diff --git a/Src/Asp.Net/MySqlTest/Demos/1_Query.cs b/Src/Asp.Net/MySqlTest/Demos/1_Query.cs
index 75d8fa232..26e7c4212 100644
--- a/Src/Asp.Net/MySqlTest/Demos/1_Query.cs
+++ b/Src/Asp.Net/MySqlTest/Demos/1_Query.cs
@@ -160,7 +160,7 @@ namespace OrmTest.Demo
             var getNew = db.Queryable<Student>().Where(it => it.Id == 1).Select(it => new { id = SqlFunc.IIF(it.Id == 0, 1, it.Id), it.Name, it.SchoolId }).ToList();
             var getAllNoLock = db.Queryable<Student>().With(SqlWith.NoLock).ToList();
             var getByPrimaryKey = db.Queryable<Student>().InSingle(2);
-            var getSingleOrDefault = db.Queryable<Student>().Single();
+            var getSingleOrDefault = db.Queryable<Student>().Where(it => it.Id == 2).Single();
             var getFirstOrDefault = db.Queryable<Student>().First();
             var getByWhere = db.Queryable<Student>().Where(it => it.Id == 1 || it.Name == "a").ToList();
             var getByFuns = db.Queryable<Student>().Where(it => SqlFunc.IsNullOrEmpty(it.Name)).ToList();
diff --git a/Src/Asp.Net/SqliteTest/DataBase/SqlSugar4xTest.sqlite b/Src/Asp.Net/SqliteTest/DataBase/SqlSugar4xTest.sqlite
index 329a6f80e..37c44a8bc 100644
Binary files a/Src/Asp.Net/SqliteTest/DataBase/SqlSugar4xTest.sqlite and b/Src/Asp.Net/SqliteTest/DataBase/SqlSugar4xTest.sqlite differ
diff --git a/Src/Asp.Net/SqliteTest/Demos/1_Query.cs b/Src/Asp.Net/SqliteTest/Demos/1_Query.cs
index db87abb84..f756f1f81 100644
--- a/Src/Asp.Net/SqliteTest/Demos/1_Query.cs
+++ b/Src/Asp.Net/SqliteTest/Demos/1_Query.cs
@@ -159,7 +159,7 @@ namespace OrmTest.Demo
             var getNew = db.Queryable<Student>().Where(it => it.Id == 1).Select(it => new { id = SqlFunc.IIF(it.Id == 0, 1, it.Id), it.Name, it.SchoolId }).ToList();
             var getAllNoLock = db.Queryable<Student>().With(SqlWith.NoLock).ToList();
             var getByPrimaryKey = db.Queryable<Student>().InSingle(2);
-            var getSingleOrDefault = db.Queryable<Student>().Single();
+            var getSingleOrDefault = db.Queryable<Student>().Where(it=>it.Id==2).Single();
             var getFirstOrDefault = db.Queryable<Student>().First();
             var getByWhere = db.Queryable<Student>().Where(it => it.Id == 1 || it.Name == "a").ToList();
             var getByFuns = db.Queryable<Student>().Where(it => SqlFunc.IsNullOrEmpty(it.Name)).ToList();