1、删除视频，永不下载

2、去重-优先级
3、视频合成优化
4、其他优化

model/DouyinReDownload.cs

@@ -0,0 +1,37 @@
+using SqlSugar;
+
+namespace dy.net.model
+{
+    /// <summary>
+    /// 重新下载的列表
+    /// </summary>
+    [SugarTable(TableName = "dy_rd_video")]
+    public class DouyinReDownload
+    {
+        /// <summary>
+        /// 
+        /// </summary>
+        [SugarColumn(IsPrimaryKey = true)]
+        public string Id { get; set; }
+        /// <summary>
+        /// 原视频Id
+        /// </summary>
+        [SugarColumn(IsNullable =true,Length =50)]
+        public string ViedoId { get; set; }
+        /// <summary>
+        /// 原保存目录
+        /// </summary>
+        [SugarColumn(IsNullable =true,Length =1000)]
+        public string SavePath { get; set; }
+
+        public string CookieId { get; set; }
+        /// <summary>
+        /// 0-未下载 1-下载成功 2-下载失败
+        /// </summary>
+        public int Status { get; set; }
+
+        public DateTime CreateTime { get; set; }
+        public DateTime DownTime { get; set; }
+        public DateTime UpdateTime { get; set; }
+    }
+}