<?php 
	class Wx_xyx extends M_Controller {
		public function index(){
			$this->template->display("wx.html");
		}
}

对应的模板是/default/wx.html

<?php 
	class Wx_xyx extends M_Controller {
		public function index(){
			$this->template->display("wx_xyx.html");
		}
}

对应的模板是/default/home/wx_xyx.html