diff --git a/system/autoload/Radius.php b/system/autoload/Radius.php
index 9ec99f5..a445b21 100644
--- a/system/autoload/Radius.php
+++ b/system/autoload/Radius.php
@@ -92,7 +92,7 @@ class Radius
     {
         $rates = explode('/', $rate);
  ##burst fixed
-		if (str_contains($rate, ' ')) {
+		if (strpos($rate, ' ')) {
           $ratos = $rates[0].'/'.$rates[1].' '.$rates[2].'/'.$rates[3].'/'.$rates[4].'/'.$rates[5].'/'.$rates[6];
          } else {
 		 $ratos = $rates[0].'/'.$rates[1];
diff --git a/system/controllers/services.php b/system/controllers/services.php
index 574b144..dadfb0c 100644
--- a/system/controllers/services.php
+++ b/system/controllers/services.php
@@ -38,7 +38,7 @@ switch ($action) {
                     } else {
                         $radup = '000000';
                     }
-                    $radiusRate = $plan['rate_up'] . $radup . '/' . $plan['rate_down'] . $raddown . '/' . $b['burst'];
+                    $radiusRate = $plan['rate_up'] . $radup . '/' . $plan['rate_down'] . $raddown . '/' . $plan['burst'];
                     Radius::planUpSert($plan['id'], $radiusRate);
                     $log .= "DONE : Radius $plan[name_plan], $plan[shared_users], $radiusRate<br>";
                 } else {
@@ -83,7 +83,7 @@ switch ($action) {
                     } else {
                         $radup = '000000';
                     }
-                    $radiusRate = $plan['rate_up'] . $radup . '/' . $plan['rate_down'] . $raddown . '/' . $b['burst'];
+                    $radiusRate = $plan['rate_up'] . $radup . '/' . $plan['rate_down'] . $raddown . '/' . $plan['burst'];
                     Radius::planUpSert($plan['id'], $radiusRate, $plan['pool']);
                     $log .= "DONE : RADIUS $plan[name_plan], $plan[pool], $rate<br>";
                 } else {
diff --git a/ui/ui/hotspot-edit.tpl b/ui/ui/hotspot-edit.tpl
index 4ce93f3..acd2d00 100644
--- a/ui/ui/hotspot-edit.tpl
+++ b/ui/ui/hotspot-edit.tpl
@@ -59,7 +59,7 @@
                         <div class="col-md-10">
                             <input type="radio" id="Unlimited" name="typebp" value="Unlimited"
                                 {if $d['typebp'] eq 'Unlimited'} checked {/if}> {Lang::T('Unlimited')}
-                            <input type="radio" id="Limited" {if $_c['radius_enable'] and $d['is_radius']}disabled{/if}
+                            <input type="radio" id="Limited"
                                 name="typebp" value="Limited" {if $d['typebp'] eq 'Limited'} checked {/if}>
                             {Lang::T('Limited')}
                         </div>