diff --git a/hproseapp.go b/hproseapp.go
index 82d3dad..f36fe1f 100644
--- a/hproseapp.go
+++ b/hproseapp.go
@@ -308,6 +308,11 @@ func createhprose(cmd *Command, args []string) int {
 
 	w := NewColorWriter(os.Stdout)
 
+	if len(args) < 1 {
+		ColorLog("[ERRO] Argument [appname] is missing\n")
+		os.Exit(2)
+	}
+
 	curpath, _ := os.Getwd()
 	if len(args) > 1 {
 		cmd.Flag.Parse(args[1:])