diff --git a/weed/storage/needle.go b/weed/storage/needle.go
index e071ebbd5..ce6130711 100644
--- a/weed/storage/needle.go
+++ b/weed/storage/needle.go
@@ -29,12 +29,12 @@ type Needle struct {
 
 	DataSize     uint32 `comment:"Data size"` //version2
 	Data         []byte `comment:"The actual file data"`
-	Flags        byte   `comment:"boolean flags"`          //version2
-	NameSize     uint8                                     //version2
+	Flags        byte   `comment:"boolean flags"` //version2
+	NameSize     uint8  //version2
 	Name         []byte `comment:"maximum 256 characters"` //version2
-	MimeSize     uint8                                     //version2
+	MimeSize     uint8  //version2
 	Mime         []byte `comment:"maximum 256 characters"` //version2
-	PairsSize    uint16                                    //version2
+	PairsSize    uint16 //version2
 	Pairs        []byte `comment:"additional name value pairs, json format, maximum 64kB"`
 	LastModified uint64 //only store LastModifiedBytesLength bytes, which is 5 bytes to disk
 	Ttl          *TTL
diff --git a/weed/storage/needle_map_metric.go b/weed/storage/needle_map_metric.go
index 67b41f5a7..cc3d9e028 100644
--- a/weed/storage/needle_map_metric.go
+++ b/weed/storage/needle_map_metric.go
@@ -109,7 +109,7 @@ func reverseWalkIndexFile(r *os.File, initFn func(entryCount int64), fn func(key
 			return e
 		}
 		for i := int(nextBatchSize) - 1; i >= 0; i-- {
-			key, offset, size := IdxFileEntry(bytes[i*NeedleEntrySize:i*NeedleEntrySize+NeedleEntrySize])
+			key, offset, size := IdxFileEntry(bytes[i*NeedleEntrySize : i*NeedleEntrySize+NeedleEntrySize])
 			if e = fn(key, offset, size); e != nil {
 				return e
 			}
diff --git a/weed/storage/needle_parse_multipart.go b/weed/storage/needle_parse_multipart.go
index de60f4e75..d42bc4629 100644
--- a/weed/storage/needle_parse_multipart.go
+++ b/weed/storage/needle_parse_multipart.go
@@ -7,8 +7,8 @@ import (
 	"mime"
 	"net/http"
 	"path"
-	"strings"
 	"strconv"
+	"strings"
 )
 
 func parseMultipart(r *http.Request) (