diff --git a/avalon.js b/avalon.js
index c27e534ec..644c99836 100644
--- a/avalon.js
+++ b/avalon.js
@@ -5,7 +5,7 @@
  http://weibo.com/jslouvre/
  
  Released under the MIT license
- avalon.js 1.4.7 built in 2015.10.12
+ avalon.js 1.4.7 built in 2015.10.13
  support IE6+ and other browsers
  ==================================================*/
 (function(global, factory) {
@@ -4158,6 +4158,9 @@ bindingHandlers.repeat = function (data, vmodels) {
         }
     }
 
+    data.handler = noop
+    avalon.injectBinding(data)
+
     var elem = data.element
     if (elem.nodeType === 1) {
         elem.removeAttribute(data.name)
@@ -4226,7 +4229,12 @@ bindingExecutors.repeat = function (method, pos, el) {
 
         if (data.xtype === "array") {
             if (old.length === neo.length) {
-                return
+                if (old !== neo && old.length > 0) {
+                    bindingExecutors.repeat.call(this, 'clear', pos, el)
+                }
+                else {
+                    return
+                }
             }
             method = "add"
             pos = 0
diff --git a/dist/avalon.js b/dist/avalon.js
index c27e534ec..644c99836 100644
--- a/dist/avalon.js
+++ b/dist/avalon.js
@@ -5,7 +5,7 @@
  http://weibo.com/jslouvre/
  
  Released under the MIT license
- avalon.js 1.4.7 built in 2015.10.12
+ avalon.js 1.4.7 built in 2015.10.13
  support IE6+ and other browsers
  ==================================================*/
 (function(global, factory) {
@@ -4158,6 +4158,9 @@ bindingHandlers.repeat = function (data, vmodels) {
         }
     }
 
+    data.handler = noop
+    avalon.injectBinding(data)
+
     var elem = data.element
     if (elem.nodeType === 1) {
         elem.removeAttribute(data.name)
@@ -4226,7 +4229,12 @@ bindingExecutors.repeat = function (method, pos, el) {
 
         if (data.xtype === "array") {
             if (old.length === neo.length) {
-                return
+                if (old !== neo && old.length > 0) {
+                    bindingExecutors.repeat.call(this, 'clear', pos, el)
+                }
+                else {
+                    return
+                }
             }
             method = "add"
             pos = 0
diff --git a/dist/avalon.min.js b/dist/avalon.min.js
index 940eab7ad..faf116c50 100644
--- a/dist/avalon.min.js
+++ b/dist/avalon.min.js
@@ -1,3 +1,3 @@
 !function(e,t){"object"==typeof module&&"object"==typeof module.exports?module.exports=e.document?t(e,!0):function(e){if(!e.document)throw new Error("Avalon requires a window with a document");return t(e)}:t(e)}("undefined"!=typeof window?window:this,function(e,t){function n(){e.console&&avalon.config.debug&&Function.apply.call(console.log,console,arguments)}function r(){}function i(e,t){"string"==typeof e&&(e=e.match(Lt)||[]);for(var n={},r=void 0!==t?t:1,a=0,i=e.length;i>a;a++)n[e[a]]=r;return n}function o(){if(e.VBArray){var t=document.documentMode;return t?t:e.XMLHttpRequest?7:6}return 0/0}function l(e){return Pt.test(Rt.call(e))}function s(e,t){return e=Math.floor(e)||0,0>e?Math.max(t+e,0):Math.min(e,t)}function c(e){if(!e)return!1;var t=e.length;if(t===t>>>0){var n=Rt.call(e).slice(8,-1);if(/(?:regexp|string|function|window|global)$/i.test(n))return!1;if("Array"===n)return!0;try{return{}.propertyIsEnumerable.call(e,"length")===!1?/^\s?function/.test(e.item||e.callee):!0}catch(r){return!e.window}}return!1}function u(e,t,n){var r="for(var "+e+"i=0,n = this.length; i < n; i++){"+t.replace("_","((i in this) && fn.call(scope,this[i],i,this))")+"}"+n;return Function("fn,scope",r)}function f(e,t){try{for(;t=t.parentNode;)if(t===e)return!0;return!1}catch(n){return!1}}function p(){return(new XMLSerializer).serializeToString(this)}function d(e,t){if(e&&e.childNodes)for(var n,r=e.childNodes,a=0;n=r[a++];)if(n.tagName){var i=_t.createElementNS(sn,n.tagName.toLowerCase());It.forEach.call(n.attributes,function(e){i.setAttribute(e.name,e.value)}),d(n,i),t.appendChild(i)}}function v(e){var t={};for(var n in e)t[n]=e[n];var r=t.target=e.srcElement;if(0===e.type.indexOf("key"))t.which=null!=e.charCode?e.charCode:e.keyCode;else if(un.test(e.type)){var a=r.ownerDocument||_t,i="BackCompat"===a.compatMode?a.body:a.documentElement;t.pageX=e.clientX+(i.scrollLeft>>0)-(i.clientLeft>>0),t.pageY=e.clientY+(i.scrollTop>>0)-(i.clientTop>>0),t.wheelDeltaY=t.wheelDelta,t.wheelDeltaX=0}return t.timeStamp=new Date-0,t.originalEvent=e,t.preventDefault=function(){e.returnValue=!1},t.stopPropagation=function(){e.cancelBubble=!0},t}function h(e){for(var t in e)if(Bt.call(e,t)){var n=e[t];"function"==typeof h.plugins[t]?h.plugins[t](n):"object"==typeof h[t]?avalon.mix(h[t],n):h[t]=n}return this}function m(e){return(e+"").replace(bn,"\\$&")}function g(e,t,n){if(Array.isArray(e)){var r=e.concat();e.length=0;var a=_(e);return a.pushArray(r),a}if(!e||e.nodeType>0||e.$id&&e.$events)return e;var i=Array.isArray(e.$skipArray)?e.$skipArray:[];i.$special=t||{};var o={};n=n||{};var l={},s={},c=[];kn.forEach(function(t){delete e[t]});var u=Object.keys(e);u.forEach(function(t,r){var a=e[t];if(n[t]=a,k(t,a,i)){l[t]=[];var o=avalon.type(a);"object"===o&&Jt(a.get)&&Object.keys(a).length<=2?(r=x(t,a),c.push(r)):r=Ht.test(o)?w(t,a,o,l[t],n):b(t,a),s[t]=r}}),o=_n(o,Mn(s),e);for(var f=0;f<u.length;f++){var p=u[f];s[p]||(o[p]=e[p])}y(o,"$id",Yt()),y(o,"$model",n),y(o,"$events",l),An?y(o,"hasOwnProperty",function(e){return e in o.$model}):o.hasOwnProperty=function(e){return e in o.$model&&"hasOwnProperty"!==e};for(f in Cn)y(o,f,Cn[f].bind(o));return o.$reinitialize=function(){c.forEach(function(e){delete e._value,delete e.oldArgs,e.digest=function(){e.call(o)},Hn.begin({callback:function(t,n){var r=n._name;if(n!==e){var a=t.$events[r];M(a,e.digest)}}});try{e.get.call(o)}finally{Hn.end()}})},o.$reinitialize(),o}function y(e,t,n){An?Object.defineProperty(e,t,{value:n,writable:!0,enumerable:!1,configurable:!0}):e[t]=n}function b(e,t){function n(e){var t=n._value;return arguments.length>0?(jt||Nn(e,t)||(n.updateValue(this,e),n.notify(this,e,t)),this):(Hn.collectDependency(this,n),t)}return T(n,e),n._value=t,n}function x(e,t){function n(t){var r=n._value,a="_value"in n;if(arguments.length>0){if(jt)return this;if("function"==typeof n.set&&n.oldArgs!==t){n.oldArgs=t;var i=this.$events,o=i[e];i[e]=[],n.set.call(this,t),i[e]=o,t=n.get.call(this),t!==r&&(n.updateValue(this,t),n.notify(this,t,r))}return this}return t=n.get.call(this),n.updateValue(this,t),a&&r!==t&&n.notify(this,t,r),t}return n.set=t.set,n.get=t.get,T(n,e),n}function w(e,t,n,r,a){function i(t){var r=i._value,a=i._vmodel;if(arguments.length>0){if(jt)return this;if("array"===n){var o=a,l=t,s=o.length,c=l.length;o.$lock=!0,s>c?o.splice(c,s-c):c>s&&o.push.apply(o,l.slice(s));for(var u=Math.min(s,c),f=0;u>f;f++)o.set(f,l[f]);delete o.$lock,o._fire("set")}else if("object"===n){var p=this.$events[e]||[],d=avalon.mix(!0,{},t);for(f in a)a.hasOwnProperty(f)&&Bt.call(d,f)&&(a[f]=d[f]);a=i._vmodel=g(t),a.$events[St]=p,p.length&&p.forEach(function(e){e.type&&(e.rollback&&e.rollback(),Kt[e.type](e,e.vmodels))})}return i.updateValue(this,a.$model),i.notify(this,this._value,r),this}return Hn.collectDependency(this,i),a}T(i,e),a[e]=Array.isArray(t)?t:a[e]||{};var o=i._vmodel=g(t,0,a[e]);return o.$events[St]=r,i}function $(e,t){e.$model[this._name]=this._value=t}function C(e,t,n){var r=this._name,a=e.$events[r];a&&(S(a),Cn.$fire.call(e,r,t,n))}function T(e,t){e._name=t,e.updateValue=$,e.notify=C}function k(e,t,n){if(Jt(t)||t&&t.nodeType)return!1;if(-1!==n.indexOf(e))return!1;var r=n.$special;return e&&"$"===e.charAt(0)&&!r[e]?!1:!0}function E(e){for(var t=Object.keys(e.$model?e.$model:e),n=0;n<kn.length;n++){var r=t.indexOf(kn[n]);-1!==r&&t.splice(r,1)}return t}function A(e,t,n,r){var a=t[n];return 4!==arguments.length?a.call(e):void a.call(e,r)}function _(e){var t=[];t.$id=Yt(),t.$model=e,t.$events={},t.$events[St]=[],t._=g({length:e.length}),t._.$watch("length",function(e,n){t.$fire("length",e,n)});for(var n in Cn)t[n]=Cn[n];return avalon.mix(t,Ln),t}function O(e,t,n,r,a,i,o){for(var l=this.length,s=2;--s;){switch(e){case"add":var c=this.$model.slice(t,t+n).map(function(e){return Ht.test(avalon.type(e))?e.$id?e:g(e,0,e):e});jn.apply(this,[t,0].concat(c)),this._fire("add",t,n);break;case"del":var u=this._splice(t,n);this._fire("del",t,n)}a&&(e=a,t=i,n=o,s=2,a=0)}return this._fire("index",r),this.length!==l&&(this._.length=this.length),u}function N(e,t){for(var n={},r=0,a=t.length;a>r;r++){n[r]=e[r];var i=t[r];i in n?(e[r]=n[i],delete n[i]):e[r]=e[i]}}function M(e,t){t.oneTime||e&&avalon.Array.ensure(e,t)&&t.element&&(L(t,e),new Date-Bn>444&&H())}function S(e){if(e&&e.length){new Date-Bn>444&&"object"==typeof e[0]&&H();for(var t,n=Vt.call(arguments,1),r=e.length;t=e[--r];){var a=t.element;if(a&&a.parentNode)try{var i=t.evaluator;if(t.$repeat)t.handler.apply(t,n);else if("$repeat"in t||!i)Kt[t.type](t,t.vmodels);else if("on"!==t.type){var o=i.apply(0,t.args||[]);t.handler(o,a,t)}}catch(l){console.log(l)}}}}function j(e,t){return e.uuid||t||(e.uuid=++Pn),e.uuid}function L(e,t){var n=e.element;e.uuid||(e.uuid=1!==n.nodeType?e.type+j(n.parentNode)+"-"+ ++Pn:e.name+"-"+j(n));var r=e.lists||(e.lists=[]);avalon.Array.ensure(r,t),t.$uuid=t.$uuid||Yt(),Fn[e.uuid]||(Fn[e.uuid]=1,Fn.push(e))}function H(e){if(!avalon.optimize){for(var t=Fn.length,n=t,r=[],a={},i={};e=Fn[--t];){var o=e.type;i[o]?i[o]++:(i[o]=1,r.push(o))}var l=!1;if(r.forEach(function(e){Rn[e]!==i[e]&&(a[e]=1,l=!0)}),t=n,l)for(;e=Fn[--t];)if(null!==e.element){if(a[e.type]&&P(e.element)){Fn.splice(t,1),delete Fn[e.uuid];for(var s,c=e.lists,u=0;s=c[u++];)avalon.Array.remove(c,s),avalon.Array.remove(s,e);D(e)}}else Fn.splice(t,1);Rn=i,Bn=new Date}}function D(e){delete Fn[e.uuid],e.element=null,e.rollback&&e.rollback();for(var t in e)e[t]=null}function P(e){try{{e.parentNode.nodeType}}catch(t){return!0}return 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m=v.replace(Hr,""),g=v!==m,y={type:p,param:d,element:e,name:h,value:m,oneTime:g,uuid:h+"-"+j(e),priority:(Pr[p]||10*p.charCodeAt(0))+(Number(d.replace(/\D/g,""))||0)};if("html"===p||"text"===p){var b=lt(v);avalon.mix(y,b),y.filters=y.filters.replace(Yr,function(){return y.type="html",y.group=1,""})}else if("duplex"===p)var x=h;else"ms-if-loop"===h&&(y.priority+=100);l.push(y),"widget"===p&&(e.msData=e.msData||c)}}if(l.length){for(l.sort(nt),s.forEach(function(t){n("warning!请改用"+t[1]+"代替"+t[0]+"!"),e.removeAttribute(t[0]),e.setAttribute(t[1],t[2])}),x&&c["ms-attr-value"]&&!e.scopeName&&"text"===e.type&&n("warning!一个控件不能同时定义ms-attr-value与"+x),f=0;y=l[f];f++){if(p=y.type,Rr.test(p))return tt(l.slice(0,f+1),t);a&&(a=!Ir.test(p))}tt(l,t)}}a&&!Sr[e.tagName]&&yn.test(e.innerHTML.replace(Jr,"<").replace(Zr,">"))&&(Lr&&Lr(e),at(e,t))}function at(e,t){var n=avalon.slice(e.childNodes);it(n,t)}function it(e,t){for(var n,r=0;n=e[r++];)switch(n.nodeType){case 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diff --git a/dist/avalon.mobile.js b/dist/avalon.mobile.js
index 62f262e18..97f9f1c7c 100644
--- a/dist/avalon.mobile.js
+++ b/dist/avalon.mobile.js
@@ -5,7 +5,7 @@
  http://weibo.com/jslouvre/
  
  Released under the MIT license
- avalon.mobile.js 1.4.7 built in 2015.10.12
+ avalon.mobile.js 1.4.7 built in 2015.10.13
  support IE10+ and other browsers
  ==================================================*/
 (function(global, factory) {
@@ -3476,6 +3476,9 @@ bindingHandlers.repeat = function (data, vmodels) {
         }
     }
 
+    data.handler = noop
+    avalon.injectBinding(data)
+
     var elem = data.element
     if (elem.nodeType === 1) {
         elem.removeAttribute(data.name)
@@ -3544,7 +3547,12 @@ bindingExecutors.repeat = function (method, pos, el) {
 
         if (data.xtype === "array") {
             if (old.length === neo.length) {
-                return
+                if (old !== neo && old.length > 0) {
+                    bindingExecutors.repeat.call(this, 'clear', pos, el)
+                }
+                else {
+                    return
+                }
             }
             method = "add"
             pos = 0
diff --git a/dist/avalon.mobile.min.js b/dist/avalon.mobile.min.js
index eab50ae7a..7dbfc57fd 100644
--- a/dist/avalon.mobile.min.js
+++ b/dist/avalon.mobile.min.js
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d={events:["swipe","swipeleft","swiperight","swipeup","swipedown"],getAngle:function(e,t){var n=Math.atan2(t,e),a=Math.round(180*n/Math.PI);return 0>a?360-Math.abs(a):a},getDirection:function(e,t){var n=d.getAngle(e,t);return 45>=n&&n>=0?"left":360>=n&&n>=315?"left":n>=135&&225>=n?"right":n>45&&135>n?"down":"up"},touchstart:function(e){l.start(e,i)},touchmove:function(e){l.move(e,i)},touchend:function(e){1===e.changedTouches.length&&l.end(e,function(t,n){var a=t.distance>30&&t.distance/t.duration>.65;if(a){var r={deltaX:t.deltaX,deltaY:t.deltaY,touch:n,touchEvent:e,direction:d.getDirection(t.deltaX,t.deltaY),isVertical:t.isVertical},i=t.element;l.fire(i,"swipe",r),l.fire(i,"swipe"+r.direction,r)}})}};d.touchcancel=d.touchend,l.add("swipe",d)},"function"==typeof define&&define.amd&&define("avalon",[],function(){return avalon});var La=e.avalon;return avalon.noConflict=function(t){return t&&e.avalon===avalon&&(e.avalon=La),avalon},void 0===t&&(e.avalon=avalon),avalon});
\ No newline at end of file
diff --git a/dist/avalon.mobile.old.js b/dist/avalon.mobile.old.js
index 21916e145..1cc90f461 100644
--- a/dist/avalon.mobile.old.js
+++ b/dist/avalon.mobile.old.js
@@ -5,7 +5,7 @@
  http://weibo.com/jslouvre/
  
  Released under the MIT license
- avalon.mobile.old.js 1.4.7 built in 2015.10.12
+ avalon.mobile.old.js 1.4.7 built in 2015.10.13
  support IE8 and other browsers
  ==================================================*/
 (function(global, factory) {
@@ -4158,6 +4158,9 @@ bindingHandlers.repeat = function (data, vmodels) {
         }
     }
 
+    data.handler = noop
+    avalon.injectBinding(data)
+
     var elem = data.element
     if (elem.nodeType === 1) {
         elem.removeAttribute(data.name)
@@ -4226,7 +4229,12 @@ bindingExecutors.repeat = function (method, pos, el) {
 
         if (data.xtype === "array") {
             if (old.length === neo.length) {
-                return
+                if (old !== neo && old.length > 0) {
+                    bindingExecutors.repeat.call(this, 'clear', pos, el)
+                }
+                else {
+                    return
+                }
             }
             method = "add"
             pos = 0
diff --git a/dist/avalon.mobile.shim.js b/dist/avalon.mobile.shim.js
index 9097792d1..2260ee889 100644
--- a/dist/avalon.mobile.shim.js
+++ b/dist/avalon.mobile.shim.js
@@ -5,7 +5,7 @@
  http://weibo.com/jslouvre/
  
  Released under the MIT license
- avalon.mobile.shim.js 1.4.7 built in 2015.10.12
+ avalon.mobile.shim.js 1.4.7 built in 2015.10.13
  ==================================================*/
 (function(global, factory) {
 
@@ -3475,6 +3475,9 @@ bindingHandlers.repeat = function (data, vmodels) {
         }
     }
 
+    data.handler = noop
+    avalon.injectBinding(data)
+
     var elem = data.element
     if (elem.nodeType === 1) {
         elem.removeAttribute(data.name)
@@ -3543,7 +3546,12 @@ bindingExecutors.repeat = function (method, pos, el) {
 
         if (data.xtype === "array") {
             if (old.length === neo.length) {
-                return
+                if (old !== neo && old.length > 0) {
+                    bindingExecutors.repeat.call(this, 'clear', pos, el)
+                }
+                else {
+                    return
+                }
             }
             method = "add"
             pos = 0
diff --git a/dist/avalon.modern.js b/dist/avalon.modern.js
index b75ed8ff4..349611cb3 100644
--- a/dist/avalon.modern.js
+++ b/dist/avalon.modern.js
@@ -5,7 +5,7 @@
  http://weibo.com/jslouvre/
  
  Released under the MIT license
- avalon.modern.js 1.4.7 built in 2015.10.12
+ avalon.modern.js 1.4.7 built in 2015.10.13
  support IE10+ and other browsers
  ==================================================*/
 (function(global, factory) {
@@ -3476,6 +3476,9 @@ bindingHandlers.repeat = function (data, vmodels) {
         }
     }
 
+    data.handler = noop
+    avalon.injectBinding(data)
+
     var elem = data.element
     if (elem.nodeType === 1) {
         elem.removeAttribute(data.name)
@@ -3544,7 +3547,12 @@ bindingExecutors.repeat = function (method, pos, el) {
 
         if (data.xtype === "array") {
             if (old.length === neo.length) {
-                return
+                if (old !== neo && old.length > 0) {
+                    bindingExecutors.repeat.call(this, 'clear', pos, el)
+                }
+                else {
+                    return
+                }
             }
             method = "add"
             pos = 0
diff --git a/dist/avalon.modern.min.js b/dist/avalon.modern.min.js
index fa3b9c598..9d669d54f 100644
--- a/dist/avalon.modern.min.js
+++ b/dist/avalon.modern.min.js
@@ -1,2 +1,2 @@
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diff --git a/dist/avalon.modern.shim.js b/dist/avalon.modern.shim.js
index a30339284..f4d7c7e38 100644
--- a/dist/avalon.modern.shim.js
+++ b/dist/avalon.modern.shim.js
@@ -5,7 +5,7 @@
  http://weibo.com/jslouvre/
  
  Released under the MIT license
- avalon.modern.shim.js(无加载器版本) 1.4.7 built in 2015.10.12
+ avalon.modern.shim.js(无加载器版本) 1.4.7 built in 2015.10.13
  support IE10+ and other browsers
  ==================================================*/
 (function(global, factory) {
@@ -3476,6 +3476,9 @@ bindingHandlers.repeat = function (data, vmodels) {
         }
     }
 
+    data.handler = noop
+    avalon.injectBinding(data)
+
     var elem = data.element
     if (elem.nodeType === 1) {
         elem.removeAttribute(data.name)
@@ -3544,7 +3547,12 @@ bindingExecutors.repeat = function (method, pos, el) {
 
         if (data.xtype === "array") {
             if (old.length === neo.length) {
-                return
+                if (old !== neo && old.length > 0) {
+                    bindingExecutors.repeat.call(this, 'clear', pos, el)
+                }
+                else {
+                    return
+                }
             }
             method = "add"
             pos = 0
diff --git a/dist/avalon.shim.js b/dist/avalon.shim.js
index 101a3bdb3..3acce764d 100644
--- a/dist/avalon.shim.js
+++ b/dist/avalon.shim.js
@@ -5,7 +5,7 @@
  http://weibo.com/jslouvre/
  
  Released under the MIT license
- avalon.shim.js(无加载器版本) 1.4.7 built in 2015.10.12
+ avalon.shim.js(无加载器版本) 1.4.7 built in 2015.10.13
  support IE6+ and other browsers
  ==================================================*/
 (function(global, factory) {
@@ -4158,6 +4158,9 @@ bindingHandlers.repeat = function (data, vmodels) {
         }
     }
 
+    data.handler = noop
+    avalon.injectBinding(data)
+
     var elem = data.element
     if (elem.nodeType === 1) {
         elem.removeAttribute(data.name)
@@ -4226,7 +4229,12 @@ bindingExecutors.repeat = function (method, pos, el) {
 
         if (data.xtype === "array") {
             if (old.length === neo.length) {
-                return
+                if (old !== neo && old.length > 0) {
+                    bindingExecutors.repeat.call(this, 'clear', pos, el)
+                }
+                else {
+                    return
+                }
             }
             method = "add"
             pos = 0
diff --git a/src/19 directive/repeat.js b/src/19 directive/repeat.js
index 479da48ae..d3d2effa1 100644
--- a/src/19 directive/repeat.js	
+++ b/src/19 directive/repeat.js	
@@ -100,8 +100,8 @@ bindingExecutors.repeat = function (method, pos, el) {
 
         if (data.xtype === "array") {
             if (old.length === neo.length) {
-                if (old != neo && old.length > 0) {
-                    arguments.callee.call(this, 'clear', pos, el)
+                if (old !== neo && old.length > 0) {
+                    bindingExecutors.repeat.call(this, 'clear', pos, el)
                 }
                 else {
                     return