diff --git a/deploy/charts/dragonfly/README.md b/deploy/charts/dragonfly/README.md
index 9bd1665b2..689715f7b 100644
--- a/deploy/charts/dragonfly/README.md
+++ b/deploy/charts/dragonfly/README.md
@@ -21,7 +21,6 @@ The following table lists the configurable parameters of the dragonfly chart, an
 
 | Parameter                                 | Description                                                  | Default                       |
 | ----------------------------------------- | ------------------------------------------------------------ | ----------------------------- |
-| `installation.namespace`                  | namespace for dragonfly installation                         | `dragonfly-system`            |
 | `installation.jaeger`                     | whether enable an all in one jaeger for tracing              | `false`                       |
 
 Specify each parameter using the `--set key=value[,key=value]` argument to `helm install`.
@@ -29,7 +28,7 @@ Specify each parameter using the `--set key=value[,key=value]` argument to `helm
 For example:
 
 ```shell
-helm install dragonfly https://... --set installation.namespace=kube-system
+helm install --namespace dragonfly-system dragonfly https://...
 ```
 
 ## Reference
diff --git a/deploy/charts/dragonfly/templates/NOTES.txt b/deploy/charts/dragonfly/templates/NOTES.txt
index e3d5412ba..0ea8d42e8 100644
--- a/deploy/charts/dragonfly/templates/NOTES.txt
+++ b/deploy/charts/dragonfly/templates/NOTES.txt
@@ -1,30 +1,30 @@
 1. [WIP] Get the scheduler URL by running these commands:
 {{- if contains "NodePort" .Values.scheduler.service.type }}
-  export NODE_PORT=$(kubectl get --namespace {{ .Values.installation.namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ include "dragonfly.scheduler.fullname" . }})
-  export NODE_IP=$(kubectl get nodes --namespace {{ .Values.installation.namespace }} -o jsonpath="{.items[0].status.addresses[0].address}")
+  export NODE_PORT=$(kubectl get --namespace {{ template "dragonfly.namespace" . }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ include "dragonfly.scheduler.fullname" . }})
+  export NODE_IP=$(kubectl get nodes --namespace {{ template "dragonfly.namespace" . }} -o jsonpath="{.items[0].status.addresses[0].address}")
   echo http://$NODE_IP:$NODE_PORT
 {{- else if contains "LoadBalancer" .Values.scheduler.service.type }}
      NOTE: It may take a few minutes for the LoadBalancer IP to be available.
-           You can watch the status of by running 'kubectl get --namespace {{ .Values.installation.namespace }} svc -w {{ include "dragonfly.scheduler.fullname" . }}'
-  export SERVICE_IP=$(kubectl get svc --namespace {{ .Values.installation.namespace }} {{ include "dragonfly.scheduler.fullname" . }} --template "{{"{{ range (index .status.loadBalancer.ingress 0) }}{{.}}{{ end }}"}}")
+           You can watch the status of by running 'kubectl get --namespace {{ template "dragonfly.namespace" . }} svc -w {{ include "dragonfly.scheduler.fullname" . }}'
+  export SERVICE_IP=$(kubectl get svc --namespace {{ template "dragonfly.namespace" . }} {{ include "dragonfly.scheduler.fullname" . }} --template "{{"{{ range (index .status.loadBalancer.ingress 0) }}{{.}}{{ end }}"}}")
   echo http://$SERVICE_IP:{{ .Values.scheduler.service.port }}
 {{- else if contains "ClusterIP" .Values.scheduler.service.type }}
-  export POD_NAME=$(kubectl get pods --namespace {{ .Values.installation.namespace }} -l "app={{ include "dragonfly.scheduler.fullname" . }},release={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}")
-  export CONTAINER_PORT=$(kubectl get pod --namespace {{ .Values.installation.namespace }} $POD_NAME -o jsonpath="{.spec.containers[0].ports[0].containerPort}")
+  export POD_NAME=$(kubectl get pods --namespace {{ template "dragonfly.namespace" . }} -l "app={{ include "dragonfly.scheduler.fullname" . }},release={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}")
+  export CONTAINER_PORT=$(kubectl get pod --namespace {{ template "dragonfly.namespace" . }} $POD_NAME -o jsonpath="{.spec.containers[0].ports[0].containerPort}")
   echo "Visit http://127.0.0.1:8002 to use your scheduler"
-  kubectl --namespace {{ .Values.installation.namespace }} port-forward $POD_NAME 8002:$CONTAINER_PORT
+  kubectl --namespace {{ template "dragonfly.namespace" . }} port-forward $POD_NAME 8002:$CONTAINER_PORT
 {{- end }}
 
 2. Get the dfdaemon port by running these commands:
-  export CONTAINER_PORT=$(kubectl get pod --namespace {{ .Values.installation.namespace }} $POD_NAME -o jsonpath="{.spec.containers[0].ports[0].containerPort}")
+  export CONTAINER_PORT=$(kubectl get pod --namespace {{ template "dragonfly.namespace" . }} $POD_NAME -o jsonpath="{.spec.containers[0].ports[0].containerPort}")
   You can use $CONTAINER_PORT as a proxy port in Node.
 
 3. Configure runtime to use dragonfly:
   https://github.com/dragonflyoss/Dragonfly2/blob/main/docs/en/user-guide/quick-start.md
 {{ if .Values.installation.jaeger }}
 4. Get Jaeger query URL by running these commands:
-  export JAEGER_QUERY_PORT=$(kubectl --namespace {{ .Values.installation.namespace }} get services jaeger-all-in-one-query -o jsonpath="{.spec.ports[0].port}")
-  export JAEGER_QUERY_POD=$(kubectl --namespace {{ .Values.installation.namespace }} get pod -l app.kubernetes.io/name=jaeger-all-in-one -o jsonpath='{range .items[*]}{.metadata.name}{end}' | head -n 1)
-  kubectl --namespace {{ .Values.installation.namespace }} port-forward $JAEGER_QUERY_POD 16686:$JAEGER_QUERY_PORT
+  export JAEGER_QUERY_PORT=$(kubectl --namespace {{ template "dragonfly.namespace" . }} get services jaeger-all-in-one-query -o jsonpath="{.spec.ports[0].port}")
+  export JAEGER_QUERY_POD=$(kubectl --namespace {{ template "dragonfly.namespace" . }} get pod -l app.kubernetes.io/name=jaeger-all-in-one -o jsonpath='{range .items[*]}{.metadata.name}{end}' | head -n 1)
+  kubectl --namespace {{ template "dragonfly.namespace" . }} port-forward $JAEGER_QUERY_POD 16686:$JAEGER_QUERY_PORT
   echo "Visit http://127.0.0.1:16686/search?limit=20&lookback=1h&maxDuration&minDuration&service=dragonfly to query download events"
-{{- end }}
\ No newline at end of file
+{{- end }}
diff --git a/deploy/charts/dragonfly/templates/_helpers.tpl b/deploy/charts/dragonfly/templates/_helpers.tpl
index 3993a51a2..c8f7bad2b 100644
--- a/deploy/charts/dragonfly/templates/_helpers.tpl
+++ b/deploy/charts/dragonfly/templates/_helpers.tpl
@@ -6,6 +6,17 @@ Expand the name of the chart.
 {{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
 {{- end -}}
 
+{{/*
+Allow the release namespace to be overridden for multi-namespace in combined charts
+*/}}
+{{- define "dragonfly.namespace" -}}
+  {{- if ne .Release.Namespace "default" -}}
+    {{- .Release.Namespace -}}
+  {{- else if .Values.namespaceOverride -}}
+    {{- .Values.namespaceOverride -}}
+  {{- end -}}
+{{- end -}}
+
 {{/*
 Create a default fully qualified app name.
 We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
diff --git a/deploy/charts/dragonfly/templates/cdn/cdn-configmap.yaml b/deploy/charts/dragonfly/templates/cdn/cdn-configmap.yaml
index aad503171..058ca8dbe 100644
--- a/deploy/charts/dragonfly/templates/cdn/cdn-configmap.yaml
+++ b/deploy/charts/dragonfly/templates/cdn/cdn-configmap.yaml
@@ -2,7 +2,7 @@ apiVersion: v1
 kind: ConfigMap
 metadata:
   name: {{ template "dragonfly.cdn.fullname" . }}
-  namespace: {{ .Values.installation.namespace }}
+  namespace: {{ template "dragonfly.namespace" . }}
   labels:
     app: {{ template "dragonfly.fullname" . }}
     chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
diff --git a/deploy/charts/dragonfly/templates/cdn/cdn-rabc.yaml b/deploy/charts/dragonfly/templates/cdn/cdn-rabc.yaml
index f5c246676..ceb175401 100644
--- a/deploy/charts/dragonfly/templates/cdn/cdn-rabc.yaml
+++ b/deploy/charts/dragonfly/templates/cdn/cdn-rabc.yaml
@@ -3,7 +3,7 @@ kind: Role
 apiVersion: rbac.authorization.k8s.io/v1
 metadata:
   name: {{template "dragonfly.cdn.fullname" . }}-role
-  namespace: {{ .Values.installation.namespace }}
+  namespace: {{ template "dragonfly.namespace" . }}
 rules:
 - apiGroups:
   - ""
@@ -22,7 +22,7 @@ kind: RoleBinding
 apiVersion: rbac.authorization.k8s.io/v1
 metadata:
   name: {{template "dragonfly.cdn.fullname" . }}-role-binding
-  namespace: {{ .Values.installation.namespace }}
+  namespace: {{ template "dragonfly.namespace" . }}
 roleRef:
   kind: Role
   name: {{template "dragonfly.cdn.fullname" . }}-role
@@ -30,4 +30,4 @@ roleRef:
 subjects:
 - kind: ServiceAccount
   name: {{template "dragonfly.cdn.fullname" . }}
-{{- end }}
\ No newline at end of file
+{{- end }}
diff --git a/deploy/charts/dragonfly/templates/cdn/cdn-serviceaccount.yaml b/deploy/charts/dragonfly/templates/cdn/cdn-serviceaccount.yaml
index 583981325..eb5d9231c 100644
--- a/deploy/charts/dragonfly/templates/cdn/cdn-serviceaccount.yaml
+++ b/deploy/charts/dragonfly/templates/cdn/cdn-serviceaccount.yaml
@@ -2,4 +2,4 @@ apiVersion: v1
 kind: ServiceAccount
 metadata:
   name: {{template "dragonfly.cdn.fullname" . }}
-  namespace: {{ .Values.installation.namespace }}
\ No newline at end of file
+  namespace: {{ template "dragonfly.namespace" . }}
diff --git a/deploy/charts/dragonfly/templates/cdn/cdn-statefulset.yaml b/deploy/charts/dragonfly/templates/cdn/cdn-statefulset.yaml
index d75392524..e2ba0cb26 100644
--- a/deploy/charts/dragonfly/templates/cdn/cdn-statefulset.yaml
+++ b/deploy/charts/dragonfly/templates/cdn/cdn-statefulset.yaml
@@ -8,7 +8,7 @@ metadata:
     heritage: {{ .Release.Service }}
     release: {{ .Release.Name }}
   name: {{ template "dragonfly.cdn.fullname" . }}
-  namespace: {{ .Values.installation.namespace }}
+  namespace: {{ template "dragonfly.namespace" . }}
   {{- if .Values.cdn.statefulsetAnnotations }}
   annotations:
 {{ toYaml .Values.cdn.statefulsetAnnotations | indent 4 }}
diff --git a/deploy/charts/dragonfly/templates/dfdaemon/dfdaemon-configmap.yaml b/deploy/charts/dragonfly/templates/dfdaemon/dfdaemon-configmap.yaml
index 52e08b2b9..118d29ee0 100644
--- a/deploy/charts/dragonfly/templates/dfdaemon/dfdaemon-configmap.yaml
+++ b/deploy/charts/dragonfly/templates/dfdaemon/dfdaemon-configmap.yaml
@@ -2,7 +2,7 @@ apiVersion: v1
 kind: ConfigMap
 metadata:
   name: {{ template "dragonfly.dfdaemon.fullname" . }}
-  namespace: {{ .Values.installation.namespace }}
+  namespace: {{ template "dragonfly.namespace" . }}
   labels:
     app: {{ template "dragonfly.fullname" . }}
     chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
@@ -17,14 +17,14 @@ data:
     {{- if .Values.dfdaemon.config.jaeger }}
     jaeger: {{ .Values.dfdaemon.config.jaeger }}
     {{- else if .Values.installation.jaeger }}
-    jaeger: http://jaeger-all-in-one-collector.{{ $.Values.installation.namespace }}.svc{{ $.Values.installation.clusterDomain }}:14268/api/traces
+    jaeger: http://jaeger-all-in-one-collector.{{ template "dragonfly.namespace" $ }}.svc{{ $.Values.installation.clusterDomain }}:14268/api/traces
     {{- end }}
     scheduler:
       netAddrs:
       {{- $count := .Values.scheduler.replicas | int}}
       {{- range $i, $x := until $count }}
       - type: tcp
-        addr: {{template "dragonfly.scheduler.fullname" $ }}-{{$i}}.{{ $.Values.installation.namespace }}.svc{{ $.Values.installation.clusterDomain }}:{{ $.Values.scheduler.service.port }}
+        addr: {{template "dragonfly.scheduler.fullname" $ }}-{{$i}}.{{ template "dragonfly.namespace" $ }}.svc{{ $.Values.installation.clusterDomain }}:{{ $.Values.scheduler.service.port }}
       {{- end }}
       scheduleTimeout: 5m
     host:
diff --git a/deploy/charts/dragonfly/templates/dfdaemon/dfdaemon-daemonset.yaml b/deploy/charts/dragonfly/templates/dfdaemon/dfdaemon-daemonset.yaml
index d842c4c2b..e9928f7ec 100644
--- a/deploy/charts/dragonfly/templates/dfdaemon/dfdaemon-daemonset.yaml
+++ b/deploy/charts/dragonfly/templates/dfdaemon/dfdaemon-daemonset.yaml
@@ -2,7 +2,7 @@ apiVersion: apps/v1
 kind: DaemonSet
 metadata:
   name: {{ template "dragonfly.dfdaemon.fullname" . }}
-  namespace: {{ .Values.installation.namespace }}
+  namespace: {{ template "dragonfly.namespace" . }}
   labels:
     app: {{ template "dragonfly.dfdaemon.fullname" . }}
     chart: {{ .Chart.Name }}-{{ .Chart.Version }}
diff --git a/deploy/charts/dragonfly/templates/jaeger.yaml b/deploy/charts/dragonfly/templates/jaeger.yaml
index ec4ad37c6..a0b7c104a 100644
--- a/deploy/charts/dragonfly/templates/jaeger.yaml
+++ b/deploy/charts/dragonfly/templates/jaeger.yaml
@@ -9,7 +9,7 @@ metadata:
     app.kubernetes.io/name: jaeger-all-in-one
     app.kubernetes.io/part-of: jaeger
   name: jaeger-all-in-one
-  namespace: {{ .Values.installation.namespace }}
+  namespace: {{ template "dragonfly.namespace" . }}
 
 ---
 
@@ -23,7 +23,7 @@ metadata:
     app.kubernetes.io/name: jaeger-all-in-one-ui-configuration
     app.kubernetes.io/part-of: jaeger
   name: jaeger-all-in-one-ui-configuration
-  namespace: {{ .Values.installation.namespace }}
+  namespace: {{ template "dragonfly.namespace" . }}
 data:
   ui: |-
     {
@@ -52,7 +52,7 @@ metadata:
     app.kubernetes.io/name: jaeger-all-in-one-sampling-configuration
     app.kubernetes.io/part-of: jaeger
   name: jaeger-all-in-one-sampling-configuration
-  namespace: {{ .Values.installation.namespace }}
+  namespace: {{ template "dragonfly.namespace" . }}
 data:
   sampling: |-
     {
@@ -74,7 +74,7 @@ metadata:
     app.kubernetes.io/name: jaeger-all-in-one-collector
     app.kubernetes.io/part-of: jaeger
   name: jaeger-all-in-one-collector-headless
-  namespace: {{ .Values.installation.namespace }}
+  namespace: {{ template "dragonfly.namespace" . }}
 spec:
   clusterIP: None
   ports:
@@ -109,7 +109,7 @@ metadata:
     app.kubernetes.io/name: jaeger-all-in-one-collector
     app.kubernetes.io/part-of: jaeger
   name: jaeger-all-in-one-collector
-  namespace: {{ .Values.installation.namespace }}
+  namespace: {{ template "dragonfly.namespace" . }}
 spec:
   ports:
   - name: http-zipkin
@@ -143,7 +143,7 @@ metadata:
     app.kubernetes.io/name: jaeger-all-in-one-query
     app.kubernetes.io/part-of: jaeger
   name: jaeger-all-in-one-query
-  namespace: {{ .Values.installation.namespace }}
+  namespace: {{ template "dragonfly.namespace" . }}
 spec:
   ports:
   - name: http-query
@@ -168,7 +168,7 @@ metadata:
     app.kubernetes.io/name: jaeger-all-in-one-agent
     app.kubernetes.io/part-of: jaeger
   name: jaeger-all-in-one-agent
-  namespace: {{ .Values.installation.namespace }}
+  namespace: {{ template "dragonfly.namespace" . }}
 spec:
   clusterIP: None
   ports:
@@ -206,7 +206,7 @@ metadata:
     app.kubernetes.io/name: jaeger-all-in-one
     app.kubernetes.io/part-of: jaeger
   name: jaeger-all-in-one
-  namespace: {{ .Values.installation.namespace }}
+  namespace: {{ template "dragonfly.namespace" . }}
 spec:
   selector:
     matchLabels:
@@ -294,4 +294,4 @@ spec:
             path: sampling.json
           name: jaeger-all-in-one-sampling-configuration
         name: jaeger-all-in-one-sampling-configuration-volume
-{{- end }}
\ No newline at end of file
+{{- end }}
diff --git a/deploy/charts/dragonfly/templates/namespace.yaml b/deploy/charts/dragonfly/templates/namespace.yaml
index c55afd71c..b6d8272d1 100644
--- a/deploy/charts/dragonfly/templates/namespace.yaml
+++ b/deploy/charts/dragonfly/templates/namespace.yaml
@@ -1,6 +1,6 @@
-{{- if ne $.Values.installation.namespace "kube-system" }}
+{{- if ne $.Release.Namespace $.Values.namespaceOverride }}
 apiVersion: v1
 kind: Namespace
 metadata:
-  name: {{ $.Values.installation.namespace }}
-{{- end }}
\ No newline at end of file
+  name: {{ template "dragonfly.namespace" $ }}
+{{- end }}
diff --git a/deploy/charts/dragonfly/templates/scheduler/scheduler-configmap.yaml b/deploy/charts/dragonfly/templates/scheduler/scheduler-configmap.yaml
index 920ea0516..59cd324c2 100644
--- a/deploy/charts/dragonfly/templates/scheduler/scheduler-configmap.yaml
+++ b/deploy/charts/dragonfly/templates/scheduler/scheduler-configmap.yaml
@@ -2,7 +2,7 @@ apiVersion: v1
 kind: ConfigMap
 metadata:
   name: {{ template "dragonfly.scheduler.fullname" . }}
-  namespace: {{ .Values.installation.namespace }}
+  namespace: {{ template "dragonfly.namespace" . }}
   labels:
     app: {{ template "dragonfly.fullname" . }}
     chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
@@ -27,5 +27,5 @@ apiVersion: v1
 kind: ConfigMap
 metadata:
   name: scheduler-static-cdn
-  namespace: {{ .Values.installation.namespace }}
-{{- end}}
\ No newline at end of file
+  namespace: {{ template "dragonfly.namespace" . }}
+{{- end}}
diff --git a/deploy/charts/dragonfly/templates/scheduler/scheduler-statefulset.yaml b/deploy/charts/dragonfly/templates/scheduler/scheduler-statefulset.yaml
index 237fa8b90..c02fb1927 100644
--- a/deploy/charts/dragonfly/templates/scheduler/scheduler-statefulset.yaml
+++ b/deploy/charts/dragonfly/templates/scheduler/scheduler-statefulset.yaml
@@ -7,8 +7,8 @@ metadata:
     component: "{{ .Values.scheduler.name }}"
     heritage: {{ .Release.Service }}
     release: {{ .Release.Name }}
-  namespace: {{ .Values.installation.namespace }}
   name: {{ template "dragonfly.scheduler.fullname" . }}
+  namespace: {{ template "dragonfly.namespace" . }}
   {{- if .Values.scheduler.statefulsetAnnotations }}
   annotations:
 {{ toYaml .Values.scheduler.statefulsetAnnotations | indent 4 }}
@@ -77,4 +77,4 @@ spec:
       - name: cdn-config
         configMap:
           name: scheduler-static-cdn
-      {{- end}}
\ No newline at end of file
+      {{- end}}
diff --git a/deploy/charts/dragonfly/templates/scheduler/scheduler-svc.yaml b/deploy/charts/dragonfly/templates/scheduler/scheduler-svc.yaml
index 8f8ae967b..be90aa270 100644
--- a/deploy/charts/dragonfly/templates/scheduler/scheduler-svc.yaml
+++ b/deploy/charts/dragonfly/templates/scheduler/scheduler-svc.yaml
@@ -4,7 +4,7 @@ apiVersion: v1
 kind: Service
 metadata:
   name: {{ template "dragonfly.scheduler.fullname" $ }}-{{$i}}
-  namespace: {{ $.Values.installation.namespace }}
+  namespace: {{ template "dragonfly.namespace" $ }}
   labels:
     app: {{ template "dragonfly.name" $ }}
     chart: {{ $.Chart.Name }}-{{ $.Chart.Version }}
@@ -44,4 +44,4 @@ spec:
   {{- end }}
 {{- end }}
 ---
-{{- end }}
\ No newline at end of file
+{{- end }}
diff --git a/deploy/charts/dragonfly/values.yaml b/deploy/charts/dragonfly/values.yaml
index 9d5758c42..56a324972 100644
--- a/deploy/charts/dragonfly/values.yaml
+++ b/deploy/charts/dragonfly/values.yaml
@@ -1,9 +1,9 @@
 nameOverride: ""
+namespaceOverride: "dragonfly-system"
 fullnameOverride: ""
 
 # values for dragonfly installation
 installation:
-  namespace: dragonfly-system
   clusterDomain: ""
   # enable an all in one jaeger for tracing every downloading event
   # should not use in production environment
diff --git a/docs/en/ecosystem/Kubernetes-with-Dragonfly.md b/docs/en/ecosystem/Kubernetes-with-Dragonfly.md
index 58a6d17a6..96988de02 100644
--- a/docs/en/ecosystem/Kubernetes-with-Dragonfly.md
+++ b/docs/en/ecosystem/Kubernetes-with-Dragonfly.md
@@ -92,7 +92,6 @@ git clone https://github.com/dragonflyoss/Dragonfly2.git
 ### Install
 
 ```shell
-kubectl create ns dragonfly-system
 helm install --namespace dragonfly-system dragonfly Dragonfly2/deploy/charts/dragonfly
 ```
 
@@ -109,4 +108,4 @@ kubectl -n dragonfly-system wait --for=condition=ready --all --timeout=10m pod
 Following [Configure Runtime](#configure-runtime) to configure runtime.
 Following [Using Dragonfly](#using-dragonfly) to use Dragonfly.
 
-## Upgrade Guide
\ No newline at end of file
+## Upgrade Guide