Update ActivityCountWorker.java

java/src/main/java/vip/xumy/idle/server/worker/ActivityCountWorker.java

@@ -23,11 +23,11 @@ public class ActivityCountWorker {
 	@Autowired
 	private IActivityCountMapper countMapper;
 
-//	@Scheduled(cron = "0 * * * * ?")
+	@Scheduled(cron = "0 * * * * ?")
 	public void aliveCount() {
 		ActivityCount count = new ActivityCount();
 		count.setTime(DateUtil.format());
-		count.setNum(WebSocketService.CLIENT_MAP.size());
+		count.setNum(WebSocketService.CLIENT_MAP.keySet().size());
 		count.setType("A");
 		countMapper.insert(count);
 	}