From 4f4531be31928ed93bc4279da3fc9741232b3c28 Mon Sep 17 00:00:00 2001
From: Salih <salihozkara00@gmail.com>
Date: Wed, 24 Jul 2024 13:53:21 +0300
Subject: [PATCH] Update ElasticDocumentFullSearch.cs

---
 .../Documents/FullSearch/Elastic/ElasticDocumentFullSearch.cs   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/docs/src/Volo.Docs.Domain/Volo/Docs/Documents/FullSearch/Elastic/ElasticDocumentFullSearch.cs b/modules/docs/src/Volo.Docs.Domain/Volo/Docs/Documents/FullSearch/Elastic/ElasticDocumentFullSearch.cs
index 22d4bf9ff4..a34e27cf20 100644
--- a/modules/docs/src/Volo.Docs.Domain/Volo/Docs/Documents/FullSearch/Elastic/ElasticDocumentFullSearch.cs
+++ b/modules/docs/src/Volo.Docs.Domain/Volo/Docs/Documents/FullSearch/Elastic/ElasticDocumentFullSearch.cs
@@ -283,7 +283,7 @@ namespace Volo.Docs.Documents.FullSearch.Elastic
 
         protected virtual string NormalizeField(string field)
         {
-            return field.Replace("-", "").ToLower();
+            return field?.Replace("-", "").ToLower();
         }
     }
 }