diff --git a/helm/dbrepo/README.md b/helm/dbrepo/README.md
index 25bcdee55bc9b869e733925499d02f72e6e7d467..92c9a4c955c9f04a377d3248e266a70bd8ede5b7 100644
--- a/helm/dbrepo/README.md
+++ b/helm/dbrepo/README.md
@@ -180,7 +180,7 @@ mqtt.vhost = dbrepo
 mqtt.exchange = dbrepo
 mqtt.prefetch = 10
 ` |
-| `brokerservice.replicaCount`                     | The number of replicas.                                                                                                          | `3`                                                                                                                                                                                                                                                                                                                                                                                                                                           |
+| `brokerservice.replicaCount`                     | The number of replicas.                                                                                                          | `1`                                                                                                                                                                                                                                                                                                                                                                                                                                           |
 
 ### Analyse Service
 
diff --git a/helm/dbrepo/charts/seaweedfs-4.8.7.tgz b/helm/dbrepo/charts/seaweedfs-4.8.7.tgz
index 8e612ab3e34de2fba56b1f4eccf6b00d90e541d2..66f0928610cd63403fa6746597091f4243083396 100644
Binary files a/helm/dbrepo/charts/seaweedfs-4.8.7.tgz and b/helm/dbrepo/charts/seaweedfs-4.8.7.tgz differ