diff --git a/src/main/resources/static/css/index.css b/src/main/resources/static/css/index.css
index 947b9cd..d8cb3c5 100644
--- a/src/main/resources/static/css/index.css
+++ b/src/main/resources/static/css/index.css
@@ -1144,4 +1144,20 @@ body {
 
 .apps-app-info .middle-wrapper input {
     background-color: #f6f6f6
+}
+
+.guide {
+    position:fixed;
+    top:0;
+    left:0;
+    bottom:0;
+    right:0;
+    z-index:-1;
+}
+.guide > img {
+    width: auto;
+    height: auto;
+    max-width: 100%;
+    max-height: 100%;
+    border:0;
 }
\ No newline at end of file
diff --git a/src/main/resources/static/js/list.js b/src/main/resources/static/js/list.js
index e844c6c..a5e30e1 100644
--- a/src/main/resources/static/js/list.js
+++ b/src/main/resources/static/js/list.js
@@ -143,7 +143,7 @@ $(function () {
 
     $(".app-delete").click(function () {
         var url = "/p/delete/" + $(this).attr("data");
-        $.post(url, data, function(result){
+        $.post(url, function(result){
             window.location.href = window.location.href
             window.location.reload
         });
diff --git a/src/main/resources/templates/devices.html b/src/main/resources/templates/devices.html
index 82870c4..9aaa46f 100644
--- a/src/main/resources/templates/devices.html
+++ b/src/main/resources/templates/devices.html
@@ -20,9 +20,10 @@
                     设备ID
                 </h4>
             </a>
-            <a class="list-group-item" href="#" th:each="device,appStat : ${app.devices}">
-                [[${device}]]
-            </a>
+            <div th:each="device,appStat : ${app.devices}">
+                <h5>[[${device}]]</h5>
+                <hr />
+            </div>
         </div>
     </div>
 </body>