增加项目，分层

Store.Framework/HttpResultParser/HttpException.cs

@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Store.Framework.HttpResultParser
+{
+    /// <summary>
+    /// Http异常
+    /// </summary>
+    public class HttpException : Exception
+    {
+        /// <summary>
+        /// Cookie是否在线
+        /// </summary>
+        public bool IsOnline { get; set; } = true;
+        public HttpException(string message) : base(message)
+        {
+
+        }
+        public HttpException(string message, Exception innerException) : base(message, innerException)
+        {
+
+        }
+    }
+}