From f7205b041480456cf40a09f48adf6e89c4bb87e8 Mon Sep 17 00:00:00 2001
From: 28810 <28810@YEXIANGQIN>
Date: Mon, 6 Jan 2020 12:00:50 +0800
Subject: [PATCH] =?UTF-8?q?-=20=E4=BC=98=E5=8C=96=20IsVersion=20=E5=AD=97?=
 =?UTF-8?q?=E6=AE=B5=E6=9B=B4=E6=96=B0=20version=3Difnull(version,0)+1?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 FreeSql/Internal/CommonProvider/UpdateProvider.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/FreeSql/Internal/CommonProvider/UpdateProvider.cs b/FreeSql/Internal/CommonProvider/UpdateProvider.cs
index 9cd654f3..a38e6d0f 100644
--- a/FreeSql/Internal/CommonProvider/UpdateProvider.cs
+++ b/FreeSql/Internal/CommonProvider/UpdateProvider.cs
@@ -629,7 +629,7 @@ namespace FreeSql.Internal.CommonProvider
             if (_table.VersionColumn != null)
             {
                 var vcname = _commonUtils.QuoteSqlName(_table.VersionColumn.Attribute.Name);
-                sb.Append(", ").Append(vcname).Append(" = ").Append(vcname).Append(" + 1");
+                sb.Append(", ").Append(vcname).Append(" = ").Append(_commonUtils.IsNull(vcname, 0)).Append(" + 1");
             }
 
             sb.Append(" \r\nWHERE ");