Fix | 修复空文件夹也会被读取为话的bug

Author: kitUIN

ShadowViewer.Plugin.Local/Services/ComicService.cs

@@ -230,7 +230,7 @@ private async Task<ShadowTreeNode> SaveComic(string path, long comicId, bool fin
             {
                 if (findThumb) thumb = comicNode.Children.FirstOrDefault(child => child.IsPic);
 
-                foreach (var child in comicNode.Children.Where(child => child.IsDirectory))
+                foreach (var child in comicNode.Children.Where(child => child is { IsDirectory: true, Count: > 0 }))
                 {
                     pics.AddRange(await CreateEpisode(comicId, child, number));
                     number++;