修复在线咨询页面显示为空白的bug

@@ -468,6 +468,12 @@ class HomeController extends AbstractAction
         if ($cateId > 0) {
             $service = Home\OnlineModel::getOnlineServiceDetail($cateId);
         }
+
+	    $service = array(
+		    'header' => array('title' => '在线客服'),
+		    'service' => $service
+	    );
+
         $this->setTitle('在线客服');
         $this->setNavHeader($cateName, true, '');
         $this->_view->display('online-service-detail', $service);

@@ -70,21 +70,17 @@ class OnlineModel
             return $result;
         }
         $res = OnlineData::getOnlineServiceDetail($cateId, $clinetType);
+        if (isset($res['code']) && $res['code'] === 200) {
 	        $questionInfo = $res['data'];
-        if ($questionInfo) {
             $list = array();
-            if ($questionInfo) {
             foreach ($questionInfo as $qk => $qv) {
                 $list[$qk]['q'] = $qv['title'];
                 $list[$qk]['a'] = $qv['content'];
             }
+
+	        !empty($list) && $result['list'] = $list;
         }
-            //处理返回信息
-            $result = array(
-                'header' => array('title' => '在线客服'),
-                'list' => $list
-            );
-        }
+
         return $result;
     }