diff --git a/app/views/issues/_status_button.html.erb b/app/views/issues/_status_button.html.erb
new file mode 100644
index 0000000..be43050
--- /dev/null
+++ b/app/views/issues/_status_button.html.erb
@@ -0,0 +1,12 @@
+<tr><th class="status"><%= l(:field_status) + "-->" %></th><td class="status" colspan=3><%
+allowed_statuses = @issue.new_statuses_allowed_to
+for status in @issue.tracker.issue_statuses
+	if @issue.status == status
+		%><b>[<%= status.name %>]</b>&emsp;<%
+	else
+		%>[<%= link_to_if allowed_statuses.include?(status),
+						status.name, "javascript:make_status(#{status.id})" %>]&emsp;<%
+	end
+end
+%></td></tr>
+<%= javascript_include_tag "status_button.js", :plugin => 'status_button' %>
diff --git a/app/views/settings/_status_button_settings.html.erb b/app/views/settings/_status_button_settings.html.erb
new file mode 100644
index 0000000..6d2a0c2
--- /dev/null
+++ b/app/views/settings/_status_button_settings.html.erb
@@ -0,0 +1,24 @@
+<%	memberFields = CustomField.all.select { |f| f.class.name == 'IssueCustomField' && f.field_format == 'user' }
+	options = memberFields.map{ |f| [f.name, f.id] }
+	@settings = {:status_assigned_to => {}} unless @settings[:status_assigned_to] %>
+<fieldset>
+  <legend>Issues Status settings</legend>
+  <table class="list">
+    <thead><tr>
+    <th><%=l(:field_status)%></th>
+    <th><%=l(:field_assigned_to)%></th>
+    </tr></thead>
+    <tbody>
+    <% for status in IssueStatus.all() %>
+      <tr class="<%= cycle("odd", "even") %>" align="center">
+      <td><%= h(status.name) %></td>
+      <td align="center">
+        <%= select_tag	"settings[status_assigned_to][#{status.id}]",
+						options_for_select(options, @settings[:status_assigned_to][status.id.to_s]),
+						:include_blank => true %>
+	  </td>
+      </tr>
+    <% end %>
+    </tbody>
+  </table>
+</fieldset>
diff --git a/assets/javascripts/status_button.js b/assets/javascripts/status_button.js
new file mode 100644
index 0000000..5d5353a
--- /dev/null
+++ b/assets/javascripts/status_button.js
@@ -0,0 +1,26 @@
+function make_status(newStatus) {
+	if (jQuery) {
+		// redmine uses jQuery so use it.
+		var $ = jQuery;
+		var s = $('#issue_status_id');
+		if (s.length === 0) {
+			return;
+		}
+		var f = $('#issue-form');
+		if (f.length === 0) {
+			return;
+		}
+		s.val(newStatus);
+		f.submit();
+	} else {
+		// redmine uses prototype so use it.
+		var s = $('issue_status_id');
+		if (s === null) {
+			return;
+		}
+		var f = $('issue-form');
+		s.value = newStatus;
+		f.submit();
+	}
+};
+
diff --git a/init.rb b/init.rb
new file mode 100644
index 0000000..7134458
--- /dev/null
+++ b/init.rb
@@ -0,0 +1,22 @@
+require 'redmine'
+
+require_dependency 'issues_status_hook'
+
+Redmine::Plugin.register :status_button do
+  name 'Redmine Status Button plugin'
+  author 'Zhang Fan'
+  description 'Change the issues status by just one click.'
+  version '0.0.1'
+  url 'http://web.4399.com'
+  author_url 'mailto:zhangfan@4399.net'
+  requires_redmine :version_or_higher => '2.3.0'
+  settings :default => {
+    :status_assigned_to              => {}
+  }, :partial => 'settings/status_button_settings'
+end
+
+module StatusButton
+  class Hooks < Redmine::Hook::ViewListener
+    render_on :view_issues_show_details_bottom, :partial => 'issues/status_button'
+  end
+end
diff --git a/lib/issues_status_hook.rb b/lib/issues_status_hook.rb
new file mode 100644
index 0000000..0f8fb0c
--- /dev/null
+++ b/lib/issues_status_hook.rb
@@ -0,0 +1,29 @@
+
+class IssueStatusHook < Redmine::Hook::ViewListener
+	def controller_issues_new_before_save(context={})
+		update_issues(context[:issue])
+	end
+	
+	def controller_issues_edit_before_save(context={})
+		# TODO: 检测status变更（需要用到issues@attributes_before_change）
+		update_issues(context[:issue])
+	end
+	
+	def update_issues(issue)
+		status_to_user = status_to(issue)
+		issue.assigned_to_id = status_to_user[issue.status_id] if status_to_user[issue.status_id]
+		issue.watcher_user_ids = issue.watcher_user_ids | status_to_user.map{|s,u| u}
+	end
+	
+	def status_to(issue)
+		plugin = Redmine::Plugin.find(:status_button)
+		setting = Setting["plugin_#{plugin.id}"] || plugin.settings[:default]
+		status_to_user = {}
+		setting[:status_assigned_to].each { |s, a|
+			unless a.blank?
+				f = issue.custom_field_values.find { |f| f.custom_field_id == Integer(a) }
+				status_to_user[Integer(s)] = Integer(f.value) if f && !f.value.empty?
+			end }
+		status_to_user
+	end
+end