diff --git a/charts/sophora-image-update-service/templates/deployment.yaml b/charts/sophora-image-update-service/templates/deployment.yaml
index 1a5ccf8..6140045 100644
--- a/charts/sophora-image-update-service/templates/deployment.yaml
+++ b/charts/sophora-image-update-service/templates/deployment.yaml
@@ -5,7 +5,7 @@ metadata:
   labels:
     {{- include "update-service.labels" . | nindent 4 }}
 spec:
-  replicas: 1
+  replicas: {{ .Values.replicaCount }}
   selector:
     matchLabels:
       {{- include "update-service.selectorLabels" . | nindent 6 }}
diff --git a/charts/sophora-image-update-service/values.yaml b/charts/sophora-image-update-service/values.yaml
index 72fb296..21a454b 100644
--- a/charts/sophora-image-update-service/values.yaml
+++ b/charts/sophora-image-update-service/values.yaml
@@ -54,6 +54,7 @@ serviceMonitor:
   interval: 10s
   path: /actuator/prometheus
 
+replicaCount: 1
 resources:
   requests:
     memory: "2G"