diff --git a/FreeSql.Tests/FreeSql.Tests.Provider.MySqlConnector/MySqlConnector/Curd/MySqlUpdateTest.cs b/FreeSql.Tests/FreeSql.Tests.Provider.MySqlConnector/MySqlConnector/Curd/MySqlUpdateTest.cs
index 34f0a3c8..441fdfd5 100644
--- a/FreeSql.Tests/FreeSql.Tests.Provider.MySqlConnector/MySqlConnector/Curd/MySqlUpdateTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests.Provider.MySqlConnector/MySqlConnector/Curd/MySqlUpdateTest.cs
@@ -160,6 +160,133 @@ namespace FreeSql.Tests.MySqlConnector
             g.mysql.Update<TestEnumUpdateTb>().NoneParameter().Where(a => a.id == id).Set(a => a.type, TestEnumUpdateTbType.str1).ExecuteAffrows();
             Assert.Equal(TestEnumUpdateTbType.str1, g.mysql.Select<TestEnumUpdateTb>().Where(a => a.id == id).First()?.type);
         }
+        public class tenumcls
+        {
+            public Guid id { get; set; }
+            public tenum status { get; set; }
+        }
+        public enum tenum
+        {
+            WaitPay = 1,
+            Pay = 3,
+            Finsh = 8,
+            Cacel = 16,
+            Refunding = 32
+        }
+        [Fact]
+        public void SetEnum()
+        {
+            var fsql = g.mysql;
+            //#184
+            fsql.Delete<tenumcls>(Guid.Parse("5e83a910-672f-847c-00c1-316b71d153fb")).ExecuteAffrows();
+            var item = new tenumcls { id = Guid.Parse("5e83a910-672f-847c-00c1-316b71d153fb"), status = tenum.Finsh };
+            Assert.Equal("INSERT INTO `tenumcls`(`id`, `status`) VALUES('5e83a910-672f-847c-00c1-316b71d153fb', 'Finsh')",
+                fsql.Insert<tenumcls>().NoneParameter().AppendData(item).ToSql());
+            Assert.Equal(1, fsql.Insert<tenumcls>().NoneParameter().AppendData(item).ExecuteAffrows());
+            var item2 = fsql.Select<tenumcls>().Where(a => a.id == item.id).First();
+            Assert.Equal(item.id, item2.id);
+            Assert.Equal(tenum.Finsh, item2.status);
+
+            Assert.Equal(@"UPDATE `tenumcls` SET `status` = case when `id` = '5e83a910-672f-847c-00c1-316b71d153fb' then 'Pay' else 'Refunding' end 
+WHERE (`id` = '5e83a910-672f-847c-00c1-316b71d153fb')",
+                fsql.Update<tenumcls>(item).NoneParameter().Set(a => a.status == (a.id == item.id ? tenum.Pay : tenum.Refunding)).ToSql());
+            Assert.Equal(1, fsql.Update<tenumcls>(item).NoneParameter().Set(a => a.status == (a.id == item.id ? tenum.Pay : tenum.Refunding)).ExecuteAffrows());
+            item2 = fsql.Select<tenumcls>().Where(a => a.id == item.id).First();
+            Assert.Equal(item.id, item2.id);
+            Assert.Equal(tenum.Pay, item2.status);
+
+            Assert.Equal(@"UPDATE `tenumcls` SET `status` = 'Finsh' 
+WHERE (`id` = '5e83a910-672f-847c-00c1-316b71d153fb')",
+                fsql.Update<tenumcls>(item).NoneParameter().Set(a => a.status == tenum.Finsh).ToSql());
+            Assert.Equal(1, fsql.Update<tenumcls>(item).NoneParameter().Set(a => a.status == tenum.Finsh).ExecuteAffrows());
+            item2 = fsql.Select<tenumcls>().Where(a => a.id == item.id).First();
+            Assert.Equal(item.id, item2.id);
+            Assert.Equal(tenum.Finsh, item2.status);
+
+            Assert.Equal(@"UPDATE `tenumcls` SET `status` = 'Pay' 
+WHERE (`id` = '5e83a910-672f-847c-00c1-316b71d153fb')",
+    fsql.Update<tenumcls>(item).NoneParameter().Set(a => a.status == tenum.Pay).ToSql());
+            Assert.Equal(1, fsql.Update<tenumcls>(item).NoneParameter().Set(a => a.status == tenum.Pay).ExecuteAffrows());
+            item2 = fsql.Select<tenumcls>().Where(a => a.id == item.id).First();
+            Assert.Equal(item.id, item2.id);
+            Assert.Equal(tenum.Pay, item2.status);
+
+            Assert.Equal(@"UPDATE `tenumcls` SET `status` = 'Finsh' 
+WHERE (`id` = '5e83a910-672f-847c-00c1-316b71d153fb')",
+                fsql.Update<tenumcls>(item).NoneParameter().Set(a => a.status, tenum.Finsh).ToSql());
+            Assert.Equal(1, fsql.Update<tenumcls>(item).NoneParameter().Set(a => a.status, tenum.Finsh).ExecuteAffrows());
+            item2 = fsql.Select<tenumcls>().Where(a => a.id == item.id).First();
+            Assert.Equal(item.id, item2.id);
+            Assert.Equal(tenum.Finsh, item2.status);
+
+            Assert.Equal(@"UPDATE `tenumcls` SET `status` = 'Pay' 
+WHERE (`id` = '5e83a910-672f-847c-00c1-316b71d153fb')",
+    fsql.Update<tenumcls>(item).NoneParameter().Set(a => a.status, tenum.Pay).ToSql());
+            Assert.Equal(1, fsql.Update<tenumcls>(item).NoneParameter().Set(a => a.status, tenum.Pay).ExecuteAffrows());
+
+            Assert.Equal(@"SELECT a.`id`, a.`status` 
+FROM `tenumcls` a 
+WHERE (a.`id` = '5e83a910-672f-847c-00c1-316b71d153fb' AND a.`status` = case when a.`id` = '5e83a910-672f-847c-00c1-316b71d153fb' then 'Pay' else 'Refunding' end) 
+limit 0,1", fsql.Select<tenumcls>().Where(a => a.id == item.id && a.status == (a.id == item.id ? tenum.Pay : tenum.Refunding)).Limit(1).ToSql());
+            item2 = fsql.Select<tenumcls>().Where(a => a.id == item.id && a.status == (a.id == item.id ? tenum.Pay : tenum.Refunding)).First();
+            Assert.Equal(item.id, item2.id);
+            Assert.Equal(tenum.Pay, item2.status);
+
+            //Parameter
+            fsql.Delete<tenumcls>(Guid.Parse("5e83a910-672f-847c-00c1-316b71d153fb")).ExecuteAffrows();
+            item = new tenumcls { id = Guid.Parse("5e83a910-672f-847c-00c1-316b71d153fb"), status = tenum.Finsh };
+            Assert.Equal("INSERT INTO `tenumcls`(`id`, `status`) VALUES(@id_0, @status_0)",
+                fsql.Insert<tenumcls>().AppendData(item).ToSql());
+            Assert.Equal(1, fsql.Insert<tenumcls>().AppendData(item).ExecuteAffrows());
+            item2 = fsql.Select<tenumcls>().Where(a => a.id == item.id).First();
+            Assert.Equal(item.id, item2.id);
+            Assert.Equal(tenum.Finsh, item2.status);
+
+            Assert.Equal(@"UPDATE `tenumcls` SET `status` = case when `id` = '5e83a910-672f-847c-00c1-316b71d153fb' then 'Pay' else 'Refunding' end 
+WHERE (`id` = '5e83a910-672f-847c-00c1-316b71d153fb')",
+                fsql.Update<tenumcls>(item).Set(a => a.status == (a.id == item.id ? tenum.Pay : tenum.Refunding)).ToSql());
+            Assert.Equal(1, fsql.Update<tenumcls>(item).Set(a => a.status == (a.id == item.id ? tenum.Pay : tenum.Refunding)).ExecuteAffrows());
+            item2 = fsql.Select<tenumcls>().Where(a => a.id == item.id).First();
+            Assert.Equal(item.id, item2.id);
+            Assert.Equal(tenum.Pay, item2.status);
+
+            Assert.Equal(@"UPDATE `tenumcls` SET `status` = 'Finsh' 
+WHERE (`id` = '5e83a910-672f-847c-00c1-316b71d153fb')",
+                fsql.Update<tenumcls>(item).Set(a => a.status == tenum.Finsh).ToSql());
+            Assert.Equal(1, fsql.Update<tenumcls>(item).Set(a => a.status == tenum.Finsh).ExecuteAffrows());
+            item2 = fsql.Select<tenumcls>().Where(a => a.id == item.id).First();
+            Assert.Equal(item.id, item2.id);
+            Assert.Equal(tenum.Finsh, item2.status);
+
+            Assert.Equal(@"UPDATE `tenumcls` SET `status` = 'Pay' 
+WHERE (`id` = '5e83a910-672f-847c-00c1-316b71d153fb')",
+    fsql.Update<tenumcls>(item).Set(a => a.status == tenum.Pay).ToSql());
+            Assert.Equal(1, fsql.Update<tenumcls>(item).Set(a => a.status == tenum.Pay).ExecuteAffrows());
+            item2 = fsql.Select<tenumcls>().Where(a => a.id == item.id).First();
+            Assert.Equal(item.id, item2.id);
+            Assert.Equal(tenum.Pay, item2.status);
+
+            Assert.Equal(@"UPDATE `tenumcls` SET `status` = @p_0 
+WHERE (`id` = '5e83a910-672f-847c-00c1-316b71d153fb')",
+                fsql.Update<tenumcls>(item).Set(a => a.status, tenum.Finsh).ToSql());
+            Assert.Equal(1, fsql.Update<tenumcls>(item).Set(a => a.status, tenum.Finsh).ExecuteAffrows());
+            item2 = fsql.Select<tenumcls>().Where(a => a.id == item.id).First();
+            Assert.Equal(item.id, item2.id);
+            Assert.Equal(tenum.Finsh, item2.status);
+
+            Assert.Equal(@"UPDATE `tenumcls` SET `status` = @p_0 
+WHERE (`id` = '5e83a910-672f-847c-00c1-316b71d153fb')",
+    fsql.Update<tenumcls>(item).Set(a => a.status, tenum.Pay).ToSql());
+            Assert.Equal(1, fsql.Update<tenumcls>(item).Set(a => a.status, tenum.Pay).ExecuteAffrows());
+
+            Assert.Equal(@"SELECT a.`id`, a.`status` 
+FROM `tenumcls` a 
+WHERE (a.`id` = '5e83a910-672f-847c-00c1-316b71d153fb' AND a.`status` = case when a.`id` = '5e83a910-672f-847c-00c1-316b71d153fb' then 'Pay' else 'Refunding' end) 
+limit 0,1", fsql.Select<tenumcls>().Where(a => a.id == item.id && a.status == (a.id == item.id ? tenum.Pay : tenum.Refunding)).Limit(1).ToSql());
+            item2 = fsql.Select<tenumcls>().Where(a => a.id == item.id && a.status == (a.id == item.id ? tenum.Pay : tenum.Refunding)).First();
+            Assert.Equal(item.id, item2.id);
+            Assert.Equal(tenum.Pay, item2.status);
+        }
         [Fact]
         public void SetRaw()
         {
diff --git a/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/MySql/Curd/MySqlUpdateTest.cs b/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/MySql/Curd/MySqlUpdateTest.cs
index c823a1fc..ac8f603f 100644
--- a/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/MySql/Curd/MySqlUpdateTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/MySql/Curd/MySqlUpdateTest.cs
@@ -160,6 +160,78 @@ namespace FreeSql.Tests.Odbc.MySql
             g.mysql.Update<TestEnumUpdateTb>().NoneParameter().Where(a => a.id == id).Set(a => a.type, TestEnumUpdateTbType.str1).ExecuteAffrows();
             Assert.Equal(TestEnumUpdateTbType.str1, g.mysql.Select<TestEnumUpdateTb>().Where(a => a.id == id).First()?.type);
         }
+        public class tenumcls
+        {
+            public Guid id { get; set; }
+            public tenum status { get; set; }
+        }
+        public enum tenum
+        {
+            WaitPay = 1,
+            Pay = 3,
+            Finsh = 8,
+            Cacel = 16,
+            Refunding = 32
+        }
+        [Fact]
+        public void SetEnum()
+        {
+            var fsql = g.mysql;
+            //#184
+            fsql.Delete<tenumcls>(Guid.Parse("5e83a910-672f-847c-00c1-316b71d153fb")).ExecuteAffrows();
+            var item = new tenumcls { id = Guid.Parse("5e83a910-672f-847c-00c1-316b71d153fb"), status = tenum.Finsh };
+            Assert.Equal("INSERT INTO `tenumcls`(`id`, `status`) VALUES('5e83a910-672f-847c-00c1-316b71d153fb', 'Finsh')",
+                fsql.Insert<tenumcls>().NoneParameter().AppendData(item).ToSql());
+            Assert.Equal(1, fsql.Insert<tenumcls>().NoneParameter().AppendData(item).ExecuteAffrows());
+            var item2 = fsql.Select<tenumcls>().Where(a => a.id == item.id).First();
+            Assert.Equal(item.id, item2.id);
+            Assert.Equal(tenum.Finsh, item2.status);
+
+            Assert.Equal(@"UPDATE `tenumcls` SET `status` = case when `id` = '5e83a910-672f-847c-00c1-316b71d153fb' then 'Pay' else 'Refunding' end 
+WHERE (`id` = '5e83a910-672f-847c-00c1-316b71d153fb')",
+                fsql.Update<tenumcls>(item).NoneParameter().Set(a => a.status == (a.id == item.id ? tenum.Pay : tenum.Refunding)).ToSql());
+            Assert.Equal(1, fsql.Update<tenumcls>(item).NoneParameter().Set(a => a.status == (a.id == item.id ? tenum.Pay : tenum.Refunding)).ExecuteAffrows());
+            item2 = fsql.Select<tenumcls>().Where(a => a.id == item.id).First();
+            Assert.Equal(item.id, item2.id);
+            Assert.Equal(tenum.Pay, item2.status);
+
+            Assert.Equal(@"UPDATE `tenumcls` SET `status` = 'Finsh' 
+WHERE (`id` = '5e83a910-672f-847c-00c1-316b71d153fb')",
+                fsql.Update<tenumcls>(item).NoneParameter().Set(a => a.status == tenum.Finsh).ToSql());
+            Assert.Equal(1, fsql.Update<tenumcls>(item).NoneParameter().Set(a => a.status == tenum.Finsh).ExecuteAffrows());
+            item2 = fsql.Select<tenumcls>().Where(a => a.id == item.id).First();
+            Assert.Equal(item.id, item2.id);
+            Assert.Equal(tenum.Finsh, item2.status);
+
+            Assert.Equal(@"UPDATE `tenumcls` SET `status` = 'Pay' 
+WHERE (`id` = '5e83a910-672f-847c-00c1-316b71d153fb')",
+    fsql.Update<tenumcls>(item).NoneParameter().Set(a => a.status == tenum.Pay).ToSql());
+            Assert.Equal(1, fsql.Update<tenumcls>(item).NoneParameter().Set(a => a.status == tenum.Pay).ExecuteAffrows());
+            item2 = fsql.Select<tenumcls>().Where(a => a.id == item.id).First();
+            Assert.Equal(item.id, item2.id);
+            Assert.Equal(tenum.Pay, item2.status);
+
+            Assert.Equal(@"UPDATE `tenumcls` SET `status` = 'Finsh' 
+WHERE (`id` = '5e83a910-672f-847c-00c1-316b71d153fb')",
+                fsql.Update<tenumcls>(item).NoneParameter().Set(a => a.status, tenum.Finsh).ToSql());
+            Assert.Equal(1, fsql.Update<tenumcls>(item).NoneParameter().Set(a => a.status, tenum.Finsh).ExecuteAffrows());
+            item2 = fsql.Select<tenumcls>().Where(a => a.id == item.id).First();
+            Assert.Equal(item.id, item2.id);
+            Assert.Equal(tenum.Finsh, item2.status);
+
+            Assert.Equal(@"UPDATE `tenumcls` SET `status` = 'Pay' 
+WHERE (`id` = '5e83a910-672f-847c-00c1-316b71d153fb')",
+    fsql.Update<tenumcls>(item).NoneParameter().Set(a => a.status, tenum.Pay).ToSql());
+            Assert.Equal(1, fsql.Update<tenumcls>(item).NoneParameter().Set(a => a.status, tenum.Pay).ExecuteAffrows());
+
+            Assert.Equal(@"SELECT a.`id`, a.`status` 
+FROM `tenumcls` a 
+WHERE (a.`id` = '5e83a910-672f-847c-00c1-316b71d153fb' AND a.`status` = case when a.`id` = '5e83a910-672f-847c-00c1-316b71d153fb' then 'Pay' else 'Refunding' end) 
+limit 0,1", fsql.Select<tenumcls>().Where(a => a.id == item.id && a.status == (a.id == item.id ? tenum.Pay : tenum.Refunding)).Limit(1).ToSql());
+            item2 = fsql.Select<tenumcls>().Where(a => a.id == item.id && a.status == (a.id == item.id ? tenum.Pay : tenum.Refunding)).First();
+            Assert.Equal(item.id, item2.id);
+            Assert.Equal(tenum.Pay, item2.status);
+        }
         [Fact]
         public void SetRaw()
         {
diff --git a/FreeSql.Tests/FreeSql.Tests/MySql/Curd/MySqlUpdateTest.cs b/FreeSql.Tests/FreeSql.Tests/MySql/Curd/MySqlUpdateTest.cs
index 98ce79c2..b216d48b 100644
--- a/FreeSql.Tests/FreeSql.Tests/MySql/Curd/MySqlUpdateTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests/MySql/Curd/MySqlUpdateTest.cs
@@ -161,6 +161,134 @@ namespace FreeSql.Tests.MySql
             g.mysql.Update<TestEnumUpdateTb>().NoneParameter().Where(a => a.id == id).Set(a => a.type, TestEnumUpdateTbType.str1).ExecuteAffrows();
             Assert.Equal(TestEnumUpdateTbType.str1, g.mysql.Select<TestEnumUpdateTb>().Where(a => a.id == id).First()?.type);
         }
+        public class tenumcls
+        {
+            public Guid id { get; set; }
+            public tenum status { get; set; }
+        }
+        public enum tenum
+        {
+            WaitPay = 1,
+            Pay = 3,
+            Finsh = 8,
+            Cacel = 16,
+            Refunding = 32
+        }
+        [Fact]
+        public void SetEnum()
+        {
+            var fsql = g.mysql;
+            //#184
+            fsql.Delete<tenumcls>(Guid.Parse("5e83a910-672f-847c-00c1-316b71d153fb")).ExecuteAffrows();
+            var item = new tenumcls { id = Guid.Parse("5e83a910-672f-847c-00c1-316b71d153fb"), status = tenum.Finsh };
+            Assert.Equal("INSERT INTO `tenumcls`(`id`, `status`) VALUES('5e83a910-672f-847c-00c1-316b71d153fb', 'Finsh')",
+                fsql.Insert<tenumcls>().NoneParameter().AppendData(item).ToSql());
+            Assert.Equal(1, fsql.Insert<tenumcls>().NoneParameter().AppendData(item).ExecuteAffrows());
+            var item2 = fsql.Select<tenumcls>().Where(a => a.id == item.id).First();
+            Assert.Equal(item.id, item2.id);
+            Assert.Equal(tenum.Finsh, item2.status);
+
+            Assert.Equal(@"UPDATE `tenumcls` SET `status` = case when `id` = '5e83a910-672f-847c-00c1-316b71d153fb' then 'Pay' else 'Refunding' end 
+WHERE (`id` = '5e83a910-672f-847c-00c1-316b71d153fb')",
+                fsql.Update<tenumcls>(item).NoneParameter().Set(a => a.status == (a.id == item.id ? tenum.Pay : tenum.Refunding)).ToSql());
+            Assert.Equal(1, fsql.Update<tenumcls>(item).NoneParameter().Set(a => a.status == (a.id == item.id ? tenum.Pay : tenum.Refunding)).ExecuteAffrows());
+            item2 = fsql.Select<tenumcls>().Where(a => a.id == item.id).First();
+            Assert.Equal(item.id, item2.id);
+            Assert.Equal(tenum.Pay, item2.status);
+
+            Assert.Equal(@"UPDATE `tenumcls` SET `status` = 'Finsh' 
+WHERE (`id` = '5e83a910-672f-847c-00c1-316b71d153fb')",
+                fsql.Update<tenumcls>(item).NoneParameter().Set(a => a.status == tenum.Finsh).ToSql());
+            Assert.Equal(1, fsql.Update<tenumcls>(item).NoneParameter().Set(a => a.status == tenum.Finsh).ExecuteAffrows());
+            item2 = fsql.Select<tenumcls>().Where(a => a.id == item.id).First();
+            Assert.Equal(item.id, item2.id);
+            Assert.Equal(tenum.Finsh, item2.status);
+
+            Assert.Equal(@"UPDATE `tenumcls` SET `status` = 'Pay' 
+WHERE (`id` = '5e83a910-672f-847c-00c1-316b71d153fb')",
+    fsql.Update<tenumcls>(item).NoneParameter().Set(a => a.status == tenum.Pay).ToSql());
+            Assert.Equal(1, fsql.Update<tenumcls>(item).NoneParameter().Set(a => a.status == tenum.Pay).ExecuteAffrows());
+            item2 = fsql.Select<tenumcls>().Where(a => a.id == item.id).First();
+            Assert.Equal(item.id, item2.id);
+            Assert.Equal(tenum.Pay, item2.status);
+
+            Assert.Equal(@"UPDATE `tenumcls` SET `status` = 'Finsh' 
+WHERE (`id` = '5e83a910-672f-847c-00c1-316b71d153fb')",
+                fsql.Update<tenumcls>(item).NoneParameter().Set(a => a.status, tenum.Finsh).ToSql());
+            Assert.Equal(1, fsql.Update<tenumcls>(item).NoneParameter().Set(a => a.status, tenum.Finsh).ExecuteAffrows());
+            item2 = fsql.Select<tenumcls>().Where(a => a.id == item.id).First();
+            Assert.Equal(item.id, item2.id);
+            Assert.Equal(tenum.Finsh, item2.status);
+
+            Assert.Equal(@"UPDATE `tenumcls` SET `status` = 'Pay' 
+WHERE (`id` = '5e83a910-672f-847c-00c1-316b71d153fb')",
+    fsql.Update<tenumcls>(item).NoneParameter().Set(a => a.status, tenum.Pay).ToSql());
+            Assert.Equal(1, fsql.Update<tenumcls>(item).NoneParameter().Set(a => a.status, tenum.Pay).ExecuteAffrows());
+
+            Assert.Equal(@"SELECT a.`id`, a.`status` 
+FROM `tenumcls` a 
+WHERE (a.`id` = '5e83a910-672f-847c-00c1-316b71d153fb' AND a.`status` = case when a.`id` = '5e83a910-672f-847c-00c1-316b71d153fb' then 'Pay' else 'Refunding' end) 
+limit 0,1", fsql.Select<tenumcls>().Where(a => a.id == item.id && a.status == (a.id == item.id ? tenum.Pay : tenum.Refunding)).Limit(1).ToSql());
+            item2 = fsql.Select<tenumcls>().Where(a => a.id == item.id && a.status == (a.id == item.id ? tenum.Pay : tenum.Refunding)).First();
+            Assert.Equal(item.id, item2.id);
+            Assert.Equal(tenum.Pay, item2.status);
+
+            //Parameter
+            fsql.Delete<tenumcls>(Guid.Parse("5e83a910-672f-847c-00c1-316b71d153fb")).ExecuteAffrows();
+            item = new tenumcls { id = Guid.Parse("5e83a910-672f-847c-00c1-316b71d153fb"), status = tenum.Finsh };
+            Assert.Equal("INSERT INTO `tenumcls`(`id`, `status`) VALUES(?id_0, ?status_0)",
+                fsql.Insert<tenumcls>().AppendData(item).ToSql());
+            Assert.Equal(1, fsql.Insert<tenumcls>().AppendData(item).ExecuteAffrows());
+            item2 = fsql.Select<tenumcls>().Where(a => a.id == item.id).First();
+            Assert.Equal(item.id, item2.id);
+            Assert.Equal(tenum.Finsh, item2.status);
+
+            Assert.Equal(@"UPDATE `tenumcls` SET `status` = case when `id` = '5e83a910-672f-847c-00c1-316b71d153fb' then 'Pay' else 'Refunding' end 
+WHERE (`id` = '5e83a910-672f-847c-00c1-316b71d153fb')",
+                fsql.Update<tenumcls>(item).Set(a => a.status == (a.id == item.id ? tenum.Pay : tenum.Refunding)).ToSql());
+            Assert.Equal(1, fsql.Update<tenumcls>(item).Set(a => a.status == (a.id == item.id ? tenum.Pay : tenum.Refunding)).ExecuteAffrows());
+            item2 = fsql.Select<tenumcls>().Where(a => a.id == item.id).First();
+            Assert.Equal(item.id, item2.id);
+            Assert.Equal(tenum.Pay, item2.status);
+
+            Assert.Equal(@"UPDATE `tenumcls` SET `status` = 'Finsh' 
+WHERE (`id` = '5e83a910-672f-847c-00c1-316b71d153fb')",
+                fsql.Update<tenumcls>(item).Set(a => a.status == tenum.Finsh).ToSql());
+            Assert.Equal(1, fsql.Update<tenumcls>(item).Set(a => a.status == tenum.Finsh).ExecuteAffrows());
+            item2 = fsql.Select<tenumcls>().Where(a => a.id == item.id).First();
+            Assert.Equal(item.id, item2.id);
+            Assert.Equal(tenum.Finsh, item2.status);
+
+            Assert.Equal(@"UPDATE `tenumcls` SET `status` = 'Pay' 
+WHERE (`id` = '5e83a910-672f-847c-00c1-316b71d153fb')",
+    fsql.Update<tenumcls>(item).Set(a => a.status == tenum.Pay).ToSql());
+            Assert.Equal(1, fsql.Update<tenumcls>(item).Set(a => a.status == tenum.Pay).ExecuteAffrows());
+            item2 = fsql.Select<tenumcls>().Where(a => a.id == item.id).First();
+            Assert.Equal(item.id, item2.id);
+            Assert.Equal(tenum.Pay, item2.status);
+
+            Assert.Equal(@"UPDATE `tenumcls` SET `status` = ?p_0 
+WHERE (`id` = '5e83a910-672f-847c-00c1-316b71d153fb')",
+                fsql.Update<tenumcls>(item).Set(a => a.status, tenum.Finsh).ToSql());
+            Assert.Equal(1, fsql.Update<tenumcls>(item).Set(a => a.status, tenum.Finsh).ExecuteAffrows());
+            item2 = fsql.Select<tenumcls>().Where(a => a.id == item.id).First();
+            Assert.Equal(item.id, item2.id);
+            Assert.Equal(tenum.Finsh, item2.status);
+
+            Assert.Equal(@"UPDATE `tenumcls` SET `status` = ?p_0 
+WHERE (`id` = '5e83a910-672f-847c-00c1-316b71d153fb')",
+    fsql.Update<tenumcls>(item).Set(a => a.status, tenum.Pay).ToSql());
+            Assert.Equal(1, fsql.Update<tenumcls>(item).Set(a => a.status, tenum.Pay).ExecuteAffrows());
+
+            Assert.Equal(@"SELECT a.`id`, a.`status` 
+FROM `tenumcls` a 
+WHERE (a.`id` = '5e83a910-672f-847c-00c1-316b71d153fb' AND a.`status` = case when a.`id` = '5e83a910-672f-847c-00c1-316b71d153fb' then 'Pay' else 'Refunding' end) 
+limit 0,1", fsql.Select<tenumcls>().Where(a => a.id == item.id && a.status == (a.id == item.id ? tenum.Pay : tenum.Refunding)).Limit(1).ToSql());
+            item2 = fsql.Select<tenumcls>().Where(a => a.id == item.id && a.status == (a.id == item.id ? tenum.Pay : tenum.Refunding)).First();
+            Assert.Equal(item.id, item2.id);
+            Assert.Equal(tenum.Pay, item2.status);
+        }
+
         [Fact]
         public void SetRaw()
         {
diff --git a/FreeSql/Internal/CommonExpression.cs b/FreeSql/Internal/CommonExpression.cs
index 93e78a51..07dfb1d4 100644
--- a/FreeSql/Internal/CommonExpression.cs
+++ b/FreeSql/Internal/CommonExpression.cs
@@ -489,7 +489,9 @@ namespace FreeSql.Internal
             var right = ExpressionLambdaToSql(rightExp, tsc);
             if (right != "NULL" && isLeftMapType && 
                 //判断参数化后的bug
-                !(right.Contains('@') || right.Contains('?') || right.Contains(':')))
+                !(right.Contains('@') || right.Contains('?') || right.Contains(':')) &&
+                //三元表达式后，取消此条件 #184
+                tsc.mapType != null)
             {
                 var enumType = leftMapColumn.CsType.NullableTypeOrThis();
                 if (enumType.IsEnum)
@@ -505,7 +507,9 @@ namespace FreeSql.Internal
                     left = ExpressionLambdaToSql(leftExp, tsc);
                     if (left != "NULL" && isRightMapType &&
                         //判断参数化后的bug
-                        !(left.Contains('@') || left.Contains('?') || left.Contains(':')))
+                        !(left.Contains('@') || left.Contains('?') || left.Contains(':')) &&
+                        //三元表达式后，取消此条件 #184
+                        tsc.mapType != null)
                     {
                         var enumType = rightMapColumn.CsType.NullableTypeOrThis();
                         if (enumType.IsEnum)
@@ -598,7 +602,12 @@ namespace FreeSql.Internal
                 case ExpressionType.Constant: return formatSql((exp as ConstantExpression)?.Value, tsc.mapType, tsc.mapColumnTmp, null);
                 case ExpressionType.Conditional:
                     var condExp = exp as ConditionalExpression;
-                    return _common.IIF(ExpressionLambdaToSql(condExp.Test, tsc), ExpressionLambdaToSql(condExp.IfTrue, tsc), ExpressionLambdaToSql(condExp.IfFalse, tsc));
+                    var conditionalTestOldMapType = tsc.SetMapTypeReturnOld(null);
+                    var conditionalTestSql = ExpressionLambdaToSql(condExp.Test, tsc);
+                    tsc.SetMapTypeReturnOld(conditionalTestOldMapType);
+                    var conditionalSql = _common.IIF(conditionalTestSql, ExpressionLambdaToSql(condExp.IfTrue, tsc), ExpressionLambdaToSql(condExp.IfFalse, tsc));
+                    tsc.SetMapTypeReturnOld(null);
+                    return conditionalSql;
                 case ExpressionType.Call:
                     tsc.mapType = null;
                     var exp3 = exp as MethodCallExpression;
diff --git a/FreeSql/Internal/CommonProvider/UpdateProvider.cs b/FreeSql/Internal/CommonProvider/UpdateProvider.cs
index f5890251..6f04aafd 100644
--- a/FreeSql/Internal/CommonProvider/UpdateProvider.cs
+++ b/FreeSql/Internal/CommonProvider/UpdateProvider.cs
@@ -406,8 +406,7 @@ namespace FreeSql.Internal.CommonProvider
             {
                 case ExpressionType.Equal:
                     var equalBinaryExp = body as BinaryExpression;
-                    _set.Append(", ").Append(_commonExpression.ExpressionWhereLambdaNoneForeignObject(null, _table, null, equalBinaryExp.Left, null, null))
-                        .Append(" = ").Append(_commonExpression.ExpressionWhereLambdaNoneForeignObject(null, _table, null, equalBinaryExp.Right, null, null));
+                    _set.Append(", ").Append(_commonExpression.ExpressionWhereLambdaNoneForeignObject(null, _table, null, body, null, null));
                     return this;
                 case ExpressionType.MemberInit:
                     var initExp = body as MemberInitExpression;
diff --git a/Providers/FreeSql.Provider.MySqlConnector/MySqlConnectorUtils.cs b/Providers/FreeSql.Provider.MySqlConnector/MySqlConnectorUtils.cs
index 8541261f..cdb6996e 100644
--- a/Providers/FreeSql.Provider.MySqlConnector/MySqlConnectorUtils.cs
+++ b/Providers/FreeSql.Provider.MySqlConnector/MySqlConnectorUtils.cs
@@ -3,6 +3,7 @@ using FreeSql.Internal.Model;
 using MySql.Data.MySqlClient;
 using System;
 using System.Collections.Generic;
+using System.Collections.Concurrent;
 using System.Data.Common;
 
 namespace FreeSql.MySql
@@ -44,12 +45,11 @@ namespace FreeSql.MySql
             {
                 ret.MySqlDbType = dbtype;
                 if (ret.MySqlDbType == MySqlDbType.Enum && value != null)
-                    ret.Value = (long)Convert.ChangeType(value, typeof(long)) + 1;
+                    ret.Value = EnumValueToMySql(col, value);
             }
             _params?.Add(ret);
             return ret;
         }
-
         public override DbParameter[] GetDbParamtersByObject(string sql, object obj) =>
             Utils.GetDbParamtersByObject<MySqlParameter>(sql, obj, "@", (name, type, value) =>
             {
@@ -66,12 +66,27 @@ namespace FreeSql.MySql
                     {
                         ret.MySqlDbType = (MySqlDbType)tp.Value;
                         if (ret.MySqlDbType == MySqlDbType.Enum && value != null)
-                            ret.Value = (long)Convert.ChangeType(value, typeof(long)) + 1;
+                            ret.Value = EnumValueToMySql(null, value);
                     }
                 }
                 return ret;
             });
 
+        static ConcurrentDictionary<Type, Dictionary<string, int>> _dicEnumNames = new ConcurrentDictionary<Type, Dictionary<string, int>>();
+        static long EnumValueToMySql(ColumnInfo col, object value) //mysqlConnector 不支持 enumString 作为参数化传递，所以要计算出下标值，mysql 下标从 1 开始，并且 c# 设置了枚举元素值会影响下标
+        {
+            if (value == null) return 0;
+            if (value is Enum == false) return 0;
+            var names = _dicEnumNames.GetOrAdd(col?.Attribute.MapType ?? value.GetType(), type =>
+            {
+                var dic = new Dictionary<string, int>();
+                var ns = Enum.GetNames(type);
+                for (var a = 0; a < ns.Length; a++) dic.Add(ns[a], a + 1);
+                return dic;
+            });
+            return names.TryGetValue(value.ToString(), out var tryval) ? tryval : 0;
+        }
+
         public override string FormatSql(string sql, params object[] args) => sql?.FormatMySql(args);
         public override string QuoteSqlName(params string[] name)
         {