diff --git a/cmd/dashboard/controller/controller.go b/cmd/dashboard/controller/controller.go
index bff034e..95485b9 100644
--- a/cmd/dashboard/controller/controller.go
+++ b/cmd/dashboard/controller/controller.go
@@ -27,12 +27,6 @@ func ServeWeb(port uint) {
 		"stf": func(s uint64) string {
 			return time.Unix(int64(s), 0).Format("2006年1月2号 15:04")
 		},
-		"fs": func() string {
-			if !dao.Conf.Debug {
-				return ""
-			}
-			return fmt.Sprintf("%d", time.Now().UnixNano())
-		},
 		"sf": func(duration uint64) string {
 			return time.Duration(time.Duration(duration) * time.Second).String()
 		},
diff --git a/model/server.go b/model/server.go
index c5790d3..643d1ea 100644
--- a/model/server.go
+++ b/model/server.go
@@ -1,6 +1,7 @@
 package model
 
 import (
+	"fmt"
 	"time"
 
 	pb "github.com/naiba/nezha/proto"
@@ -19,3 +20,7 @@ type Server struct {
 	Stream      pb.NezhaService_HeartbeatServer `gorm:"-" json:"-"`
 	StreamClose chan<- error                    `gorm:"-" json:"-"`
 }
+
+func (s Server) Marshal() string {
+	return fmt.Sprintf(`{"ID":%d,"Name":"%s","Secret":"%s"}`, s.ID, s.Name, s.Secret)
+}
diff --git a/resource/static/main.js b/resource/static/main.js
index 8435d92..1353053 100644
--- a/resource/static/main.js
+++ b/resource/static/main.js
@@ -72,6 +72,9 @@ function showFormModal(modelSelector, formID, URL, getData) {
 
 function addOrEditServer(server) {
     const modal = $('.server.modal')
+    if (server) {
+        server = JSON.parse(server)
+    }
     modal.children('.header').text((server ? '修改' : '添加') + '服务器')
     modal.find('.positive.button').html(server ? '修改<i class="edit icon"></i>' : '添加<i class="add icon"></i>')
     modal.find('input[name=id]').val(server ? server.ID : null)
diff --git a/resource/template/common/footer.html b/resource/template/common/footer.html
index 45b394a..7aade5d 100644
--- a/resource/template/common/footer.html
+++ b/resource/template/common/footer.html
@@ -8,7 +8,7 @@
 <script src="https://cdnjs.loli.net/ajax/libs/semantic-ui/2.4.1/semantic.min.js"></script>
 <script src="/static/semantic-ui-alerts.min.js"></script>
 <script src="https://cdn.jsdelivr.net/npm/vue"></script>
-<script src="/static/main.js?t_={{fs}}"></script>
+<script src="/static/main.js?v202012091024"></script>
 </body>
 
 </html>
diff --git a/resource/template/common/header.html b/resource/template/common/header.html
index 2674067..2091551 100644
--- a/resource/template/common/header.html
+++ b/resource/template/common/header.html
@@ -9,7 +9,7 @@
     <title>{{.Title}}</title>
     <link rel="stylesheet" type="text/css" href="https://cdnjs.loli.net/ajax/libs/semantic-ui/2.4.1/semantic.min.css">
     <link rel="stylesheet" type="text/css" href="/static/semantic-ui-alerts.min.css">
-    <link rel="stylesheet" type="text/css" href="/static/main.css?t_={{fs}}">
+    <link rel="stylesheet" type="text/css" href="/static/main.css?v202012091024">
     <link rel="shortcut icon" type="image/png" href="/static/logo.png" />
 </head>
 
diff --git a/resource/template/page/server.html b/resource/template/page/server.html
index 5971d38..b85d76a 100644
--- a/resource/template/page/server.html
+++ b/resource/template/page/server.html
@@ -16,6 +16,7 @@
                     <th>ID</th>
                     <th>备注</th>
                     <th>密钥</th>
+                    <th>最后活跃</th>
                     <th>管理</th>
                 </tr>
             </thead>
@@ -25,9 +26,10 @@
                     <td>{{$server.ID}}</td>
                     <td>{{$server.Name}}</td>
                     <td>{{$server.Secret}}</td>
+                    <td>{{$server.LastActive}}</td>
                     <td>
                         <div class="ui mini icon buttons">
-                            <button class="ui button" onclick="addOrEditServer({{$server}})">
+                            <button class="ui button" onclick="addOrEditServer({{$server.Marshal}})">
                                 <i class="edit icon"></i>
                             </button>
                             <button class="ui button"