diff --git a/Src/Asp.Net/SqlSugar/Abstract/CodeFirstProvider/CodeFirstProvider.cs b/Src/Asp.Net/SqlSugar/Abstract/CodeFirstProvider/CodeFirstProvider.cs
index 4235e905f..5a111f10f 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/CodeFirstProvider/CodeFirstProvider.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/CodeFirstProvider/CodeFirstProvider.cs
@@ -609,6 +609,14 @@ namespace SqlSugar
             {
                 return properyTypeName != dataType;
             }
+            else if (this.Context.CurrentConnectionConfig.DbType == DbType.SqlServer && dataType.EqualCase("timestamp") && properyTypeName.EqualCase("varbinary"))
+            {
+                return false;
+            }
+            else if (dataType.EqualCase("numeric") && properyTypeName.EqualCase("decimal")) 
+            {
+                return false;
+            }
             else
             {
                 return properyTypeName.ToLower() != dataType.ToLower();