diff --git a/SqlServerTest/DataBase/script.sql b/SqlServerTest/DataBase/script.sql
index b2ecf4c49..795e063b2 100644
Binary files a/SqlServerTest/DataBase/script.sql and b/SqlServerTest/DataBase/script.sql differ
diff --git a/SqlServerTest/Models/DataTestInfo.cs b/SqlServerTest/Models/DataTestInfo.cs
new file mode 100644
index 000000000..935aefaff
--- /dev/null
+++ b/SqlServerTest/Models/DataTestInfo.cs
@@ -0,0 +1,135 @@
+using System;
+using System.Linq;
+using System.Text;
+
+namespace OrmTest.Models
+{
+    ///<summary>
+    ///
+    ///</summary>
+    public class DataTestInfo
+    {
+           public DataTestInfo(){
+
+           }
+           /// <summary>
+           /// Desc:
+           /// Default:
+           /// Nullable:False
+           /// </summary>           
+           public int Int1 {get;set;}
+
+           /// <summary>
+           /// Desc:
+           /// Default:
+           /// Nullable:True
+           /// </summary>           
+           public int? Int2 {get;set;}
+
+           /// <summary>
+           /// Desc:
+           /// Default:
+           /// Nullable:True
+           /// </summary>           
+           public string String {get;set;}
+
+           /// <summary>
+           /// Desc:
+           /// Default:
+           /// Nullable:False
+           /// </summary>           
+           public decimal Decimal1 {get;set;}
+
+           /// <summary>
+           /// Desc:
+           /// Default:
+           /// Nullable:True
+           /// </summary>           
+           public decimal? Decimal2 {get;set;}
+
+           /// <summary>
+           /// Desc:
+           /// Default:
+           /// Nullable:False
+           /// </summary>           
+           public DateTime Datetime1 {get;set;}
+
+           /// <summary>
+           /// Desc:
+           /// Default:
+           /// Nullable:True
+           /// </summary>           
+           public DateTime? Datetime2 {get;set;}
+
+           /// <summary>
+           /// Desc:
+           /// Default:
+           /// Nullable:False
+           /// </summary>           
+           public byte[] Image1 {get;set;}
+
+           /// <summary>
+           /// Desc:
+           /// Default:
+           /// Nullable:True
+           /// </summary>           
+           public byte[] Image2 {get;set;}
+
+           /// <summary>
+           /// Desc:
+           /// Default:
+           /// Nullable:False
+           /// </summary>           
+           public Guid Guid1 {get;set;}
+
+           /// <summary>
+           /// Desc:
+           /// Default:
+           /// Nullable:True
+           /// </summary>           
+           public Guid? Guid2 {get;set;}
+
+           /// <summary>
+           /// Desc:
+           /// Default:
+           /// Nullable:False
+           /// </summary>           
+           public decimal Money1 {get;set;}
+
+           /// <summary>
+           /// Desc:
+           /// Default:
+           /// Nullable:True
+           /// </summary>           
+           public decimal? Money2 {get;set;}
+
+           /// <summary>
+           /// Desc:
+           /// Default:
+           /// Nullable:False
+           /// </summary>           
+           public byte[] Varbinary1 {get;set;}
+
+           /// <summary>
+           /// Desc:
+           /// Default:
+           /// Nullable:True
+           /// </summary>           
+           public byte[] Varbinary2 {get;set;}
+
+           /// <summary>
+           /// Desc:
+           /// Default:
+           /// Nullable:False
+           /// </summary>           
+           public double Float1 {get;set;}
+
+           /// <summary>
+           /// Desc:
+           /// Default:
+           /// Nullable:True
+           /// </summary>           
+           public double? Float2 {get;set;}
+
+    }
+}
diff --git a/SqlServerTest/Program.cs b/SqlServerTest/Program.cs
index 6b32030a8..2cf8c58d5 100644
--- a/SqlServerTest/Program.cs
+++ b/SqlServerTest/Program.cs
@@ -29,7 +29,7 @@ namespace OrmTest
             new Delete(1).Init();
             new Update(1).Init();
             new Mapping(1).Init();
-
+            new DataTest(1).Init();
             /***Performance Test***/
             new SqlSugarPerformance(100).Select();
 
diff --git a/SqlServerTest/SqlServerTest.csproj b/SqlServerTest/SqlServerTest.csproj
index 91772c22c..399c33bd4 100644
--- a/SqlServerTest/SqlServerTest.csproj
+++ b/SqlServerTest/SqlServerTest.csproj
@@ -54,9 +54,11 @@
     <Compile Include="Demos\Insert.cs" />
     <Compile Include="Demos\Query.cs" />
     <Compile Include="Demos\Update.cs" />
+    <Compile Include="Models\DataTestInfo.cs" />
     <Compile Include="Models\ViewModelStudent.cs" />
     <Compile Include="PerformanceTesting\PerformanceBase.cs" />
     <Compile Include="PerformanceTesting\SqlSugarPerformance.cs" />
+    <Compile Include="UnitTest\DataTest.cs" />
     <Compile Include="UnitTest\Delete.cs" />
     <Compile Include="UnitTest\UnitTestBase.cs" />
     <Compile Include="UnitTest\ExpressionTest\Field.cs" />
diff --git a/SqlServerTest/UnitTest/DataTest.cs b/SqlServerTest/UnitTest/DataTest.cs
new file mode 100644
index 000000000..a27868484
--- /dev/null
+++ b/SqlServerTest/UnitTest/DataTest.cs
@@ -0,0 +1,51 @@
+using OrmTest.Models;
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace OrmTest.UnitTest
+{
+    public class DataTest : UnitTestBase
+    {
+        private DataTest() { }
+        public DataTest(int eachCount)
+        {
+            this.Count = eachCount;
+        }
+
+        public void Init()
+        {
+            var db = GetInstance();
+            db.DbMaintenance.TruncateTable("DataTestInfo");
+            var insertObject = new DataTestInfo()
+            {
+                Datetime1 = DateTime.Now,
+                Datetime2 = DateTime.Now,
+                Decimal1 = 1,
+                Decimal2 = 2,
+                Float1 = 3,
+                Float2 = 4,
+                Guid1 = Guid.Empty,
+                Guid2 = null,
+                Image1 = new byte[] { 1, 2 },
+                Image2 = new byte[] { 2, 3 },
+                Int1 = 5,
+                Int2 = 6,
+                Money1 = 7,
+                Money2 = 8,
+                Varbinary1 = new byte[] { 4, 5 },
+                Varbinary2 = null,
+                String = "string"
+            };
+            var id = db.Insertable<DataTestInfo>(insertObject).ExecuteReutrnIdentity();
+            var data = db.Queryable<DataTestInfo>().InSingle(id);
+        }
+        public SqlSugarClient GetInstance()
+        {
+            SqlSugarClient db = new SqlSugarClient(new ConnectionConfig() { ConnectionString = Config.ConnectionString, DbType = DbType.SqlServer, IsAutoCloseConnection = true });
+            return db;
+        }
+    }
+}
diff --git a/SqlSugar/Abstract/DbMaintenanceProvider/DbMaintenanceProvider.cs b/SqlSugar/Abstract/DbMaintenanceProvider/DbMaintenanceProvider.cs
index ea136d174..48d3239ec 100644
--- a/SqlSugar/Abstract/DbMaintenanceProvider/DbMaintenanceProvider.cs
+++ b/SqlSugar/Abstract/DbMaintenanceProvider/DbMaintenanceProvider.cs
@@ -72,7 +72,7 @@ namespace SqlSugar
 
         public virtual bool TruncateTable(string tableName)
         {
-            this.Context.Ado.ExecuteCommand(this.TruncateTableSql);
+            this.Context.Ado.ExecuteCommand(string.Format(this.TruncateTableSql,tableName));
             return true;
         }