diff --git a/labs/Teacher/TeacherExt/Views/Shared/_Layout.cshtml b/labs/Teacher/TeacherExt/Views/Shared/_Layout.cshtml
index 7767afbb..777a8131 100644
--- a/labs/Teacher/TeacherExt/Views/Shared/_Layout.cshtml
+++ b/labs/Teacher/TeacherExt/Views/Shared/_Layout.cshtml
@@ -23,67 +23,74 @@
     @RenderSection("styles", required: false)
 </head>
 <body class="hold-transition layout-top-nav text-sm">
-    <div id="app">
-        <div class="wrapper">
-            <nav class="main-header navbar navbar-expand navbar-dark navbar-gray-dark text-sm">
-                <div class="container">
-                    <a href="@Url.Action("Index","Home")" class="navbar-brand">
-                        <img src="~/images/logo.png" alt="" class="brand-image img-circle elevation-3"
-                             style="opacity: .8">
-                        <span class="brand-text font-weight-light">教师信息管理</span>
-                    </a>
-                    <ul class="navbar-nav ml-auto">
-                        @if (User.Identity.IsAuthenticated)
-                        {
-                            var person_id = User.Claims.FirstOrDefault(o => o.Type == System.Security.Claims.ClaimTypes.NameIdentifier)?.Value;
-                            <li class="nav-item">
-                                <a href="@Url.Action("Update","Home",new { id=person_id})" class="@GetLinkClass(area:"",controller:"Account")">@User.Identity.Name</a>
-                            </li>
-                            <li class="nav-item">
-                                <a class="nav-link" href="@Url.Action("Logout","Account",new { area=""})" click="logout">退出</a>
-                            </li>
-                        }
-                        else
-                        {
+    @if (Context.Request.Query.ContainsKey("iframe"))
+    {
+        @RenderBody()
+    }
+    else
+    {
+        <div id="app">
+            <div class="wrapper">
+                <nav class="main-header navbar navbar-expand navbar-dark navbar-gray-dark text-sm">
+                    <div class="container">
+                        <a href="@Url.Action("Index","Home")" class="navbar-brand">
+                            <img src="~/images/logo.png" alt="" class="brand-image img-circle elevation-3"
+                                 style="opacity: .8">
+                            <span class="brand-text font-weight-light">教师信息管理</span>
+                        </a>
+                        <ul class="navbar-nav ml-auto">
+                            @if (User.Identity.IsAuthenticated)
+                            {
+                                var person_id = User.Claims.FirstOrDefault(o => o.Type == System.Security.Claims.ClaimTypes.NameIdentifier)?.Value;
+                                <li class="nav-item">
+                                    <a href="@Url.Action("Update","Home",new { id=person_id})" class="@GetLinkClass(area:"",controller:"Account")">@User.Identity.Name</a>
+                                </li>
+                                <li class="nav-item">
+                                    <a class="nav-link" href="@Url.Action("Logout","Account",new { area=""})" click="logout">退出</a>
+                                </li>
+                            }
+                            else
+                            {
 
-                            <li class="nav-item">
-                                <a class="nav-link" href="@Url.Action("Register","Account",new { area=""})">注册</a>
-                            </li>
-                            <li class="nav-item">
-                                <a class="nav-link" href="@Url.Action("Login","Account",new { area=""})">登录</a>
-                            </li>
-                        }
-                    </ul>
-                </div>
-            </nav>
-            <div class="content-wrapper">
-                @RenderSection("header", false)
-                <div class="content">
-                    <noscript>
-                        <div class="callout callout-danger">
-                            <h4><i class="icon fa fa-ban"></i> 警告!</h4>
-                            <p>Javascript处于禁用状态</p>
+                                <li class="nav-item">
+                                    <a class="nav-link" href="@Url.Action("Register","Account",new { area=""})">注册</a>
+                                </li>
+                                <li class="nav-item">
+                                    <a class="nav-link" href="@Url.Action("Login","Account",new { area=""})">登录</a>
+                                </li>
+                            }
+                        </ul>
+                    </div>
+                </nav>
+                <div class="content-wrapper">
+                    @RenderSection("header", false)
+                    <div class="content">
+                        <noscript>
+                            <div class="callout callout-danger">
+                                <h4><i class="icon fa fa-ban"></i> 警告!</h4>
+                                <p>Javascript处于禁用状态</p>
+                            </div>
+                        </noscript>
+                        <div class="container">
+                            @RenderBody()
                         </div>
-                    </noscript>
-                    <div class="container">
-                        @RenderBody()
                     </div>
                 </div>
+                <footer class="main-footer">
+                    <p style="text-align:center;">
+                        @Html.Raw("版权所有") <span>v @Helper.Instance.GetVersion()</span>
+                    </p>
+                </footer>
             </div>
-            <footer class="main-footer">
-                <p style="text-align:center;">
-                    @Html.Raw("版权所有") <span>v @Helper.Instance.GetVersion()</span>
-                </p>
-            </footer>
-        </div>
-        <div id="loadingToast" style="display: none;">
-            <div class="weui-mask_transparent"></div>
-            <div class="weui-toast">
-                <i class="weui-loading weui-icon_toast"></i>
-                <p class="weui-toast__content">加载中</p>
+            <div id="loadingToast" style="display: none;">
+                <div class="weui-mask_transparent"></div>
+                <div class="weui-toast">
+                    <i class="weui-loading weui-icon_toast"></i>
+                    <p class="weui-toast__content">加载中</p>
+                </div>
             </div>
         </div>
-    </div>
+    }
     <script src="~/lib/jquery/jquery.min.js"></script>
     <script src="~/lib/bootstrap/js/bootstrap.bundle.min.js"></script>
     <script src="~/lib/admin-lte/js/adminlte.min.js"></script>
