From 5e8bbb54bab76ce89158452582e29730fd7fcef7 Mon Sep 17 00:00:00 2001
From: tengfei8771 <532050072@qq.com>
Date: Wed, 14 Jun 2023 15:00:40 +0800
Subject: [PATCH] =?UTF-8?q?1.=E5=AE=8C=E5=96=84=E9=AA=8C=E8=AF=81=E9=80=BB?=
 =?UTF-8?q?=E8=BE=91?=
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---
 Src/Asp.NetCore2/SqlSugar/Utilities/ValidateExtensions.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Src/Asp.NetCore2/SqlSugar/Utilities/ValidateExtensions.cs b/Src/Asp.NetCore2/SqlSugar/Utilities/ValidateExtensions.cs
index 68a093aff..9bdf780fc 100644
--- a/Src/Asp.NetCore2/SqlSugar/Utilities/ValidateExtensions.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Utilities/ValidateExtensions.cs
@@ -157,7 +157,7 @@ namespace SqlSugar
         {
             if (type.BaseType.IsGenericType)
             {
-                return type.BaseType.GetGenericTypeDefinition().FullName == "System.Linq.Enumerable+Iterator`1";
+                return type.BaseType?.GetGenericTypeDefinition()?.FullName == "System.Linq.Enumerable+Iterator`1";
             }
             return false;
         }