diff --git a/app/adminapi/controller/device/DeviceController.php b/app/adminapi/controller/device/DeviceController.php
index fc30a86..b7d221c 100644
--- a/app/adminapi/controller/device/DeviceController.php
+++ b/app/adminapi/controller/device/DeviceController.php
@@ -131,8 +131,8 @@ class DeviceController extends BaseAdminController
 
     public function queryDeviceIccid()
     {
-            $iccid = $this->request->param('iccid', '');
-            $deviceId = $this->request->param('deviceId', '');
+            $iccid = $this->request->param('iccid');
+            $deviceId = $this->request->param('deviceId');
             // 判断设备编码是否被使用
             $device = Device::where('code', $deviceId)->find();
             if ($device) {