diff --git a/app/views/wiki_extensions/_html_header.html.erb b/app/views/wiki_extensions/_html_header.html.erb
index 123c9fa..4e4d764 100644
--- a/app/views/wiki_extensions/_html_header.html.erb
+++ b/app/views/wiki_extensions/_html_header.html.erb
@@ -28,8 +28,8 @@
   <% end -%>
 
 
-  <%= javascript_include_tag(baseurl + "/plugin_assets/redmine_wiki_extensions/javascripts/jquery.tablesorter.js") %>
-  <%=  stylesheet_link_tag(baseurl + "/plugin_assets/redmine_wiki_extensions/stylesheets/wiki_extensions.css") %>
-  <%=  stylesheet_link_tag(baseurl + "/plugin_assets/redmine_wiki_extensions/stylesheets/wiki_extensions_print.css", :media => 'print') %>
-  <%= javascript_include_tag(baseurl + "/plugin_assets/redmine_wiki_extensions/javascripts/wiki_extensions.js") %>
+  <%= javascript_include_tag("jquery.tablesorter.js", plugin: "redmine_wiki_extensions") %>
+  <%=  stylesheet_link_tag("wiki_extensions.css", plugin: "redmine_wiki_extensions") %>
+  <%=  stylesheet_link_tag("wiki_extensions_print.css", plugin: "redmine_wiki_extensions", media: 'print') %>
+  <%= javascript_include_tag("wiki_extensions.js", plugin: "redmine_wiki_extensions") %>
 <% end %>
diff --git a/assets/javascripts/wiki_smiles.js b/assets/javascripts/wiki_smiles.js
index 7813597..59ba9fe 100644
--- a/assets/javascripts/wiki_smiles.js
+++ b/assets/javascripts/wiki_smiles.js
@@ -64,7 +64,7 @@ jsTooltip.prototype = {
         this.a.className = 'smiles';
         this.img = document.createElement('img');
         this.img.title = 'Smiles';
-        this.img.src = redmine_base_url + '/plugin_assets/redmine_wiki_extensions/images/main_smile.png?dummy_param';
+        this.img.src = 'plugin_assets/redmine_wiki_extensions/images/main_smile.png?dummy_param';
         this.img.id = 'smiles_img';
         this.img.tabIndex = 200;
         this.a.appendChild(this.img);
diff --git a/init.rb b/init.rb
index dd8569d..4a29f30 100644
--- a/init.rb
+++ b/init.rb
@@ -42,7 +42,7 @@
   author_url 'http://twitter.com/haru_iida'
   description 'This is a Wiki Extensions plugin for Redmine'
   url 'http://www.r-labs.org/projects/r-labs/wiki/Wiki_Extensions_en'
-  version '1.0.0'
+  version '1.0.1'
   requires_redmine :version_or_higher => '6.0.0'
 
   project_module :wiki_extensions do
diff --git a/lib/wiki_extensions_formatter_patch.rb b/lib/wiki_extensions_formatter_patch.rb
index 341292b..af0d2e5 100644
--- a/lib/wiki_extensions_formatter_patch.rb
+++ b/lib/wiki_extensions_formatter_patch.rb
@@ -25,8 +25,7 @@ module WikiExtensionsFormatterPatch
   private
 
   def inline_smiles(text)
-    baseurl = Redmine::Utils.relative_url_root
-    src = baseurl + "/plugin_assets/redmine_wiki_extensions/images/"
+    src = "plugin_assets/redmine_wiki_extensions/images/"
 
     @emoticons = WikiExtensionsEmoticons::Emoticons.new
     @emoticons.emoticons.each{|emoticon|
diff --git a/lib/wiki_extensions_helper_patch.rb b/lib/wiki_extensions_helper_patch.rb
index db7ac53..de44abe 100644
--- a/lib/wiki_extensions_helper_patch.rb
+++ b/lib/wiki_extensions_helper_patch.rb
@@ -22,8 +22,7 @@ def heads_for_wiki_formatter
     super
     return if ie6_or_ie7?
     unless @heads_for_wiki_smiles_included
-      baseurl = Redmine::Utils.relative_url_root
-      imageurl = baseurl + "/plugin_assets/redmine_wiki_extensions/images"
+
       content_for :header_tags do
         # o = stylesheet_link_tag("wiki_smiles.css", :plugin => "redmine_wiki_extensions")
         # o << javascript_include_tag("wiki_smiles.js", :plugin => "redmine_wiki_extensions")
diff --git a/lib/wiki_extensions_projects_helper_patch.rb b/lib/wiki_extensions_projects_helper_patch.rb
index 70e65dd..89b9494 100644
--- a/lib/wiki_extensions_projects_helper_patch.rb
+++ b/lib/wiki_extensions_projects_helper_patch.rb
@@ -1,5 +1,5 @@
 # Wiki Extensions plugin for Redmine
-# Copyright (C) 2009-2021  Haruyuki Iida
+# Copyright (C) 2009-  Haruyuki Iida
 #
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU General Public License
@@ -18,15 +18,13 @@
 require_dependency 'projects_helper'
 
 module WikiExtensionsProjectsHelperPatch
-  def self.apply
-    ProjectsController.send :helper, WikiExtensionsProjectsHelperPatch
-  end
+
   def project_settings_tabs
     tabs = super
-    action = {:name => 'wiki_extensions', 
-      :controller => 'wiki_extensions_settings', 
-      :action => :show, 
-      :partial => 'wiki_extensions_settings/show', 
+    action = {:name => 'wiki_extensions',
+      :controller => 'wiki_extensions_settings',
+      :action => :show,
+      :partial => 'wiki_extensions_settings/show',
       :label => :wiki_extensions}
 
     tabs << action if User.current.allowed_to?(action, @project)
@@ -35,4 +33,4 @@ def project_settings_tabs
   end
 end
 
-
+ProjectsHelper.prepend(WikiExtensionsProjectsHelperPatch)