breakfix of management.go

Management/management.go

@@ -3,7 +3,6 @@ package management
 import (
 	"encoding/json"
 	"errors"
-	"fmt"
 	"io/ioutil"
 	"log"
 	"os"
@@ -130,7 +129,7 @@ func (T_Management) CheckPassword(email string, passwd string) (bool, error) {
 }
 
 func (T_Management) SaveCookie(email string, cookie string) error {
-	for index, _ := range Settings.Users {
+	for index, u := range Settings.Users {
 		if u.Email == email {
 			Settings.Users[index].Cookie = cookie
 			return nil