diff --git a/charts/sophora-image-update-service/Chart.yaml b/charts/sophora-image-update-service/Chart.yaml
index 4ae5e03..72d5385 100644
--- a/charts/sophora-image-update-service/Chart.yaml
+++ b/charts/sophora-image-update-service/Chart.yaml
@@ -15,7 +15,7 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 1.0.2
+version: 1.0.3
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to
diff --git a/charts/sophora-image-update-service/templates/deployment.yaml b/charts/sophora-image-update-service/templates/deployment.yaml
index 2cbfda7..0334e16 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: {{ .Values.replicaCount }}
+  replicas: 1
   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 926e920..999cc9c 100644
--- a/charts/sophora-image-update-service/values.yaml
+++ b/charts/sophora-image-update-service/values.yaml
@@ -54,7 +54,6 @@ serviceMonitor:
   interval: 10s
   path: /actuator/prometheus
 
-replicaCount: 1
 resources:
   requests:
     memory: "2G"