解决一些问题

DownKyi.Core/Settings/Models/AppSettings.cs

@@ -7,6 +7,6 @@
         public VideoSettings Video { get; set; } = new VideoSettings();
         public DanmakuSettings Danmaku { get; set; } = new DanmakuSettings();
         public AboutSettings About { get; set; } = new AboutSettings();
-        public UserInfoSettings UserInfo { get; set; }
+        public UserInfoSettings UserInfo { get; set; } = new UserInfoSettings();
     }
 }

DownKyi/Services/Download/AddToDownloadService.cs

@@ -207,6 +207,8 @@ namespace DownKyi.Services.Download
             // 添加到下载
             foreach (VideoSection section in videoSections)
             {
+                if (section.VideoPages == null) { continue; }
+
                 foreach (VideoPage page in section.VideoPages)
                 {
                     // 只下载选中项，跳过未选中项
@@ -338,6 +340,9 @@ namespace DownKyi.Services.Download
                             break;
                     }
 
+                    // 添加到下载列表
+                    App.PropertyChangeAsync(new Action(() =>
+                    {
                         // 如果不存在，直接添加到下载列表
                         DownloadBase downloadBase = new DownloadBase
                         {
@@ -378,9 +383,6 @@ namespace DownKyi.Services.Download
                             PlayUrl = page.PlayUrl,
                         };
 
-                    // 添加到下载列表
-                    App.PropertyChangeAsync(new Action(() =>
-                    {
                         App.DownloadingList.Add(downloadingItem);
                         Thread.Sleep(10);
                     }));

DownKyi/ViewModels/ViewChannelViewModel.cs

@@ -276,7 +276,7 @@ namespace DownKyi.ViewModels
             }
 
             // 通知用户添加到下载列表的结果
-            if (i == 0)
+            if (i <= 0)
             {
                 eventAggregator.GetEvent<MessageEvent>().Publish(DictionaryResource.GetString("TipAddDownloadingZero"));
             }

DownKyi/ViewModels/ViewMyBangumiFollowViewModel.cs

@@ -329,7 +329,7 @@ namespace DownKyi.ViewModels
             }
 
             // 通知用户添加到下载列表的结果
-            if (i == 0)
+            if (i <= 0)
             {
                 eventAggregator.GetEvent<MessageEvent>().Publish(DictionaryResource.GetString("TipAddDownloadingZero"));
             }

DownKyi/ViewModels/ViewMyFavoritesViewModel.cs

@@ -358,7 +358,7 @@ namespace DownKyi.ViewModels
             }
 
             // 通知用户添加到下载列表的结果
-            if (i == 0)
+            if (i <= 0)
             {
                 eventAggregator.GetEvent<MessageEvent>().Publish(DictionaryResource.GetString("TipAddDownloadingZero"));
             }

DownKyi/ViewModels/ViewMyHistoryViewModel.cs

@@ -272,7 +272,7 @@ namespace DownKyi.ViewModels
             }
 
             // 通知用户添加到下载列表的结果
-            if (i == 0)
+            if (i <= 0)
             {
                 eventAggregator.GetEvent<MessageEvent>().Publish(DictionaryResource.GetString("TipAddDownloadingZero"));
             }

DownKyi/ViewModels/ViewMyToViewVideoViewModel.cs

@@ -258,7 +258,7 @@ namespace DownKyi.ViewModels
             }
 
             // 通知用户添加到下载列表的结果
-            if (i == 0)
+            if (i <= 0)
             {
                 eventAggregator.GetEvent<MessageEvent>().Publish(DictionaryResource.GetString("TipAddDownloadingZero"));
             }

DownKyi/ViewModels/ViewPublicFavoritesViewModel.cs

@@ -279,7 +279,7 @@ namespace DownKyi.ViewModels
             }
 
             // 通知用户添加到下载列表的结果
-            if (i == 0)
+            if (i <= 0)
             {
                 eventAggregator.GetEvent<MessageEvent>().Publish(DictionaryResource.GetString("TipAddDownloadingZero"));
             }

DownKyi/ViewModels/ViewPublicationViewModel.cs

@@ -313,7 +313,7 @@ namespace DownKyi.ViewModels
             }
 
             // 通知用户添加到下载列表的结果
-            if (i == 0)
+            if (i <= 0)
             {
                 eventAggregator.GetEvent<MessageEvent>().Publish(DictionaryResource.GetString("TipAddDownloadingZero"));
             }