diff --git a/Providers/FreeSql.Provider.QuestDb/QuestDbExpression.cs b/Providers/FreeSql.Provider.QuestDb/QuestDbExpression.cs
index 81fe2339..eba578e2 100644
--- a/Providers/FreeSql.Provider.QuestDb/QuestDbExpression.cs
+++ b/Providers/FreeSql.Provider.QuestDb/QuestDbExpression.cs
@@ -356,7 +356,7 @@ namespace FreeSql.QuestDb
                 {
                     case "Now": return _common.Now;
                     case "UtcNow": return _common.NowUtc;
-                    case "Today": return "current_date";
+                    case "Today": return $"date_trunc('day',{_common.NowUtc})";
                     case "MinValue": return "'0001/1/1 0:00:00'::timestamp";
                     case "MaxValue": return "'9999/12/31 23:59:59'::timestamp";
                 }
diff --git a/Providers/FreeSql.Provider.QuestDb/QuestDbUtils.cs b/Providers/FreeSql.Provider.QuestDb/QuestDbUtils.cs
index 4b8586d6..3fca2e51 100644
--- a/Providers/FreeSql.Provider.QuestDb/QuestDbUtils.cs
+++ b/Providers/FreeSql.Provider.QuestDb/QuestDbUtils.cs
@@ -267,8 +267,8 @@ namespace FreeSql.QuestDb
         public override string StringConcat(string[] objs, Type[] types) => $"{string.Join(" || ", objs)}";
         public override string Mod(string left, string right, Type leftType, Type rightType) => $"{left} % {right}";
         public override string Div(string left, string right, Type leftType, Type rightType) => $"{left} / {right}";
-        public override string Now => "current_timestamp";
-        public override string NowUtc => "(current_timestamp at time zone 'UTC')";
+        public override string Now => "sysdate";
+        public override string NowUtc => "systimestamp";
 
         public override string QuoteWriteParamterAdapter(Type type, string paramterName) => paramterName;
         protected override string QuoteReadColumnAdapter(Type type, Type mapType, string columnName) => columnName;