增加项目，分层

Store.Framework/ThreadManage/WorkAction.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Store.Framework.ThreadManage
+{
+    /// <summary>
+    /// 工作委托
+    /// </summary>
+    /// <param name="unit"></param>
+    public delegate void WorkAction(WorkUnit unit);
+}