diff --git a/http_test.go b/http_test.go
index 44181eb..2a5bf0d 100644
--- a/http_test.go
+++ b/http_test.go
@@ -1,9 +1,9 @@
 package main
 
 import (
-	"testing"
 	"os/user"
 	"path/filepath"
+	"testing"
 )
 
 func TestPartCalculate(t *testing.T) {
diff --git a/joiner.go b/joiner.go
index dee8793..bb86427 100644
--- a/joiner.go
+++ b/joiner.go
@@ -1,8 +1,8 @@
 package main
 
 import (
-	"gopkg.in/cheggaaa/pb.v1"
 	"github.com/fatih/color"
+	"gopkg.in/cheggaaa/pb.v1"
 	"io"
 	"os"
 	"sort"
diff --git a/joiner_test.go b/joiner_test.go
index e0c1f18..fa883cc 100644
--- a/joiner_test.go
+++ b/joiner_test.go
@@ -1,12 +1,11 @@
 package main
 
 import (
-	"testing"
 	"io/ioutil"
 	"os"
+	"testing"
 )
 
-
 func TestJoiner(t *testing.T) {
 	displayProgress = false
 
diff --git a/main.go b/main.go
index 50f8059..fbed9b6 100644
--- a/main.go
+++ b/main.go
@@ -14,7 +14,7 @@ var displayProgress = true
 func main() {
 	var err error
 
-	conn    := flag.Int("n", runtime.NumCPU(), "connection")
+	conn := flag.Int("n", runtime.NumCPU(), "connection")
 	skiptls := flag.Bool("skip-tls", true, "skip verify certificate for https")
 
 	flag.Parse()
diff --git a/resume_test.go b/resume_test.go
index 8fbb7c8..d222ed6 100644
--- a/resume_test.go
+++ b/resume_test.go
@@ -11,4 +11,4 @@ func prepareResume() {
 
 func cleanupResume() {
 
-}
\ No newline at end of file
+}
diff --git a/util.go b/util.go
index 72f9b1e..74d9810 100644
--- a/util.go
+++ b/util.go
@@ -1,13 +1,13 @@
 package main
 
 import (
+	"errors"
+	"github.com/mattn/go-isatty"
 	"net"
+	"net/url"
 	"os"
-	"github.com/mattn/go-isatty"
 	"path/filepath"
-	"errors"
 	"strings"
-	"net/url"
 )
 
 func FatalCheck(err error) {
diff --git a/util_test.go b/util_test.go
index 317b73a..05db411 100644
--- a/util_test.go
+++ b/util_test.go
@@ -1,11 +1,11 @@
 package main
 
 import (
-	"testing"
 	"path/filepath"
+	"testing"
 )
 
-func TestFilterIpV4(t *testing.T){
+func TestFilterIpV4(t *testing.T) {
 }
 
 func TestFolderOfPanic1(t *testing.T) {