diff --git a/go/topology/topology_replicate.go b/go/topology/topology_replicate.go
index 92d5f48c6..9ed262dd2 100644
--- a/go/topology/topology_replicate.go
+++ b/go/topology/topology_replicate.go
@@ -142,7 +142,7 @@ func (topo *Topology) CheckReplicate() {
 		taskCount--
 		finishedTask.DstDN.UpAdjustPlannedVolumeCountDelta(-1)
 	}
-	glog.V(1).Infoln("finish replicate check.")
+	glog.V(0).Infoln("finish replicate check.")
 }
 
 func (topo *Topology) StartCheckReplicate() {
@@ -150,5 +150,4 @@ func (topo *Topology) StartCheckReplicate() {
 		return
 	}
 	go topo.CheckReplicate()
-
 }
diff --git a/go/topology/volume_growth.go b/go/topology/volume_growth.go
index 311f20a3d..f010894b9 100644
--- a/go/topology/volume_growth.go
+++ b/go/topology/volume_growth.go
@@ -185,15 +185,13 @@ func FindEmptySlotsForOneVolume(topo *Topology, option *VolumeGrowOption, exists
 	pickNodesFn := PickLowUsageNodeFn
 	rp := option.ReplicaPlacement
 
-	pickMainAndRestNodes := func(np NodePicker, totalNodeCount int, filterNodeFn FilterNodeFn, existsNodes []Node) (mainNode Node, restNodes []Node, e error) {
-		for _, n := range existsNodes {
-			if filterNodeFn(n) == nil {
-				mainNode = n
-				break
-			}
+	pickMainAndRestNodes := func(np NodePicker, totalNodeCount int, filterFirstNodeFn FilterNodeFn, existsNodes []Node) (mainNode Node, restNodes []Node, e error) {
+		if len(existsNodes) > 0 {
+			mainNode = existsNodes[0]
 		}
+
 		if mainNode == nil {
-			mainNodes, err := np.PickNodes(1, filterNodeFn, pickNodesFn)
+			mainNodes, err := np.PickNodes(1, filterFirstNodeFn, pickNodesFn)
 			if err != nil {
 				return nil, nil, err
 			}
diff --git a/go/util/http_util.go b/go/util/http_util.go
index d53c26d18..7a395aca6 100644
--- a/go/util/http_util.go
+++ b/go/util/http_util.go
@@ -236,7 +236,7 @@ func DownloadToFile(fileUrl, savePath string) (e error) {
 		r = response.Body
 	}
 	var f *os.File
-	if f, e = os.OpenFile(savePath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, os.ModePerm); e != nil {
+	if f, e = os.OpenFile(savePath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644); e != nil {
 		return
 	}
 	if size >= 0 {
diff --git a/go/weed/weed_server/master_server_handlers_admin.go b/go/weed/weed_server/master_server_handlers_admin.go
index 129734692..ae3ad5488 100644
--- a/go/weed/weed_server/master_server_handlers_admin.go
+++ b/go/weed/weed_server/master_server_handlers_admin.go
@@ -86,7 +86,7 @@ func (ms *MasterServer) volumeVacuumHandler(w http.ResponseWriter, r *http.Reque
 
 func (ms *MasterServer) volumeCheckReplicateHandler(w http.ResponseWriter, r *http.Request) {
 	ms.Topo.StartCheckReplicate()
-	ms.dirStatusHandler(w, r)
+	writeJsonQuiet(w, r, http.StatusOK, map[string]interface{}{"status": "running"})
 }
 
 func (ms *MasterServer) volumeGrowHandler(w http.ResponseWriter, r *http.Request) {