diff --git a/Hadoop/ZKLT.Hadoop/TableService.cs b/Hadoop/ZKLT.Hadoop/TableService.cs
index 7895dd5..7cc06c2 100644
--- a/Hadoop/ZKLT.Hadoop/TableService.cs
+++ b/Hadoop/ZKLT.Hadoop/TableService.cs
@@ -53,11 +53,11 @@ namespace ZKLT.Hadoop
                         _wherestr.AppendLine("OR");
                     }
                     _wherestr.AppendLine("(");
+                    _wherestr.AppendLine("1 = 1");
                     var _where = _wheres[j];
                     var _data = _datas[j];
                     if (_where.Count > 0)
                     {
-                        _wherestr.AppendLine("1 = 1");
                         var _fileds = _where.Children().ToArray();
                         for (var i = 0; i < _fileds.Length; i++)
                         {