diff --git a/internal/datacoord/handler.go b/internal/datacoord/handler.go
index 07463f423e..ee196db153 100644
--- a/internal/datacoord/handler.go
+++ b/internal/datacoord/handler.go
@@ -35,7 +35,7 @@ type Handler interface {
 	FinishDropChannel(channel string)
 }
 
-// Handler is a helper of Server
+// ServerHandler is a helper of Server
 type ServerHandler struct {
 	s *Server
 }