diff --git a/charts/nemo/charts/volcano/templates/admission.yaml b/charts/nemo/charts/volcano/templates/admission.yaml
index 8cfdce4..1d6d07c 100644
--- a/charts/nemo/charts/volcano/templates/admission.yaml
+++ b/charts/nemo/charts/volcano/templates/admission.yaml
@@ -101,7 +101,7 @@ spec:
           {{- toYaml $admission_sc | nindent 8 }}
       {{- end }}
       serviceAccount: {{ .Release.Name }}-admission
-      priorityClassName: system-cluster-critical
+      # priorityClassName: system-cluster-critical
       {{- if .Values.basic.image_pull_secret }}
       imagePullSecrets:
         - name: {{ .Values.basic.image_pull_secret }}
@@ -189,7 +189,7 @@ spec:
         {{- toYaml $admission_sc | nindent 8 }}
       {{- end }}
       serviceAccountName: {{ .Release.Name }}-admission
-      priorityClassName: system-cluster-critical
+      # priorityClassName: system-cluster-critical
       {{- if .Values.basic.image_pull_secret }}
       imagePullSecrets:
         - name: {{ .Values.basic.image_pull_secret }}
diff --git a/charts/nemo/charts/volcano/templates/controllers.yaml b/charts/nemo/charts/volcano/templates/controllers.yaml
index c312e94..424e706 100644
--- a/charts/nemo/charts/volcano/templates/controllers.yaml
+++ b/charts/nemo/charts/volcano/templates/controllers.yaml
@@ -128,7 +128,7 @@ spec:
         {{- toYaml $controller_sc | nindent 8 }}
       {{- end }}
       serviceAccount: {{ .Release.Name }}-controllers
-      priorityClassName: system-cluster-critical
+      # priorityClassName: system-cluster-critical
       {{- if .Values.basic.image_pull_secret }}
       imagePullSecrets:
           - name: {{ .Values.basic.image_pull_secret }}
diff --git a/charts/nemo/charts/volcano/templates/scheduler.yaml b/charts/nemo/charts/volcano/templates/scheduler.yaml
index f4ba1bc..4fa7c37 100644
--- a/charts/nemo/charts/volcano/templates/scheduler.yaml
+++ b/charts/nemo/charts/volcano/templates/scheduler.yaml
@@ -138,7 +138,7 @@ spec:
         {{- toYaml $scheduler_sc | nindent 8 }}
       {{- end }}
       serviceAccount: {{ .Release.Name }}-scheduler
-      priorityClassName: system-cluster-critical
+      # priorityClassName: system-cluster-critical
       {{- if .Values.basic.image_pull_secret }}
       imagePullSecrets:
           - name: {{ .Values.basic.image_pull_secret }}