diff --git a/internal/indexcoord/node_manager.go b/internal/indexcoord/node_manager.go
index be6281b170..9c1d235fa2 100644
--- a/internal/indexcoord/node_manager.go
+++ b/internal/indexcoord/node_manager.go
@@ -21,13 +21,13 @@ import (
 	"sync"
 	"time"
 
-	"github.com/milvus-io/milvus/internal/proto/milvuspb"
-	"github.com/milvus-io/milvus/internal/util/metricsinfo"
+	"go.uber.org/zap"
 
 	grpcindexnodeclient "github.com/milvus-io/milvus/internal/distributed/indexnode/client"
 	"github.com/milvus-io/milvus/internal/log"
+	"github.com/milvus-io/milvus/internal/proto/milvuspb"
 	"github.com/milvus-io/milvus/internal/types"
-	"go.uber.org/zap"
+	"github.com/milvus-io/milvus/internal/util/metricsinfo"
 )
 
 // NodeManager is used by IndexCoord to manage the client of IndexNode.