diff --git a/build.go b/build.go
index 5317c3b..593d5cb 100644
--- a/build.go
+++ b/build.go
@@ -4,10 +4,11 @@ import (
 	"bytes"
 	"errors"
 	"fmt"
-	"github.com/360EntSecGroup-Skylar/excelize"
 	"reflect"
 	"strconv"
 	"time"
+
+	"github.com/360EntSecGroup-Skylar/excelize"
 )
 
 type Option func(*options)
diff --git a/build_test.go b/build_test.go
index bbbf773..bdf82e4 100644
--- a/build_test.go
+++ b/build_test.go
@@ -1,10 +1,11 @@
 package excelorm
 
 import (
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
 	"testing"
 	"time"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 )
 
 type Sheet1 struct {