fix error

app/views/admin/asks/_index.html.erb

@@ -42,9 +42,11 @@
             <%= b.title %>
           <% end %>
         </td>
+        <% if @ask_setting.default_setting['name'].nil? || @ask_setting.default_setting['name'] %>
         <td>
           <%= b.name %>
         </td>
+        <% end %>
         <% if @ask_setting.default_setting['phone'] %>
           <td><%= b.phone %></td>
         <% end %>