installer: welcome
diff --git a/core/installer/cmd/main.go b/core/installer/cmd/main.go
index e82b338..8a5e04b 100644
--- a/core/installer/cmd/main.go
+++ b/core/installer/cmd/main.go
@@ -27,6 +27,7 @@
 	rootCmd.AddCommand(installCmd())
 	rootCmd.AddCommand(appManagerCmd())
 	rootCmd.AddCommand(envManagerCmd())
+	rootCmd.AddCommand(welcomeCmd())
 }
 
 func main() {