* admin: refactor storage of cache.

module/admin/control.php

@@ -591,7 +591,7 @@ class admin extends control
             if(!extension_loaded('apcu')) return $this->send(array('result' => 'fail', 'message' => $this->lang->admin->apcuNotFound));
 
             $cache = form::data()->get();
-            $this->loadModel('setting')->setItem('system.common.cache.enableDAO', $cache->enable);
+            $this->loadModel('setting')->setItem('system.common.global.cache', json_encode($cache));
             return $this->send(array('result' => 'success', 'message' => $this->lang->saveSuccess, 'load' => true));
         }
 

module/admin/ui/cache.html.php

@@ -17,9 +17,9 @@ formPanel
         set::label($lang->admin->daoCache),
         radioList
         (
-            set::name('enable'),
+            set::name('dao[enable]'),
             set::items($lang->admin->cacheStatusList),
-            set::value($config->cache->enableDAO),
+            set::value($config->cache->dao->enable),
             set::inline(true)
         )
     )