diff --git a/k8s/charts/seaweedfs/README.md b/k8s/charts/seaweedfs/README.md
index f75c4feae..210ff7696 100644
--- a/k8s/charts/seaweedfs/README.md
+++ b/k8s/charts/seaweedfs/README.md
@@ -220,10 +220,12 @@ worker:
   adminServer: "seaweedfs-admin.seaweedfs:33646"
   
   # Workers need storage for task execution
+  # Note: Workers use Deployment, so they can't use dynamically provisioned PVCs
+  # Use emptyDir, hostPath, or existingClaim with a pre-provisioned PVC
   data:
-    type: "persistentVolumeClaim"
-    size: "50Gi"  # Adjust based on volume size
-    storageClass: "your-storage-class"
+    type: "emptyDir"  # Or "hostPath" or "existingClaim"
+    hostPathPrefix: /storage  # For hostPath
+    # claimName: "worker-pvc"  # For existingClaim with pre-provisioned PVC
   
   # Resource limits for worker pods
   resources:
diff --git a/k8s/charts/seaweedfs/templates/admin/admin-servicemonitor.yaml b/k8s/charts/seaweedfs/templates/admin/admin-servicemonitor.yaml
index 510044a62..9b3d0d718 100644
--- a/k8s/charts/seaweedfs/templates/admin/admin-servicemonitor.yaml
+++ b/k8s/charts/seaweedfs/templates/admin/admin-servicemonitor.yaml
@@ -15,9 +15,9 @@ metadata:
     {{- with .Values.global.monitoring.additionalLabels }}
     {{- toYaml . | nindent 4 }}
     {{- end }}
-{{- if .Values.admin.annotations }}
+{{- with .Values.admin.serviceMonitor.annotations }}
   annotations:
-    {{- toYaml .Values.admin.annotations | nindent 4 }}
+    {{- toYaml . | nindent 4 }}
 {{- end }}
 spec:
   endpoints:
diff --git a/k8s/charts/seaweedfs/templates/admin/admin-statefulset.yaml b/k8s/charts/seaweedfs/templates/admin/admin-statefulset.yaml
index 4e922ced3..236ec919a 100644
--- a/k8s/charts/seaweedfs/templates/admin/admin-statefulset.yaml
+++ b/k8s/charts/seaweedfs/templates/admin/admin-statefulset.yaml
@@ -142,14 +142,14 @@ spec:
               -adminPassword={{ .Values.admin.adminPassword }} \
               {{- end }}
               {{- if .Values.admin.masters }}
-              -masters={{ .Values.admin.masters }} \
+              -masters={{ .Values.admin.masters }}{{- if .Values.admin.extraArgs }} \{{ end }}
               {{- else if .Values.global.masterServer }}
-              -masters={{ .Values.global.masterServer }} \
+              -masters={{ .Values.global.masterServer }}{{- if .Values.admin.extraArgs }} \{{ end }}
               {{- else }}
-              -masters={{ range $index := until (.Values.master.replicas | int) }}${SEAWEEDFS_FULLNAME}-master-{{ $index }}.${SEAWEEDFS_FULLNAME}-master.{{ $.Release.Namespace }}:{{ $.Values.master.port }}{{ if lt $index (sub ($.Values.master.replicas | int) 1) }},{{ end }}{{ end }} \
+              -masters={{ range $index := until (.Values.master.replicas | int) }}${SEAWEEDFS_FULLNAME}-master-{{ $index }}.${SEAWEEDFS_FULLNAME}-master.{{ $.Release.Namespace }}:{{ $.Values.master.port }}{{ if lt $index (sub ($.Values.master.replicas | int) 1) }},{{ end }}{{ end }}{{- if .Values.admin.extraArgs }} \{{ end }}
               {{- end }}
-              {{- range .Values.admin.extraArgs }}
-              {{ . }} \
+              {{- range $index, $arg := .Values.admin.extraArgs }}
+              {{ $arg }}{{- if lt $index (sub (len $.Values.admin.extraArgs) 1) }} \{{ end }}
               {{- end }}
           volumeMounts:
             {{- if or (eq .Values.admin.data.type "hostPath") (eq .Values.admin.data.type "persistentVolumeClaim") (eq .Values.admin.data.type "emptyDir") (eq .Values.admin.data.type "existingClaim") }}
diff --git a/k8s/charts/seaweedfs/templates/worker/worker-deployment.yaml b/k8s/charts/seaweedfs/templates/worker/worker-deployment.yaml
index 00994d0ec..39cd00aed 100644
--- a/k8s/charts/seaweedfs/templates/worker/worker-deployment.yaml
+++ b/k8s/charts/seaweedfs/templates/worker/worker-deployment.yaml
@@ -135,9 +135,9 @@ spec:
               {{- end }}
               -capabilities={{ .Values.worker.capabilities }} \
               -maxConcurrent={{ .Values.worker.maxConcurrent }} \
-              -workingDir={{ .Values.worker.workingDir }} \
-              {{- range .Values.worker.extraArgs }}
-              {{ . }} \
+              -workingDir={{ .Values.worker.workingDir }}{{- if .Values.worker.extraArgs }} \{{ end }}
+              {{- range $index, $arg := .Values.worker.extraArgs }}
+              {{ $arg }}{{- if lt $index (sub (len $.Values.worker.extraArgs) 1) }} \{{ end }}
               {{- end }}
           volumeMounts:
             {{- if or (eq .Values.worker.data.type "hostPath") (eq .Values.worker.data.type "emptyDir") (eq .Values.worker.data.type "existingClaim") }}
diff --git a/k8s/charts/seaweedfs/templates/worker/worker-servicemonitor.yaml b/k8s/charts/seaweedfs/templates/worker/worker-servicemonitor.yaml
index 9a99d3fd9..681128ee4 100644
--- a/k8s/charts/seaweedfs/templates/worker/worker-servicemonitor.yaml
+++ b/k8s/charts/seaweedfs/templates/worker/worker-servicemonitor.yaml
@@ -15,9 +15,9 @@ metadata:
     {{- with .Values.global.monitoring.additionalLabels }}
     {{- toYaml . | nindent 4 }}
     {{- end }}
-{{- if .Values.worker.annotations }}
+{{- with .Values.worker.serviceMonitor.annotations }}
   annotations:
-    {{- toYaml .Values.worker.annotations | nindent 4 }}
+    {{- toYaml . | nindent 4 }}
 {{- end }}
 spec:
   endpoints:
diff --git a/k8s/charts/seaweedfs/values.yaml b/k8s/charts/seaweedfs/values.yaml
index 7ebe3617c..9837bcc1f 100644
--- a/k8s/charts/seaweedfs/values.yaml
+++ b/k8s/charts/seaweedfs/values.yaml
@@ -1192,6 +1192,10 @@ admin:
     type: ClusterIP
     annotations: {}
 
+  # ServiceMonitor annotations (separate from pod/deployment annotations)
+  serviceMonitor:
+    annotations: {}
+
 worker:
   enabled: false
   imageOverride: null
@@ -1220,21 +1224,17 @@ worker:
   extraArgs: []
 
   # Storage configuration for working directory
+  # Note: Workers use Deployment, so use "emptyDir", "hostPath", or "existingClaim"
+  # Do NOT use "persistentVolumeClaim" - use "existingClaim" with pre-provisioned PVC instead
   data:
-    type: "emptyDir"  # Options: "hostPath", "persistentVolumeClaim", "emptyDir", "existingClaim"
-    size: "50Gi"  # Workers need space for vacuum, balance, etc.
-    storageClass: ""
+    type: "emptyDir"  # Options: "hostPath", "emptyDir", "existingClaim"
     hostPathPrefix: /storage
-    claimName: ""
-    annotations: {}
+    claimName: ""  # For existingClaim type
 
   logs:
-    type: "emptyDir"  # Options: "hostPath", "persistentVolumeClaim", "emptyDir", "existingClaim"
-    size: "5Gi"
-    storageClass: ""
+    type: "emptyDir"  # Options: "hostPath", "emptyDir", "existingClaim"
     hostPathPrefix: /storage
-    claimName: ""
-    annotations: {}
+    claimName: ""  # For existingClaim type
 
   # Additional resources
   sidecars: []
@@ -1260,6 +1260,10 @@ worker:
 
   extraEnvironmentVars: {}
 
+  # ServiceMonitor annotations (separate from pod/deployment annotations)
+  serviceMonitor:
+    annotations: {}
+
 # All-in-one deployment configuration
 allInOne:
   enabled: false