diff --git a/iot-dao/iot-data-model/src/main/java/cc/iotkit/model/device/VirtualDevice.java b/iot-dao/iot-data-model/src/main/java/cc/iotkit/model/device/VirtualDevice.java
index 13d86885..0dc57f9a 100644
--- a/iot-dao/iot-data-model/src/main/java/cc/iotkit/model/device/VirtualDevice.java
+++ b/iot-dao/iot-data-model/src/main/java/cc/iotkit/model/device/VirtualDevice.java
@@ -97,11 +97,11 @@ public class VirtualDevice implements Owned<String> {
     /**
      * 运行状态
      */
-    private String state = STATE_STOPPED;
+    private String state;
 
     /**
      * 创建时间
      */
-    private Long createAt = System.currentTimeMillis();
+    private Long createAt;
 
 }
diff --git a/iot-module/iot-manager/src/main/java/cc/iotkit/manager/controller/VirtualDeviceController.java b/iot-module/iot-manager/src/main/java/cc/iotkit/manager/controller/VirtualDeviceController.java
index 91345e8d..2bb9b6df 100644
--- a/iot-module/iot-manager/src/main/java/cc/iotkit/manager/controller/VirtualDeviceController.java
+++ b/iot-module/iot-manager/src/main/java/cc/iotkit/manager/controller/VirtualDeviceController.java
@@ -15,6 +15,7 @@ import cc.iotkit.common.api.Request;
 import cc.iotkit.common.enums.ErrCode;
 import cc.iotkit.common.exception.BizException;
 import cc.iotkit.common.utils.ReflectUtil;
+import cc.iotkit.common.validate.QueryGroup;
 import cc.iotkit.data.manager.IVirtualDeviceData;
 import cc.iotkit.manager.dto.bo.ChangeStateBo;
 import cc.iotkit.manager.dto.bo.device.DeviceLogQueryBo;
@@ -56,7 +57,7 @@ public class VirtualDeviceController {
     @ApiOperation("获取虚拟设备列表")
     @SaCheckPermission("iot:virtualDevice:query")
     @PostMapping("/list")
-    public Paging<VirtualDevice> getDevices(PageRequest<VirtualDevice> pageRequest) {
+    public Paging<VirtualDevice> getDevices(@Validated(QueryGroup.class)@RequestBody PageRequest<VirtualDevice> pageRequest) {
         return virtualDeviceData.findAll(pageRequest);
     }