diff --git a/.golangci.yml b/.golangci.yml
index 8aa43e158..9d29ee1a9 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -155,6 +155,13 @@ issues:
       linters:
         - gocritic
 
+    # Gosmopolitan complains of internationalization issues on the file that actually defines
+    # the translation.
+    - path: i18n\.go
+      text: "Han"
+      linters:
+        - gosmopolitan
+
     # These are performance optimisations rather than style issues per se.
     # They warn when function arguments or range values copy a lot of memory
     # rather than using a pointer.
diff --git a/pkg/addon/addon.go b/pkg/addon/addon.go
index 71468b4ae..7c4973c46 100644
--- a/pkg/addon/addon.go
+++ b/pkg/addon/addon.go
@@ -124,6 +124,9 @@ const (
 
 	// InstallerRuntimeOption inject install runtime info into addon options
 	InstallerRuntimeOption string = "installerRuntimeOption"
+
+	// CUEExtension with the expected extension for CUE files
+	CUEExtension = ".cue"
 )
 
 // ParameterFileName is the addon resources/parameter.cue file name
@@ -396,7 +399,7 @@ func readResFile(a *InstallPackage, reader AsyncReader, readPath string) error {
 	}
 	file := ElementFile{Data: b, Name: filepath.Base(readPath)}
 	switch filepath.Ext(filename) {
-	case ".cue":
+	case CUEExtension:
 		a.CUETemplates = append(a.CUETemplates, file)
 	case ".yaml", ".yml":
 		a.YAMLTemplates = append(a.YAMLTemplates, file)
@@ -425,7 +428,7 @@ func readDefFile(a *UIData, reader AsyncReader, readPath string) error {
 	filename := path.Base(readPath)
 	file := ElementFile{Data: b, Name: filepath.Base(readPath)}
 	switch filepath.Ext(filename) {
-	case ".cue":
+	case CUEExtension:
 		a.CUEDefinitions = append(a.CUEDefinitions, file)
 	case ".yaml", ".yml":
 		a.Definitions = append(a.Definitions, file)
@@ -442,7 +445,7 @@ func readConfigTemplateFile(a *UIData, reader AsyncReader, readPath string) erro
 		return err
 	}
 	filename := path.Base(readPath)
-	if filepath.Ext(filename) != ".cue" {
+	if filepath.Ext(filename) != CUEExtension {
 		return nil
 	}
 	file := ElementFile{Data: b, Name: filepath.Base(readPath)}
@@ -458,7 +461,7 @@ func readViewFile(a *InstallPackage, reader AsyncReader, readPath string) error
 	}
 	filename := path.Base(readPath)
 	switch filepath.Ext(filename) {
-	case ".cue":
+	case CUEExtension:
 		a.CUEViews = append(a.CUEViews, ElementFile{Data: b, Name: filepath.Base(readPath)})
 	case ".yaml", ".yml":
 		a.YAMLViews = append(a.YAMLViews, ElementFile{Data: b, Name: filepath.Base(readPath)})
@@ -582,7 +585,7 @@ func unmarshalToContent(content []byte) (fileContent *github.RepositoryContent,
 	if directoryUnmarshalError == nil {
 		return nil, directoryContent, nil
 	}
-	return nil, nil, fmt.Errorf("unmarshalling failed for both file and directory content: %s and %w", fileUnmarshalError, directoryUnmarshalError)
+	return nil, nil, fmt.Errorf("unmarshalling failed for both file and directory content: %s and %w", fileUnmarshalError.Error(), directoryUnmarshalError)
 }
 
 func genAddonAPISchema(addonRes *UIData) error {
diff --git a/pkg/addon/push.go b/pkg/addon/push.go
index dab368df1..4c227d461 100644
--- a/pkg/addon/push.go
+++ b/pkg/addon/push.go
@@ -167,7 +167,9 @@ func (p *PushCmd) Push(ctx context.Context) error {
 	if err != nil {
 		return err
 	}
-
+	defer func() {
+		_ = resp.Body.Close()
+	}()
 	return handlePushResponse(resp)
 }
 
diff --git a/pkg/appfile/appfile.go b/pkg/appfile/appfile.go
index 2a77a8db8..8c14ae446 100644
--- a/pkg/appfile/appfile.go
+++ b/pkg/appfile/appfile.go
@@ -203,7 +203,7 @@ type Appfile struct {
 
 // GeneratePolicyManifests generates policy manifests from an appFile
 // internal policies like apply-once, topology, will not render manifests
-func (af *Appfile) GeneratePolicyManifests(ctx context.Context) ([]*unstructured.Unstructured, error) {
+func (af *Appfile) GeneratePolicyManifests(_ context.Context) ([]*unstructured.Unstructured, error) {
 	var manifests []*unstructured.Unstructured
 	for _, policy := range af.ParsedPolicies {
 		un, err := af.generatePolicyUnstructured(policy)
diff --git a/pkg/appfile/dryrun/dryrun.go b/pkg/appfile/dryrun/dryrun.go
index 6d2a7eb96..5593a0d7b 100644
--- a/pkg/appfile/dryrun/dryrun.go
+++ b/pkg/appfile/dryrun/dryrun.go
@@ -189,7 +189,7 @@ func (d *Option) PrintDryRun(buff *bytes.Buffer, appName string, comps []*types.
 			case traitType == definition.AuxiliaryWorkload:
 				buff.WriteString("## From the auxiliary workload \n")
 			case traitType != "":
-				buff.WriteString(fmt.Sprintf("## From the trait %s \n", traitType))
+				fmt.Fprintf(buff, "## From the trait %s \n", traitType)
 			}
 			result, err := yaml.Marshal(t)
 			if err != nil {
diff --git a/pkg/cmd/utils.go b/pkg/cmd/utils.go
index ed48f15e4..8b6baccea 100644
--- a/pkg/cmd/utils.go
+++ b/pkg/cmd/utils.go
@@ -25,7 +25,7 @@ import (
 )
 
 // GetNamespace get namespace from command flags and env
-func GetNamespace(f Factory, cmd *cobra.Command) string {
+func GetNamespace(_ Factory, cmd *cobra.Command) string {
 	namespace, err := cmd.Flags().GetString(flagNamespace)
 	cmdutil.CheckErr(err)
 	if namespace != "" {
diff --git a/pkg/config/factory.go b/pkg/config/factory.go
index 6afb1b726..a2149a7b4 100644
--- a/pkg/config/factory.go
+++ b/pkg/config/factory.go
@@ -197,8 +197,8 @@ type Distribution struct {
 
 // CreateDistributionSpec the spec of the distribution
 type CreateDistributionSpec struct {
-	Configs []*NamespacedName
-	Targets []*ClusterTarget
+	Configs []*NamespacedName `json:"configs"`
+	Targets []*ClusterTarget  `json:"targets"`
 }
 
 // Validation the response of the validation
@@ -612,7 +612,7 @@ func (k *kubeConfigFactory) GetConfig(ctx context.Context, namespace, name strin
 
 // CreateOrUpdateConfig create or update the config.
 // Write the expand config to the target server.
-func (k *kubeConfigFactory) CreateOrUpdateConfig(ctx context.Context, i *Config, ns string) error {
+func (k *kubeConfigFactory) CreateOrUpdateConfig(ctx context.Context, i *Config, _ string) error {
 	var secret v1.Secret
 	if err := k.cli.Get(ctx, pkgtypes.NamespacedName{Namespace: i.Namespace, Name: i.Name}, &secret); err == nil {
 		if secret.Labels[types.LabelConfigType] != i.Template.Name {
diff --git a/pkg/config/provider/provider.go b/pkg/config/provider/provider.go
index dd194c7d9..edd3b6317 100644
--- a/pkg/config/provider/provider.go
+++ b/pkg/config/provider/provider.go
@@ -56,7 +56,7 @@ type Response struct {
 	Message string `json:"message"`
 }
 
-func (p *provider) Create(ctx monitorContext.Context, wfCtx wfContext.Context, v *value.Value, act types.Action) error {
+func (p *provider) Create(ctx monitorContext.Context, _ wfContext.Context, v *value.Value, _ types.Action) error {
 	var ccp CreateConfigProperties
 	if err := v.UnmarshalTo(&ccp); err != nil {
 		return ErrRequestInvalid
@@ -84,7 +84,7 @@ func (p *provider) Create(ctx monitorContext.Context, wfCtx wfContext.Context, v
 	return p.factory.CreateOrUpdateConfig(ctx.GetContext(), configItem, ccp.Namespace)
 }
 
-func (p *provider) Read(ctx monitorContext.Context, wfCtx wfContext.Context, v *value.Value, act types.Action) error {
+func (p *provider) Read(ctx monitorContext.Context, _ wfContext.Context, v *value.Value, _ types.Action) error {
 	var nn config.NamespacedName
 	if err := v.UnmarshalTo(&nn); err != nil {
 		return ErrRequestInvalid
@@ -96,7 +96,7 @@ func (p *provider) Read(ctx monitorContext.Context, wfCtx wfContext.Context, v *
 	return v.FillObject(content, "config")
 }
 
-func (p *provider) List(ctx monitorContext.Context, wfCtx wfContext.Context, v *value.Value, act types.Action) error {
+func (p *provider) List(ctx monitorContext.Context, _ wfContext.Context, v *value.Value, _ types.Action) error {
 	template, err := v.GetString("template")
 	if err != nil {
 		return ErrRequestInvalid
@@ -125,7 +125,7 @@ func (p *provider) List(ctx monitorContext.Context, wfCtx wfContext.Context, v *
 	return v.FillObject(contents, "configs")
 }
 
-func (p *provider) Delete(ctx monitorContext.Context, wfCtx wfContext.Context, v *value.Value, act types.Action) error {
+func (p *provider) Delete(ctx monitorContext.Context, _ wfContext.Context, v *value.Value, _ types.Action) error {
 	var nn config.NamespacedName
 	if err := v.UnmarshalTo(&nn); err != nil {
 		return errors.New("the request is in valid")
diff --git a/pkg/controller/core.oam.dev/v1beta1/application/application_controller.go b/pkg/controller/core.oam.dev/v1beta1/application/application_controller.go
index cb7a7772c..a4a625e1a 100644
--- a/pkg/controller/core.oam.dev/v1beta1/application/application_controller.go
+++ b/pkg/controller/core.oam.dev/v1beta1/application/application_controller.go
@@ -539,49 +539,49 @@ func (r *Reconciler) SetupWithManager(mgr ctrl.Manager) error {
 			// filter the changes in workflow status
 			// let workflow handle its reconcile
 			UpdateFunc: func(e ctrlEvent.UpdateEvent) bool {
-				new, isNewApp := e.ObjectNew.DeepCopyObject().(*v1beta1.Application)
+				newApp, isNewApp := e.ObjectNew.DeepCopyObject().(*v1beta1.Application)
 				old, isOldApp := e.ObjectOld.DeepCopyObject().(*v1beta1.Application)
 				if !isNewApp || !isOldApp {
 					return filterManagedFieldChangesUpdate(e)
 				}
 
 				// We think this event is triggered by resync
-				if reflect.DeepEqual(old, new) {
+				if reflect.DeepEqual(old, newApp) {
 					return true
 				}
 
 				// filter managedFields changes
 				old.ManagedFields = nil
-				new.ManagedFields = nil
+				newApp.ManagedFields = nil
 
 				// if the generation is changed, return true to let the controller handle it
-				if old.Generation != new.Generation {
+				if old.Generation != newApp.Generation {
 					return true
 				}
 
 				// filter the events triggered by initial application status
-				if new.Status.Phase == common.ApplicationRendering || (old.Status.Phase == common.ApplicationRendering && new.Status.Phase == common.ApplicationRunningWorkflow) {
+				if newApp.Status.Phase == common.ApplicationRendering || (old.Status.Phase == common.ApplicationRendering && newApp.Status.Phase == common.ApplicationRunningWorkflow) {
 					return false
 				}
 
 				// ignore the changes in workflow status
-				if old.Status.Workflow != nil && new.Status.Workflow != nil {
+				if old.Status.Workflow != nil && newApp.Status.Workflow != nil {
 					// only workflow execution will change the status.workflow
 					// let workflow backoff to requeue the event
-					new.Status.Workflow.Steps = old.Status.Workflow.Steps
-					new.Status.Workflow.ContextBackend = old.Status.Workflow.ContextBackend
-					new.Status.Workflow.Message = old.Status.Workflow.Message
-					new.Status.Workflow.EndTime = old.Status.Workflow.EndTime
+					newApp.Status.Workflow.Steps = old.Status.Workflow.Steps
+					newApp.Status.Workflow.ContextBackend = old.Status.Workflow.ContextBackend
+					newApp.Status.Workflow.Message = old.Status.Workflow.Message
+					newApp.Status.Workflow.EndTime = old.Status.Workflow.EndTime
 				}
 
 				// appliedResources and Services will be changed during the execution of workflow
 				// once the resources is added, the managed fields will also be changed
-				new.Status.AppliedResources = old.Status.AppliedResources
-				new.Status.Services = old.Status.Services
+				newApp.Status.AppliedResources = old.Status.AppliedResources
+				newApp.Status.Services = old.Status.Services
 				// the resource version will be changed if the object is changed
 				// ignore this change and let reflect.DeepEqual to compare the rest of the object
-				new.ResourceVersion = old.ResourceVersion
-				return !reflect.DeepEqual(old, new)
+				newApp.ResourceVersion = old.ResourceVersion
+				return !reflect.DeepEqual(old, newApp)
 			},
 			CreateFunc: func(e ctrlEvent.CreateEvent) bool {
 				return true
@@ -616,14 +616,14 @@ func updateObservedGeneration(app *v1beta1.Application) {
 // For old k8s version like 1.18.5, the managedField could always update and cause infinite loop
 // this function helps filter those events and prevent infinite loop
 func filterManagedFieldChangesUpdate(e ctrlEvent.UpdateEvent) bool {
-	new, isNewRT := e.ObjectNew.DeepCopyObject().(*v1beta1.ResourceTracker)
+	newTracker, isNewRT := e.ObjectNew.DeepCopyObject().(*v1beta1.ResourceTracker)
 	old, isOldRT := e.ObjectOld.DeepCopyObject().(*v1beta1.ResourceTracker)
 	if !isNewRT || !isOldRT {
 		return true
 	}
-	new.ManagedFields = old.ManagedFields
-	new.ResourceVersion = old.ResourceVersion
-	return !reflect.DeepEqual(new, old)
+	newTracker.ManagedFields = old.ManagedFields
+	newTracker.ResourceVersion = old.ResourceVersion
+	return !reflect.DeepEqual(newTracker, old)
 }
 
 func findObjectForResourceTracker(rt client.Object) []reconcile.Request {
diff --git a/pkg/controller/core.oam.dev/v1beta1/application/revision.go b/pkg/controller/core.oam.dev/v1beta1/application/revision.go
index 78e2bc405..2ab5e7b26 100644
--- a/pkg/controller/core.oam.dev/v1beta1/application/revision.go
+++ b/pkg/controller/core.oam.dev/v1beta1/application/revision.go
@@ -250,7 +250,8 @@ func ComputeAppRevisionHash(appRevision *v1beta1.ApplicationRevision) (string, e
 		return "", err
 	}
 	for key, wd := range appRevision.Spec.WorkloadDefinitions {
-		hash, err := utils.ComputeSpecHash(&wd.Spec)
+		wdCopy := wd
+		hash, err := utils.ComputeSpecHash(&wdCopy.Spec)
 		if err != nil {
 			return "", err
 		}
@@ -271,7 +272,8 @@ func ComputeAppRevisionHash(appRevision *v1beta1.ApplicationRevision) (string, e
 		revHash.TraitDefinitionHash[key] = hash
 	}
 	for key, pd := range appRevision.Spec.PolicyDefinitions {
-		hash, err := utils.ComputeSpecHash(&pd.Spec)
+		pdCopy := pd
+		hash, err := utils.ComputeSpecHash(&pdCopy.Spec)
 		if err != nil {
 			return "", err
 		}
diff --git a/pkg/definition/gen_sdk/gen_sdk.go b/pkg/definition/gen_sdk/gen_sdk.go
index 566c3043c..8f507451c 100644
--- a/pkg/definition/gen_sdk/gen_sdk.go
+++ b/pkg/definition/gen_sdk/gen_sdk.go
@@ -463,6 +463,9 @@ func (g *Generator) completeOpenAPISchema(doc *openapi3.T) {
 // GenerateCode will call openapi-generator to generate code and modify it
 func (g *Generator) GenerateCode() (err error) {
 	tmpFile, err := os.CreateTemp("", g.meta.name+"-*.json")
+	if err != nil {
+		return err
+	}
 	_, err = tmpFile.Write(g.openapiSchema)
 	if err != nil {
 		return errors.Wrap(err, "write openapi schema to temporary file")
diff --git a/pkg/oam/mock/mocks.go b/pkg/oam/mock/mocks.go
index 76b32848a..4ac55469c 100644
--- a/pkg/oam/mock/mocks.go
+++ b/pkg/oam/mock/mocks.go
@@ -44,7 +44,9 @@ func (m *Conditioned) GetCondition(ct condition.ConditionType) condition.Conditi
 }
 
 // ManagedResourceReferencer is a mock that implements ManagedResourceReferencer interface.
-type ManagedResourceReferencer struct{ Ref *corev1.ObjectReference }
+type ManagedResourceReferencer struct {
+	Ref *corev1.ObjectReference `json:"ref"`
+}
 
 // SetResourceReference sets the ResourceReference.
 func (m *ManagedResourceReferencer) SetResourceReference(r *corev1.ObjectReference) { m.Ref = r }
@@ -53,7 +55,9 @@ func (m *ManagedResourceReferencer) SetResourceReference(r *corev1.ObjectReferen
 func (m *ManagedResourceReferencer) GetResourceReference() *corev1.ObjectReference { return m.Ref }
 
 // A WorkloadReferencer references an OAM Workload type.
-type WorkloadReferencer struct{ Ref corev1.ObjectReference }
+type WorkloadReferencer struct {
+	Ref corev1.ObjectReference `json:"ref"`
+}
 
 // GetWorkloadReference gets the WorkloadReference.
 func (w *WorkloadReferencer) GetWorkloadReference() corev1.ObjectReference {
@@ -201,7 +205,7 @@ type LocalSecretReference struct {
 
 // LocalConnectionSecretWriterTo is a mock that implements LocalConnectionSecretWriterTo interface.
 type LocalConnectionSecretWriterTo struct {
-	Ref *LocalSecretReference
+	Ref *LocalSecretReference `json:"local_secret_ref"`
 }
 
 // SetWriteConnectionSecretToReference sets the WriteConnectionSecretToReference.
diff --git a/pkg/policy/override.go b/pkg/policy/override.go
index 9fa77d4f5..e17acb368 100644
--- a/pkg/policy/override.go
+++ b/pkg/policy/override.go
@@ -31,7 +31,7 @@ import (
 )
 
 // ParseOverridePolicyRelatedDefinitions get definitions inside override policy
-func ParseOverridePolicyRelatedDefinitions(ctx context.Context, cli client.Client, app *v1beta1.Application, policy v1beta1.AppPolicy) (compDefs []*v1beta1.ComponentDefinition, traitDefs []*v1beta1.TraitDefinition, err error) {
+func ParseOverridePolicyRelatedDefinitions(ctx context.Context, cli client.Client, _ *v1beta1.Application, policy v1beta1.AppPolicy) (compDefs []*v1beta1.ComponentDefinition, traitDefs []*v1beta1.TraitDefinition, err error) {
 	if policy.Properties == nil {
 		return compDefs, traitDefs, fmt.Errorf("override policy %s must not have empty properties", policy.Name)
 	}
diff --git a/pkg/resourcekeeper/admission.go b/pkg/resourcekeeper/admission.go
index 2448837ff..10f34702a 100644
--- a/pkg/resourcekeeper/admission.go
+++ b/pkg/resourcekeeper/admission.go
@@ -58,7 +58,7 @@ type NamespaceAdmissionHandler struct {
 }
 
 // Validate check if cross namespace is available
-func (h *NamespaceAdmissionHandler) Validate(ctx context.Context, manifests []*unstructured.Unstructured) error {
+func (h *NamespaceAdmissionHandler) Validate(_ context.Context, manifests []*unstructured.Unstructured) error {
 	if !AllowCrossNamespaceResource {
 		for _, manifest := range manifests {
 			if manifest.GetNamespace() != h.app.GetNamespace() {
@@ -77,7 +77,7 @@ type ResourceTypeAdmissionHandler struct {
 }
 
 // Validate check if resource type is valid
-func (h *ResourceTypeAdmissionHandler) Validate(ctx context.Context, manifests []*unstructured.Unstructured) error {
+func (h *ResourceTypeAdmissionHandler) Validate(_ context.Context, manifests []*unstructured.Unstructured) error {
 	if AllowResourceTypes != "" {
 		if !h.initialized {
 			h.initialized = true
diff --git a/pkg/utils/helm/repo_index.go b/pkg/utils/helm/repo_index.go
index 21e743883..135bd8bfb 100644
--- a/pkg/utils/helm/repo_index.go
+++ b/pkg/utils/helm/repo_index.go
@@ -33,7 +33,7 @@ import (
 const IndexYaml = "index.yaml"
 
 // LoadRepoIndex load helm repo index
-func LoadRepoIndex(ctx context.Context, u string, cred *RepoCredential) (*helmrepo.IndexFile, error) {
+func LoadRepoIndex(_ context.Context, u string, cred *RepoCredential) (*helmrepo.IndexFile, error) {
 
 	if !strings.HasSuffix(u, "/") {
 		u = fmt.Sprintf("%s/%s", u, IndexYaml)
diff --git a/pkg/utils/k8s.go b/pkg/utils/k8s.go
index 1bf25acda..98c154135 100644
--- a/pkg/utils/k8s.go
+++ b/pkg/utils/k8s.go
@@ -399,9 +399,8 @@ func contains(object *runtime.Object, fieldSelector fields.Selector) bool {
 		if (negative && fmt.Sprintf("%v", result.String()) != value) ||
 			(!negative && fmt.Sprintf("%v", result.String()) == value) {
 			continue
-		} else {
-			return false
 		}
+		return false
 	}
 	return true
 }
diff --git a/pkg/utils/parse.go b/pkg/utils/parse.go
index 2735e1d09..7cfe91855 100644
--- a/pkg/utils/parse.go
+++ b/pkg/utils/parse.go
@@ -42,6 +42,9 @@ const TypeGitlab = "gitlab"
 // TypeUnknown represents parse failed
 const TypeUnknown = "unknown"
 
+// errInvalidFormatMsg with the message to be returned in case of a format error.
+const errInvalidFormatMsg = "invalid format "
+
 // Content contains different type of content needed when building Registry
 type Content struct {
 	OssContent
@@ -103,12 +106,12 @@ func Parse(addr string) (string, *Content, error) {
 			// 1. https://github.com/<owner>/<repo>/tree/<branch>/<path-to-dir>
 			// 2. https://github.com/<owner>/<repo>/<path-to-dir>
 			if len(l) < 3 {
-				return "", nil, errors.New("invalid format " + addr)
+				return "", nil, errors.New(errInvalidFormatMsg + addr)
 			}
 			if l[2] == "tree" {
 				// https://github.com/<owner>/<repo>/tree/<branch>/<path-to-dir>
 				if len(l) < 5 {
-					return "", nil, errors.New("invalid format " + addr)
+					return "", nil, errors.New(errInvalidFormatMsg + addr)
 				}
 				return TypeGithub, &Content{
 					GithubContent: GithubContent{
@@ -131,7 +134,7 @@ func Parse(addr string) (string, *Content, error) {
 				nil
 		case "api.github.com":
 			if len(l) != 5 {
-				return "", nil, errors.New("invalid format " + addr)
+				return "", nil, errors.New(errInvalidFormatMsg + addr)
 			}
 			//https://api.github.com/repos/<owner>/<repo>/contents/<path-to-dir>
 			return TypeGithub, &Content{
@@ -148,13 +151,13 @@ func Parse(addr string) (string, *Content, error) {
 			// 1. https://gitee.com/<owner>/<repo>/tree/<branch>/<path-to-dir>
 			// 2. https://gitee.com/<owner>/<repo>/<path-to-dir>
 			if len(l) < 3 {
-				return "", nil, errors.New("invalid format " + addr)
+				return "", nil, errors.New(errInvalidFormatMsg + addr)
 			}
 			switch l[2] {
 			case "tree":
 				// https://gitee.com/<owner>/<repo>/tree/<branch>/<path-to-dir>
 				if len(l) < 5 {
-					return "", nil, errors.New("invalid format " + addr)
+					return "", nil, errors.New(errInvalidFormatMsg + addr)
 				}
 				return TypeGitee, &Content{
 					GiteeContent: GiteeContent{
diff --git a/pkg/velaql/context.go b/pkg/velaql/context.go
index ba807ae43..4f32df91a 100644
--- a/pkg/velaql/context.go
+++ b/pkg/velaql/context.go
@@ -60,34 +60,34 @@ func (c ViewContext) GetStore() *corev1.ConfigMap {
 }
 
 // GetMutableValue get mutable data from workflow context.
-func (c ViewContext) GetMutableValue(paths ...string) string {
+func (c ViewContext) GetMutableValue(_ ...string) string {
 	return ""
 }
 
 // SetMutableValue set mutable data in workflow context config map.
-func (c ViewContext) SetMutableValue(data string, paths ...string) {
+func (c ViewContext) SetMutableValue(_ string, _ ...string) {
 }
 
 // IncreaseCountValueInMemory increase count in workflow context memory store.
-func (c ViewContext) IncreaseCountValueInMemory(paths ...string) int {
+func (c ViewContext) IncreaseCountValueInMemory(_ ...string) int {
 	return 0
 }
 
 // SetValueInMemory set data in workflow context memory store.
-func (c ViewContext) SetValueInMemory(data interface{}, paths ...string) {
+func (c ViewContext) SetValueInMemory(_ interface{}, _ ...string) {
 }
 
 // GetValueInMemory get data in workflow context memory store.
-func (c ViewContext) GetValueInMemory(paths ...string) (interface{}, bool) {
+func (c ViewContext) GetValueInMemory(_ ...string) (interface{}, bool) {
 	return "", true
 }
 
 // DeleteValueInMemory delete data in workflow context memory store.
-func (c ViewContext) DeleteValueInMemory(paths ...string) {
+func (c ViewContext) DeleteValueInMemory(_ ...string) {
 }
 
 // DeleteMutableValue delete mutable data in workflow context.
-func (c ViewContext) DeleteMutableValue(paths ...string) {
+func (c ViewContext) DeleteMutableValue(_ ...string) {
 }
 
 // Commit the workflow context and persist it's content.
diff --git a/pkg/velaql/providers/query/endpoint.go b/pkg/velaql/providers/query/endpoint.go
index 1edeab278..183b4e4f9 100644
--- a/pkg/velaql/providers/query/endpoint.go
+++ b/pkg/velaql/providers/query/endpoint.go
@@ -48,7 +48,7 @@ import (
 // CollectServiceEndpoints generator service endpoints is available for common component type,
 // such as webservice or helm
 // it can not support the cloud service component currently
-func (h *provider) CollectServiceEndpoints(ctx monitorContext.Context, wfCtx wfContext.Context, v *value.Value, act types.Action) error {
+func (h *provider) CollectServiceEndpoints(ctx monitorContext.Context, _ wfContext.Context, v *value.Value, _ types.Action) error {
 	val, err := v.LookupValue("app")
 	if err != nil {
 		return err
diff --git a/pkg/velaql/providers/query/handler.go b/pkg/velaql/providers/query/handler.go
index 061d60db5..7ee251827 100644
--- a/pkg/velaql/providers/query/handler.go
+++ b/pkg/velaql/providers/query/handler.go
@@ -92,7 +92,7 @@ type FilterOption struct {
 }
 
 // ListResourcesInApp lists CRs created by Application, this provider queries the object data.
-func (h *provider) ListResourcesInApp(ctx monitorContext.Context, wfCtx wfContext.Context, v *value.Value, act types.Action) error {
+func (h *provider) ListResourcesInApp(ctx monitorContext.Context, _ wfContext.Context, v *value.Value, _ types.Action) error {
 	val, err := v.LookupValue("app")
 	if err != nil {
 		return err
@@ -113,7 +113,7 @@ func (h *provider) ListResourcesInApp(ctx monitorContext.Context, wfCtx wfContex
 }
 
 // ListAppliedResources list applied resource from tracker, this provider only queries the metadata.
-func (h *provider) ListAppliedResources(ctx monitorContext.Context, wfCtx wfContext.Context, v *value.Value, act types.Action) error {
+func (h *provider) ListAppliedResources(ctx monitorContext.Context, _ wfContext.Context, v *value.Value, _ types.Action) error {
 	val, err := v.LookupValue("app")
 	if err != nil {
 		return err
@@ -138,7 +138,7 @@ func (h *provider) ListAppliedResources(ctx monitorContext.Context, wfCtx wfCont
 	return fillQueryResult(v, appResList, "list")
 }
 
-func (h *provider) CollectResources(ctx monitorContext.Context, wfCtx wfContext.Context, v *value.Value, act types.Action) error {
+func (h *provider) CollectResources(ctx monitorContext.Context, _ wfContext.Context, v *value.Value, _ types.Action) error {
 	val, err := v.LookupValue("app")
 	if err != nil {
 		return err
@@ -180,7 +180,7 @@ func (h *provider) CollectResources(ctx monitorContext.Context, wfCtx wfContext.
 	return fillQueryResult(v, resources, "list")
 }
 
-func (h *provider) SearchEvents(ctx monitorContext.Context, wfCtx wfContext.Context, v *value.Value, act types.Action) error {
+func (h *provider) SearchEvents(ctx monitorContext.Context, _ wfContext.Context, v *value.Value, _ types.Action) error {
 	val, err := v.LookupValue("value")
 	if err != nil {
 		return err
@@ -209,7 +209,7 @@ func (h *provider) SearchEvents(ctx monitorContext.Context, wfCtx wfContext.Cont
 	return fillQueryResult(v, eventList.Items, "list")
 }
 
-func (h *provider) CollectLogsInPod(ctx monitorContext.Context, wfCtx wfContext.Context, v *value.Value, act types.Action) error {
+func (h *provider) CollectLogsInPod(ctx monitorContext.Context, _ wfContext.Context, v *value.Value, _ types.Action) error {
 	cluster, err := v.GetString("cluster")
 	if err != nil {
 		return errors.Wrapf(err, "invalid cluster")
diff --git a/pkg/velaql/view.go b/pkg/velaql/view.go
index 06567c0d3..ec711d263 100644
--- a/pkg/velaql/view.go
+++ b/pkg/velaql/view.go
@@ -159,7 +159,7 @@ func (handler *ViewHandler) QueryView(ctx context.Context, qv QueryView) (*value
 	return viewCtx.GetVar(qv.Export)
 }
 
-func (handler *ViewHandler) dispatch(ctx context.Context, cluster string, owner string, manifests ...*unstructured.Unstructured) error {
+func (handler *ViewHandler) dispatch(ctx context.Context, cluster string, _ string, manifests ...*unstructured.Unstructured) error {
 	ctx = multicluster.ContextWithClusterName(ctx, cluster)
 	applicator := apply.NewAPIApplicator(handler.cli)
 	for _, manifest := range manifests {
@@ -170,7 +170,7 @@ func (handler *ViewHandler) dispatch(ctx context.Context, cluster string, owner
 	return nil
 }
 
-func (handler *ViewHandler) delete(ctx context.Context, cluster string, owner string, manifest *unstructured.Unstructured) error {
+func (handler *ViewHandler) delete(ctx context.Context, _ string, _ string, manifest *unstructured.Unstructured) error {
 	return handler.cli.Delete(ctx, manifest)
 }
 
diff --git a/pkg/webhook/core.oam.dev/v1beta1/application/mutating_handler.go b/pkg/webhook/core.oam.dev/v1beta1/application/mutating_handler.go
index bf900f2ca..8bb5a5e87 100644
--- a/pkg/webhook/core.oam.dev/v1beta1/application/mutating_handler.go
+++ b/pkg/webhook/core.oam.dev/v1beta1/application/mutating_handler.go
@@ -49,7 +49,7 @@ var _ admission.Handler = &MutatingHandler{}
 
 type appMutator func(ctx context.Context, req admission.Request, oldApp *v1beta1.Application, newApp *v1beta1.Application) (bool, error)
 
-func (h *MutatingHandler) handleIdentity(ctx context.Context, req admission.Request, _ *v1beta1.Application, app *v1beta1.Application) (bool, error) {
+func (h *MutatingHandler) handleIdentity(_ context.Context, req admission.Request, _ *v1beta1.Application, app *v1beta1.Application) (bool, error) {
 	if !utilfeature.DefaultMutableFeatureGate.Enabled(features.AuthenticateApplication) {
 		return false, nil
 	}
@@ -66,7 +66,7 @@ func (h *MutatingHandler) handleIdentity(ctx context.Context, req admission.Requ
 	return true, nil
 }
 
-func (h *MutatingHandler) handleWorkflow(ctx context.Context, req admission.Request, _ *v1beta1.Application, app *v1beta1.Application) (modified bool, err error) {
+func (h *MutatingHandler) handleWorkflow(_ context.Context, _ admission.Request, _ *v1beta1.Application, app *v1beta1.Application) (modified bool, err error) {
 	if app.Spec.Workflow != nil {
 		for i, step := range app.Spec.Workflow.Steps {
 			if step.Name == "" {
@@ -84,7 +84,7 @@ func (h *MutatingHandler) handleWorkflow(ctx context.Context, req admission.Requ
 	return modified, nil
 }
 
-func (h *MutatingHandler) handleSharding(ctx context.Context, req admission.Request, oldApp *v1beta1.Application, newApp *v1beta1.Application) (bool, error) {
+func (h *MutatingHandler) handleSharding(_ context.Context, _ admission.Request, oldApp *v1beta1.Application, newApp *v1beta1.Application) (bool, error) {
 	if sharding.EnableSharding && !utilfeature.DefaultMutableFeatureGate.Enabled(features.DisableWebhookAutoSchedule) {
 		oid, scheduled := sharding.GetScheduledShardID(oldApp)
 		_, newScheduled := sharding.GetScheduledShardID(newApp)
diff --git a/pkg/webhook/core.oam.dev/v1beta1/application/validation.go b/pkg/webhook/core.oam.dev/v1beta1/application/validation.go
index 6472fb501..bb191b7d0 100644
--- a/pkg/webhook/core.oam.dev/v1beta1/application/validation.go
+++ b/pkg/webhook/core.oam.dev/v1beta1/application/validation.go
@@ -33,7 +33,7 @@ import (
 )
 
 // ValidateWorkflow validates the Application workflow
-func (h *ValidatingHandler) ValidateWorkflow(ctx context.Context, app *v1beta1.Application) field.ErrorList {
+func (h *ValidatingHandler) ValidateWorkflow(_ context.Context, app *v1beta1.Application) field.ErrorList {
 	var errs field.ErrorList
 	if app.Spec.Workflow != nil {
 		stepName := make(map[string]interface{})
@@ -117,7 +117,7 @@ func (h *ValidatingHandler) ValidateCreate(ctx context.Context, app *v1beta1.App
 }
 
 // ValidateUpdate validates the Application on update
-func (h *ValidatingHandler) ValidateUpdate(ctx context.Context, newApp, oldApp *v1beta1.Application) field.ErrorList {
+func (h *ValidatingHandler) ValidateUpdate(ctx context.Context, newApp, _ *v1beta1.Application) field.ErrorList {
 	// check if the newApp is valid
 	errs := h.ValidateCreate(ctx, newApp)
 	// TODO: add more validating
diff --git a/pkg/webhook/core.oam.dev/v1beta1/componentdefinition/mutating_handler.go b/pkg/webhook/core.oam.dev/v1beta1/componentdefinition/mutating_handler.go
index e300bfee7..6a1918366 100644
--- a/pkg/webhook/core.oam.dev/v1beta1/componentdefinition/mutating_handler.go
+++ b/pkg/webhook/core.oam.dev/v1beta1/componentdefinition/mutating_handler.go
@@ -49,7 +49,7 @@ type MutatingHandler struct {
 var _ admission.Handler = &MutatingHandler{}
 
 // Handle handles admission requests.
-func (h *MutatingHandler) Handle(ctx context.Context, req admission.Request) admission.Response {
+func (h *MutatingHandler) Handle(_ context.Context, req admission.Request) admission.Response {
 	obj := &v1beta1.ComponentDefinition{}
 
 	err := h.Decoder.Decode(req, obj)
diff --git a/pkg/webhook/core.oam.dev/v1beta1/traitdefinition/validating_handler.go b/pkg/webhook/core.oam.dev/v1beta1/traitdefinition/validating_handler.go
index a42bb8ce1..5cbbee464 100644
--- a/pkg/webhook/core.oam.dev/v1beta1/traitdefinition/validating_handler.go
+++ b/pkg/webhook/core.oam.dev/v1beta1/traitdefinition/validating_handler.go
@@ -128,7 +128,7 @@ func (h *ValidatingHandler) InjectDecoder(d *admission.Decoder) error {
 }
 
 // RegisterValidatingHandler will register TraitDefinition validation to webhook
-func RegisterValidatingHandler(mgr manager.Manager, args controller.Args) {
+func RegisterValidatingHandler(mgr manager.Manager, _ controller.Args) {
 	server := mgr.GetWebhookServer()
 	server.Register("/validating-core-oam-dev-v1alpha2-traitdefinitions", &webhook.Admission{Handler: &ValidatingHandler{
 		Validators: []TraitDefValidator{
@@ -150,11 +150,11 @@ func ValidateDefinitionReference(_ context.Context, td v1beta1.TraitDefinition)
 	if len(td.Spec.Reference.Name) > 0 {
 		return nil
 	}
-	cap, err := appfile.ConvertTemplateJSON2Object(td.Name, td.Spec.Extension, td.Spec.Schematic)
+	capability, err := appfile.ConvertTemplateJSON2Object(td.Name, td.Spec.Extension, td.Spec.Schematic)
 	if err != nil {
 		return errors.WithMessage(err, errValidateDefRef)
 	}
-	if cap.CueTemplate == "" {
+	if capability.CueTemplate == "" {
 		return errors.New(failInfoDefRefOmitted)
 
 	}
diff --git a/pkg/workflow/providers/multicluster/multicluster.go b/pkg/workflow/providers/multicluster/multicluster.go
index aefee0594..f4ff7c3d8 100644
--- a/pkg/workflow/providers/multicluster/multicluster.go
+++ b/pkg/workflow/providers/multicluster/multicluster.go
@@ -50,7 +50,7 @@ type provider struct {
 
 // MakePlacementDecisions
 // Deprecated
-func (p *provider) MakePlacementDecisions(ctx monitorContext.Context, wfCtx wfContext.Context, v *value.Value, act wfTypes.Action) error {
+func (p *provider) MakePlacementDecisions(ctx monitorContext.Context, _ wfContext.Context, v *value.Value, _ wfTypes.Action) error {
 	policy, err := v.GetString("inputs", "policyName")
 	if err != nil {
 		return err
@@ -108,7 +108,7 @@ func (p *provider) MakePlacementDecisions(ctx monitorContext.Context, wfCtx wfCo
 
 // PatchApplication
 // Deprecated
-func (p *provider) PatchApplication(ctx monitorContext.Context, wfCtx wfContext.Context, v *value.Value, act wfTypes.Action) error {
+func (p *provider) PatchApplication(_ monitorContext.Context, _ wfContext.Context, v *value.Value, _ wfTypes.Action) error {
 	env, err := v.GetString("inputs", "envName")
 	if err != nil {
 		return err
@@ -138,7 +138,7 @@ func (p *provider) PatchApplication(ctx monitorContext.Context, wfCtx wfContext.
 	return v.FillObject(newApp, "outputs")
 }
 
-func (p *provider) ListClusters(ctx monitorContext.Context, wfCtx wfContext.Context, v *value.Value, act wfTypes.Action) error {
+func (p *provider) ListClusters(ctx monitorContext.Context, _ wfContext.Context, v *value.Value, _ wfTypes.Action) error {
 	secrets, err := multicluster.ListExistingClusterSecrets(ctx, p.Client)
 	if err != nil {
 		return err
@@ -169,7 +169,7 @@ func (p *provider) Deploy(ctx monitorContext.Context, _ wfContext.Context, v *va
 	return nil
 }
 
-func (p *provider) GetPlacementsFromTopologyPolicies(ctx monitorContext.Context, wfCtx wfContext.Context, v *value.Value, act wfTypes.Action) error {
+func (p *provider) GetPlacementsFromTopologyPolicies(ctx monitorContext.Context, _ wfContext.Context, v *value.Value, _ wfTypes.Action) error {
 	policyNames, err := v.GetStringSlice("policies")
 	if err != nil {
 		return err
diff --git a/pkg/workflow/providers/oam/apply.go b/pkg/workflow/providers/oam/apply.go
index 69e47cf1f..34e8bacbd 100644
--- a/pkg/workflow/providers/oam/apply.go
+++ b/pkg/workflow/providers/oam/apply.go
@@ -64,7 +64,7 @@ type provider struct {
 }
 
 // RenderComponent render component
-func (p *provider) RenderComponent(ctx monitorContext.Context, wfCtx wfContext.Context, v *value.Value, act wfTypes.Action) error {
+func (p *provider) RenderComponent(ctx monitorContext.Context, _ wfContext.Context, v *value.Value, _ wfTypes.Action) error {
 	comp, patcher, clusterName, overrideNamespace, err := lookUpCompInfo(v)
 	if err != nil {
 		return err
@@ -93,7 +93,7 @@ func (p *provider) RenderComponent(ctx monitorContext.Context, wfCtx wfContext.C
 }
 
 // ApplyComponent apply component.
-func (p *provider) ApplyComponent(ctx monitorContext.Context, wfCtx wfContext.Context, v *value.Value, act wfTypes.Action) error {
+func (p *provider) ApplyComponent(ctx monitorContext.Context, _ wfContext.Context, v *value.Value, act wfTypes.Action) error {
 	comp, patcher, clusterName, overrideNamespace, err := lookUpCompInfo(v)
 	if err != nil {
 		return err
@@ -155,7 +155,7 @@ func lookUpCompInfo(v *value.Value) (*common.ApplicationComponent, *value.Value,
 }
 
 // LoadComponent load component describe info in application.
-func (p *provider) LoadComponent(ctx monitorContext.Context, wfCtx wfContext.Context, v *value.Value, act wfTypes.Action) error {
+func (p *provider) LoadComponent(ctx monitorContext.Context, _ wfContext.Context, v *value.Value, _ wfTypes.Action) error {
 	app := &v1beta1.Application{}
 	// if specify `app`, use specified application otherwise use default application from provider
 	appSettings, err := v.LookupValue("app")
@@ -200,7 +200,7 @@ func (p *provider) LoadComponent(ctx monitorContext.Context, wfCtx wfContext.Con
 }
 
 // LoadComponentInOrder load component describe info in application output will be a list with order defined in application.
-func (p *provider) LoadComponentInOrder(ctx monitorContext.Context, wfCtx wfContext.Context, v *value.Value, act wfTypes.Action) error {
+func (p *provider) LoadComponentInOrder(ctx monitorContext.Context, _ wfContext.Context, v *value.Value, _ wfTypes.Action) error {
 	app := &v1beta1.Application{}
 	// if specify `app`, use specified application otherwise use default application from provider
 	appSettings, err := v.LookupValue("app")
@@ -232,7 +232,7 @@ func (p *provider) LoadComponentInOrder(ctx monitorContext.Context, wfCtx wfCont
 }
 
 // LoadPolicies load policy describe info in application.
-func (p *provider) LoadPolicies(ctx monitorContext.Context, wfCtx wfContext.Context, v *value.Value, act wfTypes.Action) error {
+func (p *provider) LoadPolicies(_ monitorContext.Context, _ wfContext.Context, v *value.Value, _ wfTypes.Action) error {
 	for _, po := range p.app.Spec.Policies {
 		if err := v.FillObject(po, "value", po.Name); err != nil {
 			return err
diff --git a/pkg/workflow/providers/terraform/terraform.go b/pkg/workflow/providers/terraform/terraform.go
index 9c7e03a2f..8b897e13f 100644
--- a/pkg/workflow/providers/terraform/terraform.go
+++ b/pkg/workflow/providers/terraform/terraform.go
@@ -40,7 +40,7 @@ type provider struct {
 	renderer oamProvider.WorkloadRenderer
 }
 
-func (p *provider) LoadTerraformComponents(ctx monitorContext.Context, wfCtx wfContext.Context, v *value.Value, act wfTypes.Action) error {
+func (p *provider) LoadTerraformComponents(ctx monitorContext.Context, _ wfContext.Context, v *value.Value, _ wfTypes.Action) error {
 	var components []common.ApplicationComponent
 	for _, comp := range p.app.Spec.Components {
 		wl, err := p.renderer(ctx, comp)
@@ -55,7 +55,7 @@ func (p *provider) LoadTerraformComponents(ctx monitorContext.Context, wfCtx wfC
 	return v.FillObject(components, "outputs", "components")
 }
 
-func (p *provider) GetConnectionStatus(ctx monitorContext.Context, wfCtx wfContext.Context, v *value.Value, act wfTypes.Action) error {
+func (p *provider) GetConnectionStatus(_ monitorContext.Context, _ wfContext.Context, v *value.Value, _ wfTypes.Action) error {
 	componentName, err := v.GetString("inputs", "componentName")
 	if err != nil {
 		return errors.Wrapf(err, "failed to get component name")
diff --git a/pkg/workflow/providers/time/date.go b/pkg/workflow/providers/time/date.go
index 52fcb9fe0..a26379195 100644
--- a/pkg/workflow/providers/time/date.go
+++ b/pkg/workflow/providers/time/date.go
@@ -33,7 +33,7 @@ const (
 type provider struct {
 }
 
-func (h *provider) Timestamp(ctx monitorContext.Context, wfCtx wfContext.Context, v *value.Value, act types.Action) error {
+func (h *provider) Timestamp(_ monitorContext.Context, _ wfContext.Context, v *value.Value, _ types.Action) error {
 	date, err := v.GetString("date")
 	if err != nil {
 		return err
@@ -52,7 +52,7 @@ func (h *provider) Timestamp(ctx monitorContext.Context, wfCtx wfContext.Context
 	return v.FillObject(t.Unix(), "timestamp")
 }
 
-func (h *provider) Date(ctx monitorContext.Context, wfCtx wfContext.Context, v *value.Value, act types.Action) error {
+func (h *provider) Date(_ monitorContext.Context, _ wfContext.Context, v *value.Value, _ types.Action) error {
 	timestamp, err := v.GetInt64("timestamp")
 	if err != nil {
 		return err
diff --git a/references/cli/addon-registry.go b/references/cli/addon-registry.go
index 22e046815..ecf7890ad 100644
--- a/references/cli/addon-registry.go
+++ b/references/cli/addon-registry.go
@@ -66,7 +66,7 @@ func NewAddonRegistryCommand(c common.Args, ioStreams cmdutil.IOStreams) *cobra.
 }
 
 // NewAddAddonRegistryCommand return an addon registry create command
-func NewAddAddonRegistryCommand(c common.Args, ioStreams cmdutil.IOStreams) *cobra.Command {
+func NewAddAddonRegistryCommand(c common.Args, _ cmdutil.IOStreams) *cobra.Command {
 	cmd := &cobra.Command{
 		Use:   "add",
 		Short: "Add an addon registry.",
@@ -103,7 +103,7 @@ add a specified gitlab registry: vela addon registry add my-repo --type gitlab -
 }
 
 // NewGetAddonRegistryCommand return an addon registry get command
-func NewGetAddonRegistryCommand(c common.Args, ioStreams cmdutil.IOStreams) *cobra.Command {
+func NewGetAddonRegistryCommand(c common.Args, _ cmdutil.IOStreams) *cobra.Command {
 	return &cobra.Command{
 		Use:     "get",
 		Short:   "Get an addon registry.",
@@ -124,7 +124,7 @@ func NewGetAddonRegistryCommand(c common.Args, ioStreams cmdutil.IOStreams) *cob
 }
 
 // NewListAddonRegistryCommand return an addon registry list command
-func NewListAddonRegistryCommand(c common.Args, ioStreams cmdutil.IOStreams) *cobra.Command {
+func NewListAddonRegistryCommand(c common.Args, _ cmdutil.IOStreams) *cobra.Command {
 	return &cobra.Command{
 		Use:     "list",
 		Short:   "List addon registries.",
@@ -140,7 +140,7 @@ func NewListAddonRegistryCommand(c common.Args, ioStreams cmdutil.IOStreams) *co
 }
 
 // NewUpdateAddonRegistryCommand return an addon registry update command
-func NewUpdateAddonRegistryCommand(c common.Args, ioStreams cmdutil.IOStreams) *cobra.Command {
+func NewUpdateAddonRegistryCommand(c common.Args, _ cmdutil.IOStreams) *cobra.Command {
 	cmd := &cobra.Command{
 		Use:     "update",
 		Short:   "Update an addon registry.",
@@ -162,7 +162,7 @@ func NewUpdateAddonRegistryCommand(c common.Args, ioStreams cmdutil.IOStreams) *
 }
 
 // NewDeleteAddonRegistryCommand return an addon registry delete command
-func NewDeleteAddonRegistryCommand(c common.Args, ioStreams cmdutil.IOStreams) *cobra.Command {
+func NewDeleteAddonRegistryCommand(c common.Args, _ cmdutil.IOStreams) *cobra.Command {
 	return &cobra.Command{
 		Use:     "delete",
 		Short:   "Delete an addon registry",
diff --git a/references/cli/addon.go b/references/cli/addon.go
index af08ce846..30f1ce949 100644
--- a/references/cli/addon.go
+++ b/references/cli/addon.go
@@ -232,7 +232,7 @@ func NewAddonEnableCommand(c common.Args, ioStream cmdutil.IOStreams) *cobra.Com
 }
 
 // AdditionalEndpointPrinter will print endpoints
-func AdditionalEndpointPrinter(ctx context.Context, c common.Args, k8sClient client.Client, name, info string, isUpgrade bool) {
+func AdditionalEndpointPrinter(ctx context.Context, c common.Args, _ client.Client, name, info string, _ bool) {
 	err := printAppEndpoints(ctx, addonutil.Addon2AppName(name), types.DefaultKubeVelaNS, Filter{}, c, true)
 	if err != nil {
 		fmt.Println("Get application endpoints error:", err)
@@ -361,7 +361,7 @@ func parseAddonArgsToMap(args []string) (map[string]interface{}, error) {
 }
 
 // NewAddonDisableCommand create addon disable command
-func NewAddonDisableCommand(c common.Args, ioStream cmdutil.IOStreams) *cobra.Command {
+func NewAddonDisableCommand(c common.Args, _ cmdutil.IOStreams) *cobra.Command {
 	cmd := &cobra.Command{
 		Use:     "disable",
 		Aliases: []string{"uninstall"},
@@ -1180,7 +1180,7 @@ func transClusters(cstr string) []interface{} {
 }
 
 // NewAddonPackageCommand create addon package command
-func NewAddonPackageCommand(c common.Args) *cobra.Command {
+func NewAddonPackageCommand(_ common.Args) *cobra.Command {
 	cmd := &cobra.Command{
 		Use:     "package",
 		Short:   "package an addon directory",
diff --git a/references/cli/common.go b/references/cli/common.go
index 92fbc69f4..16adc8b60 100644
--- a/references/cli/common.go
+++ b/references/cli/common.go
@@ -53,6 +53,12 @@ const (
 	FlagNamespace = "namespace"
 	// FlagInteractive command flag to specify the use of interactive process
 	FlagInteractive = "interactive"
+	// CUEExtension with the expected extension for a CUE file.
+	CUEExtension = ".cue"
+	// YAMLExtension with the expected extension for a YAML file.
+	YAMLExtension = ".yaml"
+	// YMLExtension with an alternative extension for a YAML file as .yml.
+	YMLExtension = ".yml"
 )
 
 func addNamespaceAndEnvArg(cmd *cobra.Command) {
diff --git a/references/cli/def.go b/references/cli/def.go
index 93dd7e97e..01a932053 100644
--- a/references/cli/def.go
+++ b/references/cli/def.go
@@ -166,7 +166,7 @@ func buildTemplateFromYAML(templateYAML string, def *pkgdef.Definition) error {
 }
 
 // NewDefinitionInitCommand create the `vela def init` command to help user initialize a definition locally
-func NewDefinitionInitCommand(c common.Args) *cobra.Command {
+func NewDefinitionInitCommand(_ common.Args) *cobra.Command {
 	cmd := &cobra.Command{
 		Use:   "init DEF_NAME",
 		Short: "Init a new definition",
@@ -688,7 +688,7 @@ func NewDefinitionEditCommand(c common.Args) *cobra.Command {
 				}
 			}
 			filename := fmt.Sprintf("vela-def-%d", time.Now().UnixNano())
-			tempFilePath := filepath.Join(os.TempDir(), filename+".cue")
+			tempFilePath := filepath.Join(os.TempDir(), filename+CUEExtension)
 			if err := os.WriteFile(tempFilePath, []byte(cueString), 0600); err != nil {
 				return errors.Wrapf(err, "failed to write temporary file")
 			}
@@ -821,12 +821,12 @@ func NewDefinitionRenderCommand(c common.Args) *cobra.Command {
 				err := filepath.Walk(args[0], func(path string, info os.FileInfo, err error) error {
 					filename := filepath.Base(path)
 					fileSuffix := filepath.Ext(path)
-					if fileSuffix != ".cue" {
+					if fileSuffix != CUEExtension {
 						return nil
 					}
 					inputFilenames = append(inputFilenames, path)
 					if output != "" {
-						outputFilenames = append(outputFilenames, filepath.Join(output, strings.ReplaceAll(filename, ".cue", ".yaml")))
+						outputFilenames = append(outputFilenames, filepath.Join(output, strings.ReplaceAll(filename, CUEExtension, YAMLExtension)))
 					} else {
 						outputFilenames = append(outputFilenames, "")
 					}
@@ -920,7 +920,7 @@ func defApplyOne(ctx context.Context, c common.Args, namespace, defpath string,
 	def := pkgdef.Definition{Unstructured: unstructured.Unstructured{}}
 
 	switch {
-	case strings.HasSuffix(defpath, ".yaml") || strings.HasSuffix(defpath, ".yml"):
+	case strings.HasSuffix(defpath, YAMLExtension) || strings.HasSuffix(defpath, YMLExtension):
 		// In this case, it's not in cue format, it's a yaml
 		if err = def.FromYAML(defBytes); err != nil {
 			return "", errors.Wrapf(err, "failed to parse YAML to definition")
@@ -1218,7 +1218,7 @@ func NewDefinitionGenDocCommand(_ common.Args, streams util.IOStreams) *cobra.Co
 			readers := make([]io.Reader, 0, len(args))
 
 			for _, arg := range args {
-				if !strings.HasSuffix(arg, ".cue") {
+				if !strings.HasSuffix(arg, CUEExtension) {
 					return fmt.Errorf("invalid file %s, must be a cue file", arg)
 				}
 
diff --git a/references/cli/dryrun.go b/references/cli/dryrun.go
index 9f943dd73..c3d66268c 100644
--- a/references/cli/dryrun.go
+++ b/references/cli/dryrun.go
@@ -189,7 +189,7 @@ func DryRunApplication(cmdOption *DryRunCmdOptions, c common.Args, namespace str
 
 func readObj(path string) (*unstructured.Unstructured, error) {
 	switch {
-	case strings.HasSuffix(path, ".cue"):
+	case strings.HasSuffix(path, CUEExtension):
 		def := pkgdef.Definition{Unstructured: unstructured.Unstructured{}}
 		defBytes, err := os.ReadFile(filepath.Clean(path))
 		if err != nil {
@@ -238,7 +238,7 @@ func ReadDefinitionsFromFile(path string, io cmdutil.IOStreams) ([]*unstructured
 			return nil
 		}
 		fileType := filepath.Ext(e.Name())
-		if fileType != ".yaml" && fileType != ".yml" && fileType != ".cue" {
+		if fileType != YAMLExtension && fileType != YMLExtension && fileType != CUEExtension {
 			return nil
 		}
 		obj, err := readObj(path)
@@ -262,7 +262,7 @@ func readApplicationFromFile(filename string) (*corev1beta1.Application, error)
 
 	fileType := filepath.Ext(filename)
 	switch fileType {
-	case ".yaml", ".yml":
+	case YAMLExtension, YMLExtension:
 		fileContent, err = yaml.YAMLToJSON(fileContent)
 		if err != nil {
 			return nil, err
@@ -288,7 +288,7 @@ func readApplicationFromFiles(cmdOption *DryRunCmdOptions, buff *bytes.Buffer) (
 
 		fileType := filepath.Ext(filename)
 		switch fileType {
-		case ".yaml", ".yml":
+		case YAMLExtension, YMLExtension:
 			// only support one object in one yaml file
 			fileContent, err = yaml.YAMLToJSON(fileContent)
 			if err != nil {
@@ -344,7 +344,7 @@ func readApplicationFromFiles(cmdOption *DryRunCmdOptions, buff *bytes.Buffer) (
 	if !cmdOption.MergeStandaloneFiles {
 		if wf != nil &&
 			((app.Spec.Workflow != nil && app.Spec.Workflow.Ref != wf.Name) || app.Spec.Workflow == nil) {
-			buff.WriteString(fmt.Sprintf("WARNING: workflow %s not referenced by application\n\n", wf.Name))
+			fmt.Fprintf(buff, "WARNING: workflow %s not referenced by application\n\n", wf.Name)
 		}
 	} else {
 		if wf != nil {
@@ -362,7 +362,7 @@ func readApplicationFromFiles(cmdOption *DryRunCmdOptions, buff *bytes.Buffer) (
 	for _, policy := range policies {
 		// check standalone policies
 		if _, exist := policyNameMap[policy.Name]; !exist && !cmdOption.MergeStandaloneFiles {
-			buff.WriteString(fmt.Sprintf("WARNING: policy %s not referenced by application\n\n", policy.Name))
+			fmt.Fprintf(buff, "WARNING: policy %s not referenced by application\n\n", policy.Name)
 			continue
 		}
 		app.Spec.Policies = append(app.Spec.Policies, corev1beta1.AppPolicy{
diff --git a/references/cli/kube.go b/references/cli/kube.go
index 6ecfe7862..dcb22e2ae 100644
--- a/references/cli/kube.go
+++ b/references/cli/kube.go
@@ -126,7 +126,7 @@ func (opt *KubeApplyOptions) Validate() error {
 
 	for _, fileData := range opt.filesData {
 		switch {
-		case strings.HasSuffix(fileData.Path, ".yaml"), strings.HasSuffix(fileData.Path, ".yml"):
+		case strings.HasSuffix(fileData.Path, YAMLExtension), strings.HasSuffix(fileData.Path, YMLExtension):
 			decoder := yaml.NewDecoder(bytes.NewReader(fileData.Data))
 			for {
 				obj := &unstructured.Unstructured{Object: map[string]interface{}{}}
diff --git a/references/cli/show.go b/references/cli/show.go
index 26cb95622..58e34990a 100644
--- a/references/cli/show.go
+++ b/references/cli/show.go
@@ -285,7 +285,7 @@ func generateSideBar(capabilities []types.Capability, docsPath string) error {
 	}
 
 	for _, c := range components {
-		if _, err := f.WriteString(fmt.Sprintf("  - [%s](%s/%s.md)\n", c, types.TypeComponentDefinition, c)); err != nil {
+		if _, err := fmt.Fprintf(f, "  - [%s](%s/%s.md)\n", c, types.TypeComponentDefinition, c); err != nil {
 			return err
 		}
 	}
@@ -293,7 +293,7 @@ func generateSideBar(capabilities []types.Capability, docsPath string) error {
 		return err
 	}
 	for _, t := range traits {
-		if _, err := f.WriteString(fmt.Sprintf("  - [%s](%s/%s.md)\n", t, types.TypeTrait, t)); err != nil {
+		if _, err := fmt.Fprintf(f, "  - [%s](%s/%s.md)\n", t, types.TypeTrait, t); err != nil {
 			return err
 		}
 	}
@@ -301,7 +301,7 @@ func generateSideBar(capabilities []types.Capability, docsPath string) error {
 		return err
 	}
 	for _, t := range workflowSteps {
-		if _, err := f.WriteString(fmt.Sprintf("  - [%s](%s/%s.md)\n", t, types.TypeWorkflowStep, t)); err != nil {
+		if _, err := fmt.Fprintf(f, "  - [%s](%s/%s.md)\n", t, types.TypeWorkflowStep, t); err != nil {
 			return err
 		}
 	}
@@ -310,7 +310,7 @@ func generateSideBar(capabilities []types.Capability, docsPath string) error {
 		return err
 	}
 	for _, t := range policies {
-		if _, err := f.WriteString(fmt.Sprintf("  - [%s](%s/%s.md)\n", t, types.TypePolicy, t)); err != nil {
+		if _, err := fmt.Fprintf(f, "  - [%s](%s/%s.md)\n", t, types.TypePolicy, t); err != nil {
 			return err
 		}
 	}
@@ -392,7 +392,7 @@ func generateREADME(capabilities []types.Capability, docsPath string) error {
 	}
 
 	for _, w := range workloads {
-		if _, err := f.WriteString(fmt.Sprintf("  - [%s](%s/%s.md)\n", w, types.TypeComponentDefinition, w)); err != nil {
+		if _, err := fmt.Fprintf(f, "  - [%s](%s/%s.md)\n", w, types.TypeComponentDefinition, w); err != nil {
 			return err
 		}
 	}
@@ -401,7 +401,7 @@ func generateREADME(capabilities []types.Capability, docsPath string) error {
 	}
 
 	for _, t := range traits {
-		if _, err := f.WriteString(fmt.Sprintf("  - [%s](%s/%s.md)\n", t, types.TypeTrait, t)); err != nil {
+		if _, err := fmt.Fprintf(f, "  - [%s](%s/%s.md)\n", t, types.TypeTrait, t); err != nil {
 			return err
 		}
 	}
@@ -410,7 +410,7 @@ func generateREADME(capabilities []types.Capability, docsPath string) error {
 		return err
 	}
 	for _, t := range workflowSteps {
-		if _, err := f.WriteString(fmt.Sprintf("  - [%s](%s/%s.md)\n", t, types.TypeWorkflowStep, t)); err != nil {
+		if _, err := fmt.Fprintf(f, "  - [%s](%s/%s.md)\n", t, types.TypeWorkflowStep, t); err != nil {
 			return err
 		}
 	}
@@ -419,7 +419,7 @@ func generateREADME(capabilities []types.Capability, docsPath string) error {
 		return err
 	}
 	for _, t := range policies {
-		if _, err := f.WriteString(fmt.Sprintf("  - [%s](%s/%s.md)\n", t, types.TypePolicy, t)); err != nil {
+		if _, err := fmt.Fprintf(f, "  - [%s](%s/%s.md)\n", t, types.TypePolicy, t); err != nil {
 			return err
 		}
 	}
diff --git a/references/cli/top.go b/references/cli/top.go
index 848223b40..ff33fa8f3 100644
--- a/references/cli/top.go
+++ b/references/cli/top.go
@@ -32,7 +32,7 @@ import (
 )
 
 // NewTopCommand will create command `top` for displaying the platform overview
-func NewTopCommand(c common.Args, order string, ioStreams cmdutil.IOStreams) *cobra.Command {
+func NewTopCommand(c common.Args, order string, _ cmdutil.IOStreams) *cobra.Command {
 	cmd := &cobra.Command{
 		Use:   "top",
 		Short: "Launch UI to display the platform overview.",
diff --git a/references/cli/top/component/app_test.go b/references/cli/top/component/app_test.go
index 62642f63a..169ef53d7 100644
--- a/references/cli/top/component/app_test.go
+++ b/references/cli/top/component/app_test.go
@@ -28,44 +28,44 @@ import (
 
 var themeConfig = config.ThemeConfig{
 	Info: struct {
-		Title config.Color
-		Text  config.Color
+		Title config.Color `yaml:"title"`
+		Text  config.Color `yaml:"text"`
 	}{
 		Title: "royalblue",
 		Text:  "lightgray",
 	},
 	Menu: struct {
-		Description config.Color
-		Key         config.Color
+		Description config.Color `yaml:"description"`
+		Key         config.Color `yaml:"key"`
 	}{
 		Description: "gray",
 		Key:         "royalblue",
 	},
 	Logo: struct {
-		Text config.Color
+		Text config.Color `yaml:"text"`
 	}{
 		Text: "royalblue",
 	},
 	Crumbs: struct {
-		Foreground config.Color
-		Background config.Color
+		Foreground config.Color `yaml:"foreground"`
+		Background config.Color `yaml:"background"`
 	}{
 		Foreground: "white",
 		Background: "royalblue",
 	},
 	Border: struct {
-		App   config.Color
-		Table config.Color
+		App   config.Color `yaml:"app"`
+		Table config.Color `yaml:"table"`
 	}{
 		App:   "black",
 		Table: "lightgray",
 	},
 	Table: struct {
-		Title    config.Color
-		Header   config.Color
-		Body     config.Color
-		CursorBg config.Color
-		CursorFg config.Color
+		Title    config.Color `yaml:"title"`
+		Header   config.Color `yaml:"header"`
+		Body     config.Color `yaml:"body"`
+		CursorBg config.Color `yaml:"cursorbg"`
+		CursorFg config.Color `yaml:"cursorfg"`
 	}{
 		Title:    "royalblue",
 		Header:   "white",
@@ -74,13 +74,13 @@ var themeConfig = config.ThemeConfig{
 		CursorFg: "black",
 	},
 	Status: struct {
-		Starting  config.Color
-		Healthy   config.Color
-		UnHealthy config.Color
-		Waiting   config.Color
-		Succeeded config.Color
-		Failed    config.Color
-		Unknown   config.Color
+		Starting  config.Color `yaml:"starting"`
+		Healthy   config.Color `yaml:"healthy"`
+		UnHealthy config.Color `yaml:"unhealthy"`
+		Waiting   config.Color `yaml:"waiting"`
+		Succeeded config.Color `yaml:"succeeded"`
+		Failed    config.Color `yaml:"failed"`
+		Unknown   config.Color `yaml:"unknown"`
 	}{
 		Starting:  "blue",
 		Healthy:   "green",
@@ -91,22 +91,22 @@ var themeConfig = config.ThemeConfig{
 		Unknown:   "gray",
 	},
 	Yaml: struct {
-		Key   config.Color
-		Colon config.Color
-		Value config.Color
+		Key   config.Color `yaml:"key"`
+		Colon config.Color `yaml:"colon"`
+		Value config.Color `yaml:"value"`
 	}{
 		Key:   "#d33582",
 		Colon: "lightgray",
 		Value: "#839495",
 	},
 	Topology: struct {
-		Line      config.Color
-		App       config.Color
-		Workflow  config.Color
-		Component config.Color
-		Policy    config.Color
-		Trait     config.Color
-		Kind      config.Color
+		Line      config.Color `yaml:"line"`
+		App       config.Color `yaml:"app"`
+		Workflow  config.Color `yaml:"workflow"`
+		Component config.Color `yaml:"component"`
+		Policy    config.Color `yaml:"policy"`
+		Trait     config.Color `yaml:"trait"`
+		Kind      config.Color `yaml:"kind"`
 	}{
 		Line:      "cadetblue",
 		App:       "red",
diff --git a/references/cli/top/config/color.go b/references/cli/top/config/color.go
index a80a347ad..9f0a59aec 100644
--- a/references/cli/top/config/color.go
+++ b/references/cli/top/config/color.go
@@ -33,54 +33,54 @@ type Color string
 // ThemeConfig is the theme config.
 type ThemeConfig struct {
 	Info struct {
-		Title Color
-		Text  Color
-	}
+		Title Color `yaml:"title"`
+		Text  Color `yaml:"text"`
+	} `yaml:"info"`
 	Menu struct {
-		Description Color
-		Key         Color
-	}
+		Description Color `yaml:"description"`
+		Key         Color `yaml:"key"`
+	} `yaml:"menu"`
 	Logo struct {
-		Text Color
-	}
+		Text Color `yaml:"text"`
+	} `yaml:"logo"`
 	Crumbs struct {
-		Foreground Color
-		Background Color
-	}
+		Foreground Color `yaml:"foreground"`
+		Background Color `yaml:"background"`
+	} `yaml:"crumbs"`
 	Border struct {
-		App   Color
-		Table Color
-	}
+		App   Color `yaml:"app"`
+		Table Color `yaml:"table"`
+	} `yaml:"border"`
 	Table struct {
-		Title    Color
-		Header   Color
-		Body     Color
-		CursorBg Color
-		CursorFg Color
-	}
+		Title    Color `yaml:"title"`
+		Header   Color `yaml:"header"`
+		Body     Color `yaml:"body"`
+		CursorBg Color `yaml:"cursorbg"`
+		CursorFg Color `yaml:"cursorfg"`
+	} `yaml:"table"`
 	Status struct {
-		Starting  Color
-		Healthy   Color
-		UnHealthy Color
-		Waiting   Color
-		Succeeded Color
-		Failed    Color
-		Unknown   Color
-	}
+		Starting  Color `yaml:"starting"`
+		Healthy   Color `yaml:"healthy"`
+		UnHealthy Color `yaml:"unhealthy"`
+		Waiting   Color `yaml:"waiting"`
+		Succeeded Color `yaml:"succeeded"`
+		Failed    Color `yaml:"failed"`
+		Unknown   Color `yaml:"unknown"`
+	} `yaml:"status"`
 	Yaml struct {
-		Key   Color
-		Colon Color
-		Value Color
-	}
+		Key   Color `yaml:"key"`
+		Colon Color `yaml:"colon"`
+		Value Color `yaml:"value"`
+	} `yaml:"yaml"`
 	Topology struct {
-		Line      Color
-		App       Color
-		Workflow  Color
-		Component Color
-		Policy    Color
-		Trait     Color
-		Kind      Color
-	}
+		Line      Color `yaml:"line"`
+		App       Color `yaml:"app"`
+		Workflow  Color `yaml:"workflow"`
+		Component Color `yaml:"component"`
+		Policy    Color `yaml:"policy"`
+		Trait     Color `yaml:"trait"`
+		Kind      Color `yaml:"kind"`
+	} `yaml:"topology"`
 }
 
 var (
@@ -188,44 +188,44 @@ func LoadThemeConfig() *ThemeConfig {
 func defaultTheme() *ThemeConfig {
 	return &ThemeConfig{
 		Info: struct {
-			Title Color
-			Text  Color
+			Title Color `yaml:"title"`
+			Text  Color `yaml:"text"`
 		}{
 			Title: "royalblue",
 			Text:  "lightgray",
 		},
 		Menu: struct {
-			Description Color
-			Key         Color
+			Description Color `yaml:"description"`
+			Key         Color `yaml:"key"`
 		}{
 			Description: "gray",
 			Key:         "royalblue",
 		},
 		Logo: struct {
-			Text Color
+			Text Color `yaml:"text"`
 		}{
 			Text: "royalblue",
 		},
 		Crumbs: struct {
-			Foreground Color
-			Background Color
+			Foreground Color `yaml:"foreground"`
+			Background Color `yaml:"background"`
 		}{
 			Foreground: "white",
 			Background: "royalblue",
 		},
 		Border: struct {
-			App   Color
-			Table Color
+			App   Color `yaml:"app"`
+			Table Color `yaml:"table"`
 		}{
 			App:   "black",
 			Table: "lightgray",
 		},
 		Table: struct {
-			Title    Color
-			Header   Color
-			Body     Color
-			CursorBg Color
-			CursorFg Color
+			Title    Color `yaml:"title"`
+			Header   Color `yaml:"header"`
+			Body     Color `yaml:"body"`
+			CursorBg Color `yaml:"cursorbg"`
+			CursorFg Color `yaml:"cursorfg"`
 		}{
 			Title:    "royalblue",
 			Header:   "white",
@@ -234,22 +234,22 @@ func defaultTheme() *ThemeConfig {
 			CursorFg: "black",
 		},
 		Yaml: struct {
-			Key   Color
-			Colon Color
-			Value Color
+			Key   Color `yaml:"key"`
+			Colon Color `yaml:"colon"`
+			Value Color `yaml:"value"`
 		}{
 			Key:   "#d33582",
 			Colon: "lightgray",
 			Value: "#839495",
 		},
 		Status: struct {
-			Starting  Color
-			Healthy   Color
-			UnHealthy Color
-			Waiting   Color
-			Succeeded Color
-			Failed    Color
-			Unknown   Color
+			Starting  Color `yaml:"starting"`
+			Healthy   Color `yaml:"healthy"`
+			UnHealthy Color `yaml:"unhealthy"`
+			Waiting   Color `yaml:"waiting"`
+			Succeeded Color `yaml:"succeeded"`
+			Failed    Color `yaml:"failed"`
+			Unknown   Color `yaml:"unknown"`
 		}{
 			Starting:  "blue",
 			Healthy:   "green",
@@ -260,13 +260,13 @@ func defaultTheme() *ThemeConfig {
 			Unknown:   "gray",
 		},
 		Topology: struct {
-			Line      Color
-			App       Color
-			Workflow  Color
-			Component Color
-			Policy    Color
-			Trait     Color
-			Kind      Color
+			Line      Color `yaml:"line"`
+			App       Color `yaml:"app"`
+			Workflow  Color `yaml:"workflow"`
+			Component Color `yaml:"component"`
+			Policy    Color `yaml:"policy"`
+			Trait     Color `yaml:"trait"`
+			Kind      Color `yaml:"kind"`
 		}{
 			Line:      "cadetblue",
 			App:       "red",
diff --git a/references/cli/top/model/cluster.go b/references/cli/top/model/cluster.go
index ad70d596c..b849aa5b0 100644
--- a/references/cli/top/model/cluster.go
+++ b/references/cli/top/model/cluster.go
@@ -65,18 +65,18 @@ func ListClusters(ctx context.Context, c client.Client) (ClusterList, error) {
 		cluster, err := multicluster.NewClusterClient(c).Get(context.Background(), key)
 		if err != nil {
 			continue
-		} else {
-			clusterInfo.alias = cluster.Spec.Alias
-			clusterInfo.clusterType = string(cluster.Spec.CredentialType)
-			clusterInfo.endpoint = cluster.Spec.Endpoint
-			var labels []string
-			for k, v := range cluster.Labels {
-				if !strings.HasPrefix(k, config.MetaApiGroupName) {
-					labels = append(labels, "[blue::]"+k+"="+"[green::]"+v)
-				}
-			}
-			clusterInfo.labels = strings.Join(labels, ",")
 		}
+		clusterInfo.alias = cluster.Spec.Alias
+		clusterInfo.clusterType = string(cluster.Spec.CredentialType)
+		clusterInfo.endpoint = cluster.Spec.Endpoint
+		var labels []string
+		for k, v := range cluster.Labels {
+			if !strings.HasPrefix(k, config.MetaApiGroupName) {
+				labels = append(labels, "[blue::]"+k+"="+"[green::]"+v)
+			}
+		}
+		clusterInfo.labels = strings.Join(labels, ",")
+
 		list = append(list, clusterInfo)
 	}
 	return list, nil
diff --git a/references/cli/top/model/resource.go b/references/cli/top/model/resource.go
index b3f187835..a411f5a2c 100644
--- a/references/cli/top/model/resource.go
+++ b/references/cli/top/model/resource.go
@@ -68,7 +68,7 @@ func collectResource(ctx context.Context, c client.Client, opt query.Option) ([]
 	var resources = make([]unstructured.Unstructured, 0)
 	for _, res := range appResList {
 		if res.ResourceTree != nil {
-			resources = append(resources, sonLeafResource(*res, res.ResourceTree, opt.Filter.Kind, opt.Filter.APIVersion)...)
+			resources = append(resources, sonLeafResource(res.ResourceTree, opt.Filter.Kind, opt.Filter.APIVersion)...)
 		}
 		if (opt.Filter.Kind == "" && opt.Filter.APIVersion == "") || (res.Kind == opt.Filter.Kind && res.APIVersion == opt.Filter.APIVersion) {
 			var object unstructured.Unstructured
@@ -82,11 +82,11 @@ func collectResource(ctx context.Context, c client.Client, opt query.Option) ([]
 	return resources, nil
 }
 
-func sonLeafResource(res querytypes.AppliedResource, node *querytypes.ResourceTreeNode, kind string, apiVersion string) []unstructured.Unstructured {
+func sonLeafResource(node *querytypes.ResourceTreeNode, kind string, apiVersion string) []unstructured.Unstructured {
 	objects := make([]unstructured.Unstructured, 0)
 	if node.LeafNodes != nil {
 		for i := 0; i < len(node.LeafNodes); i++ {
-			objects = append(objects, sonLeafResource(res, node.LeafNodes[i], kind, apiVersion)...)
+			objects = append(objects, sonLeafResource(node.LeafNodes[i], kind, apiVersion)...)
 		}
 	}
 	if (kind == "" && apiVersion == "") || (node.Kind == kind && node.APIVersion == apiVersion) {
diff --git a/references/cli/top/model/resource_test.go b/references/cli/top/model/resource_test.go
index 058201bea..080d886d8 100644
--- a/references/cli/top/model/resource_test.go
+++ b/references/cli/top/model/resource_test.go
@@ -77,7 +77,6 @@ var _ = Describe("test resource", func() {
 })
 
 func TestSonLeafResource(t *testing.T) {
-	res := querytypes.AppliedResource{}
 	node := &querytypes.ResourceTreeNode{
 		LeafNodes: []*querytypes.ResourceTreeNode{
 			{
@@ -85,6 +84,6 @@ func TestSonLeafResource(t *testing.T) {
 			},
 		},
 	}
-	objs := sonLeafResource(res, node, "", "")
+	objs := sonLeafResource(node, "", "")
 	assert.Equal(t, len(objs), 2)
 }
diff --git a/references/cli/workflow.go b/references/cli/workflow.go
index e870d7a3a..1dd7a3f3e 100644
--- a/references/cli/workflow.go
+++ b/references/cli/workflow.go
@@ -72,7 +72,7 @@ func NewWorkflowCommand(c common.Args, order string, ioStreams cmdutil.IOStreams
 }
 
 // NewWorkflowSuspendCommand create workflow suspend command
-func NewWorkflowSuspendCommand(c common.Args, ioStream cmdutil.IOStreams, wargs *WorkflowArgs) *cobra.Command {
+func NewWorkflowSuspendCommand(_ common.Args, _ cmdutil.IOStreams, wargs *WorkflowArgs) *cobra.Command {
 	cmd := &cobra.Command{
 		Use:     "suspend",
 		Short:   "Suspend a workflow.",
@@ -97,7 +97,7 @@ func NewWorkflowSuspendCommand(c common.Args, ioStream cmdutil.IOStreams, wargs
 }
 
 // NewWorkflowResumeCommand create workflow resume command
-func NewWorkflowResumeCommand(c common.Args, ioStream cmdutil.IOStreams, wargs *WorkflowArgs) *cobra.Command {
+func NewWorkflowResumeCommand(_ common.Args, _ cmdutil.IOStreams, wargs *WorkflowArgs) *cobra.Command {
 	cmd := &cobra.Command{
 		Use:     "resume",
 		Short:   "Resume a suspend workflow.",
@@ -122,7 +122,7 @@ func NewWorkflowResumeCommand(c common.Args, ioStream cmdutil.IOStreams, wargs *
 }
 
 // NewWorkflowTerminateCommand create workflow terminate command
-func NewWorkflowTerminateCommand(c common.Args, ioStream cmdutil.IOStreams, wargs *WorkflowArgs) *cobra.Command {
+func NewWorkflowTerminateCommand(_ common.Args, _ cmdutil.IOStreams, wargs *WorkflowArgs) *cobra.Command {
 	cmd := &cobra.Command{
 		Use:     "terminate",
 		Short:   "Terminate a workflow.",
@@ -143,7 +143,7 @@ func NewWorkflowTerminateCommand(c common.Args, ioStream cmdutil.IOStreams, warg
 }
 
 // NewWorkflowRestartCommand create workflow restart command
-func NewWorkflowRestartCommand(c common.Args, ioStream cmdutil.IOStreams, wargs *WorkflowArgs) *cobra.Command {
+func NewWorkflowRestartCommand(_ common.Args, _ cmdutil.IOStreams, wargs *WorkflowArgs) *cobra.Command {
 	cmd := &cobra.Command{
 		Use:     "restart",
 		Short:   "Restart a workflow.",
@@ -167,7 +167,7 @@ func NewWorkflowRestartCommand(c common.Args, ioStream cmdutil.IOStreams, wargs
 }
 
 // NewWorkflowRollbackCommand create workflow rollback command
-func NewWorkflowRollbackCommand(c common.Args, ioStream cmdutil.IOStreams, wargs *WorkflowArgs) *cobra.Command {
+func NewWorkflowRollbackCommand(_ common.Args, _ cmdutil.IOStreams, wargs *WorkflowArgs) *cobra.Command {
 	cmd := &cobra.Command{
 		Use:     "rollback",
 		Short:   "Rollback an application workflow to the latest revision.",
@@ -249,7 +249,7 @@ func NewWorkflowDebugCommand(c common.Args, ioStream cmdutil.IOStreams, wargs *W
 }
 
 // NewWorkflowListCommand create workflow list command
-func NewWorkflowListCommand(c common.Args, ioStream cmdutil.IOStreams, wargs *WorkflowArgs) *cobra.Command {
+func NewWorkflowListCommand(c common.Args, ioStream cmdutil.IOStreams, _ *WorkflowArgs) *cobra.Command {
 	cmd := &cobra.Command{
 		Use:     "list",
 		Short:   "List running workflows",
diff --git a/references/common/application.go b/references/common/application.go
index c133ffe52..6c2e1f30e 100644
--- a/references/common/application.go
+++ b/references/common/application.go
@@ -284,7 +284,7 @@ func CollectApplicationResource(ctx context.Context, c client.Client, opt query.
 	var resources = make([]unstructured.Unstructured, 0)
 	for _, res := range appResList {
 		if res.ResourceTree != nil {
-			resources = append(resources, sonLeafResource(*res, res.ResourceTree, opt.Filter.Kind, opt.Filter.APIVersion)...)
+			resources = append(resources, sonLeafResource(res.ResourceTree, opt.Filter.Kind, opt.Filter.APIVersion)...)
 		}
 		if (opt.Filter.Kind == "" && opt.Filter.APIVersion == "") || (res.Kind == opt.Filter.Kind && res.APIVersion == opt.Filter.APIVersion) {
 			var object unstructured.Unstructured
@@ -298,11 +298,11 @@ func CollectApplicationResource(ctx context.Context, c client.Client, opt query.
 	return resources, nil
 }
 
-func sonLeafResource(res querytypes.AppliedResource, node *querytypes.ResourceTreeNode, kind string, apiVersion string) []unstructured.Unstructured {
+func sonLeafResource(node *querytypes.ResourceTreeNode, kind string, apiVersion string) []unstructured.Unstructured {
 	objects := make([]unstructured.Unstructured, 0)
 	if node.LeafNodes != nil {
 		for i := 0; i < len(node.LeafNodes); i++ {
-			objects = append(objects, sonLeafResource(res, node.LeafNodes[i], kind, apiVersion)...)
+			objects = append(objects, sonLeafResource(node.LeafNodes[i], kind, apiVersion)...)
 		}
 	}
 	if (kind == "" && apiVersion == "") || (node.Kind == kind && node.APIVersion == apiVersion) {
diff --git a/references/cuegen/convert.go b/references/cuegen/convert.go
index 07d8730d0..57c18c096 100644
--- a/references/cuegen/convert.go
+++ b/references/cuegen/convert.go
@@ -31,7 +31,7 @@ import (
 func (g *Generator) convertDecls(x *goast.GenDecl) (decls []Decl, _ error) {
 	// TODO(iyear): currently only support 'type'
 	if x.Tok != gotoken.TYPE {
-		return
+		return decls, nil
 	}
 
 	for _, spec := range x.Specs {
diff --git a/references/docgen/console.go b/references/docgen/console.go
index e764bb94c..441a7a9d6 100644
--- a/references/docgen/console.go
+++ b/references/docgen/console.go
@@ -125,7 +125,7 @@ func (ref *ConsoleReference) GenerateTerraformCapabilityProperties(capability ty
 }
 
 // Show will show capability reference in console
-func (ref *ConsoleReference) Show(ctx context.Context, c common.Args, ioStreams cmdutil.IOStreams, capabilityName string, ns string, rev int64) error {
+func (ref *ConsoleReference) Show(ctx context.Context, c common.Args, ioStreams cmdutil.IOStreams, capabilityName string, ns string, _ int64) error {
 	caps, err := ref.getCapabilities(ctx, c)
 	if err != nil {
 		return err
diff --git a/references/docgen/markdown.go b/references/docgen/markdown.go
index c5db39dc7..d6bca9a9e 100644
--- a/references/docgen/markdown.go
+++ b/references/docgen/markdown.go
@@ -139,7 +139,7 @@ func (ref *MarkdownReference) CreateMarkdown(ctx context.Context, caps []types.C
 
 // GenerateMarkdownForCap will generate markdown for one capability
 // nolint:gocyclo
-func (ref *MarkdownReference) GenerateMarkdownForCap(ctx context.Context, c types.Capability, pd *packages.PackageDiscover, containSuffix bool) (string, error) {
+func (ref *MarkdownReference) GenerateMarkdownForCap(_ context.Context, c types.Capability, pd *packages.PackageDiscover, containSuffix bool) (string, error) {
 	var (
 		description   string
 		base          string
diff --git a/references/docgen/provider.go b/references/docgen/provider.go
index 56c41b355..16815b879 100644
--- a/references/docgen/provider.go
+++ b/references/docgen/provider.go
@@ -100,7 +100,7 @@ func GenerateProviderMarkdown(provider io.Reader, w io.Writer) error {
 		}
 
 		// header
-		docs.WriteString(fmt.Sprintf("## %s\n", iter.Label()))
+		fmt.Fprintf(docs, "## %s\n", iter.Label())
 
 		doc, _, err := ref.parseParameters("", item.LookupPath(cue.ParsePath(paramsKey)), "*Params*", 0, true)
 		if err != nil {
@@ -116,7 +116,7 @@ func GenerateProviderMarkdown(provider io.Reader, w io.Writer) error {
 	}
 
 	doc := bytes.NewBuffer(nil)
-	doc.WriteString(fmt.Sprintf("# %s\n\n", pkg)) // package name header
+	fmt.Fprintf(doc, "# %s\n\n", pkg) // package name header
 	doc.Write(docs.Bytes())
 	doc.WriteString("------\n\n") // footer