload()`里
diff --git a/Intro.md b/Intro.md
index a628c04..0e46c3c 100644
--- a/Intro.md
+++ b/Intro.md
@@ -1,3 +1,7 @@
+### 0.9.1(161205)
+
+感谢交流群和github上的网友反馈和建议，修复两个bug。并且把某些demo里ajax获取数据部分从原来的假json改为真正的数据接口，让例子更接近线上开发环境。
+
 ### 0.9.0(160215)
 
 年前把tab例子加上来让群友测试，果然群众的力量是伟大的！立马就检测出来bug，我当即修复好，只是用法比较复杂，暂时还想不出更方便的办法。顺便把上个版本的`dropReload()` API删掉，功能集成到之前`resetload()`里。另外还修复一个朋友发现的只调用下拉刷新，代码判断bug。
diff --git a/README.md b/README.md
index d58e85f..4cd250f 100644
--- a/README.md
+++ b/README.md
@@ -5,17 +5,16 @@ a javascript implementation of pull to refresh and up to loadmore
 
 ## 背景介绍 (introduce)
 
-年前把tab例子加上来让群友测试，果然群众的力量是伟大的！立马就检测出来bug，我当即修复好，只是用法比较复杂，暂时还想不出更方便的办法。顺便把上个版本的`dropReload()` API删掉，功能集成到之前`resetload()`里。另外还修复一个朋友发现的只调用下拉刷新，代码判断bug。
+感谢交流群和github上的网友反馈和建议，修复两个bug。并且把某些demo里ajax获取数据部分从原来的假json改为真正的数据接口，让例子更接近线上开发环境。
 
 [历史背景介绍](Intro.md)
 
 ## 最新版本 (The latest version)
 
-### 0.9.0(160215)
+### 0.9.1(161205)
 
-* 删除`dropReload()` API，功能集成到之前`resetload()`里
-* 优化`noData()`，`noData(false)`为有数据
-* 修复只调用下拉刷新，不调用上拉加载更多bug
+* 修复不调用loadDownFn报错bug
+* 修复窗口改变resize未触发加载数据bug
 
 [所有更新日志](Changelog.md)
 
diff --git a/dist/dropload.js b/dist/dropload.js
index 8d21b1f..4eb3670 100644
--- a/dist/dropload.js
+++ b/dist/dropload.js
@@ -1,7 +1,7 @@
 /**
  * dropload
  * 西门(http://ons.me/526.html)
- * 0.9.0(160215)
+ * 0.9.1(161205)
  */
 
 ;(function($){
@@ -84,12 +84,17 @@
 
         // 窗口调整
         $win.on('resize',function(){
-            if(me.opts.scrollArea == win){
+            clearTimeout(me.timer);
+            me.timer = setTimeout(function(){
+                if(me.opts.scrollArea == win){
                 // 重新获取win显示区高度
                 me._scrollWindowHeight = win.innerHeight;
-            }else{
-                me._scrollWindowHeight = me.$element.height();
-            }
+                }else{
+                    me._scrollWindowHeight = me.$element.height();
+                }
+                fnAutoLoad(me);
+            },150);
+            
         });
 
         // 绑定触摸
@@ -203,7 +208,7 @@
 
     // 如果文档高度不大于窗口高度，数据较少，自动加载下方数据
     function fnAutoLoad(me){
-        if(me.opts.autoLoad){
+        if(me.opts.loadDownFn != '' && me.opts.autoLoad){
             if((me._scrollContentHeight - me._threshold) <= me._scrollWindowHeight){
                 loadDown(me);
             }
diff --git a/dist/dropload.min.js b/dist/dropload.min.js
index 8bc2b9b..c1ae25f 100644
--- a/dist/dropload.min.js
+++ b/dist/dropload.min.js
@@ -1,6 +1,6 @@
 /**
  * dropload
  * 西门(http://ons.me/526.html)
- * 0.9.0(160215)
+ * 0.9.1(161205)
  */
-!function(a){"use strict";function g(a){a.touches||(a.touches=a.originalEvent.touches)}function h(a,b){b._startY=a.touches[0].pageY,b.touchScrollTop=b.$scrollArea.scrollTop()}function i(b,c){c._curY=b.touches[0].pageY,c._moveY=c._curY-c._startY,c._moveY>0?c.direction="down":c._moveY<0&&(c.direction="up");var d=Math.abs(c._moveY);""!=c.opts.loadUpFn&&c.touchScrollTop<=0&&"down"==c.direction&&!c.isLockUp&&(b.preventDefault(),c.$domUp=a("."+c.opts.domUp.domClass),c.upInsertDOM||(c.$element.prepend('<div class="'+c.opts.domUp.domClass+'"></div>'),c.upInsertDOM=!0),n(c.$domUp,0),d<=c.opts.distance?(c._offsetY=d,c.$domUp.html(c.opts.domUp.domRefresh)):d>c.opts.distance&&d<=2*c.opts.distance?(c._offsetY=c.opts.distance+.5*(d-c.opts.distance),c.$domUp.html(c.opts.domUp.domUpdate)):c._offsetY=c.opts.distance+.5*c.opts.distance+.2*(d-2*c.opts.distance),c.$domUp.css({height:c._offsetY}))}function j(b){var c=Math.abs(b._moveY);""!=b.opts.loadUpFn&&b.touchScrollTop<=0&&"down"==b.direction&&!b.isLockUp&&(n(b.$domUp,300),c>b.opts.distance?(b.$domUp.css({height:b.$domUp.children().height()}),b.$domUp.html(b.opts.domUp.domLoad),b.loading=!0,b.opts.loadUpFn(b)):b.$domUp.css({height:"0"}).on("webkitTransitionEnd mozTransitionEnd transitionend",function(){b.upInsertDOM=!1,a(this).remove()}),b._moveY=0)}function k(a){a.opts.autoLoad&&a._scrollContentHeight-a._threshold<=a._scrollWindowHeight&&m(a)}function l(a){a._scrollContentHeight=a.opts.scrollArea==b?e.height():a.$element[0].scrollHeight}function m(a){a.direction="up",a.$domDown.html(a.opts.domDown.domLoad),a.loading=!0,a.opts.loadDownFn(a)}function n(a,b){a.css({"-webkit-transition":"all "+b+"ms",transition:"all "+b+"ms"})}var f,b=window,c=document,d=a(b),e=a(c);a.fn.dropload=function(a){return new f(this,a)},f=function(a,b){var c=this;c.$element=a,c.upInsertDOM=!1,c.loading=!1,c.isLockUp=!1,c.isLockDown=!1,c.isData=!0,c._scrollTop=0,c._threshold=0,c.init(b)},f.prototype.init=function(f){var l=this;l.opts=a.extend(!0,{},{scrollArea:l.$element,domUp:{domClass:"dropload-up",domRefresh:'<div class="dropload-refresh">↓下拉刷新</div>',domUpdate:'<div class="dropload-update">↑释放更新</div>',domLoad:'<div class="dropload-load"><span class="loading"></span>加载中...</div>'},domDown:{domClass:"dropload-down",domRefresh:'<div class="dropload-refresh">↑上拉加载更多</div>',domLoad:'<div class="dropload-load"><span class="loading"></span>加载中...</div>',domNoData:'<div class="dropload-noData">暂无数据</div>'},autoLoad:!0,distance:50,threshold:"",loadUpFn:"",loadDownFn:""},f),""!=l.opts.loadDownFn&&(l.$element.append('<div class="'+l.opts.domDown.domClass+'">'+l.opts.domDown.domRefresh+"</div>"),l.$domDown=a("."+l.opts.domDown.domClass)),l._threshold=l.$domDown&&""===l.opts.threshold?Math.floor(1*l.$domDown.height()/3):l.opts.threshold,l.opts.scrollArea==b?(l.$scrollArea=d,l._scrollContentHeight=e.height(),l._scrollWindowHeight=c.documentElement.clientHeight):(l.$scrollArea=l.opts.scrollArea,l._scrollContentHeight=l.$element[0].scrollHeight,l._scrollWindowHeight=l.$element.height()),k(l),d.on("resize",function(){l._scrollWindowHeight=l.opts.scrollArea==b?b.innerHeight:l.$element.height()}),l.$element.on("touchstart",function(a){l.loading||(g(a),h(a,l))}),l.$element.on("touchmove",function(a){l.loading||(g(a,l),i(a,l))}),l.$element.on("touchend",function(){l.loading||j(l)}),l.$scrollArea.on("scroll",function(){l._scrollTop=l.$scrollArea.scrollTop(),""!=l.opts.loadDownFn&&!l.loading&&!l.isLockDown&&l._scrollContentHeight-l._threshold<=l._scrollWindowHeight+l._scrollTop&&m(l)})},f.prototype.lock=function(a){var b=this;void 0===a?"up"==b.direction?b.isLockDown=!0:"down"==b.direction?b.isLockUp=!0:(b.isLockUp=!0,b.isLockDown=!0):"up"==a?b.isLockUp=!0:"down"==a&&(b.isLockDown=!0,b.direction="up")},f.prototype.unlock=function(){var a=this;a.isLockUp=!1,a.isLockDown=!1,a.direction="up"},f.prototype.noData=function(a){var b=this;void 0===a||1==a?b.isData=!1:0==a&&(b.isData=!0)},f.prototype.resetload=function(){var b=this;"down"==b.direction&&b.upInsertDOM?b.$domUp.css({height:"0"}).on("webkitTransitionEnd mozTransitionEnd transitionend",function(){b.loading=!1,b.upInsertDOM=!1,a(this).remove(),l(b)}):"up"==b.direction&&(b.loading=!1,b.isData?(b.$domDown.html(b.opts.domDown.domRefresh),l(b),k(b)):b.$domDown.html(b.opts.domDown.domNoData))}}(window.Zepto||window.jQuery);
\ No newline at end of file
+!function(a){"use strict";function g(a){a.touches||(a.touches=a.originalEvent.touches)}function h(a,b){b._startY=a.touches[0].pageY,b.touchScrollTop=b.$scrollArea.scrollTop()}function i(b,c){c._curY=b.touches[0].pageY,c._moveY=c._curY-c._startY,c._moveY>0?c.direction="down":c._moveY<0&&(c.direction="up");var d=Math.abs(c._moveY);""!=c.opts.loadUpFn&&c.touchScrollTop<=0&&"down"==c.direction&&!c.isLockUp&&(b.preventDefault(),c.$domUp=a("."+c.opts.domUp.domClass),c.upInsertDOM||(c.$element.prepend('<div class="'+c.opts.domUp.domClass+'"></div>'),c.upInsertDOM=!0),n(c.$domUp,0),d<=c.opts.distance?(c._offsetY=d,c.$domUp.html(c.opts.domUp.domRefresh)):d>c.opts.distance&&d<=2*c.opts.distance?(c._offsetY=c.opts.distance+.5*(d-c.opts.distance),c.$domUp.html(c.opts.domUp.domUpdate)):c._offsetY=c.opts.distance+.5*c.opts.distance+.2*(d-2*c.opts.distance),c.$domUp.css({height:c._offsetY}))}function j(b){var c=Math.abs(b._moveY);""!=b.opts.loadUpFn&&b.touchScrollTop<=0&&"down"==b.direction&&!b.isLockUp&&(n(b.$domUp,300),c>b.opts.distance?(b.$domUp.css({height:b.$domUp.children().height()}),b.$domUp.html(b.opts.domUp.domLoad),b.loading=!0,b.opts.loadUpFn(b)):b.$domUp.css({height:"0"}).on("webkitTransitionEnd mozTransitionEnd transitionend",function(){b.upInsertDOM=!1,a(this).remove()}),b._moveY=0)}function k(a){""!=a.opts.loadDownFn&&a.opts.autoLoad&&a._scrollContentHeight-a._threshold<=a._scrollWindowHeight&&m(a)}function l(a){a._scrollContentHeight=a.opts.scrollArea==b?e.height():a.$element[0].scrollHeight}function m(a){a.direction="up",a.$domDown.html(a.opts.domDown.domLoad),a.loading=!0,a.opts.loadDownFn(a)}function n(a,b){a.css({"-webkit-transition":"all "+b+"ms",transition:"all "+b+"ms"})}var f,b=window,c=document,d=a(b),e=a(c);a.fn.dropload=function(a){return new f(this,a)},f=function(a,b){var c=this;c.$element=a,c.upInsertDOM=!1,c.loading=!1,c.isLockUp=!1,c.isLockDown=!1,c.isData=!0,c._scrollTop=0,c._threshold=0,c.init(b)},f.prototype.init=function(f){var l=this;l.opts=a.extend(!0,{},{scrollArea:l.$element,domUp:{domClass:"dropload-up",domRefresh:'<div class="dropload-refresh">↓下拉刷新</div>',domUpdate:'<div class="dropload-update">↑释放更新</div>',domLoad:'<div class="dropload-load"><span class="loading"></span>加载中...</div>'},domDown:{domClass:"dropload-down",domRefresh:'<div class="dropload-refresh">↑上拉加载更多</div>',domLoad:'<div class="dropload-load"><span class="loading"></span>加载中...</div>',domNoData:'<div class="dropload-noData">暂无数据</div>'},autoLoad:!0,distance:50,threshold:"",loadUpFn:"",loadDownFn:""},f),""!=l.opts.loadDownFn&&(l.$element.append('<div class="'+l.opts.domDown.domClass+'">'+l.opts.domDown.domRefresh+"</div>"),l.$domDown=a("."+l.opts.domDown.domClass)),l._threshold=l.$domDown&&""===l.opts.threshold?Math.floor(1*l.$domDown.height()/3):l.opts.threshold,l.opts.scrollArea==b?(l.$scrollArea=d,l._scrollContentHeight=e.height(),l._scrollWindowHeight=c.documentElement.clientHeight):(l.$scrollArea=l.opts.scrollArea,l._scrollContentHeight=l.$element[0].scrollHeight,l._scrollWindowHeight=l.$element.height()),k(l),d.on("resize",function(){clearTimeout(l.timer),l.timer=setTimeout(function(){l._scrollWindowHeight=l.opts.scrollArea==b?b.innerHeight:l.$element.height(),k(l)},150)}),l.$element.on("touchstart",function(a){l.loading||(g(a),h(a,l))}),l.$element.on("touchmove",function(a){l.loading||(g(a,l),i(a,l))}),l.$element.on("touchend",function(){l.loading||j(l)}),l.$scrollArea.on("scroll",function(){l._scrollTop=l.$scrollArea.scrollTop(),""!=l.opts.loadDownFn&&!l.loading&&!l.isLockDown&&l._scrollContentHeight-l._threshold<=l._scrollWindowHeight+l._scrollTop&&m(l)})},f.prototype.lock=function(a){var b=this;void 0===a?"up"==b.direction?b.isLockDown=!0:"down"==b.direction?b.isLockUp=!0:(b.isLockUp=!0,b.isLockDown=!0):"up"==a?b.isLockUp=!0:"down"==a&&(b.isLockDown=!0,b.direction="up")},f.prototype.unlock=function(){var a=this;a.isLockUp=!1,a.isLockDown=!1,a.direction="up"},f.prototype.noData=function(a){var b=this;void 0===a||1==a?b.isData=!1:0==a&&(b.isData=!0)},f.prototype.resetload=function(){var b=this;"down"==b.direction&&b.upInsertDOM?b.$domUp.css({height:"0"}).on("webkitTransitionEnd mozTransitionEnd transitionend",function(){b.loading=!1,b.upInsertDOM=!1,a(this).remove(),l(b)}):"up"==b.direction&&(b.loading=!1,b.isData?(b.$domDown.html(b.opts.domDown.domRefresh),l(b),k(b)):b.$domDown.html(b.opts.domDown.domNoData))}}(window.Zepto||window.jQuery);
\ No newline at end of file
diff --git a/examples/load-top-bottom.html b/examples/load-top-bottom.html
index a34bc51..ecca1a2 100644
--- a/examples/load-top-bottom.html
+++ b/examples/load-top-bottom.html
@@ -210,10 +210,10 @@ <h3>12文字描述文字描述文字描述文字描述文字描述</h3>
 <script src="../dist/dropload.min.js"></script>
 <script>
 $(function(){
-    var counter = 0;
-    // 每页展示4个
-    var num = 4;
-    var pageStart = 0,pageEnd = 0;
+    // 页数
+    var page = 0;
+    // 每页展示10个
+    var size = 10;
 
     // dropload
     $('.content').dropload({
@@ -249,9 +249,9 @@ <h3>12文字描述文字描述文字描述文字描述文字描述</h3>
                         $('.lists').html(result);
                         // 每次数据加载完，必须重置
                         me.resetload();
-                        // 重置索引值，重新拼接more.json数据
-                        counter = 0;
-                        // 解锁
+                        // 重置页数，重新获取loadDownFn的数据
+                        page = 0;
+                        // 解锁loadDownFn里锁定的情况
                         me.unlock();
                         me.noData(false);
                     },1000);
@@ -264,34 +264,35 @@ <h3>12文字描述文字描述文字描述文字描述文字描述</h3>
             });
         },
         loadDownFn : function(me){
+            page++;
+            // 拼接HTML
+            var result = '';
             $.ajax({
                 type: 'GET',
-                url: 'json/more.json',
+                url: 'http://ons.me/tools/dropload/json.php?page='+page+'&size='+size,
                 dataType: 'json',
                 success: function(data){
-                    var result = '';
-                    counter++;
-                    pageEnd = num * counter;
-                    pageStart = pageEnd - num;
-
-                    for(var i = pageStart; i < pageEnd; i++){
-                        result +=   '<a class="item opacity" href="'+data.lists[i].link+'">'
-                                        +'<img src="'+data.lists[i].pic+'" alt="">'
-                                        +'<h3>'+data.lists[i].title+'</h3>'
-                                        +'<span class="date">'+data.lists[i].date+'</span>'
-                                    +'</a>';
-                        if((i + 1) >= data.lists.length){
-                            // 锁定
-                            me.lock();
-                            // 无数据
-                            me.noData();
-                            break;
+                    var arrLen = data.length;
+                    if(arrLen > 0){
+                        for(var i=0; i<arrLen; i++){
+                            result +=   '<a class="item opacity" href="'+data[i].link+'">'
+                                            +'<img src="'+data[i].pic+'" alt="">'
+                                            +'<h3>'+data[i].title+'</h3>'
+                                            +'<span class="date">'+data[i].date+'</span>'
+                                        +'</a>';
                         }
+                    // 如果没有数据
+                    }else{
+                        // 锁定
+                        me.lock();
+                        // 无数据
+                        me.noData();
                     }
                     // 为了测试，延迟1秒加载
                     setTimeout(function(){
+                        // 插入数据到页面，放到最后面
                         $('.lists').append(result);
-                        // 每次数据加载完，必须重置
+                        // 每次数据插入，必须重置
                         me.resetload();
                     },1000);
                 },