diff --git a/weed/mq/client/cmd/weed_pub/publisher.go b/weed/mq/client/cmd/weed_pub/publisher.go
index d1f2e7c90..01ac48d13 100644
--- a/weed/mq/client/cmd/weed_pub/publisher.go
+++ b/weed/mq/client/cmd/weed_pub/publisher.go
@@ -25,7 +25,10 @@ func doPublish(publisher *pub_client.TopicPublisher, id int) {
 		// Simulate publishing a message
 		key := []byte(fmt.Sprintf("key-%d-%d", id, i))
 		value := []byte(fmt.Sprintf("value-%d-%d", id, i))
-		publisher.Publish(key, value) // Call your publisher function here
+		if err := publisher.Publish(key, value); err != nil {
+			fmt.Println(err)
+			break
+		}
 		// println("Published", string(key), string(value))
 	}
 	elapsed := time.Since(startTime)
diff --git a/weed/mq/client/pub_client/publish.go b/weed/mq/client/pub_client/publish.go
index 2f4367b9d..4b0dfade9 100644
--- a/weed/mq/client/pub_client/publish.go
+++ b/weed/mq/client/pub_client/publish.go
@@ -12,7 +12,7 @@ func (p *TopicPublisher) Publish(key, value []byte) error {
 	if hashKey < 0 {
 		hashKey = -hashKey
 	}
-	publishClient, found := p.partition2Broker.Floor(hashKey, hashKey)
+	publishClient, found := p.partition2Broker.Floor(hashKey+1, hashKey+1)
 	if !found {
 		return fmt.Errorf("no broker found for key %d", hashKey)
 	}