diff --git a/src/backup.sh b/src/backup.sh
index ce1fcda..c36be7a 100644
--- a/src/backup.sh
+++ b/src/backup.sh
@@ -1,5 +1,5 @@
 ## backup config
-_bakcup() {
+_backup() {
     for keys in $*; do
         case $keys in
         v2ray_transport)