diff --git a/app/controllers/plainpage_controller.rb b/app/controllers/plainpage_controller.rb
index 35dd14b..dcb10a0 100644
--- a/app/controllers/plainpage_controller.rb
+++ b/app/controllers/plainpage_controller.rb
@@ -1,5 +1,4 @@
 class PlainpageController < ApplicationController
-  
   before_action :require_login
   
   def index
diff --git a/app/controllers/volumn_controller.rb b/app/controllers/volumn_controller.rb
index 629e895..ce9a57c 100644
--- a/app/controllers/volumn_controller.rb
+++ b/app/controllers/volumn_controller.rb
@@ -1,5 +1,5 @@
 class VolumnController < ApplicationController
   def info
-    @output = `ls`
   end
+  
 end
diff --git a/app/views/volumn/info.html.erb b/app/views/volumn/info.html.erb
index a669aff..43d0821 100644
--- a/app/views/volumn/info.html.erb
+++ b/app/views/volumn/info.html.erb
@@ -45,7 +45,6 @@
                 <div class="clearfix"></div>
               </div>
               <div class="x_content">
-                <%=@output%>
               </div>
             </div>
           </div>