diff --git a/app/api/mobile/api.rb b/app/api/mobile/api.rb
index e93c374c..af1b770d 100644
--- a/app/api/mobile/api.rb
+++ b/app/api/mobile/api.rb
@@ -83,6 +83,9 @@ module Mobile
       end
 
       def memo_authenticate!
+        Rails.logger.info("#######current_user: ###{current_user}")
+        Rails.logger.info("#######session: ###{session[:user_id]}")
+
         pass = (request.path.match(/memos\/\d+/).present? && !request.path.include?("reply")) ||
             request.path.include?("get_memos_list") ||
             request.path.include?("memos?page=") || request.path.match(/memos$/).present?
@@ -94,6 +97,8 @@ module Mobile
       end
 
       def discusses_authenticate!
+        Rails.logger.info("#######current_user: ###{current_user}")
+        Rails.logger.info("#######session: ###{session[:user_id]}")
         pass = request.path.match(/discusses$/).present? || request.path.include?("discusses?page=")
         unless pass
           error!('401 Unauthorized', 401) unless current_user
diff --git a/app/views/layouts/base_edu.html.erb b/app/views/layouts/base_edu.html.erb
index 2638a1df..06fa90b9 100644
--- a/app/views/layouts/base_edu.html.erb
+++ b/app/views/layouts/base_edu.html.erb
@@ -24,7 +24,8 @@
   <%= javascript_include_tag '/editormd/lib/marked.min.js', '/editormd/lib/prettify.min.js', '/editormd/lib/raphael.min.js', '/editormd/lib/underscore.min.js', '/editormd/lib/sequence-diagram.min.js',
                              '/editormd/lib/flowchart.min.js', '/editormd/lib/jquery.flowchart.min.js', '/editormd/editormd.js' %>
   <%= yield :header_tags -%>
-
+  <% Rails.logger.info("########----current_user: #{User.current.id}")  %>
+  <% Rails.logger.info("########----session: #{session[:user_id]}")  %>
   <script type="text/javascript"
           src="/javascripts/MathJax/MathJax.js?config=TeX-AMS-MML_HTMLorMML">
   </script>