增加前端Notify支持

Lawrence

2021-01-20 e4215917fcf95e940ce836f0611cef09e849d8c5

 src/main/java/com/genersoft/iot/vmp/storager/impl/VideoManagerStoragerImpl.java

@@ -335,4 +335,9 @@
      DeviceChannel channel = patformChannelMapper.queryChannelInParentPlatform(platformId, channelId);
      return channel;
   }

   @Override
   public Device queryVideoDeviceByPlatformIdAndChannelId(String platformId, String channelId) {
      return null;
   }
}