diff --git a/cmd/api/app/router/middleware.go b/cmd/api/app/router/middleware.go
index 0259601a..0fa31c7c 100644
--- a/cmd/api/app/router/middleware.go
+++ b/cmd/api/app/router/middleware.go
@@ -25,6 +25,7 @@ import (
 	"net/http"
 )
 
+// EnsureMemberClusterMiddleware ensures that the member cluster exists.
 func EnsureMemberClusterMiddleware() gin.HandlerFunc {
 	return func(c *gin.Context) {
 		karmadaClient := client.InClusterKarmadaClient()
diff --git a/cmd/api/app/router/setup.go b/cmd/api/app/router/setup.go
index ee1a6863..b3a8db70 100644
--- a/cmd/api/app/router/setup.go
+++ b/cmd/api/app/router/setup.go
@@ -46,14 +46,17 @@ func init() {
 	})
 }
 
+// V1 returns the router group for API version 1 endpoints.
 func V1() *gin.RouterGroup {
 	return v1
 }
 
+// Router returns the main Gin engine instance.
 func Router() *gin.Engine {
 	return router
 }
 
+// MemberV1 returns the router group for member cluster specific endpoints.
 func MemberV1() *gin.RouterGroup {
 	return member
 }
diff --git a/cmd/api/app/routes/cluster/accesscluster.go b/cmd/api/app/routes/cluster/accesscluster.go
index c7c89f4c..ddc5892f 100644
--- a/cmd/api/app/routes/cluster/accesscluster.go
+++ b/cmd/api/app/routes/cluster/accesscluster.go
@@ -41,9 +41,11 @@ const (
 	// KarmadaAgentServiceAccountName is the name of karmada-agent serviceaccount
 	KarmadaAgentServiceAccountName = "karmada-agent-sa"
 	// KarmadaAgentName is the name of karmada-agent
-	KarmadaAgentName  = "karmada-agent"
+	KarmadaAgentName = "karmada-agent"
+	// KarmadaAgentImage is the image of karmada-agent
 	KarmadaAgentImage = "karmada/karmada-agent:latest"
-	ClusterNamespace  = "karmada-cluster"
+	// ClusterNamespace is the namespace of cluster
+	ClusterNamespace = "karmada-cluster"
 )
 
 var (
@@ -52,6 +54,7 @@ var (
 	timeout              = 5 * time.Minute
 )
 
+// PullModeOption is the option for pull mode
 type PullModeOption struct {
 	karmadaClient          karmadaclientset.Interface
 	karmadaAgentCfg        *clientcmdapi.Config
@@ -236,6 +239,7 @@ func (o PullModeOption) makeKarmadaAgentDeployment() *appsv1.Deployment {
 	return karmadaAgent
 }
 
+// AccessClusterInPullMode access cluster in pull mode
 func AccessClusterInPullMode(opts *PullModeOption) error {
 	_, exist, err := karmadautil.GetClusterWithKarmadaClient(opts.karmadaClient, opts.memberClusterName)
 	if err != nil {
@@ -268,6 +272,7 @@ func AccessClusterInPullMode(opts *PullModeOption) error {
 	return nil
 }
 
+// PushModeOption is the option for push mode
 type PushModeOption struct {
 	karmadaClient           karmadaclientset.Interface
 	clusterName             string
@@ -275,6 +280,7 @@ type PushModeOption struct {
 	memberClusterRestConfig *rest.Config
 }
 
+// AccessClusterInPushMode access cluster in push mode
 func AccessClusterInPushMode(opts *PushModeOption) error {
 	registerOption := karmadautil.ClusterRegisterOption{
 		ClusterNamespace:   ClusterNamespace,
diff --git a/cmd/api/app/routes/config/handler.go b/cmd/api/app/routes/config/handler.go
index ac8e9c9c..b44e7306 100644
--- a/cmd/api/app/routes/config/handler.go
+++ b/cmd/api/app/routes/config/handler.go
@@ -26,11 +26,13 @@ import (
 	"k8s.io/klog/v2"
 )
 
+// GetDashboardConfig handles the request to retrieve the dashboard configuration.
 func GetDashboardConfig(c *gin.Context) {
 	dashboardConfig := config.GetDashboardConfig()
 	common.Success(c, dashboardConfig)
 }
 
+// SetDashboardConfig handles the request to update the dashboard configuration.
 func SetDashboardConfig(c *gin.Context) {
 	setDashboardConfigRequest := new(v1.SetDashboardConfigRequest)
 	if err := c.ShouldBind(setDashboardConfigRequest); err != nil {
diff --git a/cmd/api/app/routes/overview/misc.go b/cmd/api/app/routes/overview/misc.go
index 19b1fdc4..bd8c2346 100644
--- a/cmd/api/app/routes/overview/misc.go
+++ b/cmd/api/app/routes/overview/misc.go
@@ -40,6 +40,7 @@ const (
 	app       = "karmada-controller-manager"
 )
 
+// GetControllerManagerVersionInfo returns the version info of karmada-controller-manager.
 func GetControllerManagerVersionInfo() (*version.Info, error) {
 	kubeClient := client.InClusterClient()
 	restConfig, _, err := client.GetKubeConfig()
@@ -90,6 +91,7 @@ func GetControllerManagerVersionInfo() (*version.Info, error) {
 	return parseVersion, nil
 }
 
+// ParseVersion parses the version string to version.Info.
 func ParseVersion(versionStr string) *version.Info {
 	versionInfo := &version.Info{}
 	leftBraceIdx := strings.IndexByte(versionStr, '{')
@@ -127,6 +129,7 @@ func ParseVersion(versionStr string) *version.Info {
 	return versionInfo
 }
 
+// GetControllerManagerInfo returns the version info of karmada-controller-manager.
 func GetControllerManagerInfo() (*v1.KarmadaInfo, error) {
 	versionInfo, err := GetControllerManagerVersionInfo()
 	if err != nil {
@@ -153,6 +156,7 @@ func GetControllerManagerInfo() (*v1.KarmadaInfo, error) {
 	return karmadaInfo, nil
 }
 
+// GetMemberClusterInfo returns the status of member clusters.
 func GetMemberClusterInfo(ds *dataselect.DataSelectQuery) (*v1.MemberClusterStatus, error) {
 	karmadaClient := client.InClusterKarmadaClient()
 	result, err := cluster.GetClusterList(karmadaClient, ds)
@@ -185,6 +189,7 @@ func GetMemberClusterInfo(ds *dataselect.DataSelectQuery) (*v1.MemberClusterStat
 	return memberClusterStatus, nil
 }
 
+// GetClusterResourceStatus returns the status of cluster resources.
 func GetClusterResourceStatus() (*v1.ClusterResourceStatus, error) {
 	clusterResourceStatus := &v1.ClusterResourceStatus{}
 	ctx := context.TODO()
diff --git a/cmd/api/app/types/api/v1/auth.go b/cmd/api/app/types/api/v1/auth.go
index 6894e5cb..b556ce9d 100644
--- a/cmd/api/app/types/api/v1/auth.go
+++ b/cmd/api/app/types/api/v1/auth.go
@@ -16,19 +16,23 @@ limitations under the License.
 
 package v1
 
+// LoginRequest is the request for login.
 type LoginRequest struct {
 	Token string `json:"token"`
 }
 
+// LoginResponse is the response for login.
 type LoginResponse struct {
 	Token string `json:"token"`
 }
 
+// User is the user info.
 type User struct {
 	Name          string `json:"name,omitempty"`
 	Authenticated bool   `json:"authenticated"`
 }
 
+// ServiceAccount is the service account info.
 type ServiceAccount struct {
 	Name string `json:"name"`
 	UID  string `json:"uid"`
diff --git a/cmd/api/app/types/api/v1/cluster.go b/cmd/api/app/types/api/v1/cluster.go
index 0aadb5ba..8506e0b8 100644
--- a/cmd/api/app/types/api/v1/cluster.go
+++ b/cmd/api/app/types/api/v1/cluster.go
@@ -21,6 +21,7 @@ import (
 	corev1 "k8s.io/api/core/v1"
 )
 
+// PostClusterRequest is the request body for creating a cluster.
 type PostClusterRequest struct {
 	MemberClusterKubeConfig string                   `json:"memberClusterKubeconfig" binding:"required"`
 	SyncMode                v1alpha1.ClusterSyncMode `json:"syncMode" binding:"required"`
@@ -32,26 +33,37 @@ type PostClusterRequest struct {
 	ClusterZones            []string                 `json:"clusterZones"`
 }
 
+// PostClusterResponse is the response body for creating a cluster.
 type PostClusterResponse struct {
 }
 
+// LabelRequest is the request body for labeling a cluster.
 type LableRequest struct {
 	Key   string `json:"key"`
 	Value string `json:"value"`
 }
+
+// TaintRequest is the request body for tainting a cluster.
 type TaintRequest struct {
 	Effect corev1.TaintEffect `json:"effect"`
 	Key    string             `json:"key"`
 	Value  string             `json:"value"`
 }
+
+// PutClusterRequest is the request body for updating a cluster.
 type PutClusterRequest struct {
 	Labels *[]LableRequest `json:"labels"`
 	Taints *[]TaintRequest `json:"taints"`
 }
+
+// PutClusterResponse is the response body for updating a cluster.
 type PutClusterResponse struct{}
 
+// DeleteClusterRequest is the request body for deleting a cluster.
 type DeleteClusterRequest struct {
 	MemberClusterName string `uri:"name" binding:"required"`
 }
+
+// DeleteClusterResponse is the response body for deleting a cluster.
 type DeleteClusterResponse struct {
 }
diff --git a/cmd/api/app/types/api/v1/deployment.go b/cmd/api/app/types/api/v1/deployment.go
index acefb18f..55ba8ccf 100644
--- a/cmd/api/app/types/api/v1/deployment.go
+++ b/cmd/api/app/types/api/v1/deployment.go
@@ -16,9 +16,12 @@ limitations under the License.
 
 package v1
 
+// CreateDeploymentRequest defines the request structure for creating a deployment.
 type CreateDeploymentRequest struct {
 	Namespace string `json:"namespace"`
 	Name      string `json:"name"`
 	Content   string `json:"content"`
 }
+
+// CreateDeploymentResponse defines the response structure for creating a deployment.
 type CreateDeploymentResponse struct{}
diff --git a/cmd/api/app/types/api/v1/namespace.go b/cmd/api/app/types/api/v1/namespace.go
index 6bd0c98a..557b82b9 100644
--- a/cmd/api/app/types/api/v1/namespace.go
+++ b/cmd/api/app/types/api/v1/namespace.go
@@ -16,8 +16,11 @@ limitations under the License.
 
 package v1
 
+// CreateNamesapceRequest is the request body for creating a namespace.
 type CreateNamesapceRequest struct {
 	Name                string `json:"name" required:"true"`
 	SkipAutoPropagation bool   `json:"skipAutoPropagation"`
 }
+
+// CreateNamesapceResponse is the response body for creating a namespace.
 type CreateNamesapceResponse struct{}
diff --git a/cmd/api/app/types/api/v1/overridepolicy.go b/cmd/api/app/types/api/v1/overridepolicy.go
index 39753bbd..b1a86cf4 100644
--- a/cmd/api/app/types/api/v1/overridepolicy.go
+++ b/cmd/api/app/types/api/v1/overridepolicy.go
@@ -16,15 +16,18 @@ limitations under the License.
 
 package v1
 
+// PostOverridePolicyRequest is the request body for creating an override policy.
 type PostOverridePolicyRequest struct {
 	OverrideData   string `json:"overrideData" binding:"required"`
 	IsClusterScope bool   `json:"isClusterScope"`
 	Namespace      string `json:"namespace"`
 }
 
+// PostOverridePolicyResponse is the response body for creating an override policy.
 type PostOverridePolicyResponse struct {
 }
 
+// PutOverridePolicyRequest is the request body for updating an override policy.
 type PutOverridePolicyRequest struct {
 	OverrideData   string `json:"overrideData" binding:"required"`
 	IsClusterScope bool   `json:"isClusterScope"`
@@ -32,14 +35,17 @@ type PutOverridePolicyRequest struct {
 	Name           string `json:"name" binding:"required"`
 }
 
+// PutOverridePolicyResponse is the response body for updating an override policy.
 type PutOverridePolicyResponse struct {
 }
 
+// DeleteOverridePolicyRequest is the request body for deleting an override policy.
 type DeleteOverridePolicyRequest struct {
 	IsClusterScope bool   `json:"isClusterScope"`
 	Namespace      string `json:"namespace"`
 	Name           string `json:"name" binding:"required"`
 }
 
+// DeleteOverridePolicyResponse is the response body for deleting an override policy.
 type DeleteOverridePolicyResponse struct {
 }
diff --git a/cmd/api/app/types/api/v1/overview.go b/cmd/api/app/types/api/v1/overview.go
index 4b481940..84466555 100644
--- a/cmd/api/app/types/api/v1/overview.go
+++ b/cmd/api/app/types/api/v1/overview.go
@@ -21,35 +21,45 @@ import (
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 )
 
+// OverviewResponse represents the response structure for the overview API.
 type OverviewResponse struct {
 	KarmadaInfo           *KarmadaInfo           `json:"karmadaInfo"`
 	MemberClusterStatus   *MemberClusterStatus   `json:"memberClusterStatus"`
 	ClusterResourceStatus *ClusterResourceStatus `json:"clusterResourceStatus"`
 }
 
+// KarmadaInfo contains information about the Karmada system.
 type KarmadaInfo struct {
 	Version    *version.Info `json:"version"`
 	Status     string        `json:"status"`
 	CreateTime metav1.Time   `json:"createTime"`
 }
 
+// NodeSummary provides a summary of node statistics.
 type NodeSummary struct {
 	TotalNum int32 `json:"totalNum"`
 	ReadyNum int32 `json:"readyNum"`
 }
+
+// CPUSummary provides a summary of CPU resource usage.
 type CPUSummary struct {
 	TotalCPU     int64   `json:"totalCPU"`
 	AllocatedCPU float64 `json:"allocatedCPU"`
 }
+
+// MemorySummary provides a summary of memory resource usage.
 type MemorySummary struct {
 	TotalMemory     int64   `json:"totalMemory"` // Kib => 8 * KiB
 	AllocatedMemory float64 `json:"allocatedMemory"`
 }
+
+// PodSummary provides a summary of pod statistics.
 type PodSummary struct {
 	TotalPod     int64 `json:"totalPod"`
 	AllocatedPod int64 `json:"allocatedPod"`
 }
 
+// MemberClusterStatus represents the status of member clusters.
 type MemberClusterStatus struct {
 	NodeSummary   *NodeSummary   `json:"nodeSummary"`
 	CPUSummary    *CPUSummary    `json:"cpuSummary"`
@@ -57,6 +67,7 @@ type MemberClusterStatus struct {
 	PodSummary    *PodSummary    `json:"podSummary"`
 }
 
+// ClusterResourceStatus represents the status of various resources in the cluster.
 type ClusterResourceStatus struct {
 	PropagationPolicyNum int `json:"propagationPolicyNum"`
 	OverridePolicyNum    int `json:"overridePolicyNum"`
diff --git a/cmd/api/app/types/api/v1/propagationpolicy.go b/cmd/api/app/types/api/v1/propagationpolicy.go
index 55a43ca4..df95f52e 100644
--- a/cmd/api/app/types/api/v1/propagationpolicy.go
+++ b/cmd/api/app/types/api/v1/propagationpolicy.go
@@ -16,6 +16,7 @@ limitations under the License.
 
 package v1
 
+// PostPropagationPolicyRequest defines the request structure for creating a propagation policy.
 // todo this is only a simple version of pp request, just for POC
 type PostPropagationPolicyRequest struct {
 	PropagationData string `json:"propagationData" binding:"required"`
@@ -23,9 +24,11 @@ type PostPropagationPolicyRequest struct {
 	Namespace       string `json:"namespace"`
 }
 
+// PostPropagationPolicyResponse defines the response structure for creating a propagation policy.
 type PostPropagationPolicyResponse struct {
 }
 
+// PutPropagationPolicyRequest defines the request structure for updating a propagation policy.
 type PutPropagationPolicyRequest struct {
 	PropagationData string `json:"propagationData" binding:"required"`
 	IsClusterScope  bool   `json:"isClusterScope"`
@@ -33,14 +36,17 @@ type PutPropagationPolicyRequest struct {
 	Name            string `json:"name" binding:"required"`
 }
 
+// PutPropagationPolicyResponse defines the response structure for updating a propagation policy.
 type PutPropagationPolicyResponse struct {
 }
 
+// DeletePropagationPolicyRequest defines the request structure for deleting a propagation policy.
 type DeletePropagationPolicyRequest struct {
 	IsClusterScope bool   `json:"isClusterScope"`
 	Namespace      string `json:"namespace"`
 	Name           string `json:"name" binding:"required"`
 }
 
+// DeletePropagationPolicyResponse defines the response structure for deleting a propagation policy.
 type DeletePropagationPolicyResponse struct {
 }
diff --git a/cmd/metrics-scraper/app/db/consts.go b/cmd/metrics-scraper/app/db/consts.go
index 0109d956..4acb6d09 100644
--- a/cmd/metrics-scraper/app/db/consts.go
+++ b/cmd/metrics-scraper/app/db/consts.go
@@ -17,11 +17,18 @@ limitations under the License.
 package db
 
 const (
+	// Namespace is the namespace of karmada.
 	Namespace                 = "karmada-system"
+	// KarmadaAgent is the name of karmada agent.
 	KarmadaAgent              = "karmada-agent"
+	// KarmadaScheduler is the name of karmada scheduler.
 	KarmadaScheduler          = "karmada-scheduler"
+	// KarmadaSchedulerEstimator is the name of karmada scheduler estimator.
 	KarmadaSchedulerEstimator = "karmada-scheduler-estimator"
+	// KarmadaControllerManager is the name of karmada controller manager.
 	KarmadaControllerManager  = "karmada-controller-manager"
+	// SchedulerPort is the port of karmada scheduler.
 	SchedulerPort             = "10351"
+	// ControllerManagerPort is the port of karmada controller manager.
 	ControllerManagerPort     = "8080"
 )
diff --git a/cmd/metrics-scraper/app/db/models.go b/cmd/metrics-scraper/app/db/models.go
index 43424b5c..9d70fc17 100644
--- a/cmd/metrics-scraper/app/db/models.go
+++ b/cmd/metrics-scraper/app/db/models.go
@@ -16,10 +16,12 @@ limitations under the License.
 
 package db
 
+// PodInfo is the pod info.
 type PodInfo struct {
 	Name string `json:"name"`
 }
 
+// Metric is the metric info.
 type Metric struct {
 	Name   string        `json:"name"`
 	Help   string        `json:"help"`
@@ -27,12 +29,14 @@ type Metric struct {
 	Values []MetricValue `json:"values,omitempty"`
 }
 
+// MetricValue is the metric value info.
 type MetricValue struct {
 	Labels  map[string]string `json:"labels,omitempty"`
 	Value   string            `json:"value"`
 	Measure string            `json:"measure"`
 }
 
+// ParsedData is the parsed data info.
 type ParsedData struct {
 	CurrentTime string             `json:"currentTime"`
 	Metrics     map[string]*Metric `json:"metrics"`
diff --git a/pkg/client/client.go b/pkg/client/client.go
index ffdb0357..6617040d 100644
--- a/pkg/client/client.go
+++ b/pkg/client/client.go
@@ -84,6 +84,7 @@ func LoadApiConfig(kubeconfig string, currentContext string) (*clientcmdapi.Conf
 	return apiConfig, nil
 }
 
+// LoadeRestConfigFromKubeConfig creates a rest.Config from a kubeconfig string.
 func LoadeRestConfigFromKubeConfig(kubeconfig string) (*rest.Config, error) {
 	apiConfig, err := clientcmd.Load([]byte(kubeconfig))
 	if err != nil {
@@ -97,6 +98,7 @@ func LoadeRestConfigFromKubeConfig(kubeconfig string) (*rest.Config, error) {
 	return restConfig, nil
 }
 
+// KubeClientSetFromKubeConfig creates a Kubernetes clientset from a kubeconfig string.
 func KubeClientSetFromKubeConfig(kubeconfig string) (*kubeclient.Clientset, error) {
 	restConfig, err := LoadeRestConfigFromKubeConfig(kubeconfig)
 	if err != nil {
@@ -106,6 +108,7 @@ func KubeClientSetFromKubeConfig(kubeconfig string) (*kubeclient.Clientset, erro
 	return kubeClient, nil
 }
 
+// GetKarmadaClientFromRequest creates a Karmada clientset from an HTTP request.
 func GetKarmadaClientFromRequest(request *http.Request) (karmadaclientset.Interface, error) {
 	if !isKarmadaInitialized() {
 		return nil, fmt.Errorf("client package not initialized")
diff --git a/pkg/client/init.go b/pkg/client/init.go
index 4b915cca..45acb634 100644
--- a/pkg/client/init.go
+++ b/pkg/client/init.go
@@ -51,26 +51,31 @@ type configBuilder struct {
 	userAgent      string
 }
 
+// Option is a function that configures a configBuilder.
 type Option func(*configBuilder)
 
+// WithUserAgent is an option to set the user agent.
 func WithUserAgent(agent string) Option {
 	return func(c *configBuilder) {
 		c.userAgent = agent
 	}
 }
 
+// WithKubeconfig is an option to set the kubeconfig path.
 func WithKubeconfig(path string) Option {
 	return func(c *configBuilder) {
 		c.kubeconfigPath = path
 	}
 }
 
+// WithKubeContext is an option to set the kubeconfig context.
 func WithKubeContext(kubecontext string) Option {
 	return func(c *configBuilder) {
 		c.kubeContext = kubecontext
 	}
 }
 
+// WithInsecureTLSSkipVerify is an option to set the insecure tls skip verify.
 func WithInsecureTLSSkipVerify(insecure bool) Option {
 	return func(c *configBuilder) {
 		c.insecure = insecure
@@ -127,6 +132,7 @@ func isKubeInitialized() bool {
 	return true
 }
 
+// InitKubeConfig initializes the kubernetes client config.
 func InitKubeConfig(options ...Option) {
 	builder := newConfigBuilder(options...)
 	// prefer InClusterConfig, if something wrong, use explict kubeconfig path
@@ -158,6 +164,7 @@ func InitKubeConfig(options ...Option) {
 
 }
 
+// InClusterClient returns a kubernetes client.
 func InClusterClient() kubeclient.Interface {
 	if !isKubeInitialized() {
 		return nil
@@ -178,6 +185,7 @@ func InClusterClient() kubeclient.Interface {
 	return inClusterClient
 }
 
+// GetKubeConfig returns the kubernetes client config.
 func GetKubeConfig() (*rest.Config, *clientcmdapi.Config, error) {
 	if !isKubeInitialized() {
 		return nil, nil, fmt.Errorf("client package not initialized")
@@ -193,6 +201,7 @@ func isKarmadaInitialized() bool {
 	return true
 }
 
+// InitKarmadaConfig initializes the karmada client config.
 func InitKarmadaConfig(options ...Option) {
 	builder := newConfigBuilder(options...)
 	restConfig, err := builder.buildRestConfig()
@@ -217,6 +226,7 @@ func InitKarmadaConfig(options ...Option) {
 	karmadaMemberConfig = memberConfig
 }
 
+// InClusterKarmadaClient returns a karmada client.
 func InClusterKarmadaClient() karmadaclientset.Interface {
 	if !isKarmadaInitialized() {
 		return nil
@@ -235,6 +245,7 @@ func InClusterKarmadaClient() karmadaclientset.Interface {
 	return inClusterKarmadaClient
 }
 
+// GetKarmadaConfig returns the karmada client config.
 func GetKarmadaConfig() (*rest.Config, *clientcmdapi.Config, error) {
 	if !isKarmadaInitialized() {
 		return nil, nil, fmt.Errorf("client package not initialized")
@@ -242,6 +253,7 @@ func GetKarmadaConfig() (*rest.Config, *clientcmdapi.Config, error) {
 	return karmadaRestConfig, karmadaApiConfig, nil
 }
 
+// GetMemberConfig returns the member client config.
 func GetMemberConfig() (*rest.Config, error) {
 	if !isKarmadaInitialized() {
 		return nil, fmt.Errorf("client package not initialized")
@@ -249,6 +261,7 @@ func GetMemberConfig() (*rest.Config, error) {
 	return karmadaMemberConfig, nil
 }
 
+// InClusterClientForKarmadaApiServer returns a kubernetes client for karmada apiserver.
 func InClusterClientForKarmadaApiServer() kubeclient.Interface {
 	if !isKarmadaInitialized() {
 		return nil
@@ -270,6 +283,7 @@ func InClusterClientForKarmadaApiServer() kubeclient.Interface {
 	return inClusterClientForKarmadaApiServer
 }
 
+// InClusterClientForMemberCluster returns a kubernetes client for member apiserver.
 func InClusterClientForMemberCluster(clusterName string) kubeclient.Interface {
 	if !isKarmadaInitialized() {
 		return nil
@@ -307,6 +321,7 @@ func InClusterClientForMemberCluster(clusterName string) kubeclient.Interface {
 	return inClusterClientForMemberApiServer
 }
 
+// ConvertRestConfigToAPIConfig converts a rest.Config to a clientcmdapi.Config.
 func ConvertRestConfigToAPIConfig(restConfig *rest.Config) *clientcmdapi.Config {
 	// 将 rest.Config 转换为 clientcmdapi.Config
 	clientcmdConfig := clientcmdapi.NewConfig()
diff --git a/pkg/config/config.go b/pkg/config/config.go
index 8338c5a6..10648384 100644
--- a/pkg/config/config.go
+++ b/pkg/config/config.go
@@ -46,6 +46,7 @@ var (
 	}
 )
 
+// GetConfigKey returns the configuration key based on the environment name.
 func GetConfigKey() string {
 	envName := os.Getenv("ENV_NAME")
 	if envName == "" {
@@ -54,6 +55,7 @@ func GetConfigKey() string {
 	return fmt.Sprintf("%s.yaml", envName)
 }
 
+// InitDashboardConfig initializes the dashboard configuration using a Kubernetes client.
 func InitDashboardConfig(k8sClient kubernetes.Interface, stopper <-chan struct{}) {
 	factory := informers.NewSharedInformerFactory(k8sClient, 0)
 	resource, err := factory.ForResource(configmapGVR)
@@ -97,6 +99,7 @@ func InitDashboardConfig(k8sClient kubernetes.Interface, stopper <-chan struct{}
 	klog.Infof("ConfigMap informer started, waiting for ConfigMap events...")
 }
 
+// GetDashboardConfig returns a copy of the current dashboard configuration.
 func GetDashboardConfig() DashboardConfig {
 	return DashboardConfig{
 		DockerRegistries: dashboardConfig.DockerRegistries,
@@ -106,6 +109,7 @@ func GetDashboardConfig() DashboardConfig {
 	}
 }
 
+// UpdateDashboardConfig updates the dashboard configuration in the Kubernetes ConfigMap.
 func UpdateDashboardConfig(k8sClient kubernetes.Interface, newDashboardConfig DashboardConfig) error {
 	ctx := context.TODO()
 	oldConfigMap, err := k8sClient.CoreV1().ConfigMaps(configNamespace).Get(ctx, configName, metav1.GetOptions{})
@@ -128,6 +132,7 @@ func UpdateDashboardConfig(k8sClient kubernetes.Interface, newDashboardConfig Da
 	return nil
 }
 
+// InitDashboardConfigFromMountFile initializes the dashboard configuration from a mounted file.
 func InitDashboardConfigFromMountFile(mountPath string) error {
 	_, err := os.Stat(mountPath)
 	if os.IsNotExist(err) {
diff --git a/pkg/config/model.go b/pkg/config/model.go
index ebbba5c7..a8411f41 100644
--- a/pkg/config/model.go
+++ b/pkg/config/model.go
@@ -39,6 +39,7 @@ type MenuConfig struct {
 	Children   []MenuConfig `yaml:"children" json:"children,omitempty"`
 }
 
+// DashboardConfig represents the configuration structure for the Karmada dashboard.
 type DashboardConfig struct {
 	DockerRegistries []DockerRegistry `yaml:"docker_registries" json:"docker_registries"`
 	ChartRegistries  []ChartRegistry  `yaml:"chart_registries" json:"chart_registries"`
diff --git a/pkg/dataselect/dataselectquery.go b/pkg/dataselect/dataselectquery.go
index f7552bf0..23a11588 100644
--- a/pkg/dataselect/dataselectquery.go
+++ b/pkg/dataselect/dataselectquery.go
@@ -18,38 +18,54 @@ package dataselect
 // Can be extended to include any kind of selection - for example filtering.
 // Currently included only Pagination and Sort options.
 type DataSelectQuery struct {
+	// PaginationQuery holds options for pagination of data select.
 	PaginationQuery *PaginationQuery
+	// SortQuery holds options for sort functionality of data select.
 	SortQuery       *SortQuery
+	// FilterQuery holds options for filter functionality of data select.
 	FilterQuery     *FilterQuery
 	//MetricQuery     *MetricQuery
 }
 
 // SortQuery holds options for sort functionality of data select.
 type SortQuery struct {
+	// SortByList is a list of sort criteria for data selection.
 	SortByList []SortBy
 }
 
 // SortBy holds the name of the property that should be sorted and whether order should be ascending or descending.
 type SortBy struct {
+	// Property is the name of the field or attribute to sort by.
 	Property  PropertyName
+	// Ascending determines the sort order
 	Ascending bool
 }
 
 // NoSort is as option for no sort.
 var NoSort = &SortQuery{
+	// SortByList is a list of sort criteria for data selection.
 	SortByList: []SortBy{},
 }
 
+// FilterQuery holds options for filter functionality of data select.
 type FilterQuery struct {
+	// FilterByList is a list of filter criteria for data selection.
 	FilterByList []FilterBy
 }
 
+// FilterBy defines a filter criterion for data selection.
+// It specifies a property to filter on and the value to compare against.
 type FilterBy struct {
+	// Property is the name of the field or attribute to filter by.
 	Property PropertyName
-	Value    ComparableValue
+
+	// Value is the comparable value to match against the specified property.
+	Value ComparableValue
 }
 
+// NoFilter is an option for no filter.
 var NoFilter = &FilterQuery{
+	// FilterByList is a list of filter criteria for data selection.
 	FilterByList: []FilterBy{},
 }
 
diff --git a/pkg/dataselect/stdcomparabletypes.go b/pkg/dataselect/stdcomparabletypes.go
index 94761254..307c31f9 100644
--- a/pkg/dataselect/stdcomparabletypes.go
+++ b/pkg/dataselect/stdcomparabletypes.go
@@ -25,24 +25,30 @@ import (
 // You can convert basic types to these types to support auto sorting etc.
 // If you cant find your type compare here you will have to implement it yourself :)
 
+// StdComparableInt is a wrapper for int that implements ComparableValueInterface
 type StdComparableInt int
 
+// Compare compares two ints.
 func (self StdComparableInt) Compare(otherV ComparableValue) int {
 	other := otherV.(StdComparableInt)
 	return intsCompare(int(self), int(other))
 }
 
+// Contains checks if other is contained in self.
 func (self StdComparableInt) Contains(otherV ComparableValue) bool {
 	return self.Compare(otherV) == 0
 }
 
+// StdComparableString is a wrapper for string that implements ComparableValueInterface
 type StdComparableString string
 
+// Compare compares two strings.
 func (self StdComparableString) Compare(otherV ComparableValue) int {
 	other := otherV.(StdComparableString)
 	return strings.Compare(string(self), string(other))
 }
 
+// Contains checks if other is contained in self.
 func (self StdComparableString) Contains(otherV ComparableValue) bool {
 	other := otherV.(StdComparableString)
 	return strings.Contains(string(self), string(other))
@@ -51,6 +57,7 @@ func (self StdComparableString) Contains(otherV ComparableValue) bool {
 // StdComparableRFC3339Timestamp takes RFC3339 Timestamp strings and compares them as TIMES. In case of time parsing error compares values as strings.
 type StdComparableRFC3339Timestamp string
 
+// Compare compares two RFC3339 Timestamp strings. In case of time parsing error compares values as strings.
 func (self StdComparableRFC3339Timestamp) Compare(otherV ComparableValue) int {
 	other := otherV.(StdComparableRFC3339Timestamp)
 	// try to compare as timestamp (earlier = smaller)
@@ -64,17 +71,21 @@ func (self StdComparableRFC3339Timestamp) Compare(otherV ComparableValue) int {
 	return ints64Compare(selfTime.Unix(), otherTime.Unix())
 }
 
+// Contains checks if other is contained in self.
 func (self StdComparableRFC3339Timestamp) Contains(otherV ComparableValue) bool {
 	return self.Compare(otherV) == 0
 }
 
+// StdComparableTime takes time.Time and compares them as TIMES.
 type StdComparableTime time.Time
 
+// Compare compares two time.Time.
 func (self StdComparableTime) Compare(otherV ComparableValue) int {
 	other := otherV.(StdComparableTime)
 	return ints64Compare(time.Time(self).Unix(), time.Time(other).Unix())
 }
 
+// Contains checks if other is contained in self.
 func (self StdComparableTime) Contains(otherV ComparableValue) bool {
 	return self.Compare(otherV) == 0
 }
diff --git a/pkg/environment/version.go b/pkg/environment/version.go
index aeb41619..a0a4264b 100644
--- a/pkg/environment/version.go
+++ b/pkg/environment/version.go
@@ -33,10 +33,12 @@ var (
 	buildDate    = "unknown" // build date in ISO8601 format, output of $(date -u +'%Y-%m-%dT%H:%M:%SZ')
 )
 
+// IsDev returns true if the version is dev.
 func IsDev() bool {
 	return Version == dev
 }
 
+// UserAgent returns the user agent of this binary.
 func UserAgent() string {
 	return fmt.Sprintf("%s:%s", userAgent, Version)
 }
diff --git a/pkg/resource/cluster/cluster.go b/pkg/resource/cluster/cluster.go
index d7d0f8dc..b6ab1c43 100644
--- a/pkg/resource/cluster/cluster.go
+++ b/pkg/resource/cluster/cluster.go
@@ -28,6 +28,7 @@ import (
 	"log"
 )
 
+// Cluster the definition of a cluster.
 type Cluster struct {
 	ObjectMeta         types.ObjectMeta          `json:"objectMeta"`
 	TypeMeta           types.TypeMeta            `json:"typeMeta"`
diff --git a/pkg/resource/cluster/common.go b/pkg/resource/cluster/common.go
index 5b391da3..0696d9ef 100644
--- a/pkg/resource/cluster/common.go
+++ b/pkg/resource/cluster/common.go
@@ -21,8 +21,10 @@ import (
 	"github.com/karmada-io/karmada/pkg/apis/cluster/v1alpha1"
 )
 
+// ClusterCell is a cell representation of Cluster object.
 type ClusterCell v1alpha1.Cluster
 
+// GetProperty returns value of a given property.
 func (self ClusterCell) GetProperty(name dataselect.PropertyName) dataselect.ComparableValue {
 	switch name {
 	case dataselect.NameProperty:
diff --git a/pkg/resource/cluster/detail.go b/pkg/resource/cluster/detail.go
index 0a21149a..c518edb3 100644
--- a/pkg/resource/cluster/detail.go
+++ b/pkg/resource/cluster/detail.go
@@ -27,6 +27,7 @@ import (
 	"log"
 )
 
+// ClusterAllocatedResources is the resource summary of a cluster.
 type ClusterAllocatedResources struct {
 	// CPUCapacity is specified node CPU capacity in milicores.
 	CPUCapacity int64   `json:"cpuCapacity"`
@@ -87,6 +88,7 @@ func getclusterAllocatedResources(cluster *v1alpha1.Cluster) (ClusterAllocatedRe
 	}, nil
 }
 
+// ClusterDetail is the detailed information of a cluster.
 type ClusterDetail struct {
 	Cluster `json:",inline"`
 	Taints  []corev1.Taint `json:"taints,omitempty"`
diff --git a/pkg/resource/clusterpropagationpolicy/list.go b/pkg/resource/clusterpropagationpolicy/list.go
index d41b2eb1..71a33fb9 100644
--- a/pkg/resource/clusterpropagationpolicy/list.go
+++ b/pkg/resource/clusterpropagationpolicy/list.go
@@ -18,12 +18,14 @@ package clusterpropagationpolicy
 
 import (
 	"context"
+
+	"github.com/karmada-io/karmada/pkg/apis/policy/v1alpha1"
+	karmadaclientset "github.com/karmada-io/karmada/pkg/generated/clientset/versioned"
+
 	"github.com/karmada-io/dashboard/pkg/common/errors"
 	"github.com/karmada-io/dashboard/pkg/common/helpers"
 	"github.com/karmada-io/dashboard/pkg/common/types"
 	"github.com/karmada-io/dashboard/pkg/dataselect"
-	"github.com/karmada-io/karmada/pkg/apis/policy/v1alpha1"
-	karmadaclientset "github.com/karmada-io/karmada/pkg/generated/clientset/versioned"
 )
 
 // ClusterPropagationPolicyList contains a list of propagation in the karmada control-plane.
@@ -37,6 +39,7 @@ type ClusterPropagationPolicyList struct {
 	Errors []error `json:"errors"`
 }
 
+// ClusterPropagationPolicy represents a cluster propagation policy.
 type ClusterPropagationPolicy struct {
 	ObjectMeta        types.ObjectMeta            `json:"objectMeta"`
 	TypeMeta          types.TypeMeta              `json:"typeMeta"`
diff --git a/pkg/resource/cronjob/common.go b/pkg/resource/cronjob/common.go
index 4e386f2c..4ad6e00a 100644
--- a/pkg/resource/cronjob/common.go
+++ b/pkg/resource/cronjob/common.go
@@ -24,8 +24,10 @@ import (
 
 // The code below allows to perform complex data section on []batch.CronJob
 
+// CronJobCell is a type containing CronJob data
 type CronJobCell batch.CronJob
 
+// GetProperty returns specific property of CronJobCell
 func (self CronJobCell) GetProperty(name dataselect.PropertyName) dataselect.ComparableValue {
 	switch name {
 	case dataselect.NameProperty:
@@ -40,6 +42,7 @@ func (self CronJobCell) GetProperty(name dataselect.PropertyName) dataselect.Com
 	}
 }
 
+// ToCells converts []batch.CronJob to []CronJobCell
 func ToCells(std []batch.CronJob) []dataselect.DataCell {
 	cells := make([]dataselect.DataCell, len(std))
 	for i := range std {
@@ -48,6 +51,7 @@ func ToCells(std []batch.CronJob) []dataselect.DataCell {
 	return cells
 }
 
+// FromCells converts []CronJobCell to []batch.CronJob
 func FromCells(cells []dataselect.DataCell) []batch.CronJob {
 	std := make([]batch.CronJob, len(cells))
 	for i := range std {
diff --git a/pkg/resource/daemonset/common.go b/pkg/resource/daemonset/common.go
index 51000408..496784a6 100644
--- a/pkg/resource/daemonset/common.go
+++ b/pkg/resource/daemonset/common.go
@@ -64,8 +64,10 @@ func GetServicesForDSDeletion(client client.Interface, labelSelector labels.Sele
 
 // The code below allows to perform complex data section on Daemon Set
 
+// DaemonSetCell is a type alias for the DaemonSet type from the apps/v1 API.
 type DaemonSetCell apps.DaemonSet
 
+// GetProperty returns a comparable value for a specified property name.
 func (self DaemonSetCell) GetProperty(name dataselect.PropertyName) dataselect.ComparableValue {
 	switch name {
 	case dataselect.NameProperty:
@@ -80,6 +82,7 @@ func (self DaemonSetCell) GetProperty(name dataselect.PropertyName) dataselect.C
 	}
 }
 
+// ToCells converts a slice of DaemonSets to a slice of DataCells.
 func ToCells(std []apps.DaemonSet) []dataselect.DataCell {
 	cells := make([]dataselect.DataCell, len(std))
 	for i := range std {
@@ -88,6 +91,7 @@ func ToCells(std []apps.DaemonSet) []dataselect.DataCell {
 	return cells
 }
 
+// FromCells converts a slice of DataCells to a slice of DaemonSets.
 func FromCells(cells []dataselect.DataCell) []apps.DaemonSet {
 	std := make([]apps.DaemonSet, len(cells))
 	for i := range std {
diff --git a/pkg/resource/job/common.go b/pkg/resource/job/common.go
index b69d2c85..16537957 100644
--- a/pkg/resource/job/common.go
+++ b/pkg/resource/job/common.go
@@ -25,8 +25,10 @@ import (
 
 // The code below allows to perform complex data section on []batch.Job
 
+// JobCell represents a job cell that implements the DataCell interface.
 type JobCell batch.Job
 
+// GetProperty returns a comparable value for a specified property name.
 func (self JobCell) GetProperty(name dataselect.PropertyName) dataselect.ComparableValue {
 	switch name {
 	case dataselect.NameProperty:
@@ -41,6 +43,7 @@ func (self JobCell) GetProperty(name dataselect.PropertyName) dataselect.Compara
 	}
 }
 
+// ToCells converts a slice of Jobs to a slice of DataCells.
 func ToCells(std []batch.Job) []dataselect.DataCell {
 	cells := make([]dataselect.DataCell, len(std))
 	for i := range std {
@@ -49,6 +52,7 @@ func ToCells(std []batch.Job) []dataselect.DataCell {
 	return cells
 }
 
+// FromCells converts a slice of DataCells to a slice of Jobs.
 func FromCells(cells []dataselect.DataCell) []batch.Job {
 	std := make([]batch.Job, len(cells))
 	for i := range std {
diff --git a/pkg/resource/namespace/common.go b/pkg/resource/namespace/common.go
index 151e3394..58043273 100644
--- a/pkg/resource/namespace/common.go
+++ b/pkg/resource/namespace/common.go
@@ -58,8 +58,10 @@ func CreateNamespace(spec *NamespaceSpec, client kubernetes.Interface) error {
 
 // The code below allows to perform complex data section on []api.Namespace
 
+// NamespaceCell is a cell representation of Namespace object.
 type NamespaceCell api.Namespace
 
+// GetProperty returns specific property of NamespaceCell.
 func (self NamespaceCell) GetProperty(name dataselect.PropertyName) dataselect.ComparableValue {
 	switch name {
 	case dataselect.NameProperty:
diff --git a/pkg/resource/node/list.go b/pkg/resource/node/list.go
index 7e990934..4bcb91d1 100644
--- a/pkg/resource/node/list.go
+++ b/pkg/resource/node/list.go
@@ -29,6 +29,7 @@ import (
 	"k8s.io/client-go/kubernetes"
 )
 
+// Node represents a Kubernetes node with additional metadata.
 type Node struct {
 	ObjectMeta  types.ObjectMeta      `json:"objectMeta"`
 	TypeMeta    types.TypeMeta        `json:"typeMeta"`
@@ -97,6 +98,7 @@ func toNodeList(nodes []v1.Node, nonCriticalErrors []error, dsQuery *dataselect.
 	return result
 }
 
+// NewStatus returns a new status object.
 func NewStatus(status v1.NodeStatus) v1.NodeStatus {
 	return v1.NodeStatus{
 		Capacity:        status.Capacity,
diff --git a/pkg/resource/overridepolicy/common.go b/pkg/resource/overridepolicy/common.go
index 11336404..9bf4f64f 100644
--- a/pkg/resource/overridepolicy/common.go
+++ b/pkg/resource/overridepolicy/common.go
@@ -21,8 +21,10 @@ import (
 	"github.com/karmada-io/karmada/pkg/apis/policy/v1alpha1"
 )
 
+// OverridePolicyCell represents an OverridePolicy that implements the DataCell interface.
 type OverridePolicyCell v1alpha1.OverridePolicy
 
+// GetProperty returns a comparable value for a specified property name.
 func (self OverridePolicyCell) GetProperty(name dataselect.PropertyName) dataselect.ComparableValue {
 	switch name {
 	case dataselect.NameProperty:
diff --git a/pkg/resource/propagationpolicy/common.go b/pkg/resource/propagationpolicy/common.go
index 8cbfd5f6..2a06eb63 100644
--- a/pkg/resource/propagationpolicy/common.go
+++ b/pkg/resource/propagationpolicy/common.go
@@ -21,8 +21,10 @@ import (
 	"github.com/karmada-io/karmada/pkg/apis/policy/v1alpha1"
 )
 
+// PropagationPolicyCell is a wrapper around PropagationPolicy type
 type PropagationPolicyCell v1alpha1.PropagationPolicy
 
+// GetProperty returns the given property of the PropagationPolicy.
 func (self PropagationPolicyCell) GetProperty(name dataselect.PropertyName) dataselect.ComparableValue {
 	switch name {
 	case dataselect.NameProperty: