diff --git a/docs/资料/GBT20091-2006组织机构类型.pdf b/docs/资料/GBT20091-2006组织机构类型.pdf
new file mode 100644
index 00000000..5737e0f5
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diff --git a/docs/资料/腾讯智慧校园-高等院校解决方案.pdf b/docs/资料/腾讯智慧校园-高等院校解决方案.pdf
new file mode 100644
index 00000000..b3516ec2
Binary files /dev/null and b/docs/资料/腾讯智慧校园-高等院校解决方案.pdf differ
diff --git a/projects/IoT.Shared/wwwroot/js/site.js b/projects/IoT.Shared/wwwroot/js/site.js
index 3fdbdd42..657bd6f8 100644
--- a/projects/IoT.Shared/wwwroot/js/site.js
+++ b/projects/IoT.Shared/wwwroot/js/site.js
@@ -304,7 +304,7 @@ $(function () {
     InitControls();
 });
 
-$('body').on('change', '#OrganNumber.submit', function () {
+$('body').on('change', 'select.organ.submit', function () {
     $(this).parents('form').submit();
 });
 
diff --git a/projects/Platform/Controllers/AccountController.cs b/projects/Platform/Controllers/AccountController.cs
index e8cddf12..124dff27 100644
--- a/projects/Platform/Controllers/AccountController.cs
+++ b/projects/Platform/Controllers/AccountController.cs
@@ -926,10 +926,10 @@ namespace Platform.Controllers
             return Content($"var hasLogin={(User.Identity.IsAuthenticated ? "true" : "false")}");
         }
 
-        public IActionResult ChangeOrgan(string organNumber, string returnUrl)
+        public IActionResult ChangeOrgan(string userCurrentOrganNumber, string returnUrl)
         {
             this.HttpContext.JwtSignOut();
-            this.HttpContext.JwtSignIn(User.Identity.Name, false, organNumber);
+            this.HttpContext.JwtSignIn(User.Identity.Name, false, userCurrentOrganNumber);
             return Redirect(returnUrl);
         }
 
@@ -981,4 +981,4 @@ namespace Platform.Controllers
 
         #endregion tools
     }
-}
\ No newline at end of file
+}
diff --git a/projects/Platform/Controllers/HomeController.cs b/projects/Platform/Controllers/HomeController.cs
index aa5e8b1f..19c9da28 100644
--- a/projects/Platform/Controllers/HomeController.cs
+++ b/projects/Platform/Controllers/HomeController.cs
@@ -5,6 +5,7 @@ using IoT.Shared.Application.Domain.Entities;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
+using Platform.ViewModels;
 using System.Linq;
 
 namespace Platform.Controllers
@@ -62,18 +63,24 @@ namespace Platform.Controllers
             return Helper.Instance.MacEncrypt(id);
         }
 
-        public IActionResult Index2(string organNumber)
+        public IActionResult Index2(HomeModel model)
         {
             var currentOrganNumber = User.GetUserData();
-            var organ = this._organRepo.ReadOnlyTable().FirstOrDefault(o => o.Number == currentOrganNumber);
+            var organ = this._organRepo.ReadOnlyTable()
+                .FirstOrDefault(o => o.Number == currentOrganNumber);
 
             var children = this._organRepo.Table()
                 .Where(o => o.Left >= organ.Left && o.Right <= organ.Right)
                 .Include(o => o.Buildings)
                 .ToList();
             var root = children.FirstOrDefault(o => o.Number == currentOrganNumber);
-            ViewBag.Organ = new object[] { Convert(root) };
-            return View();
+
+            model.Organ = root;
+            if (string.IsNullOrEmpty(model.OrganNumber))
+            {
+                model.OrganNumber = root.Number;
+            }
+            return View(model);
         }
 
         public IActionResult Index3()
diff --git a/projects/Platform/ViewModels/HomeModel.cs b/projects/Platform/ViewModels/HomeModel.cs
index 7ef827c5..cf2444cd 100644
--- a/projects/Platform/ViewModels/HomeModel.cs
+++ b/projects/Platform/ViewModels/HomeModel.cs
@@ -1,15 +1,10 @@
 using IoT.Shared.Application.Domain.Entities;
-using System;
-using System.Collections.Generic;
 
 namespace Platform.ViewModels
 {
     public class HomeModel
     {
-        public Guid? OrganId { get; set; }
+        public string OrganNumber { get; set; }
         public Organ Organ { get; set; }
-        public Guid? BuildingId { get; set; }
-        public List<Organ> Organs { get; set; } = new List<Organ>();
-        public List<Building> Buildings { get; set; } = new List<Building>();
     }
 }
diff --git a/projects/Platform/Views/Home/Index2.cshtml b/projects/Platform/Views/Home/Index2.cshtml
index b20cf954..b9b94af5 100644
--- a/projects/Platform/Views/Home/Index2.cshtml
+++ b/projects/Platform/Views/Home/Index2.cshtml
@@ -1,39 +1,62 @@
 @model Platform.ViewModels.HomeModel
 @{
-    var organ = ViewBag.Organ as object;
+    HideBread = true;
+    var organTreeJson = new object[] { Convert(Model.Organ) }.ToJson();
 }
-
-<a-row>
-    <a-col :span="3">
-    <a-tree :tree-data="treeData" show-icon default-expand-all :default-selected-keys="['0-0-0']">
-        <a-icon slot="switcherIcon" type="down" />
-        <a-icon slot="smile" type="smile-o" />
-        <a-icon slot="meh" type="smile-o" />
-        <template slot="custom" slot-scope="{ selected }">
-            <a-icon :type="selected ? 'frown' : 'frown-o'" />
-        </template>
-    </a-tree>
-    </a-col>
-    <a-col :span="9">
-    col-12
-    </a-col>
+<br />
+<div class="row">
+    <div class="col-2">
+        <div class="card" style="min-height:100%;">
+            <div class="card-header">
+                    机构及下属机构 
+                </div>
+                <div class="card-body">
+                    <a-tree :tree-data="nodes" show-line="true" default-expand-all="true" :default-selected-keys="selected" v-on:select="onSelect">
+                    </a-tree>
+                </div>
+            </div>
+        </div>
+    <div class="col-10">
+        <div class="card" style="min-height:100%;">
+            <div class="card-header">
+                    机构概况 
+                </div>
+                <div class="card-body">
+                   
+                </div>
+            </div>
+        </div>
+    </div>
 </a-row>
 
 @section scripts{
     <script>
-        const treeData = @Html.Raw(organ.ToJson());
+        var nodes = @Html.Raw(organTreeJson);
         var app = new Vue({
             el: '#app',
             data: function () {
                 return {
-                    treeData
+                    nodes,
+                    selected:['@Html.Raw(Model.OrganNumber)']
                 };
             },
             methods: {
-                load: function () {
-                    var vm = this;
+                onSelect: function (selectedKeys, info) {
+                    window.location = '@Url.Action()?organNumber='+selectedKeys[0];
+                    console.log('selected', selectedKeys, info);
                 }
             }
         });
     </script>
+}
+@functions{
+    object Convert(Organ root)
+    {
+        return new
+        {
+            title = root.Name,
+            key = root.Number,
+            children = root.Children.Select(o => Convert(o))
+        };
+    }
 }
\ No newline at end of file
diff --git a/projects/Platform/Views/Shared/_Layout.cshtml b/projects/Platform/Views/Shared/_Layout.cshtml
index 2fcfc487..1c8f991b 100644
--- a/projects/Platform/Views/Shared/_Layout.cshtml
+++ b/projects/Platform/Views/Shared/_Layout.cshtml
@@ -51,7 +51,7 @@
                             <li class="nav-item">
                                 <form method="get" action="@Url.Action("ChangeOrgan","Account",new{area=""})">
                                     <input type="hidden" name="ReturnUrl" value="@ViewContext.HttpContext.Request.GetDisplayUrl()" />
-                                    @Html.DropDownList("OrganNumber", list,new { @class = "form-control submit" })
+                                    @Html.DropDownList("UserCurrentOrganNumber", list,new { @class = "form-control organ submit" })
                                 </form>
                             </li>
                         }