diff --git a/app/admin/validate/v1/SysBannerValidate.php b/app/admin/validate/v1/SysBannerValidate.php
index b8539327..36df084b 100644
--- a/app/admin/validate/v1/SysBannerValidate.php
+++ b/app/admin/validate/v1/SysBannerValidate.php
@@ -61,7 +61,7 @@ class SysBannerValidate extends Validate
     }
 
     // 验证是否为空
-    private function empty($value, $rule, $data)
+    protected function empty($value, $rule, $data)
     {
         if (!isset($data['unique_label'])) {
             return true;