diff --git a/cmd/fwdrem.go b/cmd/fwdrem.go
index dc08c4a..4302ae2 100644
--- a/cmd/fwdrem.go
+++ b/cmd/fwdrem.go
@@ -30,7 +30,7 @@ var (
 			)
 
 			// get target
-			argTarget := strings.TrimSpace(viper.GetString("fwd-target"))
+			argTarget := strings.TrimSpace(viper.GetString("fwdrem-target"))
 			if argTarget != "" {
 				table, err := internal.FindInstances(ctx, *_credential.awsConfig)
 				if err != nil {
@@ -51,8 +51,8 @@ var (
 			}
 
 			// get port
-			argRemotePort := strings.TrimSpace(viper.GetString("fwd-remote-port"))
-			argLocalPort := strings.TrimSpace(viper.GetString("fwd-local-port"))
+			argRemotePort := strings.TrimSpace(viper.GetString("fwdrem-remote-port"))
+			argLocalPort := strings.TrimSpace(viper.GetString("fwdrem-local-port"))
 			if argRemotePort == "" {
 				askPort, err := internal.AskPorts()
 				if err != nil {
@@ -68,7 +68,7 @@ var (
 				}
 			}
 
-			argHost := strings.TrimSpace(viper.GetString("fwd-host"))
+			argHost := strings.TrimSpace(viper.GetString("fwdrem-host"))
 			if argHost == "" {
 				askHost, err := internal.AskHost()
 				if err != nil {
@@ -133,10 +133,10 @@ func init() {
 	fwdremCommand.Flags().StringP("host", "a", "", "[optional] it is remote host address to proxy to.")
 
 	// mapping viper
-	viper.BindPFlag("fwd-remote-port", fwdremCommand.Flags().Lookup("remote"))
-	viper.BindPFlag("fwd-local-port", fwdremCommand.Flags().Lookup("local"))
-	viper.BindPFlag("fwd-target", fwdremCommand.Flags().Lookup("target"))
-	viper.BindPFlag("fwd-host", fwdremCommand.Flags().Lookup("host"))
+	viper.BindPFlag("fwdrem-remote-port", fwdremCommand.Flags().Lookup("remote"))
+	viper.BindPFlag("fwdrem-local-port", fwdremCommand.Flags().Lookup("local"))
+	viper.BindPFlag("fwdrem-target", fwdremCommand.Flags().Lookup("target"))
+	viper.BindPFlag("fwdrem-host", fwdremCommand.Flags().Lookup("host"))
 
 	rootCmd.AddCommand(fwdremCommand)
 }
diff --git a/internal/ssm.go b/internal/ssm.go
index dba8457..9e410f6 100644
--- a/internal/ssm.go
+++ b/internal/ssm.go
@@ -31,13 +31,13 @@ var (
 	// default aws regions
 	defaultAwsRegions = []string{
 		"af-south-1",
-		"ap-east-1", "ap-northeast-1", "ap-northeast-2", "ap-northeast-3", "ap-south-1", "ap-southeast-2", "ap-southeast-3",
+		"ap-east-1", "ap-northeast-1", "ap-southeast-1", "ap-northeast-2", "ap-northeast-3", "ap-south-1", "ap-south-2", "ap-southeast-2", "ap-southeast-3", "ap-southeast-4",
 		"ca-central-1",
 		"cn-north-1", "cn-northwest-1",
-		"eu-central-1", "eu-north-1", "eu-south-1", "eu-west-1", "eu-west-2", "eu-west-3",
-		"me-south-1",
+		"eu-central-1", "eu-central-2", "eu-north-1", "eu-south-1", "eu-west-1", "eu-west-2", "eu-west-3", "eu-south-2",
+		"me-south-1", "me-central-1",
 		"sa-east-1",
-		"us-east-1", "us-east-2", "us-gov-east-1", "us-gov-west-2", "us-west-1", "us-west-2",
+		"us-east-1", "us-east-2", "us-gov-east-1", "us-gov-west-1", "us-west-1", "us-west-2",
 	}
 )