diff --git a/weed/server/filer_server.go b/weed/server/filer_server.go
index 5d2a54f4d..f65723b47 100644
--- a/weed/server/filer_server.go
+++ b/weed/server/filer_server.go
@@ -85,4 +85,3 @@ func NewFilerServer(defaultMux, readonlyMux *http.ServeMux, option *FilerOption)
 
 	return fs, nil
 }
-
diff --git a/weed/server/filer_server_handlers_read.go b/weed/server/filer_server_handlers_read.go
index 8477c3783..663bf4b58 100644
--- a/weed/server/filer_server_handlers_read.go
+++ b/weed/server/filer_server_handlers_read.go
@@ -234,4 +234,3 @@ func (fs *FilerServer) writeContent(w io.Writer, entry *filer2.Entry, offset int
 	return filer2.StreamContent(fs.filer.MasterClient, w, entry.Chunks, offset, size)
 
 }
-
diff --git a/weed/server/volume_server_handlers.go b/weed/server/volume_server_handlers.go
index 4197582fd..14ad27d42 100644
--- a/weed/server/volume_server_handlers.go
+++ b/weed/server/volume_server_handlers.go
@@ -59,7 +59,7 @@ func (vs *VolumeServer) maybeCheckJwtAuthorization(r *http.Request, vid, fid str
 		} else {
 			signingKey = vs.guard.SigningKey
 		}
-	}else {
+	} else {
 		if len(vs.guard.ReadSigningKey) == 0 {
 			return true
 		} else {
diff --git a/weed/shell/command_ec_balance.go b/weed/shell/command_ec_balance.go
index 2f292f11d..47ae7bad3 100644
--- a/weed/shell/command_ec_balance.go
+++ b/weed/shell/command_ec_balance.go
@@ -466,7 +466,7 @@ func pickOneEcNodeAndMoveOneShard(ctx context.Context, commandEnv *CommandEnv, e
 	return nil
 }
 
-func pickNEcShardsToMoveFrom(ecNodes []*EcNode, vid needle.VolumeId, n int) (map[erasure_coding.ShardId]*EcNode) {
+func pickNEcShardsToMoveFrom(ecNodes []*EcNode, vid needle.VolumeId, n int) map[erasure_coding.ShardId]*EcNode {
 	picked := make(map[erasure_coding.ShardId]*EcNode)
 	var candidateEcNodes []*CandidateEcNode
 	for _, ecNode := range ecNodes {
diff --git a/weed/shell/commands.go b/weed/shell/commands.go
index ade8acd89..b642ec253 100644
--- a/weed/shell/commands.go
+++ b/weed/shell/commands.go
@@ -40,7 +40,6 @@ var (
 	Commands = []command{}
 )
 
-
 func NewCommandEnv(options ShellOptions) *CommandEnv {
 	return &CommandEnv{
 		env: make(map[string]string),
diff --git a/weed/storage/store_ec.go b/weed/storage/store_ec.go
index 408436376..fb7735263 100644
--- a/weed/storage/store_ec.go
+++ b/weed/storage/store_ec.go
@@ -222,11 +222,11 @@ func (s *Store) cachedLookupEcShardLocations(ctx context.Context, ecVolume *eras
 
 	shardCount := len(ecVolume.ShardLocations)
 	if shardCount < erasure_coding.DataShardsCount &&
-		ecVolume.ShardLocationsRefreshTime.Add(11 * time.Second).After(time.Now()) ||
+		ecVolume.ShardLocationsRefreshTime.Add(11*time.Second).After(time.Now()) ||
 		shardCount == erasure_coding.TotalShardsCount &&
-			ecVolume.ShardLocationsRefreshTime.Add(37 * time.Minute).After(time.Now()) ||
+			ecVolume.ShardLocationsRefreshTime.Add(37*time.Minute).After(time.Now()) ||
 		shardCount >= erasure_coding.DataShardsCount &&
-			ecVolume.ShardLocationsRefreshTime.Add(7 * time.Minute).After(time.Now()) {
+			ecVolume.ShardLocationsRefreshTime.Add(7*time.Minute).After(time.Now()) {
 		// still fresh
 		return nil
 	}
diff --git a/weed/topology/node.go b/weed/topology/node.go
index 9aee0749e..b2808f589 100644
--- a/weed/topology/node.go
+++ b/weed/topology/node.go
@@ -49,9 +49,9 @@ type NodeImpl struct {
 	maxVolumeCount    int64
 	id                NodeId
 	parent            Node
-	sync.RWMutex // lock children
-	children    map[NodeId]Node
-	maxVolumeId needle.VolumeId
+	sync.RWMutex      // lock children
+	children          map[NodeId]Node
+	maxVolumeId       needle.VolumeId
 
 	//for rack, data center, topology
 	nodeType string