diff --git a/OrmTest/Program.cs b/OrmTest/Program.cs
index c6139fdc3..099658120 100644
--- a/OrmTest/Program.cs
+++ b/OrmTest/Program.cs
@@ -26,8 +26,8 @@ namespace OrmTest
             //new SelectQuery(1).Init();
             //new AutoClose(1).Init();
             //new Insert(1).Init();
-            //new Delete(1).Init();
-            new Update(1).Init();
+            new Delete(1).Init();
+            //new Update(1).Init();
             //new Mapping(1).Init();
 
             /***Performance Test***/
diff --git a/OrmTest/UnitTest/Delete.cs b/OrmTest/UnitTest/Delete.cs
index aee3b5364..282b6eea4 100644
--- a/OrmTest/UnitTest/Delete.cs
+++ b/OrmTest/UnitTest/Delete.cs
@@ -21,15 +21,33 @@ namespace OrmTest
         {
             var db = GetInstance();
             //by entity
-            var s1= db.Deleteable<Student>().Where(new Student() { Id = 1 }).ToSql();
+            var t1= db.Deleteable<Student>().Where(new Student() { Id = 1 }).ToSql();
+            base.Check(@"DELETE FROM [Student] WHERE Id IN ('1') ",
+               null,
+               t1.Key,
+               null, "Delte t1 error"
+           );
             //use lock
-            var s2 = db.Deleteable<Student>().With(SqlWith.RowLock).ToSql();
+            var t2 = db.Deleteable<Student>().With(SqlWith.RowLock).ToSql();
+            base.Check(@"DELETE FROM [Student] WITH(ROWLOCK) ",
+               null,
+               t2.Key,
+               null, "Delte t2 error"
+           );
+
             //by primary key
-            var s3 = db.Deleteable<Student>().In(1).ToSql();
+            var t3 = db.Deleteable<Student>().In(1).ToSql();
+            base.Check(@"DELETE FROM [Student] WHERE Id IN ('1') ",
+               null,
+               t3.Key,
+               null, "Delte tt error"
+           );
             //by primary key array
-            var s4 = db.Deleteable<Student>().In(new int[] { 1,2}).ToSql();
+            var t4 = db.Deleteable<Student>().In(new int[] { 1,2}).ToSql();
+            base.Check(@"DELETE FROM [Student] WHERE Id IN ('1','2') ", null, t4.Key, null, "Update t4 error");
+
             //by expression
-            var s5 = db.Deleteable<Student>().Where(it=>it.Id==1).ToSql();
+            var t5 = db.Deleteable<Student>().Where(it=>it.Id==1).ToSql();
         }
 
         public SqlSugarClient GetInstance()