diff --git a/src/js/options.js b/src/js/options.js
index 2e1c64f..b39a8e7 100644
--- a/src/js/options.js
+++ b/src/js/options.js
@@ -14,7 +14,8 @@ export default (options) => {
         volume: 0.7,
         listFolded: false,
         listMaxHeight: options.listmaxheight,
-        audio: options.music
+        audio: options.music,
+        storageName: 'aplayer-setting'
     };
     for (const defaultKey in defaultOption) {
         if (defaultOption.hasOwnProperty(defaultKey) && !options.hasOwnProperty(defaultKey)) {
diff --git a/src/js/player.js b/src/js/player.js
index d1b344e..0f7cc0f 100644
--- a/src/js/player.js
+++ b/src/js/player.js
@@ -5,7 +5,7 @@ import Icons from './icons';
 import handleOption from './options';
 import Template from './template';
 import Bar from './bar';
-import User from './user';
+import Storage from './storage';
 import Lrc from './lrc';
 import Controller from './controller';
 import Timer from './timer';
@@ -79,7 +79,7 @@ class APlayer {
             });
         }
         this.events = new Events();
-        this.user = new User(this);
+        this.storage = new Storage(this);
         this.bar = new Bar(this.template);
         this.controller = new Controller(this);
         this.timer = new Timer(this);
@@ -191,7 +191,7 @@ class APlayer {
             }
         });
 
-        this.volume(this.user.get('volume'), true);
+        this.volume(this.storage.get('volume'), true);
     }
 
     setAudio (audio) {
@@ -349,7 +349,7 @@ class APlayer {
             percentage = Math.min(percentage, 1);
             this.bar.set('volume', percentage, 'height');
             if (!nostorage) {
-                this.user.set('volume', percentage);
+                this.storage.set('volume', percentage);
             }
 
             this.audio.volume = percentage;
diff --git a/src/js/storage.js b/src/js/storage.js
new file mode 100644
index 0000000..545b89e
--- /dev/null
+++ b/src/js/storage.js
@@ -0,0 +1,24 @@
+import utils from './utils';
+
+class Storage {
+    constructor (player) {
+        this.storageName = player.options.storageName;
+
+        this.data = JSON.parse(utils.storage.get(this.storageName));
+        if (!this.data) {
+            this.data = {};
+        }
+        this.data.volume = this.data.volume || player.options.volume;
+    }
+
+    get (key) {
+        return this.data[key];
+    }
+
+    set (key, value) {
+        this.data[key] = value;
+        utils.storage.set(this.storageName, JSON.stringify(this.data));
+    }
+}
+
+export default Storage;
\ No newline at end of file
diff --git a/src/js/user.js b/src/js/user.js
deleted file mode 100644
index 9e7757d..0000000
--- a/src/js/user.js
+++ /dev/null
@@ -1,33 +0,0 @@
-import utils from './utils';
-
-class User {
-    constructor (player) {
-        this.storageName = {
-            volume: 'aplayer-volume',
-        };
-        this.default = {
-            volume: player.options.volume || 0.7,
-        };
-        this.data = {};
-
-        this.init();
-    }
-
-    init () {
-        for (const item in this.storageName) {
-            const name = this.storageName[item];
-            this.data[item] = parseFloat(utils.storage.get(name) || this.default[item]);
-        }
-    }
-
-    get (key) {
-        return this.data[key];
-    }
-
-    set (key, value) {
-        this.data[key] = value;
-        utils.storage.set(this.storageName[key], value);
-    }
-}
-
-export default User;
\ No newline at end of file