fix: improve promotion tabs and referral layout

functions.php

@@ -189,16 +189,13 @@ if (class_exists('\AKSRT\Core\DBMigrator')) {
     \AKSRT\Core\DBMigrator::init();
 }
 
-// 积分获取入口（注册赠送 / 评论奖励 / 签到 / 邀请）
+// 积分获取入口（注册赠送 / 评论奖励 / 签到）
 if (class_exists('\AKSRT\Credits\Earn')) {
     \AKSRT\Credits\Earn::get_instance()->init();
 }
 if (class_exists('\AKSRT\Credits\Signin')) {
     \AKSRT\Credits\Signin::get_instance()->init();
 }
-if (class_exists('\AKSRT\Credits\Invite')) {
-    \AKSRT\Credits\Invite::get_instance()->init();
-}
 if (class_exists('AKSRT\\Payment\\CreatorRevenue')) {
     \AKSRT\Payment\CreatorRevenue::get_instance()->init();
 }