diff --git a/client/tso_client.go b/client/tso_client.go
index d4dfaa03a91..e0b0579bbfc 100644
--- a/client/tso_client.go
+++ b/client/tso_client.go
@@ -209,7 +209,7 @@ func (c *tsoClient) updateTSOLocalServAddrs(allocatorMap map[string]string) erro
 			return err
 		}
 		c.tsoAllocators.Store(dcLocation, addr)
-		log.Info("[tso] switch dc tso allocator serving address",
+		log.Info("[tso] switch dc tso local allocator serving address",
 			zap.String("dc-location", dcLocation),
 			zap.String("new-address", addr),
 			zap.String("old-address", oldAddr))
@@ -227,7 +227,7 @@ func (c *tsoClient) updateTSOLocalServAddrs(allocatorMap map[string]string) erro
 
 func (c *tsoClient) updateTSOGlobalServAddr(addr string) error {
 	c.tsoAllocators.Store(globalDCLocation, addr)
-	log.Info("[tso] switch dc tso allocator serving address",
+	log.Info("[tso] switch dc tso global allocator serving address",
 		zap.String("dc-location", globalDCLocation),
 		zap.String("new-address", addr))
 	c.scheduleCheckTSODispatcher()
diff --git a/pkg/keyspace/tso_keyspace_group.go b/pkg/keyspace/tso_keyspace_group.go
index c5e78d6b797..e6961bf1ce8 100644
--- a/pkg/keyspace/tso_keyspace_group.go
+++ b/pkg/keyspace/tso_keyspace_group.go
@@ -639,6 +639,7 @@ func (m *GroupManager) FinishSplitKeyspaceByID(splitTargetID uint32) error {
 	// Update the keyspace group cache.
 	m.groups[endpoint.StringUserKind(splitTargetKg.UserKind)].Put(splitTargetKg)
 	m.groups[endpoint.StringUserKind(splitSourceKg.UserKind)].Put(splitSourceKg)
+	log.Info("finish split keyspace group", zap.Uint32("split-source-id", splitSourceKg.ID), zap.Uint32("split-target-id", splitTargetID))
 	return nil
 }