diff --git a/index.html b/index.html
index 7b07028a..6beb83f3 100644
--- a/index.html
+++ b/index.html
@@ -127,6 +127,7 @@
 <script src='libs/thirdparty/mid.min.js'></script>
 <script src='libs/thirdparty/lz-string.min.js'></script>
 <script src='libs/thirdparty/priority-queue.min.js'></script>
+<script src='libs/thirdparty/localforage.min.js'></script>
 <script id='mainScript' src='main.js'></script>
 <script>main.init();main.listen();</script>
 </body>
diff --git a/libs/actions.js b/libs/actions.js
index d0447359..ecf7269b 100644
--- a/libs/actions.js
+++ b/libs/actions.js
@@ -1427,8 +1427,12 @@ actions.prototype.clickSL = function(x,y) {
                 core.drawTip("无法删除自动存档！");
             }
             else {
-                core.removeLocalStorage("save"+id);
-                core.ui.drawSLPanel(index);
+                // core.removeLocalStorage("save"+id);
+                core.removeLocalForage("save"+id, function() {
+                    core.ui.drawSLPanel(index, true);
+                }, function() {
+                    core.drawTip("无法删除存档！");
+                })
             }
         }
         else {
@@ -1523,8 +1527,13 @@ actions.prototype.keyUpSL = function (keycode) {
             core.drawTip("无法删除自动存档！");
         }
         else {
-            core.removeLocalStorage("save"+(5*page+offset));
-            core.ui.drawSLPanel(index);
+            // core.removeLocalStorage("save"+(5*page+offset));
+            // core.ui.drawSLPanel(index);
+            core.removeLocalForage("save"+(5*page+offset), function() {
+                core.ui.drawSLPanel(index, true);
+            }, function() {
+                core.drawTip("无法删除存档！");
+            })
         }
     }
 }
@@ -1799,10 +1808,12 @@ actions.prototype.clickSyncSave = function (x,y) {
                         core.ui.drawConfirmBox("所有本地存档都将被覆盖，确认？", function () {
                             for (var i=1;i<=5*(main.savePages||30);i++) {
                                 if (i<=data.length) {
-                                    core.setLocalStorage("save"+i, data[i-1]);
+                                    // core.setLocalStorage("save"+i, data[i-1]);
+                                    core.setLocalForage("save"+i, data[i-1]);
                                 }
                                 else {
-                                    core.removeLocalStorage("save"+i);
+                                    // core.removeLocalStorage("save"+i);
+                                    core.removeLocalForage("save"+i);
                                 }
                             }
                             core.drawText("读取成功！\n你的本地所有存档均已被覆盖。");
@@ -1812,8 +1823,10 @@ actions.prototype.clickSyncSave = function (x,y) {
                         })
                     }
                     else {
-                        core.setLocalStorage("save"+core.status.saveIndex, data);
-                        core.drawText("同步成功！\n单存档已覆盖至存档"+core.status.saveIndex);
+                        // core.setLocalStorage("save"+core.status.saveIndex, data);
+                        core.setLocalForage("save"+core.status.saveIndex, data, function() {
+                            core.drawText("同步成功！\n单存档已覆盖至存档"+core.status.saveIndex);
+                        })
                     }
                 }, function () {
 
@@ -1931,6 +1944,7 @@ actions.prototype.clickLocalSaveSelect = function (x,y) {
 
     if (y>=topIndex && y<topIndex+choices.length) {
         var selection = y - topIndex;
+        /*
         switch (selection) {
             case 0:
                 saves=[];
@@ -1947,15 +1961,21 @@ actions.prototype.clickLocalSaveSelect = function (x,y) {
             case 2:
                 break;
         }
-    }
-    if (core.isset(saves)) {
-        var content = {
-            "name": core.firstData.name,
-            "version": core.firstData.version,
-            "data": saves
+        */
+        if (selection<2) {
+            core.control.getSaves(selection==0?null:core.status.saveIndex, function(saves) {
+                if (core.isset(saves)) {
+                    var content = {
+                        "name": core.firstData.name,
+                        "version": core.firstData.version,
+                        "data": saves
+                    }
+                    core.download(core.firstData.name+"_"+core.formatDate2(new Date())+".h5save", JSON.stringify(content));
+                }
+            })
         }
-        core.download(core.firstData.name+"_"+core.formatDate2(new Date())+".h5save", JSON.stringify(content));
     }
+
     core.status.event.selection=2;
     core.ui.drawSyncSave();
 }
@@ -1997,15 +2017,18 @@ actions.prototype.clickStorageRemove = function (x, y) {
         var selection = y - topIndex;
         switch (selection) {
             case 0:
-                localStorage.clear();
-                core.drawText("\t[操作成功]你的所有存档已被清空。");
+                localforage.clear(function () {
+                    core.drawText("\t[操作成功]你的所有存档已被清空。");
+                });
                 break;
             case 1:
                 for (var i=1;i<=5*(main.savePages||30);i++) {
-                    core.removeLocalStorage("save"+i);
+                    // core.removeLocalStorage("save"+i);
+                    core.removeLocalForage("save"+i);
                 }
-                core.drawText("\t[操作成功]当前塔的存档已被清空。");
-                core.removeLocalStorage("autoSave");
+                core.removeLocalForage("autoSave", function() {
+                    core.drawText("\t[操作成功]当前塔的存档已被清空。");
+                });
                 break;
             case 2:
                 core.status.event.selection=5;
diff --git a/libs/control.js b/libs/control.js
index bfed3751..740268e4 100644
--- a/libs/control.js
+++ b/libs/control.js
@@ -2180,7 +2180,7 @@ control.prototype.autosave = function (removeLast) {
     var x=null;
     if (removeLast)
         x=core.status.route.pop();
-    core.setLocalStorage("autoSave", core.saveData())
+    core.setLocalForage("autoSave", core.saveData())
     if (removeLast && core.isset(x))
         core.status.route.push(x);
 }
@@ -2192,6 +2192,18 @@ control.prototype.doSL = function (id, type) {
             core.drawTip('不能覆盖自动存档！');
             return;
         }
+        core.setLocalForage("save"+id, core.saveData(), function() {
+            core.ui.closePanel();
+            core.drawTip('存档成功！');
+            if (id!="autoSave") {
+                core.status.saveIndex=id;
+                core.setLocalStorage('saveIndex2', core.status.saveIndex);
+            }
+        }, function(err) {
+            console.info(err);
+            core.drawTip("存档失败，请将控制台的报错信息反馈给管理员。");
+        })
+        /*
         if (core.setLocalStorage("save"+id, core.saveData())) {
             core.ui.closePanel();
             core.drawTip('存档成功！');
@@ -2203,105 +2215,105 @@ control.prototype.doSL = function (id, type) {
         else {
             core.drawTip('存储空间不足，请覆盖已有的存档或在菜单栏中进行清理');
         }
+        */
         return;
     }
     else if (type=='load') {
-        var data = core.getLocalStorage(id=='autoSave'?id:"save"+id, null);
-        if (!core.isset(data)) {
+        // var data = core.getLocalStorage(id=='autoSave'?id:"save"+id, null);
+
+        core.getLocalForage(id=='autoSave'?id:"save"+id, function(data) {
+            if (!core.isset(data)) {
+                core.drawTip("无效的存档");
+                return;
+            }
+            if (data.version != core.firstData.version) {
+                // core.drawTip("存档版本不匹配");
+                if (confirm("存档版本不匹配！\n你想回放此存档的录像吗？\n可以随时停止录像播放以继续游戏。")) {
+                    core.dom.startPanel.style.display = 'none';
+                    var seed = data.hero.flags.seed;
+                    core.resetStatus(core.firstData.hero, data.hard, core.firstData.floorId, null, core.initStatus.maps);
+                    core.events.setInitData(data.hard);
+                    core.setFlag('seed', seed);
+                    core.setFlag('rand', seed);
+                    core.changeFloor(core.status.floorId, null, core.firstData.hero.loc, null, function() {
+                        core.startReplay(core.decodeRoute(data.route));
+                    }, true);
+                }
+                return;
+            }
+            core.ui.closePanel();
+            core.loadData(data, function() {
+                core.drawTip("读档成功");
+                if (id!="autoSave") {
+                    core.status.saveIndex=id;
+                    core.setLocalStorage('saveIndex2', core.status.saveIndex);
+                }
+            });
+        }, function(err) {
             core.drawTip("无效的存档");
-            return;
-        }
-        if (data.version != core.firstData.version) {
-            // core.drawTip("存档版本不匹配");
-            if (confirm("存档版本不匹配！\n你想回放此存档的录像吗？\n可以随时停止录像播放以继续游戏。")) {
-                core.dom.startPanel.style.display = 'none';
-                var seed = data.hero.flags.seed;
-                core.resetStatus(core.firstData.hero, data.hard, core.firstData.floorId, null, core.initStatus.maps);
-                core.events.setInitData(data.hard);
-                core.setFlag('seed', seed);
-                core.setFlag('rand', seed);
-                core.changeFloor(core.status.floorId, null, core.firstData.hero.loc, null, function() {
-                    core.startReplay(core.decodeRoute(data.route));
-                }, true);
-            }
-            return;
-        }
-        core.ui.closePanel();
-        core.loadData(data, function() {
-            core.drawTip("读档成功");
-            if (id!="autoSave") {
-                core.status.saveIndex=id;
-                core.setLocalStorage('saveIndex2', core.status.saveIndex);
-            }
-        });
+        })
+
         return;
     }
     else if (type == 'replayLoad') {
-        var data = core.getLocalStorage(id=='autoSave'?id:"save"+id, null);
-        if (!core.isset(data)) {
+        // var data = core.getLocalStorage(id=='autoSave'?id:"save"+id, null);
+        core.getLocalForage(id=='autoSave'?id:"save"+id, function(data) {
+            if (!core.isset(data)) {
+                core.drawTip("无效的存档");
+                return;
+            }
+            if (data.version != core.firstData.version) {
+                core.drawTip("存档版本不匹配");
+                return;
+            }
+            if (data.hard != core.status.hard) {
+                core.drawTip("游戏难度不匹配！");
+                return;
+            }
+            var route = core.subarray(core.status.route, core.decodeRoute(data.route));
+            if (!core.isset(route) || data.hero.flags.seed!=core.getFlag('seed')) {
+                core.drawTip("无法从此存档回放录像");
+                return;
+            }
+            core.loadData(data, function () {
+                core.startReplay(route);
+                core.drawTip("回退到存档节点");
+            });
+        }, function(err) {
+            console.info(err);
             core.drawTip("无效的存档");
-            return;
-        }
-        if (data.version != core.firstData.version) {
-            core.drawTip("存档版本不匹配");
-            return;
-        }
-        if (data.hard != core.status.hard) {
-            core.drawTip("游戏难度不匹配！");
-            return;
-        }
-        var route = core.subarray(core.status.route, core.decodeRoute(data.route));
-        if (!core.isset(route) || data.hero.flags.seed!=core.getFlag('seed')) {
-            core.drawTip("无法从此存档回放录像");
-            return;
-        }
-        core.loadData(data, function () {
-            core.startReplay(route);
-            core.drawTip("回退到存档节点");
-        });
+        })
     }
 }
 
 ////// 同步存档到服务器 //////
 control.prototype.syncSave = function (type) {
-    var saves=null;
-    // data
-    if (type=='all') {
-        saves=[];
-        for (var i=1;i<=5*(main.savePages||30);i++) {
-            var data = core.getLocalStorage("save"+i, null);
-            if (core.isset(data)) {
-                saves.push(data);
-            }
-        }
-    }
-    else {
-        saves=core.getLocalStorage("save"+core.status.saveIndex, null);
-    }
-    if (!core.isset(saves)) {
-        core.drawText("没有要同步的存档");
-        return;
-    }
     core.ui.drawWaiting("正在同步，请稍后...");
-
-    var formData = new FormData();
-    formData.append('type', 'save');
-    formData.append('name', core.firstData.name);
-    var save_text = JSON.stringify(saves);
-    formData.append('data', save_text);
-
-    core.http("POST", "/games/sync.php", formData, function (data) {
-        var response = JSON.parse(data);
-        if (response.code<0) {
-            core.drawText("出错啦！\n无法同步存档到服务器。\n错误原因："+response.msg);
+    core.control.getSaves(type=='all'?null:core.status.saveIndex, function (saves) {
+        if (!core.isset(saves)) {
+            core.drawText("没有要同步的存档");
+            return;
         }
-        else {
-            core.drawText((type=='all'?"所有存档":"存档"+core.status.saveIndex)+"同步成功！\n\n您的存档编号： "
-                +response.code+"\n您的存档密码： "+response.msg
-                +"\n\n请牢记以上两个信息（如截图等），在从服务器\n同步存档时使用。")
-        }
-    }, function (e) {
-        core.drawText("出错啦！\n无法同步存档到服务器。\n错误原因："+e);
+
+        var formData = new FormData();
+        formData.append('type', 'save');
+        formData.append('name', core.firstData.name);
+        var save_text = JSON.stringify(saves);
+        formData.append('data', save_text);
+
+        core.http("POST", "/games/sync.php", formData, function (data) {
+            var response = JSON.parse(data);
+            if (response.code<0) {
+                core.drawText("出错啦！\n无法同步存档到服务器。\n错误原因："+response.msg);
+            }
+            else {
+                core.drawText((type=='all'?"所有存档":"存档"+core.status.saveIndex)+"同步成功！\n\n您的存档编号： "
+                    +response.code+"\n您的存档密码： "+response.msg
+                    +"\n\n请牢记以上两个信息（如截图等），在从服务器\n同步存档时使用。")
+            }
+        }, function (e) {
+            core.drawText("出错啦！\n无法同步存档到服务器。\n错误原因："+e);
+        })
     })
 }
 
@@ -2338,10 +2350,12 @@ control.prototype.syncLoad = function () {
                     core.ui.drawConfirmBox("所有本地存档都将被覆盖，确认？", function () {
                         for (var i=1;i<=5*(main.savePages||30);i++) {
                             if (i<=data.length) {
-                                core.setLocalStorage("save"+i, data[i-1]);
+                                // core.setLocalStorage("save"+i, data[i-1]);
+                                core.setLocalForage("save"+i, data[i-1]);
                             }
                             else {
-                                core.removeLocalStorage("save"+i);
+                                // core.removeLocalStorage("save"+i);
+                                core.removeLocalForage("save"+i);
                             }
                         }
                         core.drawText("同步成功！\n你的本地所有存档均已被覆盖。");
@@ -2352,8 +2366,10 @@ control.prototype.syncLoad = function () {
                 }
                 else {
                     // 只覆盖单存档
-                    core.setLocalStorage("save"+core.status.saveIndex, data);
-                    core.drawText("同步成功！\n单存档已覆盖至存档"+core.status.saveIndex);
+                    // core.setLocalStorage("save"+core.status.saveIndex, data);
+                    core.setLocalForage("save"+core.status.saveIndex, data, function() {
+                        core.drawText("同步成功！\n单存档已覆盖至存档"+core.status.saveIndex);
+                    });
                 }
                 break;
             case -1:
@@ -2424,6 +2440,34 @@ control.prototype.loadData = function (data, callback) {
     }, true);
 }
 
+control.prototype.getSaves = function (index, callback) {
+    if (core.isset(index)) {
+        core.getLocalForage("save"+index, function(data) {
+            if (core.isset(callback)) callback(data);
+        }, function(err) {
+            if (core.isset(callback))
+                callback(null);
+        })
+        return;
+    }
+    var number = 5*(main.savePages||30);
+    var saves = [];
+    var load = function (index, callback) {
+        if (index > number) {
+            if (core.isset(callback)) callback(saves);
+            return;
+        }
+        core.getLocalForage("save"+index, function (data) {
+            saves.push(data);
+            load(index+1, callback);
+        }, function(err) {
+            // saves.push(null);
+            load(index+1, callback);
+        })
+    }
+    load(1, callback);
+}
+
 ////// 设置勇士属性 //////
 control.prototype.setStatus = function (statusName, statusVal) {
     if (statusName == 'exp') statusName = 'experience';
diff --git a/libs/core.js b/libs/core.js
index a575e7ac..3a6dff53 100644
--- a/libs/core.js
+++ b/libs/core.js
@@ -897,6 +897,18 @@ core.prototype.removeLocalStorage = function (key) {
     core.utils.removeLocalStorage(key);
 }
 
+core.prototype.setLocalForage = function (key, value, successCallback, errorCallback) {
+    core.utils.setLocalForage(key, value, successCallback, errorCallback);
+}
+
+core.prototype.getLocalForage = function (key, successCallback, errorCallback) {
+    core.utils.getLocalForage(key, successCallback, errorCallback);
+}
+
+core.prototype.removeLocalForage = function (key, successCallback, errorCallback) {
+    core.utils.removeLocalForage(key, successCallback, errorCallback);
+}
+
 ////// 深拷贝一个对象 //////
 core.prototype.clone = function (data) {
     return core.utils.clone(data);
diff --git a/libs/thirdparty/localforage.min.js b/libs/thirdparty/localforage.min.js
new file mode 100644
index 00000000..46db4bfd
--- /dev/null
+++ b/libs/thirdparty/localforage.min.js
@@ -0,0 +1,7 @@
+/*!
+    localForage -- Offline Storage, Improved
+    Version 1.7.2
+    https://localforage.github.io/localForage
+    (c) 2013-2017 Mozilla, Apache License 2.0
+*/
+!function(a){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=a();else if("function"==typeof define&&define.amd)define([],a);else{var b;b="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,b.localforage=a()}}(function(){return function a(b,c,d){function e(g,h){if(!c[g]){if(!b[g]){var i="function"==typeof require&&require;if(!h&&i)return i(g,!0);if(f)return f(g,!0);var j=new Error("Cannot find module '"+g+"'");throw j.code="MODULE_NOT_FOUND",j}var k=c[g]={exports:{}};b[g][0].call(k.exports,function(a){var c=b[g][1][a];return e(c||a)},k,k.exports,a,b,c,d)}return c[g].exports}for(var f="function"==typeof require&&require,g=0;g<d.length;g++)e(d[g]);return e}({1:[function(a,b,c){(function(a){"use strict";function c(){k=!0;for(var a,b,c=l.length;c;){for(b=l,l=[],a=-1;++a<c;)b[a]();c=l.length}k=!1}function d(a){1!==l.push(a)||k||e()}var e,f=a.MutationObserver||a.WebKitMutationObserver;if(f){var g=0,h=new f(c),i=a.document.createTextNode("");h.observe(i,{characterData:!0}),e=function(){i.data=g=++g%2}}else if(a.setImmediate||void 0===a.MessageChannel)e="document"in a&&"onreadystatechange"in a.document.createElement("script")?function(){var b=a.document.createElement("script");b.onreadystatechange=function(){c(),b.onreadystatechange=null,b.parentNode.removeChild(b),b=null},a.document.documentElement.appendChild(b)}:function(){setTimeout(c,0)};else{var j=new a.MessageChannel;j.port1.onmessage=c,e=function(){j.port2.postMessage(0)}}var k,l=[];b.exports=d}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{}],2:[function(a,b,c){"use strict";function d(){}function e(a){if("function"!=typeof a)throw new TypeError("resolver must be a function");this.state=s,this.queue=[],this.outcome=void 0,a!==d&&i(this,a)}function f(a,b,c){this.promise=a,"function"==typeof b&&(this.onFulfilled=b,this.callFulfilled=this.otherCallFulfilled),"function"==typeof c&&(this.onRejected=c,this.callRejected=this.otherCallRejected)}function g(a,b,c){o(function(){var d;try{d=b(c)}catch(b){return p.reject(a,b)}d===a?p.reject(a,new TypeError("Cannot resolve promise with itself")):p.resolve(a,d)})}function h(a){var b=a&&a.then;if(a&&("object"==typeof a||"function"==typeof a)&&"function"==typeof b)return function(){b.apply(a,arguments)}}function i(a,b){function c(b){f||(f=!0,p.reject(a,b))}function d(b){f||(f=!0,p.resolve(a,b))}function e(){b(d,c)}var f=!1,g=j(e);"error"===g.status&&c(g.value)}function j(a,b){var c={};try{c.value=a(b),c.status="success"}catch(a){c.status="error",c.value=a}return c}function k(a){return a instanceof this?a:p.resolve(new this(d),a)}function l(a){var b=new this(d);return p.reject(b,a)}function m(a){function b(a,b){function d(a){g[b]=a,++h!==e||f||(f=!0,p.resolve(j,g))}c.resolve(a).then(d,function(a){f||(f=!0,p.reject(j,a))})}var c=this;if("[object Array]"!==Object.prototype.toString.call(a))return this.reject(new TypeError("must be an array"));var e=a.length,f=!1;if(!e)return this.resolve([]);for(var g=new Array(e),h=0,i=-1,j=new this(d);++i<e;)b(a[i],i);return j}function n(a){function b(a){c.resolve(a).then(function(a){f||(f=!0,p.resolve(h,a))},function(a){f||(f=!0,p.reject(h,a))})}var c=this;if("[object Array]"!==Object.prototype.toString.call(a))return this.reject(new TypeError("must be an array"));var e=a.length,f=!1;if(!e)return this.resolve([]);for(var g=-1,h=new this(d);++g<e;)b(a[g]);return h}var o=a(1),p={},q=["REJECTED"],r=["FULFILLED"],s=["PENDING"];b.exports=e,e.prototype.catch=function(a){return this.then(null,a)},e.prototype.then=function(a,b){if("function"!=typeof a&&this.state===r||"function"!=typeof b&&this.state===q)return this;var c=new this.constructor(d);if(this.state!==s){g(c,this.state===r?a:b,this.outcome)}else this.queue.push(new f(c,a,b));return c},f.prototype.callFulfilled=function(a){p.resolve(this.promise,a)},f.prototype.otherCallFulfilled=function(a){g(this.promise,this.onFulfilled,a)},f.prototype.callRejected=function(a){p.reject(this.promise,a)},f.prototype.otherCallRejected=function(a){g(this.promise,this.onRejected,a)},p.resolve=function(a,b){var c=j(h,b);if("error"===c.status)return p.reject(a,c.value);var d=c.value;if(d)i(a,d);else{a.state=r,a.outcome=b;for(var e=-1,f=a.queue.length;++e<f;)a.queue[e].callFulfilled(b)}return a},p.reject=function(a,b){a.state=q,a.outcome=b;for(var c=-1,d=a.queue.length;++c<d;)a.queue[c].callRejected(b);return a},e.resolve=k,e.reject=l,e.all=m,e.race=n},{1:1}],3:[function(a,b,c){(function(b){"use strict";"function"!=typeof b.Promise&&(b.Promise=a(2))}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{2:2}],4:[function(a,b,c){"use strict";function d(a,b){if(!(a instanceof b))throw new TypeError("Cannot call a class as a function")}function e(){try{if("undefined"!=typeof indexedDB)return indexedDB;if("undefined"!=typeof webkitIndexedDB)return webkitIndexedDB;if("undefined"!=typeof mozIndexedDB)return mozIndexedDB;if("undefined"!=typeof OIndexedDB)return OIndexedDB;if("undefined"!=typeof msIndexedDB)return msIndexedDB}catch(a){return}}function f(){try{if(!ua)return!1;var a="undefined"!=typeof openDatabase&&/(Safari|iPhone|iPad|iPod)/.test(navigator.userAgent)&&!/Chrome/.test(navigator.userAgent)&&!/BlackBerry/.test(navigator.platform),b="function"==typeof fetch&&-1!==fetch.toString().indexOf("[native code");return(!a||b)&&"undefined"!=typeof indexedDB&&"undefined"!=typeof IDBKeyRange}catch(a){return!1}}function g(a,b){a=a||[],b=b||{};try{return new Blob(a,b)}catch(f){if("TypeError"!==f.name)throw f;for(var c="undefined"!=typeof BlobBuilder?BlobBuilder:"undefined"!=typeof MSBlobBuilder?MSBlobBuilder:"undefined"!=typeof MozBlobBuilder?MozBlobBuilder:WebKitBlobBuilder,d=new c,e=0;e<a.length;e+=1)d.append(a[e]);return d.getBlob(b.type)}}function h(a,b){b&&a.then(function(a){b(null,a)},function(a){b(a)})}function i(a,b,c){"function"==typeof b&&a.then(b),"function"==typeof c&&a.catch(c)}function j(a){return"string"!=typeof a&&(console.warn(a+" used as a key, but it is not a string."),a=String(a)),a}function k(){if(arguments.length&&"function"==typeof arguments[arguments.length-1])return arguments[arguments.length-1]}function l(a){for(var b=a.length,c=new ArrayBuffer(b),d=new Uint8Array(c),e=0;e<b;e++)d[e]=a.charCodeAt(e);return c}function m(a){return new va(function(b){var c=a.transaction(wa,Ba),d=g([""]);c.objectStore(wa).put(d,"key"),c.onabort=function(a){a.preventDefault(),a.stopPropagation(),b(!1)},c.oncomplete=function(){var a=navigator.userAgent.match(/Chrome\/(\d+)/),c=navigator.userAgent.match(/Edge\//);b(c||!a||parseInt(a[1],10)>=43)}}).catch(function(){return!1})}function n(a){return"boolean"==typeof xa?va.resolve(xa):m(a).then(function(a){return xa=a})}function o(a){var b=ya[a.name],c={};c.promise=new va(function(a,b){c.resolve=a,c.reject=b}),b.deferredOperations.push(c),b.dbReady?b.dbReady=b.dbReady.then(function(){return c.promise}):b.dbReady=c.promise}function p(a){var b=ya[a.name],c=b.deferredOperations.pop();if(c)return c.resolve(),c.promise}function q(a,b){var c=ya[a.name],d=c.deferredOperations.pop();if(d)return d.reject(b),d.promise}function r(a,b){return new va(function(c,d){if(ya[a.name]=ya[a.name]||B(),a.db){if(!b)return c(a.db);o(a),a.db.close()}var e=[a.name];b&&e.push(a.version);var f=ua.open.apply(ua,e);b&&(f.onupgradeneeded=function(b){var c=f.result;try{c.createObjectStore(a.storeName),b.oldVersion<=1&&c.createObjectStore(wa)}catch(c){if("ConstraintError"!==c.name)throw c;console.warn('The database "'+a.name+'" has been upgraded from version '+b.oldVersion+" to version "+b.newVersion+', but the storage "'+a.storeName+'" already exists.')}}),f.onerror=function(a){a.preventDefault(),d(f.error)},f.onsuccess=function(){c(f.result),p(a)}})}function s(a){return r(a,!1)}function t(a){return r(a,!0)}function u(a,b){if(!a.db)return!0;var c=!a.db.objectStoreNames.contains(a.storeName),d=a.version<a.db.version,e=a.version>a.db.version;if(d&&(a.version!==b&&console.warn('The database "'+a.name+"\" can't be downgraded from version "+a.db.version+" to version "+a.version+"."),a.version=a.db.version),e||c){if(c){var f=a.db.version+1;f>a.version&&(a.version=f)}return!0}return!1}function v(a){return new va(function(b,c){var d=new FileReader;d.onerror=c,d.onloadend=function(c){var d=btoa(c.target.result||"");b({__local_forage_encoded_blob:!0,data:d,type:a.type})},d.readAsBinaryString(a)})}function w(a){return g([l(atob(a.data))],{type:a.type})}function x(a){return a&&a.__local_forage_encoded_blob}function y(a){var b=this,c=b._initReady().then(function(){var a=ya[b._dbInfo.name];if(a&&a.dbReady)return a.dbReady});return i(c,a,a),c}function z(a){o(a);for(var b=ya[a.name],c=b.forages,d=0;d<c.length;d++){var e=c[d];e._dbInfo.db&&(e._dbInfo.db.close(),e._dbInfo.db=null)}return a.db=null,s(a).then(function(b){return a.db=b,u(a)?t(a):b}).then(function(d){a.db=b.db=d;for(var e=0;e<c.length;e++)c[e]._dbInfo.db=d}).catch(function(b){throw q(a,b),b})}function A(a,b,c,d){void 0===d&&(d=1);try{var e=a.db.transaction(a.storeName,b);c(null,e)}catch(e){if(d>0&&(!a.db||"InvalidStateError"===e.name||"NotFoundError"===e.name))return va.resolve().then(function(){if(!a.db||"NotFoundError"===e.name&&!a.db.objectStoreNames.contains(a.storeName)&&a.version<=a.db.version)return a.db&&(a.version=a.db.version+1),t(a)}).then(function(){return z(a).then(function(){A(a,b,c,d-1)})}).catch(c);c(e)}}function B(){return{forages:[],db:null,dbReady:null,deferredOperations:[]}}function C(a){function b(){return va.resolve()}var c=this,d={db:null};if(a)for(var e in a)d[e]=a[e];var f=ya[d.name];f||(f=B(),ya[d.name]=f),f.forages.push(c),c._initReady||(c._initReady=c.ready,c.ready=y);for(var g=[],h=0;h<f.forages.length;h++){var i=f.forages[h];i!==c&&g.push(i._initReady().catch(b))}var j=f.forages.slice(0);return va.all(g).then(function(){return d.db=f.db,s(d)}).then(function(a){return d.db=a,u(d,c._defaultConfig.version)?t(d):a}).then(function(a){d.db=f.db=a,c._dbInfo=d;for(var b=0;b<j.length;b++){var e=j[b];e!==c&&(e._dbInfo.db=d.db,e._dbInfo.version=d.version)}})}function D(a,b){var c=this;a=j(a);var d=new va(function(b,d){c.ready().then(function(){A(c._dbInfo,Aa,function(e,f){if(e)return d(e);try{var g=f.objectStore(c._dbInfo.storeName),h=g.get(a);h.onsuccess=function(){var a=h.result;void 0===a&&(a=null),x(a)&&(a=w(a)),b(a)},h.onerror=function(){d(h.error)}}catch(a){d(a)}})}).catch(d)});return h(d,b),d}function E(a,b){var c=this,d=new va(function(b,d){c.ready().then(function(){A(c._dbInfo,Aa,function(e,f){if(e)return d(e);try{var g=f.objectStore(c._dbInfo.storeName),h=g.openCursor(),i=1;h.onsuccess=function(){var c=h.result;if(c){var d=c.value;x(d)&&(d=w(d));var e=a(d,c.key,i++);void 0!==e?b(e):c.continue()}else b()},h.onerror=function(){d(h.error)}}catch(a){d(a)}})}).catch(d)});return h(d,b),d}function F(a,b,c){var d=this;a=j(a);var e=new va(function(c,e){var f;d.ready().then(function(){return f=d._dbInfo,"[object Blob]"===za.call(b)?n(f.db).then(function(a){return a?b:v(b)}):b}).then(function(b){A(d._dbInfo,Ba,function(f,g){if(f)return e(f);try{var h=g.objectStore(d._dbInfo.storeName);null===b&&(b=void 0);var i=h.put(b,a);g.oncomplete=function(){void 0===b&&(b=null),c(b)},g.onabort=g.onerror=function(){var a=i.error?i.error:i.transaction.error;e(a)}}catch(a){e(a)}})}).catch(e)});return h(e,c),e}function G(a,b){var c=this;a=j(a);var d=new va(function(b,d){c.ready().then(function(){A(c._dbInfo,Ba,function(e,f){if(e)return d(e);try{var g=f.objectStore(c._dbInfo.storeName),h=g.delete(a);f.oncomplete=function(){b()},f.onerror=function(){d(h.error)},f.onabort=function(){var a=h.error?h.error:h.transaction.error;d(a)}}catch(a){d(a)}})}).catch(d)});return h(d,b),d}function H(a){var b=this,c=new va(function(a,c){b.ready().then(function(){A(b._dbInfo,Ba,function(d,e){if(d)return c(d);try{var f=e.objectStore(b._dbInfo.storeName),g=f.clear();e.oncomplete=function(){a()},e.onabort=e.onerror=function(){var a=g.error?g.error:g.transaction.error;c(a)}}catch(a){c(a)}})}).catch(c)});return h(c,a),c}function I(a){var b=this,c=new va(function(a,c){b.ready().then(function(){A(b._dbInfo,Aa,function(d,e){if(d)return c(d);try{var f=e.objectStore(b._dbInfo.storeName),g=f.count();g.onsuccess=function(){a(g.result)},g.onerror=function(){c(g.error)}}catch(a){c(a)}})}).catch(c)});return h(c,a),c}function J(a,b){var c=this,d=new va(function(b,d){if(a<0)return void b(null);c.ready().then(function(){A(c._dbInfo,Aa,function(e,f){if(e)return d(e);try{var g=f.objectStore(c._dbInfo.storeName),h=!1,i=g.openCursor();i.onsuccess=function(){var c=i.result;if(!c)return void b(null);0===a?b(c.key):h?b(c.key):(h=!0,c.advance(a))},i.onerror=function(){d(i.error)}}catch(a){d(a)}})}).catch(d)});return h(d,b),d}function K(a){var b=this,c=new va(function(a,c){b.ready().then(function(){A(b._dbInfo,Aa,function(d,e){if(d)return c(d);try{var f=e.objectStore(b._dbInfo.storeName),g=f.openCursor(),h=[];g.onsuccess=function(){var b=g.result;if(!b)return void a(h);h.push(b.key),b.continue()},g.onerror=function(){c(g.error)}}catch(a){c(a)}})}).catch(c)});return h(c,a),c}function L(a,b){b=k.apply(this,arguments);var c=this.config();a="function"!=typeof a&&a||{},a.name||(a.name=a.name||c.name,a.storeName=a.storeName||c.storeName);var d,e=this;if(a.name){var f=a.name===c.name&&e._dbInfo.db,g=f?va.resolve(e._dbInfo.db):s(a).then(function(b){var c=ya[a.name],d=c.forages;c.db=b;for(var e=0;e<d.length;e++)d[e]._dbInfo.db=b;return b});d=a.storeName?g.then(function(b){if(b.objectStoreNames.contains(a.storeName)){var c=b.version+1;o(a);var d=ya[a.name],e=d.forages;b.close();for(var f=0;f<e.length;f++){var g=e[f];g._dbInfo.db=null,g._dbInfo.version=c}return new va(function(b,d){var e=ua.open(a.name,c);e.onerror=function(a){e.result.close(),d(a)},e.onupgradeneeded=function(){e.result.deleteObjectStore(a.storeName)},e.onsuccess=function(){var a=e.result;a.close(),b(a)}}).then(function(a){d.db=a;for(var b=0;b<e.length;b++){var c=e[b];c._dbInfo.db=a,p(c._dbInfo)}}).catch(function(b){throw(q(a,b)||va.resolve()).catch(function(){}),b})}}):g.then(function(b){o(a);var c=ya[a.name],d=c.forages;b.close();for(var e=0;e<d.length;e++){d[e]._dbInfo.db=null}return new va(function(b,c){var d=ua.deleteDatabase(a.name);d.onerror=d.onblocked=function(a){var b=d.result;b&&b.close(),c(a)},d.onsuccess=function(){var a=d.result;a&&a.close(),b(a)}}).then(function(a){c.db=a;for(var b=0;b<d.length;b++)p(d[b]._dbInfo)}).catch(function(b){throw(q(a,b)||va.resolve()).catch(function(){}),b})})}else d=va.reject("Invalid arguments");return h(d,b),d}function M(){return"function"==typeof openDatabase}function N(a){var b,c,d,e,f,g=.75*a.length,h=a.length,i=0;"="===a[a.length-1]&&(g--,"="===a[a.length-2]&&g--);var j=new ArrayBuffer(g),k=new Uint8Array(j);for(b=0;b<h;b+=4)c=Da.indexOf(a[b]),d=Da.indexOf(a[b+1]),e=Da.indexOf(a[b+2]),f=Da.indexOf(a[b+3]),k[i++]=c<<2|d>>4,k[i++]=(15&d)<<4|e>>2,k[i++]=(3&e)<<6|63&f;return j}function O(a){var b,c=new Uint8Array(a),d="";for(b=0;b<c.length;b+=3)d+=Da[c[b]>>2],d+=Da[(3&c[b])<<4|c[b+1]>>4],d+=Da[(15&c[b+1])<<2|c[b+2]>>6],d+=Da[63&c[b+2]];return c.length%3==2?d=d.substring(0,d.length-1)+"=":c.length%3==1&&(d=d.substring(0,d.length-2)+"=="),d}function P(a,b){var c="";if(a&&(c=Ua.call(a)),a&&("[object ArrayBuffer]"===c||a.buffer&&"[object ArrayBuffer]"===Ua.call(a.buffer))){var d,e=Ga;a instanceof ArrayBuffer?(d=a,e+=Ia):(d=a.buffer,"[object Int8Array]"===c?e+=Ka:"[object Uint8Array]"===c?e+=La:"[object Uint8ClampedArray]"===c?e+=Ma:"[object Int16Array]"===c?e+=Na:"[object Uint16Array]"===c?e+=Pa:"[object Int32Array]"===c?e+=Oa:"[object Uint32Array]"===c?e+=Qa:"[object Float32Array]"===c?e+=Ra:"[object Float64Array]"===c?e+=Sa:b(new Error("Failed to get type for BinaryArray"))),b(e+O(d))}else if("[object Blob]"===c){var f=new FileReader;f.onload=function(){var c=Ea+a.type+"~"+O(this.result);b(Ga+Ja+c)},f.readAsArrayBuffer(a)}else try{b(JSON.stringify(a))}catch(c){console.error("Couldn't convert value into a JSON string: ",a),b(null,c)}}function Q(a){if(a.substring(0,Ha)!==Ga)return JSON.parse(a);var b,c=a.substring(Ta),d=a.substring(Ha,Ta);if(d===Ja&&Fa.test(c)){var e=c.match(Fa);b=e[1],c=c.substring(e[0].length)}var f=N(c);switch(d){case Ia:return f;case Ja:return g([f],{type:b});case Ka:return new Int8Array(f);case La:return new Uint8Array(f);case Ma:return new Uint8ClampedArray(f);case Na:return new Int16Array(f);case Pa:return new Uint16Array(f);case Oa:return new Int32Array(f);case Qa:return new Uint32Array(f);case Ra:return new Float32Array(f);case Sa:return new Float64Array(f);default:throw new Error("Unkown type: "+d)}}function R(a,b,c,d){a.executeSql("CREATE TABLE IF NOT EXISTS "+b.storeName+" (id INTEGER PRIMARY KEY, key unique, value)",[],c,d)}function S(a){var b=this,c={db:null};if(a)for(var d in a)c[d]="string"!=typeof a[d]?a[d].toString():a[d];var e=new va(function(a,d){try{c.db=openDatabase(c.name,String(c.version),c.description,c.size)}catch(a){return d(a)}c.db.transaction(function(e){R(e,c,function(){b._dbInfo=c,a()},function(a,b){d(b)})},d)});return c.serializer=Va,e}function T(a,b,c,d,e,f){a.executeSql(c,d,e,function(a,g){g.code===g.SYNTAX_ERR?a.executeSql("SELECT name FROM sqlite_master WHERE type='table' AND name = ?",[b.storeName],function(a,h){h.rows.length?f(a,g):R(a,b,function(){a.executeSql(c,d,e,f)},f)},f):f(a,g)},f)}function U(a,b){var c=this;a=j(a);var d=new va(function(b,d){c.ready().then(function(){var e=c._dbInfo;e.db.transaction(function(c){T(c,e,"SELECT * FROM "+e.storeName+" WHERE key = ? LIMIT 1",[a],function(a,c){var d=c.rows.length?c.rows.item(0).value:null;d&&(d=e.serializer.deserialize(d)),b(d)},function(a,b){d(b)})})}).catch(d)});return h(d,b),d}function V(a,b){var c=this,d=new va(function(b,d){c.ready().then(function(){var e=c._dbInfo;e.db.transaction(function(c){T(c,e,"SELECT * FROM "+e.storeName,[],function(c,d){for(var f=d.rows,g=f.length,h=0;h<g;h++){var i=f.item(h),j=i.value;if(j&&(j=e.serializer.deserialize(j)),void 0!==(j=a(j,i.key,h+1)))return void b(j)}b()},function(a,b){d(b)})})}).catch(d)});return h(d,b),d}function W(a,b,c,d){var e=this;a=j(a);var f=new va(function(f,g){e.ready().then(function(){void 0===b&&(b=null);var h=b,i=e._dbInfo;i.serializer.serialize(b,function(b,j){j?g(j):i.db.transaction(function(c){T(c,i,"INSERT OR REPLACE INTO "+i.storeName+" (key, value) VALUES (?, ?)",[a,b],function(){f(h)},function(a,b){g(b)})},function(b){if(b.code===b.QUOTA_ERR){if(d>0)return void f(W.apply(e,[a,h,c,d-1]));g(b)}})})}).catch(g)});return h(f,c),f}function X(a,b,c){return W.apply(this,[a,b,c,1])}function Y(a,b){var c=this;a=j(a);var d=new va(function(b,d){c.ready().then(function(){var e=c._dbInfo;e.db.transaction(function(c){T(c,e,"DELETE FROM "+e.storeName+" WHERE key = ?",[a],function(){b()},function(a,b){d(b)})})}).catch(d)});return h(d,b),d}function Z(a){var b=this,c=new va(function(a,c){b.ready().then(function(){var d=b._dbInfo;d.db.transaction(function(b){T(b,d,"DELETE FROM "+d.storeName,[],function(){a()},function(a,b){c(b)})})}).catch(c)});return h(c,a),c}function $(a){var b=this,c=new va(function(a,c){b.ready().then(function(){var d=b._dbInfo;d.db.transaction(function(b){T(b,d,"SELECT COUNT(key) as c FROM "+d.storeName,[],function(b,c){var d=c.rows.item(0).c;a(d)},function(a,b){c(b)})})}).catch(c)});return h(c,a),c}function _(a,b){var c=this,d=new va(function(b,d){c.ready().then(function(){var e=c._dbInfo;e.db.transaction(function(c){T(c,e,"SELECT key FROM "+e.storeName+" WHERE id = ? LIMIT 1",[a+1],function(a,c){var d=c.rows.length?c.rows.item(0).key:null;b(d)},function(a,b){d(b)})})}).catch(d)});return h(d,b),d}function aa(a){var b=this,c=new va(function(a,c){b.ready().then(function(){var d=b._dbInfo;d.db.transaction(function(b){T(b,d,"SELECT key FROM "+d.storeName,[],function(b,c){for(var d=[],e=0;e<c.rows.length;e++)d.push(c.rows.item(e).key);a(d)},function(a,b){c(b)})})}).catch(c)});return h(c,a),c}function ba(a){return new va(function(b,c){a.transaction(function(d){d.executeSql("SELECT name FROM sqlite_master WHERE type='table' AND name <> '__WebKitDatabaseInfoTable__'",[],function(c,d){for(var e=[],f=0;f<d.rows.length;f++)e.push(d.rows.item(f).name);b({db:a,storeNames:e})},function(a,b){c(b)})},function(a){c(a)})})}function ca(a,b){b=k.apply(this,arguments);var c=this.config();a="function"!=typeof a&&a||{},a.name||(a.name=a.name||c.name,a.storeName=a.storeName||c.storeName);var d,e=this;return d=a.name?new va(function(b){var d;d=a.name===c.name?e._dbInfo.db:openDatabase(a.name,"","",0),b(a.storeName?{db:d,storeNames:[a.storeName]}:ba(d))}).then(function(a){return new va(function(b,c){a.db.transaction(function(d){function e(a){return new va(function(b,c){d.executeSql("DROP TABLE IF EXISTS "+a,[],function(){b()},function(a,b){c(b)})})}for(var f=[],g=0,h=a.storeNames.length;g<h;g++)f.push(e(a.storeNames[g]));va.all(f).then(function(){b()}).catch(function(a){c(a)})},function(a){c(a)})})}):va.reject("Invalid arguments"),h(d,b),d}function da(){try{return"undefined"!=typeof localStorage&&"setItem"in localStorage&&!!localStorage.setItem}catch(a){return!1}}function ea(a,b){var c=a.name+"/";return a.storeName!==b.storeName&&(c+=a.storeName+"/"),c}function fa(){var a="_localforage_support_test";try{return localStorage.setItem(a,!0),localStorage.removeItem(a),!1}catch(a){return!0}}function ga(){return!fa()||localStorage.length>0}function ha(a){var b=this,c={};if(a)for(var d in a)c[d]=a[d];return c.keyPrefix=ea(a,b._defaultConfig),ga()?(b._dbInfo=c,c.serializer=Va,va.resolve()):va.reject()}function ia(a){var b=this,c=b.ready().then(function(){for(var a=b._dbInfo.keyPrefix,c=localStorage.length-1;c>=0;c--){var d=localStorage.key(c);0===d.indexOf(a)&&localStorage.removeItem(d)}});return h(c,a),c}function ja(a,b){var c=this;a=j(a);var d=c.ready().then(function(){var b=c._dbInfo,d=localStorage.getItem(b.keyPrefix+a);return d&&(d=b.serializer.deserialize(d)),d});return h(d,b),d}function ka(a,b){var c=this,d=c.ready().then(function(){for(var b=c._dbInfo,d=b.keyPrefix,e=d.length,f=localStorage.length,g=1,h=0;h<f;h++){var i=localStorage.key(h);if(0===i.indexOf(d)){var j=localStorage.getItem(i);if(j&&(j=b.serializer.deserialize(j)),void 0!==(j=a(j,i.substring(e),g++)))return j}}});return h(d,b),d}function la(a,b){var c=this,d=c.ready().then(function(){var b,d=c._dbInfo;try{b=localStorage.key(a)}catch(a){b=null}return b&&(b=b.substring(d.keyPrefix.length)),b});return h(d,b),d}function ma(a){var b=this,c=b.ready().then(function(){for(var a=b._dbInfo,c=localStorage.length,d=[],e=0;e<c;e++){var f=localStorage.key(e);0===f.indexOf(a.keyPrefix)&&d.push(f.substring(a.keyPrefix.length))}return d});return h(c,a),c}function na(a){var b=this,c=b.keys().then(function(a){return a.length});return h(c,a),c}function oa(a,b){var c=this;a=j(a);var d=c.ready().then(function(){var b=c._dbInfo;localStorage.removeItem(b.keyPrefix+a)});return h(d,b),d}function pa(a,b,c){var d=this;a=j(a);var e=d.ready().then(function(){void 0===b&&(b=null);var c=b;return new va(function(e,f){var g=d._dbInfo;g.serializer.serialize(b,function(b,d){if(d)f(d);else try{localStorage.setItem(g.keyPrefix+a,b),e(c)}catch(a){"QuotaExceededError"!==a.name&&"NS_ERROR_DOM_QUOTA_REACHED"!==a.name||f(a),f(a)}})})});return h(e,c),e}function qa(a,b){if(b=k.apply(this,arguments),a="function"!=typeof a&&a||{},!a.name){var c=this.config();a.name=a.name||c.name,a.storeName=a.storeName||c.storeName}var d,e=this;return d=a.name?new va(function(b){b(a.storeName?ea(a,e._defaultConfig):a.name+"/")}).then(function(a){for(var b=localStorage.length-1;b>=0;b--){var c=localStorage.key(b);0===c.indexOf(a)&&localStorage.removeItem(c)}}):va.reject("Invalid arguments"),h(d,b),d}function ra(a,b){a[b]=function(){var c=arguments;return a.ready().then(function(){return a[b].apply(a,c)})}}function sa(){for(var a=1;a<arguments.length;a++){var b=arguments[a];if(b)for(var c in b)b.hasOwnProperty(c)&&($a(b[c])?arguments[0][c]=b[c].slice():arguments[0][c]=b[c])}return arguments[0]}var ta="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},ua=e();"undefined"==typeof Promise&&a(3);var va=Promise,wa="local-forage-detect-blob-support",xa=void 0,ya={},za=Object.prototype.toString,Aa="readonly",Ba="readwrite",Ca={_driver:"asyncStorage",_initStorage:C,_support:f(),iterate:E,getItem:D,setItem:F,removeItem:G,clear:H,length:I,key:J,keys:K,dropInstance:L},Da="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",Ea="~~local_forage_type~",Fa=/^~~local_forage_type~([^~]+)~/,Ga="__lfsc__:",Ha=Ga.length,Ia="arbf",Ja="blob",Ka="si08",La="ui08",Ma="uic8",Na="si16",Oa="si32",Pa="ur16",Qa="ui32",Ra="fl32",Sa="fl64",Ta=Ha+Ia.length,Ua=Object.prototype.toString,Va={serialize:P,deserialize:Q,stringToBuffer:N,bufferToString:O},Wa={_driver:"webSQLStorage",_initStorage:S,_support:M(),iterate:V,getItem:U,setItem:X,removeItem:Y,clear:Z,length:$,key:_,keys:aa,dropInstance:ca},Xa={_driver:"localStorageWrapper",_initStorage:ha,_support:da(),iterate:ka,getItem:ja,setItem:pa,removeItem:oa,clear:ia,length:na,key:la,keys:ma,dropInstance:qa},Ya=function(a,b){return a===b||"number"==typeof a&&"number"==typeof b&&isNaN(a)&&isNaN(b)},Za=function(a,b){for(var c=a.length,d=0;d<c;){if(Ya(a[d],b))return!0;d++}return!1},$a=Array.isArray||function(a){return"[object Array]"===Object.prototype.toString.call(a)},_a={},ab={},bb={INDEXEDDB:Ca,WEBSQL:Wa,LOCALSTORAGE:Xa},cb=[bb.INDEXEDDB._driver,bb.WEBSQL._driver,bb.LOCALSTORAGE._driver],db=["dropInstance"],eb=["clear","getItem","iterate","key","keys","length","removeItem","setItem"].concat(db),fb={description:"",driver:cb.slice(),name:"localforage",size:4980736,storeName:"keyvaluepairs",version:1},gb=function(){function a(b){d(this,a);for(var c in bb)if(bb.hasOwnProperty(c)){var e=bb[c],f=e._driver;this[c]=f,_a[f]||this.defineDriver(e)}this._defaultConfig=sa({},fb),this._config=sa({},this._defaultConfig,b),this._driverSet=null,this._initDriver=null,this._ready=!1,this._dbInfo=null,this._wrapLibraryMethodsWithReady(),this.setDriver(this._config.driver).catch(function(){})}return a.prototype.config=function(a){if("object"===(void 0===a?"undefined":ta(a))){if(this._ready)return new Error("Can't call config() after localforage has been used.");for(var b in a){if("storeName"===b&&(a[b]=a[b].replace(/\W/g,"_")),"version"===b&&"number"!=typeof a[b])return new Error("Database version must be a number.");this._config[b]=a[b]}return!("driver"in a&&a.driver)||this.setDriver(this._config.driver)}return"string"==typeof a?this._config[a]:this._config},a.prototype.defineDriver=function(a,b,c){var d=new va(function(b,c){try{var d=a._driver,e=new Error("Custom driver not compliant; see https://mozilla.github.io/localForage/#definedriver");if(!a._driver)return void c(e);for(var f=eb.concat("_initStorage"),g=0,i=f.length;g<i;g++){var j=f[g];if((!Za(db,j)||a[j])&&"function"!=typeof a[j])return void c(e)}(function(){for(var b=function(a){return function(){var b=new Error("Method "+a+" is not implemented by the current driver"),c=va.reject(b);return h(c,arguments[arguments.length-1]),c}},c=0,d=db.length;c<d;c++){var e=db[c];a[e]||(a[e]=b(e))}})();var k=function(c){_a[d]&&console.info("Redefining LocalForage driver: "+d),_a[d]=a,ab[d]=c,b()};"_support"in a?a._support&&"function"==typeof a._support?a._support().then(k,c):k(!!a._support):k(!0)}catch(a){c(a)}});return i(d,b,c),d},a.prototype.driver=function(){return this._driver||null},a.prototype.getDriver=function(a,b,c){var d=_a[a]?va.resolve(_a[a]):va.reject(new Error("Driver not found."));return i(d,b,c),d},a.prototype.getSerializer=function(a){var b=va.resolve(Va);return i(b,a),b},a.prototype.ready=function(a){var b=this,c=b._driverSet.then(function(){return null===b._ready&&(b._ready=b._initDriver()),b._ready});return i(c,a,a),c},a.prototype.setDriver=function(a,b,c){function d(){g._config.driver=g.driver()}function e(a){return g._extend(a),d(),g._ready=g._initStorage(g._config),g._ready}function f(a){return function(){function b(){for(;c<a.length;){var f=a[c];return c++,g._dbInfo=null,g._ready=null,g.getDriver(f).then(e).catch(b)}d();var h=new Error("No available storage method found.");return g._driverSet=va.reject(h),g._driverSet}var c=0;return b()}}var g=this;$a(a)||(a=[a]);var h=this._getSupportedDrivers(a),j=null!==this._driverSet?this._driverSet.catch(function(){return va.resolve()}):va.resolve();return this._driverSet=j.then(function(){var a=h[0];return g._dbInfo=null,g._ready=null,g.getDriver(a).then(function(a){g._driver=a._driver,d(),g._wrapLibraryMethodsWithReady(),g._initDriver=f(h)})}).catch(function(){d();var a=new Error("No available storage method found.");return g._driverSet=va.reject(a),g._driverSet}),i(this._driverSet,b,c),this._driverSet},a.prototype.supports=function(a){return!!ab[a]},a.prototype._extend=function(a){sa(this,a)},a.prototype._getSupportedDrivers=function(a){for(var b=[],c=0,d=a.length;c<d;c++){var e=a[c];this.supports(e)&&b.push(e)}return b},a.prototype._wrapLibraryMethodsWithReady=function(){for(var a=0,b=eb.length;a<b;a++)ra(this,eb[a])},a.prototype.createInstance=function(b){return new a(b)},a}(),hb=new gb;b.exports=hb},{3:3}]},{},[4])(4)});
\ No newline at end of file
diff --git a/libs/ui.js b/libs/ui.js
index 1f4fb301..6c54c96b 100644
--- a/libs/ui.js
+++ b/libs/ui.js
@@ -1721,7 +1721,7 @@ ui.prototype.drawToolbox = function(index) {
 }
 
 ////// 绘制存档/读档界面 //////
-ui.prototype.drawSLPanel = function(index) {
+ui.prototype.drawSLPanel = function(index, refresh) {
     if (!core.isset(index)) index=1;
     if (index<0) index=0;
 
@@ -1731,7 +1731,14 @@ ui.prototype.drawSLPanel = function(index) {
     if (offset>5) offset=5;
     index=10*page+offset;
 
+    var last_page = -1;
+    if (core.isset(core.status.event.data)) {
+        last_page = parseInt(core.status.event.data/10);
+    }
+
     core.status.event.data=index;
+    if (!core.isset(core.status.event.ui))
+        core.status.event.ui = [];
 
     core.clearMap('ui');
     core.setAlpha('ui', 0.85);
@@ -1745,14 +1752,15 @@ ui.prototype.drawSLPanel = function(index) {
     if (core.status.event.selection) strokeColor = '#FF6A6A';
 
     var name=core.status.event.id=='save'?"存档":core.status.event.id=='load'?"读档":core.status.event.id=='replayLoad'?"回放":"";
-    for (var i=0;i<6;i++) {
+
+    var draw = function (data, i) {
+        core.status.event.ui[i] = data;
         var id=5*page+i;
-        var data=core.getLocalStorage(i==0?"autoSave":"save"+id, null);
         if (i<3) {
             core.fillText('ui', i==0?"自动存档":name+id, (2*i+1)*u, 35, '#FFFFFF', "bold 17px Verdana");
             core.strokeRect('ui', (2*i+1)*u-size/2, 50, size, size, i==offset?strokeColor:'#FFFFFF', i==offset?6:2);
             if (core.isset(data) && core.isset(data.floorId)) {
-                this.drawThumbnail(data.floorId, 'ui', core.maps.load(data.maps, data.floorId).blocks, (2*i+1)*u-size/2, 50, size, data.hero.loc.x, data.hero.loc.y, data.hero.loc, data.hero.flags.heroIcon||"hero.png");
+                core.ui.drawThumbnail(data.floorId, 'ui', core.maps.load(data.maps, data.floorId).blocks, (2*i+1)*u-size/2, 50, size, data.hero.loc.x, data.hero.loc.y, data.hero.loc, data.hero.flags.heroIcon||"hero.png");
                 core.fillText('ui', core.formatDate(new Date(data.time)), (2*i+1)*u, 65+size, '#FFFFFF', '10px Verdana');
             }
             else {
@@ -1764,7 +1772,7 @@ ui.prototype.drawSLPanel = function(index) {
             core.fillText('ui', name+id, (2*i-5)*u, 230, '#FFFFFF', "bold 17px Verdana");
             core.strokeRect('ui', (2*i-5)*u-size/2, 245, size, size, i==offset?strokeColor:'#FFFFFF', i==offset?6:2);
             if (core.isset(data) && core.isset(data.floorId)) {
-                this.drawThumbnail(data.floorId, 'ui', core.maps.load(data.maps, data.floorId).blocks, (2*i-5)*u-size/2, 245, size, data.hero.loc.x, data.hero.loc.y, data.hero.loc, data.hero.flags.heroIcon||"hero.png");
+                core.ui.drawThumbnail(data.floorId, 'ui', core.maps.load(data.maps, data.floorId).blocks, (2*i-5)*u-size/2, 245, size, data.hero.loc.x, data.hero.loc.y, data.hero.loc, data.hero.flags.heroIcon||"hero.png");
                 core.fillText('ui', core.formatDate(new Date(data.time)), (2*i-5)*u, 260+size, '#FFFFFF', '10px Verdana');
             }
             else {
@@ -1772,7 +1780,28 @@ ui.prototype.drawSLPanel = function(index) {
                 core.fillText('ui', '空', (2*i-5)*u, 245+70, '#FFFFFF', 'bold 30px Verdana');
             }
         }
+    };
+
+    var drawSave = function (i) {
+
+        core.getLocalForage(i==0?"autoSave":"save"+(5*page+i), function(data) {
+            draw(data, i);
+        }, function(err) {
+            draw(null, i);
+        })
     }
+
+    if (page == last_page && !refresh) {
+        for (var i=0;i<6;i++) {
+            draw(core.status.event.ui[i]||null, i);
+        }
+    }
+    else {
+        for (var i=0;i<6;i++) {
+            drawSave(i);
+        }
+    }
+
     this.drawPagination(page+1, max_page);
 
     if (core.status.event.selection)
diff --git a/libs/utils.js b/libs/utils.js
index 293a6d6b..1a9ed0c1 100644
--- a/libs/utils.js
+++ b/libs/utils.js
@@ -124,6 +124,51 @@ utils.prototype.removeLocalStorage = function (key) {
     localStorage.removeItem(core.firstData.name+"_"+key);
 }
 
+utils.prototype.setLocalForage = function (key, value, successCallback, errorCallback) {
+    // Save to localforage
+    var compressed = LZString.compress(JSON.stringify(value));
+    localforage.setItem(core.firstData.name+"_"+key, compressed, function (err) {
+        if (core.isset(err)) {
+            if (core.isset(errorCallback)) errorCallback(err);
+        }
+        else if (core.isset(successCallback)) successCallback();
+    });
+}
+
+utils.prototype.getLocalForage = function (key, successCallback, errorCallback) {
+    localforage.getItem(core.firstData.name+"_"+key, function (err, value) {
+        if (core.isset(err)) {
+            if (core.isset(errorCallback)) errorCallback(err);
+        }
+        else {
+            if (core.isset(value)) {
+                var output = LZString.decompress(value);
+                if (core.isset(output) && output.length>0) {
+                    try {
+                        if (core.isset(successCallback))
+                            successCallback(JSON.parse(output));
+                        return;
+                    }
+                    catch (ee) {console.log(ee);}
+                }
+                if (core.isset(successCallback))
+                    successCallback(JSON.parse(value));
+                return;
+            }
+            if (core.isset(errorCallback)) errorCallback("Value is null");
+        }
+    })
+}
+
+utils.prototype.removeLocalForage = function (key, successCallback, errorCallback) {
+    localforage.removeItem(core.firstData.name+"_"+key, function (err) {
+        if (core.isset(err)) {
+            if (core.isset(errorCallback)) errorCallback(err);
+        }
+        else if (core.isset(successCallback)) successCallback();
+    })
+}
+
 ////// 深拷贝一个对象 //////
 utils.prototype.clone = function (data) {
     if (!core.isset(data)) return data;
diff --git a/更新说明.txt b/更新说明.txt
index 75e03b8a..ac87791a 100644
--- a/更新说明.txt
+++ b/更新说明.txt
@@ -1,6 +1,7 @@
 HTML5魔塔样板V2.4
 
 大地图的支持
+突破了5M的存档空间大小限制
 同点多事件的颜色块绘制
 录像播放时可以按PgUp/PgDn浏览地图
 录像播放时对于瞬间移动绘制箭头