fix

weed/mq/client/sub_client/connect_to_sub_coordinator.go

@@ -145,7 +145,7 @@ func (sub *TopicSubscriber) onEachPartition(assigned *mq_pb.BrokerPartitionAssig
 
 		var lastErr error
 
-		for lastErr != nil {
+		for lastErr == nil {
 			// glog.V(0).Infof("subscriber %s/%s/%s waiting for message", sub.ContentConfig.Namespace, sub.ContentConfig.Topic, sub.SubscriberConfig.ConsumerGroup)
 			resp, err := subscribeClient.Recv()
 			if err != nil {