diff --git a/include/common/tcommon.h b/include/common/tcommon.h
index c7b5858409..518dda7b01 100644
--- a/include/common/tcommon.h
+++ b/include/common/tcommon.h
@@ -365,7 +365,7 @@ typedef struct SSortExecInfo {
 } SSortExecInfo;
 
 typedef struct SNonSortExecInfo {
-
+  int32_t blkNums;
 } SNonSortExecInfo;
 
 
diff --git a/tests/system-test/2-query/partition_by_col_agg.py b/tests/system-test/2-query/partition_by_col_agg.py
index 011415867b..1bc7a2414a 100644
--- a/tests/system-test/2-query/partition_by_col_agg.py
+++ b/tests/system-test/2-query/partition_by_col_agg.py
@@ -210,7 +210,7 @@ class TDTestCase:
         #self.check_explain_res_has_row('SortMerge', explain_res)
         #self.check_explain_res_has_row("blocking=0", explain_res)
         explain_res = self.explain_sql(sql_hint)
-        self.check_explain_res_has_row('SortMerge', explain_res)
+        self.check_explain_res_has_row('Merge', explain_res)
         self.check_explain_res_has_row('blocking=0', explain_res)
 
     def test_pipelined_agg_plan_with_slimit(self):