diff --git a/FreeSql.Tests/FreeSql.Tests/Dameng/DamengCodeFirstTest.cs b/FreeSql.Tests/FreeSql.Tests/Dameng/DamengCodeFirstTest.cs
index df3ff443..bb456652 100644
--- a/FreeSql.Tests/FreeSql.Tests/Dameng/DamengCodeFirstTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests/Dameng/DamengCodeFirstTest.cs
@@ -306,6 +306,7 @@ namespace FreeSql.Tests.Dameng
         [Fact]
         public void CurdAllField()
         {
+            g.dameng.Delete<TableAllType>().Where("1=1").ExecuteAffrows();
             var item2 = new TableAllType
             {
                 Bool = true,
diff --git a/FreeSql.Tests/FreeSql.Tests/UnitTest3.cs b/FreeSql.Tests/FreeSql.Tests/UnitTest3.cs
index e77bb1b4..28ea2939 100644
--- a/FreeSql.Tests/FreeSql.Tests/UnitTest3.cs
+++ b/FreeSql.Tests/FreeSql.Tests/UnitTest3.cs
@@ -155,6 +155,10 @@ namespace FreeSql.Tests
         [Fact]
         public void Test03()
         {
+            var tttrule = 8;
+            var tttid = new long[] { 18, 19, 4017 };
+            g.sqlserver.Update<Author123>().Set(it => it.SongId == (short)(it.SongId & ~tttrule)).Where(it => (it.SongId & tttrule) == tttrule && !tttid.Contains(it.Id)).ExecuteAffrows();
+
             g.sqlite.Delete<Song123>().Where("1=1").ExecuteAffrows();
             g.sqlite.Delete<Author123>().Where("1=1").ExecuteAffrows();
             g.sqlite.Insert(new Song123(1)).ExecuteAffrows();
diff --git a/FreeSql/Internal/CommonExpression.cs b/FreeSql/Internal/CommonExpression.cs
index 542e7859..c870a2f9 100644
--- a/FreeSql/Internal/CommonExpression.cs
+++ b/FreeSql/Internal/CommonExpression.cs
@@ -580,6 +580,7 @@ namespace FreeSql.Internal
             {
                 case ExpressionType.Not:
                     var notExp = (exp as UnaryExpression)?.Operand;
+                    if (notExp.Type.IsNumberType()) return $"~{ExpressionLambdaToSql(notExp, tsc)}"; //位操作
                     if (notExp.NodeType == ExpressionType.MemberAccess)
                     {
                         var notBody = ExpressionLambdaToSql(notExp, tsc);