diff --git a/Src/Asp.NetCore2/MongoDbTest/UnitTest/Update.cs b/Src/Asp.NetCore2/MongoDbTest/UnitTest/Update.cs
index 885ad32ba..3d622d82d 100644
--- a/Src/Asp.NetCore2/MongoDbTest/UnitTest/Update.cs
+++ b/Src/Asp.NetCore2/MongoDbTest/UnitTest/Update.cs
@@ -14,6 +14,25 @@ namespace MongoDbTest
             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 }).ExecuteCommandAsync().GetAwaiter().GetResult();
+            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 }
+            }).ExecuteCommandAsync().GetAwaiter().GetResult();
+
+            var list=db.Queryable<Student>().ToList();
+            db.Insertable(new Student() { Age = 1, Name = "xx", SchoolId = "111", CreateDateTime = DateTime.Now }).ExecuteCommandAsync().GetAwaiter().GetResult();
+            foreach (var item in list)
+            {
+                item.Name = item.Name + "haha";
+            }
+            db.Updateable(list).ExecuteCommand();
+            var list2 = db.Queryable<Student>().ToList();
+            foreach (var item in list2)
+            {
+                if (item.Name == "xx") continue;
+                if (!item.Name.EndsWith("haha")) Cases.ThrowUnitError();
+            }
         }
         [SqlSugar.SugarTable("UnitStudentdghhuesd3z1")]
         public class Student : MongoDbBase