更新代码，完善功能

app/controller/admin/Index.php

@@ -58,10 +58,9 @@ class Index extends Admin {
 	 * @title 后台退出
 	 * @return html
 	 */
-	public function logout() {
-		$user = model('Member');
-		$user->logout();
-		$this->redirect('admin/index/login');
+	public function logout(Member $user) {
+		Session::delete('userInfo');
+		$this->redirect('/admin/login');
 	}
 
 	/**
@@ -87,12 +86,10 @@ class Index extends Admin {
 				),
 				),
 			);
-			$data = array(
+			$this->data = array(
 				'keyList' => $keylist,
 			);
-			$this->assign($data);
-			$this->setMeta("更新缓存");
-			return $this->fetch('public/edit');
+			return $this->fetch('admin/public/edit');
 		}
 	}
 }