diff --git a/Hadoop/ZKLT.Hadoop/TableService.cs b/Hadoop/ZKLT.Hadoop/TableService.cs
index 0428a5f..6e3dbae 100644
--- a/Hadoop/ZKLT.Hadoop/TableService.cs
+++ b/Hadoop/ZKLT.Hadoop/TableService.cs
@@ -135,8 +135,9 @@ namespace ZKLT.Hadoop
                             _orderstr.Append(@$"CASE `{_column.Key!}`");
                             for (var i = 0; i < _orderTemp!.Length; i++)
                             {
-                                _orderstr.Append(@$" WHEN @OR{_column.Key}{i} THEN {i}");
-                                param.Add($@"@OR{_column.Key}{i}", _orderTemp[i]);
+                                var _guid = Guid.NewGuid().ToString("N");
+                                _orderstr.Append(@$" WHEN @{_guid} THEN {i}");
+                                param.Add(_guid, _orderTemp[i]);
                             }
                             _orderstr.Append($@" ELSE {_orderTemp.Length} END,");
                         }