1、解决doc标签bug（零时）

2、手机站点的开关设置

application/common/controller/Fornt.php

@@ -38,7 +38,7 @@ class Fornt extends Base {
 		//网站主题设置
 		$themes['mobile'] = config('mobile_themes') ? config('mobile_themes') : 'mobile';
 		$themes['pc']     = config('pc_themes') ? config('pc_themes') : 'default';
-		$view_path        = $this->isMobile() ? 'template/' . $themes['mobile'] . '/' : 'template/' . $themes['pc'] . '/';
+		$view_path        = ($this->isMobile() && config('open_mobile_site')) ? 'template/' . $themes['mobile'] . '/' : 'template/' . $themes['pc'] . '/';
 		$module = $this->request->module();
 		if (!in_array($module, array('index', 'install'))) {
 			$view_path_pre = $module . '/';

application/common/model/Document.php

@@ -71,6 +71,9 @@ class Document extends Base{
 	}
 
 	public function extend($name){
+		if (is_numeric($name)) {
+			$name = db('Model')->where('id', $name)->value('name');
+		}
 		$this->extend_db = db('Document' . ucfirst($name));
 		$name = strtoupper($name);
 		//$this->join('__DOCUMENT_' . $name . '__', $this->fk . '=' . $this->pk, 'LEFT');