diff --git a/app/views/users/_course_message.html.erb b/app/views/users/_course_message.html.erb
index 356a152a6..2f790b19b 100644
--- a/app/views/users/_course_message.html.erb
+++ b/app/views/users/_course_message.html.erb
@@ -2,7 +2,7 @@
   <div class="homepagePostBrief">
     <div class="homepagePostPortrait">
       <%= link_to image_tag(url_to_avatar(activity.author), :width => "50", :height => "50"), user_path(activity.author_id,:host=>Setting.host_user), :alt => "用户头像" %>
-      <%#= render :partial => 'users/show_detail_info', :locals => {:user => activity.author} %>
+      <%= render :partial => 'users/show_detail_info', :locals => {:user => activity.author} %>
     </div>
     <div class="homepagePostDes">
       <div class="homepagePostTo break_word mt-4">
diff --git a/public/javascripts/application.js b/public/javascripts/application.js
index 3fdabd2f8..a9e922218 100644
--- a/public/javascripts/application.js
+++ b/public/javascripts/application.js
@@ -26,6 +26,7 @@ function description_show_hide(id){
 //名片的显示
 function user_card_show_hide() {
     $(".homepagePostPortrait").mouseover(function(){
+        $(".userCard").css("display","none");
         onImage = true;
         $(this).children(".userCard").css("display","block");
     });