diff --git a/config/viper.go b/config/viper.go
index 53819f9..c85a97b 100644
--- a/config/viper.go
+++ b/config/viper.go
@@ -106,6 +106,11 @@ func Init() {
 	viper.SetDefault("storage.alist.base_path", "/")
 	viper.SetDefault("storage.alist.token_exp", 3600)
 
+	if err := viper.SafeWriteConfigAs("config.toml"); err != nil {
+		fmt.Println("Error writing default config file, ", err)
+		os.Exit(1)
+	}
+
 	if err := viper.ReadInConfig(); err != nil {
 		fmt.Println("Error reading config file, ", err)
 		os.Exit(1)