no message

api/application/controllers/Lampcontrol.php

@@ -1189,6 +1189,7 @@ class Lampcontrol extends Base_Controller {
         // var_dump($res);
         if (!empty($res)) {
             $info = unpack('H*', $res['msg'])[1];
+            set_log('battery_setting.txt',$info);
             $data['system_voltage']                 = substr($info, 18,2) == 'ff' ? '0' : intval(substr($info, 18,2));  // 电池电压
             $data['battery_count']                 = base_convert(substr($info, 20,1), 16, 10);  // 电池串数
             $data['battery_type']              = base_convert(substr($info, 21,1), 16, 10);  //蓄电池类型