diff --git a/dist/jquery-ajax-cache.js b/dist/jquery-ajax-cache.js
index 4b8ad1b..dad0ee2 100644
--- a/dist/jquery-ajax-cache.js
+++ b/dist/jquery-ajax-cache.js
@@ -209,14 +209,14 @@ return /******/ (function(modules) { // webpackBootstrap
 
 	    _createClass(CacheProxy, [{
 	        key: 'genCacheKey',
-	        value: function genCacheKey(AjaxOptions, originalOptions) {
-	            var dataString = AjaxOptions.data;
-	            var key;
+	        value: function genCacheKey(options, originalOptions) {
+	            var dataOrigin = originalOptions.data || {};
+	            var key, dataString;
 	            try {
 	                if (typeof dataString !== 'string') {
-	                    dataString = JSON.stringify(AjaxOptions.data);
+	                    dataString = JSON.stringify(dataOrigin);
 	                }
-	                key = AjaxOptions.ajaxCache.cacheKey || AjaxOptions.url.replace(/jQuery.*/, '') + AjaxOptions.type.toUpperCase() + (dataString || '') + (AjaxOptions.ajaxCache.version || _config.defaultDataVersion);
+	                key = originalOptions.ajaxCache.cacheKey || originalOptions.url.replace(/jQuery.*/, '') + options.type.toUpperCase() + (dataString || '') + (originalOptions.ajaxCache.version || _config.defaultDataVersion);
 	                console.log(key);
 	                key = md5(key);
 	            } catch (e) {
diff --git a/dist/jquery-ajax-cache.min.js b/dist/jquery-ajax-cache.min.js
index 2ef9e01..f48e78f 100644
--- a/dist/jquery-ajax-cache.min.js
+++ b/dist/jquery-ajax-cache.min.js
@@ -5,4 +5,4 @@
  *     (c) 2013-2015 WQTeam, MIT license
  * 
  */
-!function(e,t){if("object"==typeof exports&&"object"==typeof module)module.exports=t();else if("function"==typeof define&&define.amd)define([],t);else{var r=t();for(var n in r)("object"==typeof exports?exports:e)[n]=r[n]}}(this,function(){return function(e){function t(n){if(r[n])return r[n].exports;var a=r[n]={exports:{},id:n,loaded:!1};return e[n].call(a.exports,a,a.exports,t),a.loaded=!0,a.exports}var r={};return t.m=e,t.c=r,t.p="",t(0)}([function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.$ajaxCache=void 0;var n,a=r(2),o=r(4),i=r(1);window[i.globalCachePluginName]?console.warn(i.globalCachePluginName+" has existed!"):(window.$||console.error("can not find jQuery in global!!"),t.$ajaxCache=n=new a.AjaxCache($),(0,o.addFilterToJquery)(n)),t.$ajaxCache=n},function(e,t){"use strict";function r(e){return console.warn("There is no cacheValidate function!!"),!1}Object.defineProperty(t,"__esModule",{value:!0}),t.defaultCacheValidate=r;t.defaultTimeout=3600,t.defaultStorageType="localStorage",t.defaultDataVersion="1.0.0",t.globalCachePluginName="$ajaxCache"},function(e,t,r){"use strict";function n(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var a=function(){function e(e,t){for(var r=0;r<t.length;r++){var n=t[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,n.key,n)}}return function(t,r,n){return r&&e(t.prototype,r),n&&e(t,n),t}}();Object.defineProperty(t,"__esModule",{value:!0}),t.AjaxCache=void 0;var o=r(3);t.AjaxCache=function(){function e(t){n(this,e),this.$=t,this.cacheProxy=new o.CacheProxy}return a(e,[{key:"config",value:function(e){this.cacheProxy=new o.CacheProxy(e)}},{key:"getCacheProxy",value:function(){return this.cacheProxy}},{key:"deleteAllExpires",value:function(){this.cacheProxy.deleteAllExpires()}}]),e}()},function(e,t,r){"use strict";function n(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function a(e,t){for(var r in t)e[r]=t[r];return e}var o=function(){function e(e,t){for(var r=0;r<t.length;r++){var n=t[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,n.key,n)}}return function(t,r,n){return r&&e(t.prototype,r),n&&e(t,n),t}}();Object.defineProperty(t,"__esModule",{value:!0}),t.CacheProxy=void 0;var i=r(1),c=r(6),u=r(5);t.CacheProxy=function(){function e(t){n(this,e);var r={timeout:i.defaultTimeout,storageType:i.defaultStorageType,dataVersion:i.defaultDataVersion,cacheValidate:i.defaultCacheValidate},o=a(r,t);this.defaultTimeout=o.timeout,this.storageType=o.storageType,this.dataVersion=o.dataVersion,this.cacheValidate=o.cacheValidate,this.storageMap={sessionStorage:new c({storage:"sessionStorage"}),localStorage:new c({storage:"localStorage"})},this.deleteAllExpires()}return o(e,[{key:"genCacheKey",value:function(e,t){var r,n=e.data;try{"string"!=typeof n&&(n=JSON.stringify(e.data)),r=e.ajaxCache.cacheKey||e.url.replace(/jQuery.*/,"")+e.type.toUpperCase()+(n||"")+(e.ajaxCache.version||i.defaultDataVersion),console.log(r),r=u(r)}catch(a){console.error(a)}return console.log(r),r}},{key:"getStorage",value:function(e){return this.storageMap[e]||this.storageMap[this.storageType]||this.storageMap.localStorage}},{key:"getCacheValidateFun",value:function(){return this.cacheValidate}},{key:"deleteAllExpires",value:function(){this.storageMap.sessionStorage.deleteAllExpires(),this.storageMap.localStorage.deleteAllExpires()}}]),e}()},function(e,t){"use strict";function r(e){var t=e.$;t.ajaxPrefilter(function(t,r,n){var a=e.getCacheProxy(),o=t.ajaxCache;if(o){var i=a.getStorage(o.storageType);if(i.isSupported())try{var c=a.genCacheKey(t,r),u=i.get(c);u||(t.success&&(t.realsuccess=t.success),t.success=function(e){var r=a.defaultTimeout;"number"==typeof o.timeout&&(r=o.timeout);try{var n=o.cacheValidate||a.getCacheValidateFun();"function"==typeof n?n.call(null,e,t)&&i.set(c,e,{exp:r}):console.error("cacheValidate must be a Function")}catch(u){console.error(u)}t.realsuccess&&t.realsuccess(e)})}catch(s){console.error(s)}}}),t.ajaxTransport("+*",function(t,r,n){var a=e.getCacheProxy(),o=t.ajaxCache;if(o){var i=a.getStorage(o.storageType);if(!i.isSupported())return;var c=a.genCacheKey(t,r),u=i.get(c);if(u)return console.log("read from localStorage cacahe!!"),{send:function(e,t){var r={};r.json=u,t(200,"success",r,"")},abort:function(){console.log("Aborted ajax transport for json cache.")}}}})}Object.defineProperty(t,"__esModule",{value:!0}),t.addFilterToJquery=r},function(e,t,r){var n;!function(a){"use strict";function o(e,t){var r=(65535&e)+(65535&t),n=(e>>16)+(t>>16)+(r>>16);return n<<16|65535&r}function 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c({storage:"sessionStorage"}),localStorage:new c({storage:"localStorage"})},this.deleteAllExpires()}return o(e,[{key:"genCacheKey",value:function(e,t){var r,n,a=t.data||{};try{"string"!=typeof n&&(n=JSON.stringify(a)),r=t.ajaxCache.cacheKey||t.url.replace(/jQuery.*/,"")+e.type.toUpperCase()+(n||"")+(t.ajaxCache.version||i.defaultDataVersion),console.log(r),r=u(r)}catch(o){console.error(o)}return console.log(r),r}},{key:"getStorage",value:function(e){return this.storageMap[e]||this.storageMap[this.storageType]||this.storageMap.localStorage}},{key:"getCacheValidateFun",value:function(){return this.cacheValidate}},{key:"deleteAllExpires",value:function(){this.storageMap.sessionStorage.deleteAllExpires(),this.storageMap.localStorage.deleteAllExpires()}}]),e}()},function(e,t){"use strict";function r(e){var t=e.$;t.ajaxPrefilter(function(t,r,n){var a=e.getCacheProxy(),o=t.ajaxCache;if(o){var i=a.getStorage(o.storageType);if(i.isSupported())try{var c=a.genCacheKey(t,r),u=i.get(c);u||(t.success&&(t.realsuccess=t.success),t.success=function(e){var r=a.defaultTimeout;"number"==typeof o.timeout&&(r=o.timeout);try{var n=o.cacheValidate||a.getCacheValidateFun();"function"==typeof n?n.call(null,e,t)&&i.set(c,e,{exp:r}):console.error("cacheValidate must be a Function")}catch(u){console.error(u)}t.realsuccess&&t.realsuccess(e)})}catch(s){console.error(s)}}}),t.ajaxTransport("+*",function(t,r,n){var a=e.getCacheProxy(),o=t.ajaxCache;if(o){var i=a.getStorage(o.storageType);if(!i.isSupported())return;var c=a.genCacheKey(t,r),u=i.get(c);if(u)return console.log("read from localStorage cacahe!!"),{send:function(e,t){var r={};r.json=u,t(200,"success",r,"")},abort:function(){console.log("Aborted ajax transport for json cache.")}}}})}Object.defineProperty(t,"__esModule",{value:!0}),t.addFilterToJquery=r},function(e,t,r){var n;!function(a){"use strict";function o(e,t){var r=(65535&e)+(65535&t),n=(e>>16)+(t>>16)+(r>>16);return n<<16|65535&r}function i(e,t){return e<<t|e>>>32-t}function c(e,t,r,n,a,c){return o(i(o(o(t,e),o(n,c)),a),r)}function u(e,t,r,n,a,o,i){return c(t&r|~t&n,e,t,a,o,i)}function s(e,t,r,n,a,o,i){return c(t&n|r&~n,e,t,a,o,i)}function l(e,t,r,n,a,o,i){return c(t^r^n,e,t,a,o,i)}function f(e,t,r,n,a,o,i){return c(r^(t|~n),e,t,a,o,i)}function h(e,t){e[t>>5]|=128<<t%32,e[(t+64>>>9<<4)+14]=t;var r,n,a,i,c,h=1732584193,d=-271733879,g=-1732584194,p=271733878;for(r=0;r<e.length;r+=16)n=h,a=d,i=g,c=p,h=u(h,d,g,p,e[r],7,-680876936),p=u(p,h,d,g,e[r+1],12,-389564586),g=u(g,p,h,d,e[r+2],17,606105819),d=u(d,g,p,h,e[r+3],22,-1044525330),h=u(h,d,g,p,e[r+4],7,-176418897),p=u(p,h,d,g,e[r+5],12,1200080426),g=u(g,p,h,d,e[r+6],17,-1473231341),d=u(d,g,p,h,e[r+7],22,-45705983),h=u(h,d,g,p,e[r+8],7,1770035416),p=u(p,h,d,g,e[r+9],12,-1958414417),g=u(g,p,h,d,e[r+10],17,-42063),d=u(d,g,p,h,e[r+11],22,-1990404162),h=u(h,d,g,p,e[r+12],7,1804603682),p=u(p,h,d,g,e[r+13],12,-40341101),g=u(g,p,h,d,e[r+14],17,-1502002290),d=u(d,g,p,h,e[r+15],22,1236535329),h=s(h,d,g,p,e[r+1],5,-165796510),p=s(p,h,d,g,e[r+6],9,-1069501632),g=s(g,p,h,d,e[r+11],14,643717713),d=s(d,g,p,h,e[r],20,-373897302),h=s(h,d,g,p,e[r+5],5,-701558691),p=s(p,h,d,g,e[r+10],9,38016083),g=s(g,p,h,d,e[r+15],14,-660478335),d=s(d,g,p,h,e[r+4],20,-405537848),h=s(h,d,g,p,e[r+9],5,568446438),p=s(p,h,d,g,e[r+14],9,-1019803690),g=s(g,p,h,d,e[r+3],14,-187363961),d=s(d,g,p,h,e[r+8],20,1163531501),h=s(h,d,g,p,e[r+13],5,-1444681467),p=s(p,h,d,g,e[r+2],9,-51403784),g=s(g,p,h,d,e[r+7],14,1735328473),d=s(d,g,p,h,e[r+12],20,-1926607734),h=l(h,d,g,p,e[r+5],4,-378558),p=l(p,h,d,g,e[r+8],11,-2022574463),g=l(g,p,h,d,e[r+11],16,1839030562),d=l(d,g,p,h,e[r+14],23,-35309556),h=l(h,d,g,p,e[r+1],4,-1530992060),p=l(p,h,d,g,e[r+4],11,1272893353),g=l(g,p,h,d,e[r+7],16,-155497632),d=l(d,g,p,h,e[r+10],23,-1094730640),h=l(h,d,g,p,e[r+13],4,681279174),p=l(p,h,d,g,e[r],11,-358537222),g=l(g,p,h,d,e[r+3],16,-722521979),d=l(d,g,p,h,e[r+6],23,76029189),h=l(h,d,g,p,e[r+9],4,-640364487),p=l(p,h,d,g,e[r+12],11,-421815835),g=l(g,p,h,d,e[r+15],16,530742520),d=l(d,g,p,h,e[r+2],23,-995338651),h=f(h,d,g,p,e[r],6,-198630844),p=f(p,h,d,g,e[r+7],10,1126891415),g=f(g,p,h,d,e[r+14],15,-1416354905),d=f(d,g,p,h,e[r+5],21,-57434055),h=f(h,d,g,p,e[r+12],6,1700485571),p=f(p,h,d,g,e[r+3],10,-1894986606),g=f(g,p,h,d,e[r+10],15,-1051523),d=f(d,g,p,h,e[r+1],21,-2054922799),h=f(h,d,g,p,e[r+8],6,1873313359),p=f(p,h,d,g,e[r+15],10,-30611744),g=f(g,p,h,d,e[r+6],15,-1560198380),d=f(d,g,p,h,e[r+13],21,1309151649),h=f(h,d,g,p,e[r+4],6,-145523070),p=f(p,h,d,g,e[r+11],10,-1120210379),g=f(g,p,h,d,e[r+2],15,718787259),d=f(d,g,p,h,e[r+9],21,-343485551),h=o(h,n),d=o(d,a),g=o(g,i),p=o(p,c);return[h,d,g,p]}function d(e){var t,r="";for(t=0;t<32*e.length;t+=8)r+=String.fromCharCode(e[t>>5]>>>t%32&255);return r}function g(e){var t,r=[];for(r[(e.length>>2)-1]=void 0,t=0;t<r.length;t+=1)r[t]=0;for(t=0;t<8*e.length;t+=8)r[t>>5]|=(255&e.charCodeAt(t/8))<<t%32;return r}function p(e){return d(h(g(e),8*e.length))}function v(e,t){var r,n,a=g(e),o=[],i=[];for(o[15]=i[15]=void 0,a.length>16&&(a=h(a,8*e.length)),r=0;16>r;r+=1)o[r]=909522486^a[r],i[r]=1549556828^a[r];return n=h(o.concat(g(t)),512+8*t.length),d(h(i.concat(n),640))}function y(e){var t,r,n="0123456789abcdef",a="";for(r=0;r<e.length;r+=1)t=e.charCodeAt(r),a+=n.charAt(t>>>4&15)+n.charAt(15&t);return a}function x(e){return unescape(encodeURIComponent(e))}function m(e){return p(x(e))}function C(e){return y(m(e))}function b(e,t){return v(x(e),x(t))}function w(e,t){return y(b(e,t))}function j(e,t,r){return t?r?b(t,e):w(t,e):r?m(e):C(e)}n=function(){return j}.call(t,r,t,e),!(void 0!==n&&(e.exports=n))}(this)},function(e,t,r){var n,a;!function(o,i){n=i,a="function"==typeof n?n.call(t,r,t,e):n,!(void 0!==a&&(e.exports=a))}(this,function(){"use strict";function e(e,t){for(var r in t)e[r]=t[r];return e}function t(e){var t=!1;if(e&&e.setItem){t=!0;var r="__"+Math.round(1e7*Math.random());try{e.setItem(r,r),e.removeItem(r)}catch(n){t=!1}}return t}function r(e){var t=typeof e;return"string"===t?window[e]:e}function n(e){return"[object Date]"===Object.prototype.toString.call(e)&&!isNaN(e.getTime())}function a(e,t){if(t=t||new Date,"number"==typeof e?e=e===1/0?f:new Date(t.getTime()+1e3*e):"string"==typeof e&&(e=new Date(e)),e&&!n(e))throw new Error("`expires` parameter cannot be converted to a valid Date instance");return e}function o(e){var t=!1;if(e)if(e.code)switch(e.code){case 22:t=!0;break;case 1014:"NS_ERROR_DOM_QUOTA_REACHED"===e.name&&(t=!0)}else-2147024882===e.number&&(t=!0);return t}function i(e,t){this.c=(new Date).getTime(),t=t||f;var r=a(t);this.e=r.getTime(),this.v=e}function c(e){return e&&"c"in e&&"e"in e&&"v"in e?!0:!1}function u(e){var t=(new Date).getTime();return t<e.e}function s(e){return"string"!=typeof e&&(console.warn(e+" used as a key, but it is not a string."),e=String(e)),e}function l(n){var a={storage:"localStorage",exp:1/0},o=e(a,n),i=r(o.storage),c=t(i);this.isSupported=function(){return c},c?(this.storage=i,this.quotaExceedHandler=function(e,t,r){if(console.warn("Quota exceeded!"),r&&r.force===!0){var n=this.deleteAllExpires();console.warn("delete all expires CacheItem : ["+n+"] and try execute `set` method again!");try{r.force=!1,this.set(e,t,r)}catch(a){console.warn(a)}}}):e(this,d)}var f=new Date("Fri, 31 Dec 9999 23:59:59 UTC"),h={serialize:function(e){return JSON.stringify(e)},deserialize:function(e){return e&&JSON.parse(e)}},d={set:function(){},get:function(){},"delete":function(){},deleteAllExpires:function(){},clear:function(){},add:function(){},replace:function(){},touch:function(){}},g={set:function(t,r,n){if(t=s(t),n=e({force:!0},n),void 0===r)return this["delete"](t);var a=h.serialize(r),c=new i(a,n.exp);try{this.storage.setItem(t,h.serialize(c))}catch(u){o(u)?this.quotaExceedHandler(t,a,n,u):console.error(u)}return r},get:function(e){e=s(e);var t=(this.storage.getItem(e),null);try{t=h.deserialize(this.storage.getItem(e))}catch(r){return null}if(c(t)){if(u(t)){var n=t.v;return h.deserialize(n)}this["delete"](e)}return null},"delete":function(e){return e=s(e),this.storage.removeItem(e),e},deleteAllExpires:function(){for(var e=this.storage.length,t=[],r=this,n=0;e>n;n++){var a=this.storage.key(n),o=null;try{o=h.deserialize(this.storage.getItem(a))}catch(i){}if(null!==o&&void 0!==o.e){var c=(new Date).getTime();c>=o.e&&t.push(a)}}return t.forEach(function(e){r["delete"](e)}),t},clear:function(){this.storage.clear()},add:function(t,r,n){t=s(t),n=e({force:!0},n);try{var a=h.deserialize(this.storage.getItem(t));if(!c(a)||!u(a))return this.set(t,r,n),!0}catch(o){return this.set(t,r,n),!0}return!1},replace:function(e,t,r){e=s(e);var n=null;try{n=h.deserialize(this.storage.getItem(e))}catch(a){return!1}if(c(n)){if(u(n))return this.set(e,t,r),!0;this["delete"](e)}return!1},touch:function(e,t){e=s(e);var r=(this.storage.getItem(e),null);try{r=h.deserialize(this.storage.getItem(e))}catch(n){return!1}if(c(r)){if(u(r))return this.set(e,this.get(e),{exp:t}),!0;this["delete"](e)}return!1}};return l.prototype=g,l})}])});
\ No newline at end of file
diff --git a/package.json b/package.json
index 5427640..2e18e03 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,7 @@
   "license": "MIT",
   "author": "wuchangming",
   "description": "Ajax Cache plugin backed by localStorage or sessionStorage for jQuery",
-  "version": "1.0.1",
+  "version": "1.0.2",
   "repository": {
     "type": "git",
     "url": "https://github.com/WQTeam/jquery-ajax-cache"
diff --git a/src/CacheProxy.js b/src/CacheProxy.js
index 87d493c..28353b8 100644
--- a/src/CacheProxy.js
+++ b/src/CacheProxy.js
@@ -39,14 +39,14 @@ export class CacheProxy {
         // 清除已过期数据
         this.deleteAllExpires();
     }
-    genCacheKey (AjaxOptions, originalOptions) {
-        var dataString = AjaxOptions.data;
-        var key;
+    genCacheKey (options, originalOptions) {
+        var dataOrigin = originalOptions.data || {};
+        var key,dataString;
         try {
             if (typeof dataString !== 'string') {
-                dataString = JSON.stringify(AjaxOptions.data);
+                dataString = JSON.stringify(dataOrigin);
             }
-            key = (AjaxOptions.ajaxCache.cacheKey || AjaxOptions.url.replace(/jQuery.*/,'') + AjaxOptions.type.toUpperCase() + (dataString || '') + (AjaxOptions.ajaxCache.version || defaultDataVersion))
+            key = (originalOptions.ajaxCache.cacheKey || originalOptions.url.replace(/jQuery.*/,'') + options.type.toUpperCase() + (dataString || '') + (originalOptions.ajaxCache.version || defaultDataVersion))
             console.log(key);
             key = md5(key);
         } catch (e) {
diff --git a/test/unit/test.api.js b/test/unit/test.api.js
index 001db27..2e0a5d6 100644
--- a/test/unit/test.api.js
+++ b/test/unit/test.api.js
@@ -283,7 +283,7 @@ describe('jquery-ajax-cache', function() {
         afterEach(function () {
             clock.restore();
         });
-        var customAjaxCache = function(sendData,callback) {
+        var customDefaultAjaxCache = function(sendData,callback) {
             $.ajax({
                 ajaxCache: {
                     cacheValidate: function () {
@@ -297,24 +297,92 @@ describe('jquery-ajax-cache', function() {
                 }
             });
         }
-        it('should request again when data is change', function () {
-            var callback = sinon.spy();
-            customAjaxCache({a:1}, callback);
-            server.requests[0].respond(
-                200,
-                { "Content-Type": "application/json" },
-                JSON.stringify({name: 'request 1'})
-            );
-            expect(callback).have.been.calledWithExactly({name: 'request 1'});
-            customAjaxCache({a:2}, callback);
-            server.requests[1].respond(
-                200,
-                { "Content-Type": "application/json" },
-                JSON.stringify({name: 'request 2'})
-            );
-            expect(callback).have.been.calledWithExactly({name: 'request 2'});
-            customAjaxCache({a:1}, callback);
-            expect(callback).have.been.calledWithExactly({name: 'request 1'});
+        var customOptionAjaxCache = function(sendData, callback, type) {
+            $.ajax({
+                ajaxCache: {
+                    cacheValidate: function () {
+                        return true;
+                    }
+                },
+                type: type,
+                data: sendData,
+                url:'config/cacheValidate/' + type,
+                success: function (data) {
+                    callback(data);
+                }
+            });
+        }
+        describe('#default', function() {
+            it('should request again when data is change', function () {
+                var callback1 = sinon.spy();
+                var callback2 = sinon.spy();
+                var callback3 = sinon.spy();
+
+                customDefaultAjaxCache({a:1}, callback1);
+                server.requests[0].respond(
+                    200,
+                    { "Content-Type": "application/json" },
+                    JSON.stringify({name: 'request 1'})
+                );
+                expect(callback1).have.been.calledWithExactly({name: 'request 1'});
+                customDefaultAjaxCache({a:2}, callback2);
+                server.requests[1].respond(
+                    200,
+                    { "Content-Type": "application/json" },
+                    JSON.stringify({name: 'request 2'})
+                );
+                expect(callback2).have.been.calledWithExactly({name: 'request 2'});
+                customDefaultAjaxCache({a:1}, callback3);
+                expect(callback3).have.been.calledWithExactly({name: 'request 1'});
+            })
+        })
+        describe('#post', function() {
+            it('should request again when data is change', function () {
+                var callback1 = sinon.spy();
+                var callback2 = sinon.spy();
+                var callback3 = sinon.spy();
+
+                customOptionAjaxCache({a:1}, callback1, 'POST');
+                server.requests[0].respond(
+                    200,
+                    { "Content-Type": "application/json" },
+                    JSON.stringify({name: 'request 1'})
+                );
+                expect(callback1).have.been.calledWithExactly({name: 'request 1'});
+                customOptionAjaxCache({a:2}, callback2, 'POST');
+                server.requests[1].respond(
+                    200,
+                    { "Content-Type": "application/json" },
+                    JSON.stringify({name: 'request 2'})
+                );
+                expect(callback2).have.been.calledWithExactly({name: 'request 2'});
+                customOptionAjaxCache({a:1}, callback3, 'POST');
+                expect(callback3).have.been.calledWithExactly({name: 'request 1'});
+            })
+        })
+        describe('#get', function() {
+            it('should request again when data is change', function () {
+                var callback1 = sinon.spy();
+                var callback2 = sinon.spy();
+                var callback3 = sinon.spy();
+
+                customOptionAjaxCache({a:1}, callback1, 'GET');
+                server.requests[0].respond(
+                    200,
+                    { "Content-Type": "application/json" },
+                    JSON.stringify({name: 'request 1'})
+                );
+                expect(callback1).have.been.calledWithExactly({name: 'request 1'});
+                customOptionAjaxCache({a:2}, callback2, 'GET');
+                server.requests[1].respond(
+                    200,
+                    { "Content-Type": "application/json" },
+                    JSON.stringify({name: 'request 2'})
+                );
+                expect(callback2).have.been.calledWithExactly({name: 'request 2'});
+                customOptionAjaxCache({a:1}, callback3, 'GET');
+                expect(callback3).have.been.calledWithExactly({name: 'request 1'});
+            })
         })
     })