diff --git a/app/views/shixuns/_shixun_top.html.erb b/app/views/shixuns/_shixun_top.html.erb
index 5703e66d..4d07f2fd 100644
--- a/app/views/shixuns/_shixun_top.html.erb
+++ b/app/views/shixuns/_shixun_top.html.erb
@@ -101,7 +101,7 @@
         <% end %>
         <a href="javascript:void(0);" class="fr user_default_btn edu-greyback-btn mr15 font-18">已关闭</a>
       <% end %>
-      <% if @shixun.can_copy %>
+      <% if @shixun.can_copy && User.current.logged? %>
         <div href="javascript:void(0)" class="fr user_default_btn user_blue_btn mr20" style="display: flex;">
           <% if User.current.mail.blank? %>
             <a data-tip-down = "基于这个实训修改形成新的实训"