diff --git a/k8s/charts/seaweedfs/templates/filer-statefulset.yaml b/k8s/charts/seaweedfs/templates/filer-statefulset.yaml
index c62ec45dc..6da7ecbe0 100644
--- a/k8s/charts/seaweedfs/templates/filer-statefulset.yaml
+++ b/k8s/charts/seaweedfs/templates/filer-statefulset.yaml
@@ -105,7 +105,12 @@ spec:
             {{- if .Values.global.extraEnvironmentVars }}
             {{- range $key, $value := .Values.global.extraEnvironmentVars }}
             - name: {{ $key }}
+            {{- if kindIs "string" $value }}
               value: {{ $value | quote }}
+            {{- else }}
+              valueFrom:
+                {{ toYaml $value | nindent 16 | trim }}
+            {{- end -}}
             {{- end }}
             {{- end }}
             {{- if .Values.filer.secretExtraEnvironmentVars }}
diff --git a/k8s/charts/seaweedfs/templates/master-statefulset.yaml b/k8s/charts/seaweedfs/templates/master-statefulset.yaml
index 0a7e6198a..61252c5a3 100644
--- a/k8s/charts/seaweedfs/templates/master-statefulset.yaml
+++ b/k8s/charts/seaweedfs/templates/master-statefulset.yaml
@@ -83,13 +83,23 @@ spec:
             {{- if .Values.master.extraEnvironmentVars }}
             {{- range $key, $value := .Values.master.extraEnvironmentVars }}
             - name: {{ $key }}
+            {{- if kindIs "string" $value }}
               value: {{ $value | quote }}
+            {{- else }}
+              valueFrom:
+                {{ toYaml $value | nindent 16 | trim }}
+            {{- end -}}
             {{- end }}
             {{- end }}
             {{- if .Values.global.extraEnvironmentVars }}
             {{- range $key, $value := .Values.global.extraEnvironmentVars }}
             - name: {{ $key }}
+            {{- if kindIs "string" $value }}
               value: {{ $value | quote }}
+            {{- else }}
+              valueFrom:
+                {{ toYaml $value | nindent 16 | trim }}
+            {{- end -}}
             {{- end }}
             {{- end }}
           command:
diff --git a/k8s/charts/seaweedfs/templates/s3-deployment.yaml b/k8s/charts/seaweedfs/templates/s3-deployment.yaml
index 0b04f6381..2882e863e 100644
--- a/k8s/charts/seaweedfs/templates/s3-deployment.yaml
+++ b/k8s/charts/seaweedfs/templates/s3-deployment.yaml
@@ -69,10 +69,26 @@ spec:
                   fieldPath: metadata.namespace
             - name: SEAWEEDFS_FULLNAME
               value: "{{ template "seaweedfs.name" . }}"
+            {{- if .Values.s3.extraEnvironmentVars }}
+            {{- range $key, $value := .Values.s3.extraEnvironmentVars }}
+            - name: {{ $key }}
+            {{- if kindIs "string" $value }}
+              value: {{ $value | quote }}
+            {{- else }}
+              valueFrom:
+                {{ toYaml $value | nindent 16 | trim }}
+            {{- end -}}
+            {{- end }}
+            {{- end }}
             {{- if .Values.global.extraEnvironmentVars }}
             {{- range $key, $value := .Values.global.extraEnvironmentVars }}
             - name: {{ $key }}
+            {{- if kindIs "string" $value }}
               value: {{ $value | quote }}
+            {{- else }}
+              valueFrom:
+                {{ toYaml $value | nindent 16 | trim }}
+            {{- end -}}
             {{- end }}
             {{- end }}
           command:
diff --git a/k8s/charts/seaweedfs/templates/volume-statefulset.yaml b/k8s/charts/seaweedfs/templates/volume-statefulset.yaml
index 2bd058cff..688b4cb16 100644
--- a/k8s/charts/seaweedfs/templates/volume-statefulset.yaml
+++ b/k8s/charts/seaweedfs/templates/volume-statefulset.yaml
@@ -91,10 +91,26 @@ spec:
                   fieldPath: status.hostIP
             - name: SEAWEEDFS_FULLNAME
               value: "{{ template "seaweedfs.name" . }}"
+            {{- if .Values.volume.extraEnvironmentVars }}
+            {{- range $key, $value := .Values.volume.extraEnvironmentVars }}
+            - name: {{ $key }}
+            {{- if kindIs "string" $value }}
+              value: {{ $value | quote }}
+            {{- else }}
+              valueFrom:
+                {{ toYaml $value | nindent 16 | trim }}
+            {{- end -}}
+            {{- end }}
+            {{- end }}
             {{- if .Values.global.extraEnvironmentVars }}
             {{- range $key, $value := .Values.global.extraEnvironmentVars }}
             - name: {{ $key }}
+            {{- if kindIs "string" $value }}
               value: {{ $value | quote }}
+            {{- else }}
+              valueFrom:
+                {{ toYaml $value | nindent 16 | trim }}
+            {{- end -}}
             {{- end }}
             {{- end }}
           command:
diff --git a/k8s/charts/seaweedfs/values.yaml b/k8s/charts/seaweedfs/values.yaml
index 527db2315..9381f9046 100644
--- a/k8s/charts/seaweedfs/values.yaml
+++ b/k8s/charts/seaweedfs/values.yaml
@@ -36,6 +36,10 @@ global:
     WEED_CLUSTER_DEFAULT: "sw"
     WEED_CLUSTER_SW_MASTER: "seaweedfs-master.seaweedfs:9333"
     WEED_CLUSTER_SW_FILER: "seaweedfs-filer-client.seaweedfs:8888"
+    # WEED_JWT_SIGNING_KEY:
+    #   secretKeyRef:
+    #     name: seaweedfs-signing-key
+    #     key: signingKey
 
 image:
   registry: ""
@@ -186,10 +190,10 @@ master:
     tls: []
 
   extraEnvironmentVars:
-    WEED_MASTER_VOLUME_GROWTH_COPY_1: 7
-    WEED_MASTER_VOLUME_GROWTH_COPY_2: 6
-    WEED_MASTER_VOLUME_GROWTH_COPY_3: 3
-    WEED_MASTER_VOLUME_GROWTH_COPY_OTHER: 1
+    WEED_MASTER_VOLUME_GROWTH_COPY_1: '7'
+    WEED_MASTER_VOLUME_GROWTH_COPY_2: '6'
+    WEED_MASTER_VOLUME_GROWTH_COPY_3: '3'
+    WEED_MASTER_VOLUME_GROWTH_COPY_OTHER: '1'
 
   # used to configure livenessProbe on master-server containers
   #
@@ -371,6 +375,8 @@ volume:
   # ref: https://kubernetes.io/docs/tasks/configure-pod-container/configure-service-account/
   serviceAccountName: ""
 
+  extraEnvironmentVars:
+
   # used to configure livenessProbe on volume-server containers
   #
   livenessProbe:
@@ -706,6 +712,8 @@ s3:
     storageClass: ""
     hostPathPrefix: /storage
 
+  extraEnvironmentVars:
+
   # used to configure livenessProbe on s3 containers
   #
   livenessProbe: