diff --git a/apps/v1alpha1/well_known_labels.go b/apps/v1alpha1/well_known_labels.go
index 193363f..506eaae 100644
--- a/apps/v1alpha1/well_known_labels.go
+++ b/apps/v1alpha1/well_known_labels.go
@@ -22,24 +22,39 @@ const (
 
 // PodOpsLifecycle labels
 const (
-	PodOperatingLabelPrefix           = "operating.podopslifecycle.kusionstack.io"            // indicate a pod is operating
-	PodOperationTypeLabelPrefix       = "operation-type.podopslifecycle.kusionstack.io"       // indicate the type of operation
-	PodOperationPermissionLabelPrefix = "operation-permission.podopslifecycle.kusionstack.io" // indicate the permission of operation
-	PodUndoOperationTypeLabelPrefix   = "undo-operation-type.podopslifecycle.kusionstack.io"  // indicate the type of operation has been canceled
-	PodDoneOperationTypeLabelPrefix   = "done-operation-type.podopslifecycle.kusionstack.io"  // indicate the type of operation has been done
+	// PodOperatingLabelPrefix indicates a pod is operating
+	PodOperatingLabelPrefix = "operating.podopslifecycle.kusionstack.io"
+	// PodOperationTypeLabelPrefix indicates the type of operation
+	PodOperationTypeLabelPrefix = "operation-type.podopslifecycle.kusionstack.io"
+	// PodOperationPermissionLabelPrefix indicates the permission of operation
+	PodOperationPermissionLabelPrefix = "operation-permission.podopslifecycle.kusionstack.io"
+	// PodUndoOperationTypeLabelPrefix indicates the type of operation has been canceled
+	PodUndoOperationTypeLabelPrefix = "undo-operation-type.podopslifecycle.kusionstack.io"
+	// PodDoneOperationTypeLabelPrefix indicates the type of operation has been done
+	PodDoneOperationTypeLabelPrefix = "done-operation-type.podopslifecycle.kusionstack.io"
 
-	PodPreCheckLabelPrefix    = "pre-check.podopslifecycle.kusionstack.io"    // indicate a pod is in pre-check phase
-	PodPreCheckedLabelPrefix  = "pre-checked.podopslifecycle.kusionstack.io"  // indicate a pod has finished pre-check phase
-	PodPreparingLabelPrefix   = "preparing.podopslifecycle.kusionstack.io"    // indicate a pod is preparing for operation
-	PodOperateLabelPrefix     = "operate.podopslifecycle.kusionstack.io"      // indicate a pod is in operate phase
-	PodOperatedLabelPrefix    = "operated.podopslifecycle.kusionstack.io"     // indicate a pod has finished operate phase
-	PodPostCheckLabelPrefix   = "post-check.podopslifecycle.kusionstack.io"   // indicate a pod is in post-check phase
-	PodPostCheckedLabelPrefix = "post-checked.podopslifecycle.kusionstack.io" // indicate a pod has finished post-check phase
-	PodCompletingLabelPrefix  = "completing.podopslifecycle.kusionstack.io"   // indicate a pod is completing operation
+	// PodPreCheckLabelPrefix indicates a pod is in pre-check phase
+	PodPreCheckLabelPrefix = "pre-check.podopslifecycle.kusionstack.io"
+	// PodPreCheckedLabelPrefix indicates a pod has finished pre-check phase
+	PodPreCheckedLabelPrefix = "pre-checked.podopslifecycle.kusionstack.io"
+	// PodPreparingLabelPrefix indicates a pod is preparing for operation
+	PodPreparingLabelPrefix = "preparing.podopslifecycle.kusionstack.io"
+	// PodOperateLabelPrefix indicates a pod is in operate phase
+	PodOperateLabelPrefix = "operate.podopslifecycle.kusionstack.io"
+	// PodOperatedLabelPrefix indicates a pod has finished operate phase
+	PodOperatedLabelPrefix = "operated.podopslifecycle.kusionstack.io"
+	// PodPostCheckLabelPrefix indicates a pod is in post-check phase
+	PodPostCheckLabelPrefix = "post-check.podopslifecycle.kusionstack.io"
+	// PodPostCheckedLabelPrefix indicates a pod has finished post-check phase
+	PodPostCheckedLabelPrefix = "post-checked.podopslifecycle.kusionstack.io"
+	// PodCompletingLabelPrefix indicates a pod is completing operation
+	PodCompletingLabelPrefix = "completing.podopslifecycle.kusionstack.io"
 
-	PodServiceAvailableLabel = "podopslifecycle.kusionstack.io/service-available" // indicate a pod is available to serve
-	PodStayOfflineLabel      = "podopslifecycle.kusionstack.io/stay-offline"      // indicate a pod is not ready and available to serve
-	PodPreparingDeleteLabel  = "podopslifecycle.kusionstack.io/preparing-to-delete"
+	// PodServiceAvailableLabel indicates a pod is available to serve
+	PodServiceAvailableLabel = "podopslifecycle.kusionstack.io/service-available"
+	// PodStayOfflineLabel indicates a pod is not ready and available to serve
+	PodStayOfflineLabel     = "podopslifecycle.kusionstack.io/stay-offline"
+	PodPreparingDeleteLabel = "podopslifecycle.kusionstack.io/preparing-to-delete"
 )
 
 var (
@@ -50,19 +65,29 @@ var (
 
 // CollaSet labels
 const (
-	PodInstanceIDLabelKey          = "collaset.kusionstack.io/instance-id"           // used to attach Pod instance ID on Pod
-	CollaSetUpdateIndicateLabelKey = "collaset.kusionstack.io/update-included"       // used to indicate a pod should be updated by label
-	PodUpgradeByRecreateLabelKey   = "collaset.kusionstack.io/upgrade-by-recreating" // used to indicate a pod is upgraded by recreate
+	// PodInstanceIDLabelKey is used to attach Pod instance ID on Pod
+	PodInstanceIDLabelKey = "collaset.kusionstack.io/instance-id"
+	// CollaSetUpdateIndicateLabelKey is used to indicate a pod should be updated by label
+	CollaSetUpdateIndicateLabelKey = "collaset.kusionstack.io/update-included"
 
-	PodDeletionIndicationLabelKey     = "collaset.kusionstack.io/to-delete"  // users can use this label to indicate a pod to delete
-	PodReplaceIndicationLabelKey      = "collaset.kusionstack.io/to-replace" // users can use this label to indicate a pod to replace
+	// PodDeletionIndicationLabelKey indicates a pod will be deleted by collaset
+	PodDeletionIndicationLabelKey = "collaset.kusionstack.io/to-delete"
+	// PodReplaceIndicationLabelKey indicates a pod will be replaced by collaset
+	PodReplaceIndicationLabelKey = "collaset.kusionstack.io/to-replace"
+	// PodReplaceByReplaceUpdateLabelKey indicates a pod is replaced by update by collaset
 	PodReplaceByReplaceUpdateLabelKey = "collaset.kusionstack.io/replaced-by-replace-update"
-	PodIgnoringIndicationLabelKey     = "collaset.kusionstack.io/to-ignore" // users can use this label to indicate a pod to be ignored by collaset
+	// PodIgnoringIndicationLabelKey indicates a pod to be ignored by collaset. For example,
+	// a Pod is stuck to delete when it is on a failed node or its network communication to
+	// the outside world is completely cut, then the Pod can be ignored by CollaSet.
+	PodIgnoringIndicationLabelKey = "collaset.kusionstack.io/to-ignore"
 
-	PodReplacePairOriginName = "collaset.kusionstack.io/replace-pair-origin-name" // used to indicate the original Pod name for replacement.
-	PodReplacePairNewId      = "collaset.kusionstack.io/replace-pair-new-id"      // used to indicate the new created Pod instance ID for replacement.
+	// PodReplacePairOriginName is used to indicate replace origin Pod name on the new created Pod
+	PodReplacePairOriginName = "collaset.kusionstack.io/replace-pair-origin-name"
+	// PodReplacePairNewId is used to indicate the new created Pod instance on the replace origin Pod
+	PodReplacePairNewId = "collaset.kusionstack.io/replace-pair-new-id"
 
-	PvcTemplateHashLabelKey = "collaset.kusionstack.io/pvc-template-hash" // used to attach hash of pvc template to pvc resource
+	// PvcTemplateHashLabelKey is used to attach hash of pvc template to pvc resource
+	PvcTemplateHashLabelKey = "collaset.kusionstack.io/pvc-template-hash"
 )
 
 // PodDecoration labels