diff --git a/Providers/FreeSql.Provider.QuestDb/QuestDbCodeFirst.cs b/Providers/FreeSql.Provider.QuestDb/QuestDbCodeFirst.cs
index 52e499c5..d3f51144 100644
--- a/Providers/FreeSql.Provider.QuestDb/QuestDbCodeFirst.cs
+++ b/Providers/FreeSql.Provider.QuestDb/QuestDbCodeFirst.cs
@@ -181,7 +181,11 @@ namespace FreeSql.QuestDb
                         var timeAttr = propety.GetCustomAttribute<AutoSubtableAttribute>();
                         if (timeAttr != null)
                         {
-                            var colName = tb.Columns.FirstOrDefault(it => it.Key == propety.Name).Value;
+                            var ckey = propety.Name;
+                            var colNameAttr = propety.GetCustomAttribute<ColumnAttribute>();
+                            if (!string.IsNullOrWhiteSpace(colNameAttr?.Name))
+                                ckey = colNameAttr.Name;
+                            var colName = tb.Columns.FirstOrDefault(it => it.Key == ckey).Value;
                             sbalter.Append(
                                 $" TIMESTAMP({colName.Attribute.Name}) PARTITION BY {timeAttr.SubtableType};{Environment.NewLine}");
                         }