diff --git a/Library/Controller/Admin/Mailer.php b/Library/Controller/Admin/Mailer.php
index f23686fb..29b5521f 100644
--- a/Library/Controller/Admin/Mailer.php
+++ b/Library/Controller/Admin/Mailer.php
@@ -11,6 +11,7 @@
 
 use Core\Template;
 use Helper\Option;
+use Helper\Utils;
 use Model\Mail;
 use Model\User;
 use Helper\Mailer as Mailer1;
@@ -94,8 +95,15 @@ public function postAll()
 
         foreach ($users as $user) {
             $mail = new Mail();
+            $params = [
+                'nickname' => $user->nickname,
+                'email' => $user->email,
+                'useTraffic' => Utils::flowAutoShow($user->flow_up + $user->flow_down),
+                'transfer' => Utils::flowAutoShow($user->transfer),
+                'expireTime' => date('Y-m-d H:i:s', $user->expireTime),
+            ];
             $mail->subject = $subject;
-            $mail->content = $content;
+            $mail->content = Utils::placeholderReplace($content, $params);
             $mail->to = $user->email;
             $mailer->send($mail);
         }
diff --git a/Template/Default/admin/message.htm b/Template/Default/admin/message.htm
index 26171aff..854f6e1e 100644
--- a/Template/Default/admin/message.htm
+++ b/Template/Default/admin/message.htm
@@ -267,6 +267,7 @@ <h4 class="modal-title"></h4>
             newHtml += '<input class="form-control autogrow" name="mailer.subject" id="field-0" /></div>';
             newHtml += '<div class="form-group no-margin"><label for="field-1" class="control-label">消息内容</label>';
             newHtml += '<textarea class="form-control autogrow" name="mailer.content" rows="15" id="field-0" placeholder="请填写消息内容，支持 HTML 标记"></textarea>';
+            newHtml += '<p><br/>支持消息内容标记：{SITE_NAME} : 站点名称,{nickname}  : 当前用户名称,{email}     : 用户电子邮件,{useTraffic}: 已用流量,{transfer}  : 总流量,{expireTime}: 到期时间</p>';
             newHtml += '</div></div>';
             $("#form1").attr("action", "admin/mailer/postAll.json");
             $("#modal-6 .modal-body").html(newHtml);