diff --git a/Src/Asp.Net/SqlServerTest/BugTest/Bug2.cs b/Src/Asp.Net/SqlServerTest/BugTest/Bug2.cs
index 7fb7a5251..e3dae19aa 100644
--- a/Src/Asp.Net/SqlServerTest/BugTest/Bug2.cs
+++ b/Src/Asp.Net/SqlServerTest/BugTest/Bug2.cs
@@ -96,6 +96,14 @@ namespace OrmTest.BugTest
             DB.CodeFirst.InitTables(typeof(DataTest));
             DB.Insertable(new DataTest()).ExecuteCommand();
 
+            // 初始化实体表
+            DB.CodeFirst.SetStringDefaultLength(255).InitTables(typeof(TestA));
+
+            var testa = new TestA();
+            testa.Col1 = "2333333";
+            testa.Col3 = "444";
+
+            DB.Saveable(testa).ExecuteCommand();
         }
     }
 
@@ -114,7 +122,24 @@ namespace OrmTest.BugTest
 
         public string Name { get; set; }
     }
+    public class Base : ModelContext
+    {
 
+        [SugarColumn(IsPrimaryKey = true)]
+        public string Id { get; set; } = Guid.NewGuid().ToString();
+
+
+        [SugarColumn(IsNullable = true)]
+        public string Col3 { get; set; }
+    }
+
+    public class TestA : Base
+    {
+        public string Col1 { get; set; }
+
+        [SugarColumn(IsIgnore = true)]
+        public string Col2 { get; set; }
+    }
     public partial class UserOrganizationUnit
     {
         [SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
diff --git a/Src/Asp.Net/SqlSugar/Abstract/SaveableProvider/SaveableProvider.cs b/Src/Asp.Net/SqlSugar/Abstract/SaveableProvider/SaveableProvider.cs
index 51b43ea87..fc1605378 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/SaveableProvider/SaveableProvider.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/SaveableProvider/SaveableProvider.cs
@@ -34,7 +34,7 @@ namespace SqlSugar
                 var pks = GetPrimaryKeys();
                 Check.Exception(pks.IsNullOrEmpty(), "Need primary key");
                 Check.Exception(pks.Count() > 1, "Multiple primary keys are not supported");
-                var pkInfo = this.EntityInfo.Columns.Where(it => it.DbColumnName.Equals(pks.First(), StringComparison.CurrentCultureIgnoreCase)).First();
+                var pkInfo = this.EntityInfo.Columns.Where(it=>it.IsIgnore==false).Where(it => it.DbColumnName.Equals(pks.First(), StringComparison.CurrentCultureIgnoreCase)).First();
                 var pkValues = saveObjects.Select(it=>it.GetType().GetProperty(pkInfo.PropertyName).GetValue(it,null));
                 if(existsObjects==null)
                     existsObjects=this.Context.Queryable<T>().In(pkValues).ToList();
@@ -56,7 +56,7 @@ namespace SqlSugar
                 var pks = GetPrimaryKeys();
                 Check.Exception(pks.IsNullOrEmpty(), "Need primary key");
                 Check.Exception(pks.Count() > 1, "Multiple primary keys are not supported");
-                var pkInfo = this.EntityInfo.Columns.Where(it => it.DbColumnName.Equals(pks.First(), StringComparison.CurrentCultureIgnoreCase)).First();
+                var pkInfo = this.EntityInfo.Columns.Where(it => it.IsIgnore == false).Where(it => it.DbColumnName.Equals(pks.First(), StringComparison.CurrentCultureIgnoreCase)).First();
                 var pkValues = saveObjects.Select(it => it.GetType().GetProperty(pkInfo.PropertyName).GetValue(it, null));
                 if (existsObjects == null)
                     existsObjects = this.Context.Queryable<T>().In(pkValues).ToList();