diff --git a/src/renderer/layouts/PlayerBar.vue b/src/renderer/layouts/PlayerBar.vue
index 977f276..3883973 100644
--- a/src/renderer/layouts/PlayerBar.vue
+++ b/src/renderer/layouts/PlayerBar.vue
@@ -65,6 +65,9 @@ export default {
   mounted () {
     this.drawVisualizer()
   },
+  updated () {
+    this.wavesurfer.load(this.playerQueue[this.currentlyPlaying].stream)
+  },
   methods: {
     drawVisualizer () {
       let progress = this.$el.getElementsByClassName('progress')[0]
@@ -169,11 +172,9 @@ export default {
     },
     playNext () {
       this.playQueueItem(this.currentlyPlaying + 1)
-      this.wavesurfer.load(this.playerQueue[this.currentlyPlaying].stream)
     },
     playPrevious () {
       this.playQueueItem(this.currentlyPlaying - 1)
-      this.wavesurfer.load(this.playerQueue[this.currentlyPlaying].stream)
     },
     play () {
       this.wavesurfer.play()
diff --git a/src/renderer/store/modules/Player.js b/src/renderer/store/modules/Player.js
index 9ee4184..8a87437 100644
--- a/src/renderer/store/modules/Player.js
+++ b/src/renderer/store/modules/Player.js
@@ -20,8 +20,8 @@ const state = {
       id: 8,
       title: 'Ali sorena',
       artist: 'Negar',
-      artwork: 'http://sakhamusic.ir/wp-content/uploads/2016/03/Ali-Sorena-%E2%80%93-Negar.jpg',
-      stream: 'http://dl.sakhamusic.ir/94/esfand/09/03%20Negar%20(Prod.%20Ehsan%20Ziya)_2.mp3'
+      artwork: '/static/demo/negar.jpg',
+      stream: '/static/demo/negar.mp3'
     }
   ]
 }
diff --git a/static/demo/negar.jpg b/static/demo/negar.jpg
new file mode 100644
index 0000000..9cf715d
Binary files /dev/null and b/static/demo/negar.jpg differ
diff --git a/static/demo/negar.mp3 b/static/demo/negar.mp3
new file mode 100644
index 0000000..f0a6c26
Binary files /dev/null and b/static/demo/negar.mp3 differ