fix: peer keepalive with manager (#1940)

Signed-off-by: Gaius <gaius.qi@gmail.com>

client/daemon/announcer/announcer.go

@@ -309,7 +309,6 @@ func (a *announcer) announceToManager() error {
 		}); err != nil {
 			return err
 		}
-	}
 
 		// Start keepalive to manager.
 		go func() {
@@ -320,6 +319,7 @@ func (a *announcer) announceToManager() error {
 				ClusterId:  uint64(a.config.Scheduler.Manager.SeedPeer.ClusterID),
 			}, a.done)
 		}()
+	}
 
 	return nil
 }