no message

api/application/controllers/Base_Controller.php

@@ -239,6 +239,7 @@ class Base_Controller extends CI_Controller {
 
     // 下发指令
     protected function send_cmd($funcode,$address,$data,$manucode='0000000000',$version='0100',$timeout = 10){
+        $address = strtolower($address);
         $sendData = $funcode.$version.'01'.$manucode.$data;
         $sendData .= crc16(pack('H*',$sendData));
         // var_dump($sendData);die;