fix

admin/templates/default/provider.amount.control.php

@@ -359,8 +359,8 @@
             var $channel_speed_inputs = $('.channel_speed_inputs');
             for(let i=0;i<$channel_speed_inputs.length;i++) {
                 const val = $channel_speed_inputs.eq(i).val();
-                const pid = $channel_speed_inputs.eq(i).siblings('.channel_speed_input')[0].attr('data-pid');
-                $channel_speed_inputs.eq(i).siblings('.channel_speed_input')[0].val(pid+'-'+val);
+                const pid = $channel_speed_inputs.eq(i).next('.channel_speed_input').attr('data-pid');
+                $channel_speed_inputs.eq(i).next('.channel_speed_input').val(pid+'-'+val);
             }
             if (isSubmit) {
                 $("#price_form").submit();