From 7cb457a0c2dfdfceb3244ba78ce9b4821a45ab0d Mon Sep 17 00:00:00 2001
From: sunkaixuan <610262374@qq.com>
Date: Wed, 27 Mar 2024 19:26:05 +0800
Subject: [PATCH] Synchronization code

---
 .../Abstract/SqlBuilderProvider/InsertBuilder.cs         | 9 ++++++++-
 .../Abstract/SqlBuilderProvider/UpdateBuilder.cs         | 9 ++++++++-
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/Src/Asp.NetCore2/SqlSugar/Abstract/SqlBuilderProvider/InsertBuilder.cs b/Src/Asp.NetCore2/SqlSugar/Abstract/SqlBuilderProvider/InsertBuilder.cs
index 450113b4c..5faa748f1 100644
--- a/Src/Asp.NetCore2/SqlSugar/Abstract/SqlBuilderProvider/InsertBuilder.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Abstract/SqlBuilderProvider/InsertBuilder.cs
@@ -297,7 +297,14 @@ namespace SqlSugar
             {
                 if (columnInfo.InsertSql.Contains("{0}")) 
                 {
-                    return string.Format(columnInfo.InsertSql, columnInfo.Value?.ObjToString().ToSqlFilter());
+                    if (columnInfo.Value == null)
+                    {
+                        return string.Format(columnInfo.InsertSql, "null");
+                    }
+                    else
+                    {
+                        return string.Format(columnInfo.InsertSql, columnInfo.Value?.ObjToString().ToSqlFilter());
+                    }
                 }
                 return columnInfo.InsertSql;
             }
diff --git a/Src/Asp.NetCore2/SqlSugar/Abstract/SqlBuilderProvider/UpdateBuilder.cs b/Src/Asp.NetCore2/SqlSugar/Abstract/SqlBuilderProvider/UpdateBuilder.cs
index e923a5c10..ac792cb09 100644
--- a/Src/Asp.NetCore2/SqlSugar/Abstract/SqlBuilderProvider/UpdateBuilder.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Abstract/SqlBuilderProvider/UpdateBuilder.cs
@@ -484,7 +484,14 @@ namespace SqlSugar
             {
                 if (columnInfo.UpdateSql.Contains("{0}"))
                 {
-                    return string.Format(columnInfo.UpdateSql, columnInfo.Value?.ObjToString().ToSqlFilter());
+                    if (columnInfo.Value == null)
+                    {
+                        return string.Format(columnInfo.UpdateSql, "null");
+                    }
+                    else
+                    {
+                        return string.Format(columnInfo.UpdateSql, columnInfo.Value?.ObjToString().ToSqlFilter());
+                    }
                 }
                 return columnInfo.UpdateSql;
             }