diff --git a/Src/Asp.NetCore2/MongoDbTest/UnitTest/Cases.cs b/Src/Asp.NetCore2/MongoDbTest/UnitTest/Cases.cs
index b2b3ea97d..de934ddd6 100644
--- a/Src/Asp.NetCore2/MongoDbTest/UnitTest/Cases.cs
+++ b/Src/Asp.NetCore2/MongoDbTest/UnitTest/Cases.cs
@@ -14,6 +14,9 @@ namespace MongoDbTest
             QuerySingle.Init();
             QueryWhere.Init();
             QuerySelect.Init();
+            Insert.Init();
+            Update.Init();
+            Delete.Init();
         } 
         public static void ThrowUnitError()
         {
diff --git a/Src/Asp.NetCore2/MongoDbTest/UnitTest/Delete.cs b/Src/Asp.NetCore2/MongoDbTest/UnitTest/Delete.cs
new file mode 100644
index 000000000..106e91454
--- /dev/null
+++ b/Src/Asp.NetCore2/MongoDbTest/UnitTest/Delete.cs
@@ -0,0 +1,30 @@
+using SqlSugar.MongoDb;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MongoDbTest
+{
+    public class Delete
+    {
+        internal static void Init()
+        {
+            var db = DBHelper.DbHelper.GetNewDb();
+            db.CodeFirst.InitTables<Student>();
+            db.DbMaintenance.TruncateTable<Student>();
+        }
+        [SqlSugar.SugarTable("UnitStudent1ssdds3z1")]
+        public class Student : MongoDbBase
+        {
+            public string Name { get; set; }
+
+            public string SchoolId { get; set; }
+
+            public int Age { get; set; }
+
+            public DateTime CreateDateTime { get; set; }
+        }
+    }
+}
diff --git a/Src/Asp.NetCore2/MongoDbTest/UnitTest/Insert.cs b/Src/Asp.NetCore2/MongoDbTest/UnitTest/Insert.cs
new file mode 100644
index 000000000..8260ac3db
--- /dev/null
+++ b/Src/Asp.NetCore2/MongoDbTest/UnitTest/Insert.cs
@@ -0,0 +1,41 @@
+using SqlSugar.MongoDb;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.Http.Headers;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MongoDbTest 
+{
+    public class Insert
+    {
+        internal static void Init()
+        {
+            var db = DBHelper.DbHelper.GetNewDb();
+            db.CodeFirst.InitTables<Student>();
+            db.DbMaintenance.TruncateTable<Student>();
+
+            db.Insertable(new Student() { Age = 1, Name = "11", SchoolId = "111", CreateDateTime = DateTime.Now }).ExecuteCommand();
+            db.Insertable(new List<Student>() {
+            new Student() { Age = 2, Name = "22", SchoolId = "222", CreateDateTime = DateTime.Now },
+            new Student() { Age = 3, Name = "33", SchoolId = "333", CreateDateTime = DateTime.Now }
+            }).ExecuteCommand();
+
+            if (db.Queryable<Student>().Count() != 3) Cases.ThrowUnitError();
+            var list=db.Queryable<Student>().ToList();
+            if (list.First().Name!="11"|| list.Last().Name != "33") Cases.ThrowUnitError();
+        }
+        [SqlSugar.SugarTable("UnitStudent1ddsfhssds3z1")]
+        public class Student : MongoDbBase
+        {
+            public string Name { get; set; }
+
+            public string SchoolId { get; set; }
+
+            public int Age { get; set; }
+
+            public DateTime CreateDateTime { get; set; }
+        }
+    }
+}
diff --git a/Src/Asp.NetCore2/MongoDbTest/UnitTest/Update.cs b/Src/Asp.NetCore2/MongoDbTest/UnitTest/Update.cs
new file mode 100644
index 000000000..885ad32ba
--- /dev/null
+++ b/Src/Asp.NetCore2/MongoDbTest/UnitTest/Update.cs
@@ -0,0 +1,30 @@
+using SqlSugar.MongoDb;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MongoDbTest 
+{
+    public class Update
+    {
+        internal static void Init()
+        {
+            var db = DBHelper.DbHelper.GetNewDb();
+            db.CodeFirst.InitTables<Student>();
+            db.DbMaintenance.TruncateTable<Student>();
+        }
+        [SqlSugar.SugarTable("UnitStudentdghhuesd3z1")]
+        public class Student : MongoDbBase
+        {
+            public string Name { get; set; }
+
+            public string SchoolId { get; set; }
+
+            public int Age { get; set; }
+
+            public DateTime CreateDateTime { get; set; }
+        }
+    }
+}