diff --git a/FreeSql.Tests/FreeSql.Tests/Issues/803.cs b/FreeSql.Tests/FreeSql.Tests/Issues/803.cs
new file mode 100644
index 00000000..dc98e8e2
--- /dev/null
+++ b/FreeSql.Tests/FreeSql.Tests/Issues/803.cs
@@ -0,0 +1,66 @@
+using FreeSql.DataAnnotations;
+using Newtonsoft.Json;
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+using Xunit;
+
+namespace FreeSql.Tests.Issues
+{
+    public class _803
+    {
+        [Table(Name = "crm_sale_order")]
+        class crm_sale_order
+        {
+            [Column(IsPrimary = true, IsIdentity = true)]
+            public int id { get; set; }
+            public string name { get; set; }
+
+            public int tag_count { get; set; }
+            public int gateway_count { get; set; }
+
+            [JsonProperty, Column(DbType = "varchar(30)", CanUpdate = false)]
+            public string create_by { get; set; } = string.Empty;
+
+            [JsonProperty, Column(DbType = "datetime", CanUpdate = false)]
+            public DateTime create_time { get; set; }
+        }
+
+        [Fact]
+        public void IgnoreColumnsTest()
+        {
+            IFreeSql fsql = g.mysql;
+            var dto = new crm_sale_order
+            {
+                name = "name",
+                create_by = "create_by",
+                create_time = DateTime.Now
+            };
+            fsql.Insert<crm_sale_order>().AppendData(dto).ExecuteAffrows();
+
+            var crmDto = fsql.Select<crm_sale_order>().OrderByDescending(r => r.id).First();
+
+            crmDto.name = "name" + new Random().Next(100);
+            crmDto.tag_count = new Random().Next(100);
+            crmDto.gateway_count = new Random().Next(100);
+            crmDto.create_by = "create_by" + new Random().Next(100);
+            crmDto.create_time = DateTime.Now.AddMinutes(10);
+
+            fsql.Update<crm_sale_order>().SetSource(crmDto).IgnoreColumns(s => new { s.tag_count, s.gateway_count }).ExecuteAffrows();
+
+            var updateDto = fsql.Select<crm_sale_order>().OrderByDescending(r => r.id).First();
+
+            Assert.Equal(updateDto.tag_count, dto.tag_count);
+            Assert.Equal(updateDto.gateway_count, dto.gateway_count);
+            Assert.Equal(updateDto.create_time.ToString("g"), dto.create_time.ToString("g"));
+            Assert.Equal(updateDto.create_by, dto.create_by);
+
+            Assert.Equal(updateDto.name, crmDto.name);
+
+        }
+    }
+}
diff --git a/FreeSql/Internal/CommonProvider/UpdateProvider.cs b/FreeSql/Internal/CommonProvider/UpdateProvider.cs
index e59bc898..cb64f283 100644
--- a/FreeSql/Internal/CommonProvider/UpdateProvider.cs
+++ b/FreeSql/Internal/CommonProvider/UpdateProvider.cs
@@ -351,8 +351,9 @@ namespace FreeSql.Internal.CommonProvider
         {
             var cols = columns.Distinct().ToDictionary(a => a);
             _ignore.Clear();
+            IgnoreCanUpdate();
             foreach (var col in _table.Columns.Values)
-                if (cols.ContainsKey(col.Attribute.Name) == true || cols.ContainsKey(col.CsName) == true)
+                if (!_ignore.ContainsKey(col.Attribute.Name) && (cols.ContainsKey(col.Attribute.Name) == true || cols.ContainsKey(col.CsName) == true))
                     _ignore.Add(col.Attribute.Name, true);
             return this;
         }