From 562a436878ce8f3f5308f72744723ebf0f99f179 Mon Sep 17 00:00:00 2001
From: Tony Han <huarui2219@qq.com>
Date: Wed, 6 Jul 2022 19:46:13 +0800
Subject: [PATCH] =?UTF-8?q?=E6=8E=92=E9=99=A4=E4=B8=BA=20null=20=E7=9A=84?=
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---
 FreeSql/Internal/CommonProvider/InsertOrUpdateProvider.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/FreeSql/Internal/CommonProvider/InsertOrUpdateProvider.cs b/FreeSql/Internal/CommonProvider/InsertOrUpdateProvider.cs
index 5d97f059..2f309f0b 100644
--- a/FreeSql/Internal/CommonProvider/InsertOrUpdateProvider.cs
+++ b/FreeSql/Internal/CommonProvider/InsertOrUpdateProvider.cs
@@ -127,10 +127,10 @@ namespace FreeSql.Internal.CommonProvider
             {
                 var tempDict = new Dictionary<string, object>();
                 foreach (var item in dicType)
-                { 
+                {
                     foreach (string key in item.Keys)
                     {
-                        if (!tempDict.ContainsKey(key))
+                        if (!tempDict.ContainsKey(key) && !(item[key] is null))
                         {
                             tempDict[key] = item[key];
                         }