diff --git a/SqlServerTest/UnitTest/DataTest.cs b/SqlServerTest/UnitTest/DataTest.cs
index a27868484..7b82bfb38 100644
--- a/SqlServerTest/UnitTest/DataTest.cs
+++ b/SqlServerTest/UnitTest/DataTest.cs
@@ -41,6 +41,7 @@ namespace OrmTest.UnitTest
             };
             var id = db.Insertable<DataTestInfo>(insertObject).ExecuteReutrnIdentity();
             var data = db.Queryable<DataTestInfo>().InSingle(id);
+            db.Updateable(data).ExecuteCommand();
         }
         public SqlSugarClient GetInstance()
         {
diff --git a/SqlSugar/Abstract/InsertableProvider/InsertableProvider.cs b/SqlSugar/Abstract/InsertableProvider/InsertableProvider.cs
index 486b0177a..fe6c2e7b5 100644
--- a/SqlSugar/Abstract/InsertableProvider/InsertableProvider.cs
+++ b/SqlSugar/Abstract/InsertableProvider/InsertableProvider.cs
@@ -132,7 +132,7 @@ namespace SqlSugar
                 foreach (var item in this.InsertBuilder.DbColumnInfoList)
                 {
                     if (this.InsertBuilder.Parameters == null) this.InsertBuilder.Parameters = new List<SugarParameter>();
-                    var paramters = new SugarParameter(this.SqlBuilder.SqlParameterKeyWord + item.DbColumnName, item.Value);
+                    var paramters = new SugarParameter(this.SqlBuilder.SqlParameterKeyWord + item.DbColumnName, item.Value,item.PropertyType);
                     if (InsertBuilder.IsInsertNull && paramters.Value == null) {
                         continue;
                     }
@@ -155,6 +155,7 @@ namespace SqlSugar
                         Value = column.PropertyInfo.GetValue(item,null),
                         DbColumnName = GetDbColumnName(column.PropertyName),
                         PropertyName = column.PropertyName,
+                        PropertyType=PubMethod.GetUnderType(column.PropertyInfo),
                         TableId = i
                     };
                     insertItem.Add(columnInfo);
diff --git a/SqlSugar/Abstract/UpdateProvider/UpdateableProvider.cs b/SqlSugar/Abstract/UpdateProvider/UpdateableProvider.cs
index 7fd2a8479..460c0ccfc 100644
--- a/SqlSugar/Abstract/UpdateProvider/UpdateableProvider.cs
+++ b/SqlSugar/Abstract/UpdateProvider/UpdateableProvider.cs
@@ -145,6 +145,7 @@ namespace SqlSugar
                         Value = column.PropertyInfo.GetValue(item, null),
                         DbColumnName = GetDbColumnName(column.PropertyName),
                         PropertyName = column.PropertyName,
+                        PropertyType=PubMethod.GetUnderType(column.PropertyInfo),
                         TableId = i
                     };
                     insertItem.Add(columnInfo);
@@ -171,7 +172,7 @@ namespace SqlSugar
                 foreach (var item in this.UpdateBuilder.DbColumnInfoList)
                 {
                     if (this.UpdateBuilder.Parameters == null) this.UpdateBuilder.Parameters = new List<SugarParameter>();
-                    this.UpdateBuilder.Parameters.Add(new SugarParameter(this.SqlBuilder.SqlParameterKeyWord + item.DbColumnName, item.Value));
+                    this.UpdateBuilder.Parameters.Add(new SugarParameter(this.SqlBuilder.SqlParameterKeyWord + item.DbColumnName, item.Value,item.PropertyType));
                 }
             }
 
diff --git a/SqlSugar/Common/PubConst.cs b/SqlSugar/Common/PubConst.cs
index e51b53145..3980de698 100644
--- a/SqlSugar/Common/PubConst.cs
+++ b/SqlSugar/Common/PubConst.cs
@@ -14,6 +14,7 @@ namespace SqlSugar
         internal static Type GuidType = typeof(Guid);
         internal static Type DateType = typeof(DateTime);
         internal static Type ByteType = typeof(Byte);
+        internal static Type ByteArrayType = typeof(byte[]);
         internal static Type BoolType = typeof(bool);
         internal static Type ObjType = typeof(object);
         internal static Type Dob = typeof(double);
diff --git a/SqlSugar/Common/PubMethod.cs b/SqlSugar/Common/PubMethod.cs
index 82aba0b72..6763fa422 100644
--- a/SqlSugar/Common/PubMethod.cs
+++ b/SqlSugar/Common/PubMethod.cs
@@ -17,6 +17,13 @@ namespace SqlSugar
             return unType;
         }
 
+        internal static Type GetUnderType(PropertyInfo propertyInfo)
+        {
+            Type unType = Nullable.GetUnderlyingType(propertyInfo.PropertyType);
+            unType = unType ?? propertyInfo.PropertyType;
+            return unType;
+        }
+
         internal static T IsNullReturnNew<T>(T returnObj) where T :  new()
         {
             if (returnObj.IsNullOrEmpty())
diff --git a/SqlSugar/Entities/DbColumnInfo.cs b/SqlSugar/Entities/DbColumnInfo.cs
index 54ade95b9..e9f81858a 100644
--- a/SqlSugar/Entities/DbColumnInfo.cs
+++ b/SqlSugar/Entities/DbColumnInfo.cs
@@ -11,6 +11,7 @@ namespace SqlSugar
         public string DbColumnName { get; set; }
         public string PropertyName { get; set; }
         public string DataType { get; set; }
+        public Type PropertyType { get; set; }
         public int Length { get; set; }
         public string ColumnDescription { get; set; }
         public string DefaultValue { get; set; }
diff --git a/SqlSugar/ExpressionsToSql/Common/SugarParameter.cs b/SqlSugar/ExpressionsToSql/Common/SugarParameter.cs
index 751cf6581..da100eaa3 100644
--- a/SqlSugar/ExpressionsToSql/Common/SugarParameter.cs
+++ b/SqlSugar/ExpressionsToSql/Common/SugarParameter.cs
@@ -14,11 +14,33 @@ namespace SqlSugar
             this.Value = value;
             this.ParameterName = name;
         }
-        public SugarParameter(string name, object value,bool isOutput)
+        public SugarParameter(string name, object value, Type type)
         {
             this.Value = value;
             this.ParameterName = name;
-            if (isOutput) {
+            if (type == PubConst.ByteArrayType)
+            {
+                this.DbType = System.Data.DbType.Binary;
+            }
+            else if (type == PubConst.GuidType)
+            {
+                this.DbType = System.Data.DbType.Guid;
+            }
+            else if (type == PubConst.IntType)
+            {
+                this.DbType = System.Data.DbType.Int32;
+            }
+            else if (type == PubConst.DateType)
+            {
+                this.DbType = System.Data.DbType.Date;
+            }
+        }
+        public SugarParameter(string name, object value, bool isOutput)
+        {
+            this.Value = value;
+            this.ParameterName = name;
+            if (isOutput)
+            {
                 this.Direction = ParameterDirection.Output;
             }
         }
@@ -74,7 +96,7 @@ namespace SqlSugar
 
         public override DataRowVersion SourceVersion
         {
-            get;set;
+            get; set;
         }
 
         public override void ResetDbType()