diff --git a/core/node/service/master_service.go b/core/node/service/master_service.go
index 57e0b2d9..796354d6 100644
--- a/core/node/service/master_service.go
+++ b/core/node/service/master_service.go
@@ -40,9 +40,6 @@ type MasterService struct {
 }
 
 func (svc *MasterService) Start() {
-	// create indexes
-	common.InitIndexes()
-
 	// start grpc server
 	if err := svc.server.Start(); err != nil {
 		panic(err)
@@ -53,6 +50,9 @@ func (svc *MasterService) Start() {
 		panic(err)
 	}
 
+	// create indexes
+	go common.InitIndexes()
+
 	// start monitoring worker nodes
 	go svc.Monitor()