diff --git a/src/main/java/com/ycwl/basic/model/pc/device/resp/DeviceRespVO.java b/src/main/java/com/ycwl/basic/model/pc/device/resp/DeviceRespVO.java
index 920ceea6..c3479bed 100644
--- a/src/main/java/com/ycwl/basic/model/pc/device/resp/DeviceRespVO.java
+++ b/src/main/java/com/ycwl/basic/model/pc/device/resp/DeviceRespVO.java
@@ -38,6 +38,6 @@ public class DeviceRespVO {
     private String scenicName;
     @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss", timezone = "GMT+8")
     private Date keepaliveAt;
-    private String deviceNo;
-    private String channelNo;
+    private String previewUrl;
+    private String previewCoverUrl;
 }
diff --git a/src/main/java/com/ycwl/basic/service/mobile/impl/AppScenicServiceImpl.java b/src/main/java/com/ycwl/basic/service/mobile/impl/AppScenicServiceImpl.java
index 05b1cee2..117e1a0d 100644
--- a/src/main/java/com/ycwl/basic/service/mobile/impl/AppScenicServiceImpl.java
+++ b/src/main/java/com/ycwl/basic/service/mobile/impl/AppScenicServiceImpl.java
@@ -285,8 +285,8 @@ public class AppScenicServiceImpl implements AppScenicService {
             deviceRespVO.setNo(device.getNo());
 
             DeviceConfigManager config = deviceRepository.getDeviceConfigManager(device.getId());
-            deviceRespVO.setDeviceNo(device.getNo());
-            deviceRespVO.setChannelNo(config.getString("channel_no"));
+            deviceRespVO.setPreviewUrl(config.getString("preview_url"));
+            deviceRespVO.setPreviewCoverUrl(config.getString("preview_cover_url"));
             return deviceRespVO;
         }).collect(Collectors.toList());
         for (DeviceRespVO deviceRespVO : deviceRespVOList) {