deviceId setting fail fix

src/main/java/com/tidecloud/dataacceptance/service/impl/DiscardServerHandler.java

@@ -73,7 +73,7 @@ public class DiscardServerHandler extends ChannelInboundHandlerAdapter {
         Channel channel = ctx.channel();
         String deviceIdInMap = channelMap.get(channel);
         if (deviceIdInMap == null) {
-            manageLink(channel, deviceIdInMap);
+            manageLink(channel, deviceId);
         }
         switch (adviceType) {