diff --git a/k8s/charts/seaweedfs/templates/filer-statefulset.yaml b/k8s/charts/seaweedfs/templates/filer-statefulset.yaml
index f6a6d1940..d472569cc 100644
--- a/k8s/charts/seaweedfs/templates/filer-statefulset.yaml
+++ b/k8s/charts/seaweedfs/templates/filer-statefulset.yaml
@@ -88,7 +88,12 @@ spec:
             {{- if .Values.filer.extraEnvironmentVars }}
             {{- range $key, $value := .Values.filer.extraEnvironmentVars }}
             - name: {{ $key }}
+            {{- if kindIs "string" $value }}
               value: {{ $value | quote }}
+            {{- else }}
+              valueFrom:
+                {{ toYaml $value | nindent 16 | trim }}
+            {{- end -}}
             {{- end }}
             {{- end }}
             {{- if .Values.global.extraEnvironmentVars }}