diff --git a/cmd/frps/root.go b/cmd/frps/root.go
index 69e25ef..fb19f53 100644
--- a/cmd/frps/root.go
+++ b/cmd/frps/root.go
@@ -81,7 +81,7 @@ func init() {
 	rootCmd.PersistentFlags().StringVarP(&logWay, "log_way", "", "console", "log way")
 	rootCmd.PersistentFlags().StringVarP(&logLevel, "log_level", "", "info", "log level")
 	rootCmd.PersistentFlags().Int64VarP(&logMaxDays, "log_max_days", "", 3, "log_max_days")
-	rootCmd.PersistentFlags().StringVarP(&token, "token", "", "", "auth token")
+	rootCmd.PersistentFlags().StringVarP(&token, "token", "t", "", "auth token")
 	rootCmd.PersistentFlags().Int64VarP(&authTimeout, "auth_timeout", "", 900, "auth timeout")
 	rootCmd.PersistentFlags().StringVarP(&subDomainHost, "subdomain_host", "", "", "subdomain host")
 	rootCmd.PersistentFlags().Int64VarP(&maxPortsPerClient, "max_ports_per_client", "", 0, "max ports per client")
diff --git a/models/config/proxy.go b/models/config/proxy.go
index 65644fa..b1d36a8 100644
--- a/models/config/proxy.go
+++ b/models/config/proxy.go
@@ -262,7 +262,7 @@ func (cfg *DomainConf) checkForSvr() (err error) {
 
 	if cfg.SubDomain != "" {
 		if subDomainHost == "" {
-			return fmt.Errorf("subdomain is not supported because this feature is not enabled by frps")
+			return fmt.Errorf("subdomain is not supported because this feature is not enabled in remote frps")
 		}
 		if strings.Contains(cfg.SubDomain, ".") || strings.Contains(cfg.SubDomain, "*") {
 			return fmt.Errorf("'.' and '*' is not supported in subdomain")