update

app/controllers/home_controller.rb

@@ -19,7 +19,7 @@ class HomeController < ApplicationController
   def delete_file
 	  file_name = params[:file_name]
 	  puts "rm #{file_name} -rf"
-	  `rm #{file_name} -rf`
+	  #`rm #{file_name} -rf`
 	  redirect_to '/home/index'
   end
 end

app/views/home/index.html.erb

@@ -135,7 +135,6 @@
                 <p class="text-muted font-13 m-b-30"> <code> Current directory : <span id="select_dir"><%=@current_dir%></span></code></p>
 		            <p style="text-align:right;" >  
   		             <a class="btn btn-default" href="#popup_mkdir"><i class="fa fa-plus"></i> Make Directory</a>
-  		             <a class="btn btn-default" href="#loading"><i class="fa fa-plus"></i> Loading Test</a>
 		            </p>
                 <table id="datatable" class="table table-striped table-bordered jambo_table">
                   <thead>
@@ -225,11 +224,11 @@
               data: { file_name: $("#delete_name").val() },
                 success  : function(result){
                   change_directory($("#select_dir").text());
+                  $(location).attr('href', "#");
                 }
               })
       		    $(".contextmenu").hide();
       		    $(document).unbind('mousedown');
-              $(location).attr('href', "#");
     });
   </script>
   <!-- file manager functions -->