diff --git a/frontend/controllers/ApiController.php b/frontend/controllers/ApiController.php
index cd26241..6483bf0 100644
--- a/frontend/controllers/ApiController.php
+++ b/frontend/controllers/ApiController.php
@@ -873,8 +873,7 @@ class ApiController extends \yii\web\Controller
         if (isset($ret['code']) && $ret['code'] == 200) {
             $result['code'] = 0;
             $result['msg'] = '短信发送成功';
-            $session = Yii::$app->session;
-            $session->set('hy_vcode_'.$params['mobile'], $code);
+            Yii::$app->cache->set('hy_vcode_'.$params['mobile'], $code);
         } else {
             $result['success'] = false;
             $result['msg'] = $ret['msg'];
@@ -905,9 +904,9 @@ class ApiController extends \yii\web\Controller
             $result['msg'] = '参数错误';
             return $result;
         }
-        if($code == '' || Yii::$app->session->get('hy_vcode_'.$mobile) != $code){
+        if($code == '' || Yii::$app->cache->get('hy_vcode_'.$mobile) != $code){
             $result['code'] = -1;
-            $result['msg'] = '验证码错误';
+            $result['msg'] = '验证码错误,系统保存为'.Yii::$app->cache->get('hy_vcode_'.$mobile);
             return $result;
         }
         if($user) {
@@ -969,7 +968,7 @@ class ApiController extends \yii\web\Controller
                 $result['code'] = -1;
                 $result['msg'] = $e->getMessage();
             }
-            Yii::$app->session->remove('hy_vcode_'.$mobile);
+            Yii::$app->cache->remove('hy_vcode_'.$mobile);
         }
         return $result;
     }