增加演示版本支持，在web.config中配置即可；

增加自定义出差处理，参考ErrorController

OpenAuth.Mvc/Controllers/ErrorController.cs

@@ -1,17 +1,54 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Runtime.InteropServices;
 using System.Web;
 using System.Web.Mvc;
+using Infrastructure;
+using OpenAuth.Mvc.Models;
 
 namespace OpenAuth.Mvc.Controllers
 {
     public class ErrorController : Controller
     {
-        // GET: Error
-        public ActionResult NoAccess()
+        public ActionResult Http404()
         {
-            return View();
+            return Content("貌似URL不在~~", "text/plain");
+        }
+
+        /// <summary>
+        /// 演示版本禁止提交
+        /// </summary>
+        public string DemoError()
+        {
+            Response.Charset = "utf-8";
+            var response = new BjuiResponse
+            {
+                statusCode = "400",
+                message = "演示版本，不能进行此操作"
+            };
+            return JsonHelper.Instance.Serialize(response);
+        }
+
+        /// <summary>
+        /// 没有登录
+        /// </summary>
+        /// <returns>ActionResult.</returns>
+        public ActionResult Http401()
+        {
+            return RedirectToAction("Index", "Login");
+        }
+
+
+        public string Http500()
+        {
+            Response.Charset = "utf-8";
+            var response = new BjuiResponse
+            {
+                statusCode = "500",
+                message = "服务器内部错误，请联系管理员"
+            };
+            return JsonHelper.Instance.Serialize(response);
         }
     }
 }