diff --git a/contrib/drivers/dm/dm_do_insert.go b/contrib/drivers/dm/dm_do_insert.go
index 72fc540b4..7f0aef7b4 100644
--- a/contrib/drivers/dm/dm_do_insert.go
+++ b/contrib/drivers/dm/dm_do_insert.go
@@ -108,7 +108,7 @@ func (d *Driver) doMergeInsert(
 		one            = list[0]
 		oneLen         = len(one)
 		charL, charR   = d.GetChars()
-		conflictKeySet = gset.New(false)
+		conflictKeySet = gset.NewStrSet(false)
 
 		// queryHolders:	Handle data with Holder that need to be merged
 		// queryValues:		Handle data that need to be merged
diff --git a/contrib/drivers/gaussdb/gaussdb_do_insert.go b/contrib/drivers/gaussdb/gaussdb_do_insert.go
index 16193239c..753e1ce71 100644
--- a/contrib/drivers/gaussdb/gaussdb_do_insert.go
+++ b/contrib/drivers/gaussdb/gaussdb_do_insert.go
@@ -307,7 +307,7 @@ func (d *Driver) doMergeInsert(
 		one            = list[0]
 		oneLen         = len(one)
 		charL, charR   = d.GetChars()
-		conflictKeySet = gset.New(false)
+		conflictKeySet = gset.NewStrSet(false)
 
 		// queryHolders:	Handle data with Holder that need to be merged
 		// queryValues:		Handle data that need to be merged
diff --git a/contrib/drivers/mssql/mssql_do_insert.go b/contrib/drivers/mssql/mssql_do_insert.go
index 93bc17cfa..fbdcba5d3 100644
--- a/contrib/drivers/mssql/mssql_do_insert.go
+++ b/contrib/drivers/mssql/mssql_do_insert.go
@@ -102,7 +102,7 @@ func (d *Driver) doMergeInsert(
 		one            = list[0]
 		oneLen         = len(one)
 		charL, charR   = d.GetChars()
-		conflictKeySet = gset.New(false)
+		conflictKeySet = gset.NewStrSet(false)
 
 		// queryHolders:	Handle data with Holder that need to be merged
 		// queryValues:		Handle data that need to be merged
diff --git a/contrib/drivers/oracle/oracle_do_insert.go b/contrib/drivers/oracle/oracle_do_insert.go
index 82f8373d5..ec0273f93 100644
--- a/contrib/drivers/oracle/oracle_do_insert.go
+++ b/contrib/drivers/oracle/oracle_do_insert.go
@@ -181,7 +181,7 @@ func (d *Driver) doMergeInsert(
 		one            = list[0]
 		oneLen         = len(one)
 		charL, charR   = d.GetChars()
-		conflictKeySet = gset.New(false)
+		conflictKeySet = gset.NewStrSet(false)
 
 		// queryHolders:	Handle data with Holder that need to be upsert
 		// queryValues:		Handle data that need to be upsert