From 8df84e14f1190b4046b2de94bfd831d8871fbf28 Mon Sep 17 00:00:00 2001
From: jilingy <jilingy@chanjet.com>
Date: Sun, 20 Jul 2025 15:51:25 +0800
Subject: [PATCH] if rule.message is null, it should be regarded as invalid,
 not only undefined

---
 src/index.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/index.ts b/src/index.ts
index 532bdda..57e2e17 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -201,7 +201,7 @@ class Schema {
           if (!options.suppressWarning && errorList.length) {
             Schema.warning('async-validator:', errorList);
           }
-          if (errorList.length && rule.message !== undefined) {
+          if (errorList.length && rule.message !== undefined && rule.message !== null) {
             errorList = [].concat(rule.message);
           }