From f194684d4bf38db91856b02e7a7b17bd097bc5c3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=90=91=E6=9E=97?= <as2252258@163.com>
Date: Sun, 8 Oct 2023 17:55:11 +0800
Subject: [PATCH] eee

---
 TypesOfValidator.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/TypesOfValidator.php b/TypesOfValidator.php
index 5e4cd55..9844e56 100644
--- a/TypesOfValidator.php
+++ b/TypesOfValidator.php
@@ -63,7 +63,7 @@ class TypesOfValidator extends BaseValidator
      */
     public function jsonFormat($field, $value): bool
     {
-        if (is_null(json_decode($value))) {
+        if (!is_string($value) || is_null(json_decode($value))) {
             return $this->addError($field, 'The ' . $field . ' not is JSON data.');
         }
         return true;