diff --git a/DownKyi/ViewModels/ViewPublicationViewModel.cs b/DownKyi/ViewModels/ViewPublicationViewModel.cs
index 6ad5896..475f045 100644
--- a/DownKyi/ViewModels/ViewPublicationViewModel.cs
+++ b/DownKyi/ViewModels/ViewPublicationViewModel.cs
@@ -261,6 +261,10 @@ namespace DownKyi.ViewModels
 
         #endregion
 
+        /// <summary>
+        /// 添加到下载
+        /// </summary>
+        /// <param name="isOnlySelected"></param>
         private async void AddToDownload(bool isOnlySelected)
         {
             // 收藏夹里只有视频
@@ -364,7 +368,7 @@ namespace DownKyi.ViewModels
                     BitmapImage cover;
                     if (coverUrl == null || coverUrl == "")
                     {
-                        cover = new BitmapImage(new Uri($"pack://application:,,,/Resources/video-placeholder.png"));
+                        cover = null; // new BitmapImage(new Uri($"pack://application:,,,/Resources/video-placeholder.png"));
                     }
                     else
                     {
@@ -398,7 +402,7 @@ namespace DownKyi.ViewModels
                         {
                             Avid = video.Aid,
                             Bvid = video.Bvid,
-                            Cover = cover,
+                            Cover = cover ?? new BitmapImage(new Uri($"pack://application:,,,/Resources/video-placeholder.png")),
                             Duration = video.Length,
                             Title = video.Title,
                             PlayNumber = play,
diff --git a/DownKyi/Views/ViewPublication.xaml b/DownKyi/Views/ViewPublication.xaml
index 889e450..f971a33 100644
--- a/DownKyi/Views/ViewPublication.xaml
+++ b/DownKyi/Views/ViewPublication.xaml
@@ -41,12 +41,12 @@
                                     <Border
                                         HorizontalAlignment="Right"
                                         VerticalAlignment="Bottom"
-                                        Background="#7F000000"
+                                        Background="{DynamicResource BrushMask}"
                                         CornerRadius="5 0 5 0">
                                         <TextBlock
                                             Name="nameDuration"
                                             Padding="6,0"
-                                            Foreground="White"
+                                            Foreground="{DynamicResource BrushText}"
                                             Text="{Binding Duration}" />
                                     </Border>
                                 </Grid>
@@ -57,7 +57,7 @@
                                 Height="35"
                                 MaxWidth="190"
                                 Margin="0,10,0,0"
-                                Foreground="Black"
+                                Foreground="{DynamicResource BrushTextDark}"
                                 Tag="{Binding Bvid}"
                                 Text="{Binding Title}"
                                 TextTrimming="CharacterEllipsis"
@@ -83,7 +83,7 @@
                                         Source="/DownKyi;component/Resources/play.png" />
                                     <TextBlock
                                         Margin="5,0,0,0"
-                                        Foreground="#FF999999"
+                                        Foreground="{DynamicResource BrushTextGrey}"
                                         Text="{Binding PlayNumber}" />
                                 </StackPanel>
                                 <StackPanel Grid.Column="1" Orientation="Horizontal">
@@ -93,7 +93,7 @@
                                         Source="/DownKyi;component/Resources/time.png" />
                                     <TextBlock
                                         Margin="5,0,0,0"
-                                        Foreground="#FF999999"
+                                        Foreground="{DynamicResource BrushTextGrey}"
                                         Text="{Binding CreateTime}" />
                                 </StackPanel>
                             </Grid>