diff --git a/src/main/java/com/zsc/edu/gateway/modules/iot/device/service/impl/DeviceServiceImpl.java b/src/main/java/com/zsc/edu/gateway/modules/iot/device/service/impl/DeviceServiceImpl.java
index a20f79b..3ba466a 100644
--- a/src/main/java/com/zsc/edu/gateway/modules/iot/device/service/impl/DeviceServiceImpl.java
+++ b/src/main/java/com/zsc/edu/gateway/modules/iot/device/service/impl/DeviceServiceImpl.java
@@ -195,7 +195,7 @@ public class DeviceServiceImpl extends ServiceImpl<DeviceRepository, Device> imp
 
     @Override
     public String send(Long deviceId, Integer qos, JSONObject paras) throws JSONException {
-        Device device = deviceRepo.selectOne(new LambdaQueryWrapper<Device>().eq(Device::getId, deviceId));
+        DeviceVo device = detail(deviceId);
         JSONObject payloadJson = new JSONObject();
         payloadJson.put("mid", 641);
         payloadJson.put("serviceId", "runParamsCommand");
@@ -205,6 +205,9 @@ public class DeviceServiceImpl extends ServiceImpl<DeviceRepository, Device> imp
         payloadJson.put("msgType", "cloudReq");
         String payload = payloadJson.toString();
         String topic = "/r1/devices/" + device.getClientId() + "/datas";
+        if (paras.isEmpty()) {
+            throw new JSONException("参数不能为空");
+        }
         try {
             mqttSender.sendMsg(topic, qos, payload);
         } catch (Exception e) {