diff --git a/Mear/Mear.Android/MainActivity.cs b/Mear/Mear.Android/MainActivity.cs
index 240c888..04d0575 100644
--- a/Mear/Mear.Android/MainActivity.cs
+++ b/Mear/Mear.Android/MainActivity.cs
@@ -42,13 +42,10 @@ namespace Mear.Droid
         {
             if (Popup.SendBackPressed(base.OnBackPressed))
             {
-                var demo = 0;
             }
             else
             {
-                var demo = 0;
             }
-            base.OnBackPressed();
         }
     }
 }
\ No newline at end of file
diff --git a/Mear/Mear/Playback/MearPlayer.cs b/Mear/Mear/Playback/MearPlayer.cs
index adfb5c6..ef0f20b 100644
--- a/Mear/Mear/Playback/MearPlayer.cs
+++ b/Mear/Mear/Playback/MearPlayer.cs
@@ -81,8 +81,7 @@ namespace Mear.Playback
             switch (control)
             {
                 case PlayControls.PLAYOFFLINE:
-                    var songPath = song.SongPath;
-                    await PlaySong(songPath);
+                    await PlaySong(song);
                     var plyCountRepo = new DBPlayCountRepository();
                     plyCountRepo.AffectPlayCount(song);
                     InitializeRepeatMode();
diff --git a/Mear/Mear/Repositories/Database/DBPlayCountRepository.cs b/Mear/Mear/Repositories/Database/DBPlayCountRepository.cs
index 0d10881..7729ed7 100644
--- a/Mear/Mear/Repositories/Database/DBPlayCountRepository.cs
+++ b/Mear/Mear/Repositories/Database/DBPlayCountRepository.cs
@@ -70,6 +70,7 @@ namespace Mear.Repositories.Database
                     }
                     else
                     {
+                        plyCount.PlayCounter++;
                         _Db.Update(plyCount);
                     }
                 }
diff --git a/Mear/Mear/ViewModels/AlbumViewModel.cs b/Mear/Mear/ViewModels/AlbumViewModel.cs
index 61bfc66..61ea989 100644
--- a/Mear/Mear/ViewModels/AlbumViewModel.cs
+++ b/Mear/Mear/ViewModels/AlbumViewModel.cs
@@ -17,6 +17,7 @@ namespace Mear.ViewModels
 		#region Fields
 		private ObservableCollection<Album> _albumItems;
 		private Command _refreshAlbums;
+        private Command _searchAlbumCommand;
 		#endregion
 
 
@@ -30,6 +31,11 @@ namespace Mear.ViewModels
 		{
 			get => _refreshAlbums;
 		}
+        public Command SearchAlbumCommand
+        {
+            get => _searchAlbumCommand;
+            set => _searchAlbumCommand = value;
+        }
 		#endregion
 
 
@@ -38,6 +44,7 @@ namespace Mear.ViewModels
 		{
 			_albumItems = new ObservableCollection<Album>();
 			_refreshAlbums = new Command(async () => await PopulateAlbumsAsync());
+            _searchAlbumCommand = new Command(async () => await SearchAlbum());
 
 			PopulateAlbumsAsync();
 		}
@@ -66,6 +73,9 @@ namespace Mear.ViewModels
 
             IsRefreshing = false;
 		}
+        private async Task SearchAlbum()
+        {
+        }
 		#endregion
 	}
 }
diff --git a/Mear/Mear/ViewModels/ArtistViewModel.cs b/Mear/Mear/ViewModels/ArtistViewModel.cs
index b1507c4..df8be7a 100644
--- a/Mear/Mear/ViewModels/ArtistViewModel.cs
+++ b/Mear/Mear/ViewModels/ArtistViewModel.cs
@@ -17,6 +17,7 @@ namespace Mear.ViewModels
 		#region Fields
 		private ObservableCollection<Artist> _artistItems;
 		private Command _refreshArtists;
+        private Command _searchArtistCommand;
 		#endregion
 
 
@@ -30,6 +31,11 @@ namespace Mear.ViewModels
 		{
 			get => _refreshArtists;
 		}
+        public Command SearchArtistCommand
+        {
+            get => _searchArtistCommand;
+            set => _searchArtistCommand = value;
+        }
 		#endregion
 
 
@@ -38,6 +44,7 @@ namespace Mear.ViewModels
 		{
 			_artistItems = new ObservableCollection<Artist>();
 			_refreshArtists = new Command(async () => await PopulateArtistsAsync());
+            _searchArtistCommand = new Command(async () => await SearchArtists());
 
 			PopulateArtistsAsync();
 		}
@@ -66,6 +73,9 @@ namespace Mear.ViewModels
 
             IsRefreshing = false;
 		}
+        private async Task SearchArtists()
+        {
+        }
 		#endregion
 	}
 }
diff --git a/Mear/Mear/ViewModels/BaseViewModel.cs b/Mear/Mear/ViewModels/BaseViewModel.cs
index 2f8b671..1f7fa0d 100644
--- a/Mear/Mear/ViewModels/BaseViewModel.cs
+++ b/Mear/Mear/ViewModels/BaseViewModel.cs
@@ -13,6 +13,7 @@ namespace Mear.ViewModels
 		#region INotifyPropertyChanged
 		public event PropertyChangedEventHandler PropertyChanged;
         #endregion
+        protected string _searchedText;
         private bool _isRefreshing;
         #endregion
 
@@ -27,6 +28,17 @@ namespace Mear.ViewModels
                 NotifyPropertyChanged("IsRefreshing");
             }
         }
+
+        public string SearchedText
+        {
+            get => _searchedText;
+            set
+            {
+                _searchedText = value;
+                NotifyPropertyChanged("SearchSong");
+                //SearchSongText(_searchedText);
+            }
+        }
         #endregion
 
 
diff --git a/Mear/Mear/ViewModels/SongViewModel.cs b/Mear/Mear/ViewModels/SongViewModel.cs
index 8f363a0..7d8cf68 100644
--- a/Mear/Mear/ViewModels/SongViewModel.cs
+++ b/Mear/Mear/ViewModels/SongViewModel.cs
@@ -19,7 +19,6 @@ namespace Mear.ViewModels
         private ObservableCollection<Song> _songItems;
         private Command _refreshSongs;
         private Command _searchSongsCommand;
-        private string _searchedText;
         #endregion
 
 
@@ -41,16 +40,6 @@ namespace Mear.ViewModels
             set => _searchSongsCommand = value;
         }
 
-        public string SearchedText
-        {
-            get => _searchedText;
-            set
-            {
-                _searchedText = value;
-                NotifyPropertyChanged("SearchSong");
-                //SearchSongText(_searchedText);
-            }
-        }
         #endregion
 
 
diff --git a/Mear/Mear/Views/AlbumView.xaml b/Mear/Mear/Views/AlbumView.xaml
index 07e3528..6cad220 100644
--- a/Mear/Mear/Views/AlbumView.xaml
+++ b/Mear/Mear/Views/AlbumView.xaml
@@ -12,7 +12,12 @@
 		<vm:AlbumViewModel />
 	</ContentPage.BindingContext>
 	<StackLayout>
-		<ListView x:Name="AlbumListView"
+        <SearchBar x:Name="SearchAlbum"
+                   Placeholder="Album"
+                   SearchCommand="{Binding SearchAlbumCommand}"
+                   SearchCommandParameter="{Binding SearchedText, Source=x:Reference Search}"
+                   Text="{Binding SearchedText, Mode=TwoWay}" />
+        <ListView x:Name="AlbumListView"
 			  ItemsSource="{Binding AlbumItems}"
 			  VerticalOptions="FillAndExpand"
 			  HasUnevenRows="False"
diff --git a/Mear/Mear/Views/AlbumView.xaml.cs b/Mear/Mear/Views/AlbumView.xaml.cs
index a994271..72d62bd 100644
--- a/Mear/Mear/Views/AlbumView.xaml.cs
+++ b/Mear/Mear/Views/AlbumView.xaml.cs
@@ -37,7 +37,7 @@ namespace Mear.Views
 		#region Events
 		private void AlbumListView_ItemSelected(object sender, SelectedItemChangedEventArgs e)
 		{
-
+            var albumItem = (sender as ListView).SelectedItem = null;
 		}
 		#endregion
 		#endregion
diff --git a/Mear/Mear/Views/ArtistView.xaml b/Mear/Mear/Views/ArtistView.xaml
index c48ca69..e8a4a44 100644
--- a/Mear/Mear/Views/ArtistView.xaml
+++ b/Mear/Mear/Views/ArtistView.xaml
@@ -13,7 +13,12 @@
 	</ContentPage.BindingContext>
 
 	<StackLayout>
-		<ListView x:Name="ArtistListView"
+        <SearchBar x:Name="SearchArtist"
+                  Placeholder="Artist"
+                  SearchCommand="{Binding SearchArtistCommand}"
+                  SearchCommandParameter="{Binding SearchedText, Source=x:Reference Search}"
+                  Text="{Binding SearchedText, Mode=TwoWay}" />
+        <ListView x:Name="ArtistListView"
 				  ItemsSource="{Binding ArtistItems}"
 				  VerticalOptions="FillAndExpand"
 				  HasUnevenRows="False"
diff --git a/Mear/Mear/Views/ArtistView.xaml.cs b/Mear/Mear/Views/ArtistView.xaml.cs
index 7d70d3a..b413e1e 100644
--- a/Mear/Mear/Views/ArtistView.xaml.cs
+++ b/Mear/Mear/Views/ArtistView.xaml.cs
@@ -37,7 +37,7 @@ namespace Mear.Views
 		#region Events
 		private void ArtistListView_ItemSelected(object sender, SelectedItemChangedEventArgs e)
 		{
-
+            var artistItem = (sender as ListView).SelectedItem = null;
 		}
 		#endregion
 		#endregion
diff --git a/Mear/Mear/Views/Popups/AboutPopup.cs b/Mear/Mear/Views/Popups/AboutPopup.cs
index 6569c62..cb55ff8 100644
--- a/Mear/Mear/Views/Popups/AboutPopup.cs
+++ b/Mear/Mear/Views/Popups/AboutPopup.cs
@@ -27,6 +27,7 @@ namespace Mear.Views.Popups
         }
         #endregion
 
+
         #region Methods
         #region PopUpInit
         protected override void OnAppearing()
@@ -87,7 +88,7 @@ namespace Mear.Views.Popups
 
         protected override bool OnBackgroundClicked()
         {
-            return base.OnBackgroundClicked();
+            return true;
         }
         #endregion
         #endregion
diff --git a/Mear/Mear/Views/Popups/AboutPopup.xaml b/Mear/Mear/Views/Popups/AboutPopup.xaml
index c34384f..0fb0ff0 100644
--- a/Mear/Mear/Views/Popups/AboutPopup.xaml
+++ b/Mear/Mear/Views/Popups/AboutPopup.xaml
@@ -23,24 +23,25 @@
         HorizontalOptions="Center" 
         Padding="40, 40, 40, 40">
         <Label
-            Text="Mear"/>
+            Text="Mear"
+            FontSize="Large"/>
         <Label
-            Text="Pre-developement release version" />
-        <ListView x:Name="ContributorsView"
-                  VerticalOptions="Center"
-                  HorizontalOptions="Center"
-                  ItemsSource="{Binding ContributorItems}"
-                  HasUnevenRows="True" >
-            <ListView.ItemTemplate>
-                <DataTemplate>
-                    <ViewCell>
-                        <StackLayout Orientation="Horizontal">
-                            <Label Text="{Binding Contributor}" />
-                            <Label Text="{Binding Role}" />
-                        </StackLayout>
-                    </ViewCell>
-                </DataTemplate>
-            </ListView.ItemTemplate>
-        </ListView>
+            Text="Pre-developement release version"
+            FontSize="Medium"/>
+        <StackLayout>
+            <StackLayout Orientation="Horizontal">
+                <Label Text="Kun Deng"
+               FontSize="Small" />
+                <Label Text="- Author"
+               FontSize="Small" />
+            </StackLayout>
+            <StackLayout Orientation="Horizontal">
+                <Label Text="zularizal"
+               FontSize="Small" />
+                <Label Text="- Graphic Designer"
+               FontSize="Small" />
+            </StackLayout>
+        </StackLayout>
+        <Label Text="M.I.T. Open Source License" />
     </StackLayout>
 </pages:PopupPage>
diff --git a/Mear/Mear/Views/SettingsPage.xaml.cs b/Mear/Mear/Views/SettingsPage.xaml.cs
index d0b3a75..43653b9 100644
--- a/Mear/Mear/Views/SettingsPage.xaml.cs
+++ b/Mear/Mear/Views/SettingsPage.xaml.cs
@@ -55,6 +55,8 @@ namespace Mear.Views
             {
                 var msg = ex.Message;
             }
+
+            (sender as ListView).SelectedItem = null;
         }
         #endregion
         #endregion