Refactor check updates

v2rayN/ServiceLib/Models/CheckUpdateItem.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ServiceLib.Models
+{
+    public class CheckUpdateItem
+    {
+        public bool? isSelected { get; set; }
+        public string coreType { get; set; }
+        public string? remarks { get; set; }
+        public string? fileName { get; set; }
+        public bool? isFinished { get; set; }
+    }
+}