diff --git a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/Subquery/Items/SubFirst.cs b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/Subquery/Items/SubFirst.cs
index df12c801f..e3449da05 100644
--- a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/Subquery/Items/SubFirst.cs
+++ b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/Subquery/Items/SubFirst.cs
@@ -159,7 +159,7 @@ namespace SqlSugar
                 foreach (var parameter in parameters)
                 {
                     var parameterColumns = db.EntityMaintenance.GetEntityInfo(parameter.Type).Columns;
-                    if (parameterColumns.Any(it => it.PropertyName == item.PropertyName))
+                    if (!completeColumnColumns.Any(it => it.EqualCase(item.PropertyName)) && parameterColumns.Any(it => it.PropertyName.EqualCase(item.PropertyName)))
                     {
                         var completeColumn = parameterColumns.First(it => it.PropertyName == item.PropertyName);
                         var shortName = builder.GetTranslationColumnName(parameter.Name);
diff --git a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/Subquery/Items/SubToList.cs b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/Subquery/Items/SubToList.cs
index 146c8e1da..954337f04 100644
--- a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/Subquery/Items/SubToList.cs
+++ b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/Subquery/Items/SubToList.cs
@@ -159,7 +159,7 @@ namespace SqlSugar
                 foreach (var parameter in parameters)
                 {
                     var parameterColumns = db.EntityMaintenance.GetEntityInfo(parameter.Type).Columns;
-                    if (parameterColumns.Any(it=>it.PropertyName==item.PropertyName)) 
+                    if (!completeColumnColumns.Any(it=>it.EqualCase(item.PropertyName))&& parameterColumns.Any(it=>it.PropertyName.EqualCase(item.PropertyName))) 
                     {
                         var completeColumn = parameterColumns.First(it => it.PropertyName == item.PropertyName);
                         var shortName = builder.GetTranslationColumnName(parameter.Name);