diff --git a/app/views/announcements/email.html.erb b/app/views/announcements/email.html.erb
index 8483d1d..e9064a2 100644
--- a/app/views/announcements/email.html.erb
+++ b/app/views/announcements/email.html.erb
@@ -12,7 +12,7 @@
     
     <span style="color:#555">--<br />
     <%= t('announcement.mail_source') %> ：<a href="http://<%= @data["host"] %>" target="_blank"> <%= Site.first.title %> </a><br />
-    <%= t('announcement.mail_time') %> <%= DateTime.now %>
+    <%= t('announcement.mail_time') %> <%= DateTime.now.strftime('%Y/%m/%d %H:%M:%S') %>
     </span>
 
   </body>