diff --git a/app/views/comments/create.js.erb b/app/views/comments/create.js.erb
index f0e7a6a11..b8494b02a 100644
--- a/app/views/comments/create.js.erb
+++ b/app/views/comments/create.js.erb
@@ -1,3 +1,3 @@
 $("#user_activity_<%= @user_activity_id%>").replaceWith("<%= escape_javascript(render :partial => 'users/course_news', :locals => {:activity => @news,:user_activity_id =>@user_activity_id,:first_user_activity =>@first_user_activity,:page => @page}) %>");
 
-init_KindEditor_data('<%= @user_activity_id%>',"30px","85%");
+init_KindEditor_data('<%= @user_activity_id%>',"","85%");
diff --git a/app/views/issues/add_journal.js.erb b/app/views/issues/add_journal.js.erb
index c5b698702..d2ce36b68 100644
--- a/app/views/issues/add_journal.js.erb
+++ b/app/views/issues/add_journal.js.erb
@@ -1,3 +1,3 @@
 $("#user_activity_<%= @user_activity_id%>").replaceWith("<%= escape_javascript(render :partial => 'users/project_issue', :locals => {:activity => @issue,:user_activity_id =>@user_activity_id,:first_user_activity =>@first_user_activity,:page => @page}) %>");
 
-init_KindEditor_data(<%= @user_activity_id%>,"30px","85%");
\ No newline at end of file
+init_KindEditor_data(<%= @user_activity_id%>,"","85%");
\ No newline at end of file
diff --git a/app/views/messages/reply.js.erb b/app/views/messages/reply.js.erb
index 883051365..44b4fca12 100644
--- a/app/views/messages/reply.js.erb
+++ b/app/views/messages/reply.js.erb
@@ -3,4 +3,4 @@
 <%elsif @course%>
     $("#user_activity_<%= @user_activity_id%>").replaceWith("<%= escape_javascript(render :partial => 'users/course_message', :locals => {:activity => @topic,:user_activity_id =>@user_activity_id,:first_user_activity =>@first_user_activity,:page => @page}) %>");
 <%end%>
-init_KindEditor_data(<%= @user_activity_id%>,"30px","85%");
\ No newline at end of file
+init_KindEditor_data(<%= @user_activity_id%>,"","85%");
\ No newline at end of file
diff --git a/app/views/users/_user_activities.html.erb b/app/views/users/_user_activities.html.erb
index 9eefbd1f1..d0d60266d 100644
--- a/app/views/users/_user_activities.html.erb
+++ b/app/views/users/_user_activities.html.erb
@@ -36,7 +36,7 @@
             }
 
             $(function() {
-                init_KindEditor_data(<%= user_activity.id%>,"30px","85%");
+                init_KindEditor_data(<%= user_activity.id%>,"","85%");
             });
         </script>
         <% act= user_activity.act unless user_activity.act_type == "ProjectCreateInfo" %>