支持短链接和/s的url

DownKyi.Core/BiliApi/BiliUtils/ParseEntrance.cs

@@ -19,7 +19,10 @@ namespace DownKyi.Core.BiliApi.BiliUtils
     public static class ParseEntrance
     {
         public static readonly string WwwUrl = "https://www.bilibili.com";
+        public static readonly string ShareWwwUrl = "https://www.bilibili.com/s";
+        public static readonly string ShortUrl = "https://b23.tv/";
         public static readonly string MobileUrl = "https://m.bilibili.com";
+
         public static readonly string SpaceUrl = "https://space.bilibili.com";
 
         public static readonly string VideoUrl = $"{WwwUrl}/video/";
@@ -492,6 +495,8 @@ namespace DownKyi.Core.BiliApi.BiliUtils
             string url = EnableHttps(input);
             url = DeleteUrlParam(url);
 
+            url = url.Replace(ShareWwwUrl, WwwUrl);
+            url = url.Replace(ShortUrl, VideoUrl);
             url = url.Replace(MobileUrl, WwwUrl);
 
             if (!url.StartsWith(baseUrl)) { return ""; }