diff --git a/Src/Asp.Net/OracleTest/UnitTest/UThread.cs b/Src/Asp.Net/OracleTest/UnitTest/UThread.cs
index 13d203afe..37a9513dd 100644
--- a/Src/Asp.Net/OracleTest/UnitTest/UThread.cs
+++ b/Src/Asp.Net/OracleTest/UnitTest/UThread.cs
@@ -40,7 +40,7 @@ namespace OrmTest
                 }
             }
         });
-        public static SqlSugarClient singleDb =  new SqlSugarClient(new ConnectionConfig()
+        public static SqlSugarScope singleDb =  new SqlSugarScope(new ConnectionConfig()
         {
             DbType = DbType.Oracle,
             ConnectionString = Config.ConnectionString,
diff --git a/Src/Asp.Net/OracleTest/UnitTest/Updateable.cs b/Src/Asp.Net/OracleTest/UnitTest/Updateable.cs
index e5c8d8ab7..306a36869 100644
--- a/Src/Asp.Net/OracleTest/UnitTest/Updateable.cs
+++ b/Src/Asp.Net/OracleTest/UnitTest/Updateable.cs
@@ -43,8 +43,8 @@ namespace OrmTest
             {
                 IsRemind = saveDiary.IsRemind,
             }).Where(it => it.ID == saveDiary.ID).ToSql();
-           // UValidate.Check(sql.Key, @"UPDATE ""UNITBOOLTEST""  SET
-           //""BOOLVALUE"" =:BoolValue  WHERE ""ID"" =:Id"", "Updateable");
+            // UValidate.Check(sql.Key, @"UPDATE ""UNITBOOLTEST""  SET
+            //""BOOLVALUE"" =:BoolValue  WHERE ""ID"" =:Id"", "Updateable");
 
 
             //  sql = Db.Updateable<UnitDiary>().SetColumns(it => new UnitDiary()
@@ -53,9 +53,21 @@ namespace OrmTest
             //}).Where(it => it.ID == saveDiary.ID).ToSql();
             //UValidate.Check(sql.Key, @"UPDATE ""DIARY""  SET
             //""TYPEID"" = @Const0   WHERE ( ""ID"" = :ID1 )", "Updateable");
+            Db.CodeFirst.InitTables<UnitGuidTest>();
+            Db.Updateable(new List<UnitGuidTest> {
+            new UnitGuidTest() { Id = Guid.NewGuid(),name= "a"  ,guid=Guid.NewGuid()},
+            new UnitGuidTest() { Id = Guid.NewGuid(),name= "a" }
+            }).ExecuteCommand();
 
         }
     }
+    public class UnitGuidTest 
+    {
+        [SugarColumn(IsPrimaryKey =true)]
+        public Guid Id { get; set; }
+        public string name { get; set; }
+        public Guid guid { get; set; }
+    }
     public class UnitSaveDiary
     {
         public int ID { get; set; }
diff --git a/Src/Asp.Net/SqlSugar/Realization/Oracle/SqlBuilder/OracleUpdateBuilder.cs b/Src/Asp.Net/SqlSugar/Realization/Oracle/SqlBuilder/OracleUpdateBuilder.cs
index a5e7b54b8..6ed080558 100644
--- a/Src/Asp.Net/SqlSugar/Realization/Oracle/SqlBuilder/OracleUpdateBuilder.cs
+++ b/Src/Asp.Net/SqlSugar/Realization/Oracle/SqlBuilder/OracleUpdateBuilder.cs
@@ -63,6 +63,10 @@ namespace SqlSugar
                 {
                     return value;
                 }
+                else if (type==UtilConstants.GuidType)
+                {
+                    return  "'" + value.ToString() + "'";
+                }
                 else if (type == UtilConstants.ByteArrayType)
                 {
                     string bytesString = "0x" + BitConverter.ToString((byte[])value).Replace("-", "");