diff --git a/inc/helpers/user-center-renderers/vip-tab.php b/inc/helpers/user-center-renderers/vip-tab.php
index 55d8bfcf..6ea2fc1b 100644
--- a/inc/helpers/user-center-renderers/vip-tab.php
+++ b/inc/helpers/user-center-renderers/vip-tab.php
@@ -145,10 +145,10 @@ foreach ([1, 2] as $lv) {
 	$cards .= '</div></div>';
 }
 
-// Points exchange entry (non-VIP only).
+// Points exchange entry (available for guests, ordinary users, and VIP renewals/upgrades).
 $points_html = '';
 $points_pkgs = is_array($points_exchange['packages'] ?? null) ? $points_exchange['packages'] : [];
-if ($level <= 0 && !empty($points_exchange['enabled']) && $points_pkgs !== []) {
+if (!empty($points_exchange['enabled']) && $points_pkgs !== []) {
 	$points_html = '<div class="uc-vip-points-link" data-aksrt-vip-points-modal>'
 		. '<div class="uc-vip-points-link__icon" aria-hidden="true"><i class="fas fa-coins"></i></div>'
 		. '<div class="uc-vip-points-link__body">'
diff --git a/src/Content/VipServicePurchase.php b/src/Content/VipServicePurchase.php
index a3da7642..45704ded 100644
--- a/src/Content/VipServicePurchase.php
+++ b/src/Content/VipServicePurchase.php
@@ -215,8 +215,17 @@ trait VipServicePurchase {
         }
 
         $points_packages = [];
-        if ($points_enabled && $level <= 0) {
+        if ($points_enabled) {
             $points_packages = $this->get_points_exchange_packages($vip, $levels);
+            if ($level > 0) {
+                $points_packages = array_values(array_filter(
+                    $points_packages,
+                    static function (array $package) use ($level, $is_permanent): bool {
+                        $target_level = (int) ($package['level'] ?? 0);
+                        return $target_level > $level || (!$is_permanent && $target_level === $level);
+                    }
+                ));
+            }
         }
 
         $points_balance = ($user_id > 0 && class_exists('\AKSRT\Credits\Credits'))
@@ -246,7 +255,7 @@ trait VipServicePurchase {
             'upgrade_desc'       => (string) ($upgrade['desc'] ?? ''),
             'level_packages'     => $level_packages,
             'points_exchange'    => [
-                'enabled'  => $points_enabled && $level <= 0,
+                'enabled'  => $points_enabled,
                 'desc'     => (string) ($points_ex['desc'] ?? ''),
                 'packages' => $points_packages,
             ],
@@ -616,7 +625,8 @@ trait VipServicePurchase {
 
 
     /**
-     * Points exchange (non-VIP only, zibll pay_vip_points_exchange).
+     * Points exchange. Ordinary users can open a VIP; existing VIP users can
+     * renew the same level or upgrade to a higher level with the exchanged term.
      *
      * @return array|\WP_Error
      */
@@ -636,10 +646,6 @@ trait VipServicePurchase {
             return new \WP_Error('aksrt_points_exchange_disabled', __('积分兑换会员未启用', 'aksrt'), ['status' => 400]);
         }
 
-        if ((int) ($catalog['user_level'] ?? 0) > 0) {
-            return new \WP_Error('aksrt_already_vip', __('您已是会员，无法使用积分兑换。', 'aksrt'), ['status' => 400]);
-        }
-
         $match = null;
         $packages = is_array($points_ex['packages'] ?? null) ? $points_ex['packages'] : [];
         foreach ($packages as $pkg) {
@@ -652,6 +658,15 @@ trait VipServicePurchase {
             return new \WP_Error('aksrt_invalid_package', __('兑换套餐不存在', 'aksrt'), ['status' => 400]);
         }
 
+        if ((int) ($catalog['user_level'] ?? 0) > 0) {
+            $current_level = (int) ($catalog['user_level'] ?? 0);
+            $target_level = (int) ($match['level'] ?? 0);
+            $is_permanent = !empty($catalog['user_is_permanent']);
+            if ($target_level < $current_level || ($target_level === $current_level && $is_permanent)) {
+                return new \WP_Error('aksrt_vip_package_unavailable', __('当前会员状态无法兑换该套餐。', 'aksrt'), ['status' => 400]);
+            }
+        }
+
         $cost = (int) ($match['points'] ?? 0);
         $level = (int) ($match['level'] ?? 1);
         $days = (int) ($match['days'] ?? 0);