Is the commission only paid at the first time

app/Http/Requests/Admin/ConfigSave.php

@@ -7,11 +7,14 @@ use Illuminate\Foundation\Http\FormRequest;
 class ConfigSave extends FormRequest
 {
     CONST RULES = [
+        // invite & commission
         'safe_mode_enable' => 'in:0,1',
         'invite_force' => 'in:0,1',
         'invite_commission' => 'integer',
         'invite_gen_limit' => 'integer',
         'invite_never_expire' => 'in:0,1',
+        'commission_first_time_enable' => 'in:0,1',
+        // site
         'stop_register' => 'in:0,1',
         'email_verify' => 'in:0,1',
         'app_name' => '',