diff --git a/README.md b/README.md
index 51cb75b..1e8db37 100644
--- a/README.md
+++ b/README.md
@@ -16,11 +16,12 @@ new Donate({
 });
 ```
 
-# API 
+# API
 
 - show() - 显示模态框
 - hide() - 隐藏模态框
+- destroy() - 销毁
 
 # License
 
-This content is released under the [MIT](http://opensource.org/licenses/MIT) License.
\ No newline at end of file
+This content is released under the [MIT](http://opensource.org/licenses/MIT) License.
diff --git a/dist/vdonate.min.js b/dist/vdonate.min.js
index bb0cbbd..cecde98 100644
--- a/dist/vdonate.min.js
+++ b/dist/vdonate.min.js
@@ -1 +1 @@
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\ No newline at end of file
+!function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e():"function"==typeof define&&define.amd?define("Donate",[],e):"object"==typeof exports?exports.Donate=e():t.Donate=e()}(this,function(){return function(t){function e(o){if(n[o])return n[o].exports;var a=n[o]={i:o,l:!1,exports:{}};return t[o].call(a.exports,a,a.exports,e),a.l=!0,a.exports}var n={};return e.m=t,e.c=n,e.i=function(t){return t},e.d=function(t,n,o){e.o(t,n)||Object.defineProperty(t,n,{configurable:!1,enumerable:!0,get:o})},e.n=function(t){var n=t&&t.__esModule?function(){return t.default}:function(){return t};return e.d(n,"a",n),n},e.o=function(t,e){return Object.prototype.hasOwnProperty.call(t,e)},e.p="./",e(e.s=5)}([function(t,e,n){function o(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}var a="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t},i=function(){function t(t,e){for(var n=0;n<e.length;n++){var o=e[n];o.enumerable=o.enumerable||!1,o.configurable=!0,"value"in o&&(o.writable=!0),Object.defineProperty(t,o.key,o)}}return function(e,n,o){return n&&t(e.prototype,n),o&&t(e,o),e}}();n(2);var r={title:"如果觉得我的文章对您有用，请随意打赏。您的支持将鼓励我继续创作!",btnText:"打赏支持"},d=document.body,s=function(){function t(e){if(o(this,t),arguments[0]&&"object"===a(arguments[0])&&(this.options=Object.assign({},r,e)),!this.options.wechatImage)throw new Error("wechatImage is required");if(!this.options.alipayImage)throw new Error("alipayImage is required");this.el=this.options.el&&this.options.el,this.render(),this.bind()}return i(t,[{key:"render",value:function(){var t='\n      <div class="donate-modal-background">\n        <div class="donate-modal">\n          <p class="donate-quote">\n            <i class="donate-quote-left"></i>\n            <span class="donate-quote-word">'+this.options.title+'</span>\n            <i class="donate-quote-right"></i>\n          </p>\n          <div class="donate-tab">\n            <a href="javascript:;" class="donate-wechat active" data-index="0">微信</a>\n            <a href="javascript:;" class="donate-alipay" data-index="1">支付宝</a>\n            <img src="'+this.options.wechatImage+'" alt="wechat" class="donate-image active">\n            <img src="'+this.options.alipayImage+'" alt="alipay" class="donate-image">\n          </div>\n        </div>\n      </div>\n    ',e='\n      <a href="javascript:;" class="donate-btn"><i class="donate-qrcode"></i>'+this.options.btnText+"</a>\n    ";this.el&&(this.el.innerHTML=e),this.modal=document.createElement("div"),this.modal.innerHTML=t,this.modal.id="donate-modal-container",d.appendChild(this.modal)}},{key:"bind",value:function(){var t=this;this.btns=this.modal.querySelectorAll(".donate-tab a"),this.images=this.modal.querySelectorAll(".donate-tab .donate-image"),this.modal.addEventListener("click",this._modalEvent.bind(t),!1),this.el&&this.el.addEventListener("click",this._donateBtnEvent.bind(t),!1)}},{key:"_modalEvent",value:function(t){if(t.stopPropagation(),t.target.dataset.index)return[].slice.call(this.btns).forEach(function(t){t.classList.toggle("active")}),void[].slice.call(this.images).forEach(function(t){t.classList.toggle("active")});this.hide()}},{key:"_donateBtnEvent",value:function(t){"donate-btn"===t.target.className&&this.show()}},{key:"show",value:function(){this.modal.classList.add("active")}},{key:"hide",value:function(){this.modal.classList.remove("active")}},{key:"destroy",value:function(){var t=this;this.modal.removeEventListener("click",this._modalEvent.bind(t),!1),this.el.removeEventListener("click",this._donateBtnEvent.bind(t),!1)}}]),t}();t.exports=s},function(t,e){function n(t,e){for(var n=0;n<t.length;n++){var o=t[n],a=p[o.id];if(a){a.refs++;for(var i=0;i<a.parts.length;i++)a.parts[i](o.parts[i]);for(;i<o.parts.length;i++)a.parts.push(s(o.parts[i],e))}else{for(var r=[],i=0;i<o.parts.length;i++)r.push(s(o.parts[i],e));p[o.id]={id:o.id,refs:1,parts:r}}}}function o(t){for(var e=[],n={},o=0;o<t.length;o++){var a=t[o],i=a[0],r=a[1],d=a[2],s=a[3],l={css:r,media:d,sourceMap:s};n[i]?n[i].parts.push(l):e.push(n[i]={id:i,parts:[l]})}return e}function a(t,e){var n=m(),o=g[g.length-1];if("top"===t.insertAt)o?o.nextSibling?n.insertBefore(e,o.nextSibling):n.appendChild(e):n.insertBefore(e,n.firstChild),g.push(e);else{if("bottom"!==t.insertAt)throw new Error("Invalid value for parameter 'insertAt'. 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cubic-bezier(.165,.84,.44,1) forwards}#donate-modal-container .donate-quote{padding:0;margin:0}#donate-modal-container .donate-quote-left{display:inline-block;vertical-align:text-bottom;width:32px;height:32px;background:url("https://ooo.0o0.ooo/2017/03/09/58c158afac35c.png")}#donate-modal-container .donate-quote-word{font-size:20px;color:#333}#donate-modal-container .donate-quote-right{display:inline-block;vertical-align:text-bottom;width:32px;height:32px;background:url("https://ooo.0o0.ooo/2017/03/09/58c1584d5fd9d.png")}#donate-modal-container .donate-tab{margin-top:20px;font-size:0}#donate-modal-container .donate-tab a{display:inline-block;padding:10px 0;width:120px;font-size:16px;text-decoration:none;color:#333;background-color:#eee;transition:all .3s}#donate-modal-container .donate-tab .donate-wechat.active{background-color:#44b549;color:#fff}#donate-modal-container .donate-tab .donate-alipay.active{background-color:#059AE3;color:#fff}#donate-modal-container .donate-image{display:none;min-height:450px;max-width:300px;margin:20px auto}#donate-modal-container .donate-image.active{display:block}#donate-modal-container .donate-modal-background{display:table-cell;background:rgba(0,0,0,.8);text-align:center;vertical-align:middle}#donate-modal-container .donate-modal-background .donate-modal{display:inline-block;position:relative;box-sizing:border-box;background:#fff;max-width:900px;padding:50px;border-radius:3px;font-weight:300}.donate-btn{display:inline-block;padding:8px 16px;border-radius:5px;background-color:#44b549;color:#fff;text-decoration:none;margin-bottom:20px;transition:all .3s}.donate-btn:hover{opacity:.8}.donate-btn .donate-qrcode{display:inline-block;padding-right:5px;vertical-align:-2px;width:16px;height:16px;background:url("https://ooo.0o0.ooo/2017/03/09/58c16b1f3eaa4.png") no-repeat}@keyframes blowUpModal{0%{transform:scale(0)}100%{transform:scale(1)}}@media (max-width:768px){#donate-modal-container .donate-modal-background .donate-modal{padding:20px;width:100%}#donate-modal-container .donate-modal-background .donate-image{width:100%}}',""])},function(t,e){t.exports=function(){var t=[];return t.toString=function(){for(var t=[],e=0;e<this.length;e++){var n=this[e];n[2]?t.push("@media "+n[2]+"{"+n[1]+"}"):t.push(n[1])}return t.join("")},t.i=function(e,n){"string"==typeof e&&(e=[[null,e,""]]);for(var o={},a=0;a<this.length;a++){var i=this[a][0];"number"==typeof i&&(o[i]=!0)}for(a=0;a<e.length;a++){var r=e[a];"number"==typeof r[0]&&o[r[0]]||(n&&!r[2]?r[2]=n:n&&(r[2]="("+r[2]+") and ("+n+")"),t.push(r))}},t}},function(t,e,n){t.exports=n(0)}])});
\ No newline at end of file
diff --git a/package.json b/package.json
index 2786b8e..10a8fca 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vdonate",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "description": "为你的网站增加个微信、支付宝二维码，方便读者打赏",
   "main": "./dist/vdonate.min.js",
   "scripts": {
diff --git a/src/app.js b/src/app.js
index f6d90a9..1dc1b4e 100644
--- a/src/app.js
+++ b/src/app.js
@@ -3,7 +3,7 @@ require('./app.scss');
 const defaults = {
   title: '如果觉得我的文章对您有用，请随意打赏。您的支持将鼓励我继续创作!',
   btnText: '打赏支持'
-}
+};
 
 const bd = document.body;
 
@@ -37,13 +37,13 @@ class Donate {
           </p>
           <div class="donate-tab">
             <a href="javascript:;" class="donate-wechat active" data-index="0">微信</a>
-            <a href="javascript:;" class="donate-alipay" data-index="1">支付宝</a> 
+            <a href="javascript:;" class="donate-alipay" data-index="1">支付宝</a>
             <img src="${this.options.wechatImage}" alt="wechat" class="donate-image active">
             <img src="${this.options.alipayImage}" alt="alipay" class="donate-image">
           </div>
         </div>
       </div>
-    `;
+    `
 
     var btnTpl = `
       <a href="javascript:;" class="donate-btn"><i class="donate-qrcode"></i>${this.options.btnText}</a>
@@ -57,35 +57,39 @@ class Donate {
   }
 
   bind() {
-    var btns = this.modal.querySelectorAll('.donate-tab a');
-    var images = this.modal.querySelectorAll('.donate-tab .donate-image');
-
-    this.modal.addEventListener('click', (e) => {
-      e.stopPropagation();
-      var index = e.target.dataset.index;
-      if (index) {
-        [].slice.call(btns).forEach((btn) => {
-          btn.classList.toggle('active');
-        });
-        [].slice.call(images).forEach((image) => {
-          image.classList.toggle('active');
-        });
-        return;
-      }
-
-      this.hide();
-
-    }, false);
+    var self = this;
+    this.btns = this.modal.querySelectorAll('.donate-tab a');
+    this.images = this.modal.querySelectorAll('.donate-tab .donate-image');
+
+    this.modal.addEventListener('click', this._modalEvent.bind(self), false);
 
     if (!this.el) {
       return;
     }
 
-    this.el.addEventListener('click', (e) => {
-      if (e.target.className === 'donate-btn') {
-        this.show();
-      }
-    }, false);
+    this.el.addEventListener('click', this._donateBtnEvent.bind(self), false);
+  }
+
+  _modalEvent(e) {
+    e.stopPropagation();
+    var index = e.target.dataset.index;
+    if (index) {
+      [].slice.call(this.btns).forEach((btn) => {
+        btn.classList.toggle('active');
+      });
+      [].slice.call(this.images).forEach((image) => {
+        image.classList.toggle('active');
+      });
+      return;
+    }
+
+    this.hide();
+  }
+
+  _donateBtnEvent(e) {
+    if (e.target.className === 'donate-btn') {
+      this.show();
+    }
   }
 
   show() {
@@ -95,6 +99,13 @@ class Donate {
   hide() {
     this.modal.classList.remove('active');
   }
+
+  destroy() {
+    var self = this;
+    this.modal.removeEventListener('click', this._modalEvent.bind(self), false);
+    this.el.removeEventListener('click', this._donateBtnEvent.bind(self), false);
+  }
+
 }
 
-module.exports = Donate;
\ No newline at end of file
+module.exports = Donate;