diff --git a/src/core.sh b/src/core.sh
index 02e6a53..13d6ba6 100644
--- a/src/core.sh
+++ b/src/core.sh
@@ -356,7 +356,7 @@ create() {
         [[ $is_config_file ]] && is_no_del_msg=1 && del $is_config_file
         # save json to file
         cat <<<$is_new_json >$is_json_file
-        if [[ $is_new_install ]]; then
+        if [[ ! -f $is_config_json ]]; then
             # config.json
             create config.json
         fi