diff --git a/apis/v1alpha1/greptimedbcluster_types.go b/apis/v1alpha1/greptimedbcluster_types.go
index 24b139c7..d0932eaf 100644
--- a/apis/v1alpha1/greptimedbcluster_types.go
+++ b/apis/v1alpha1/greptimedbcluster_types.go
@@ -500,7 +500,7 @@ type GreptimeDBClusterSpec struct {
 	EnableInfluxDBProtocol bool `json:"enableInfluxDBProtocol,omitempty"`
 
 	// +optional
-	PrometheusMonitor *PrometheusMonitor `json:"prometheusMonitor,omitempty"`
+	PrometheusMonitor *PrometheusMonitorSpec `json:"prometheusMonitor,omitempty"`
 
 	// +optional
 	// The version of greptimedb.
@@ -515,31 +515,19 @@ type GreptimeDBClusterSpec struct {
 	// More cluster settings can be added here.
 }
 
-// PrometheusMonitor defines the PodMonitor configuration.
-type PrometheusMonitor struct {
-	// Enable a prometheus PodMonitor
+// PrometheusMonitorSpec defines the PodMonitor configuration.
+type PrometheusMonitorSpec struct {
+	// Enable a Prometheus PodMonitor
 	// +optional
 	Enabled bool `json:"enabled,omitempty"`
 
-	// HTTP path to scrape for metrics.
+	// Prometheus PodMonitor labels.
 	// +optional
-	Path string `json:"path,omitempty"`
-
-	// Name of the pod port this endpoint refers to. Mutually exclusive with targetPort.
-	// +optional
-	Port string `json:"port,omitempty"`
+	Labels map[string]string `json:"labels,omitempty"`
 
 	// Interval at which metrics should be scraped
 	// +optional
 	Interval string `json:"interval,omitempty"`
-
-	// HonorLabels chooses the metrics labels on collisions with target labels.
-	// +optional
-	HonorLabels bool `json:"honorLabels,omitempty"`
-
-	// Prometheus PodMonitor selector.
-	// +optional
-	LabelsSelector map[string]string `json:"labelsSelector,omitempty"`
 }
 
 // GreptimeDBClusterStatus defines the observed state of GreptimeDBCluster
diff --git a/apis/v1alpha1/zz_generated.deepcopy.go b/apis/v1alpha1/zz_generated.deepcopy.go
index 34fe1b7f..9116971f 100644
--- a/apis/v1alpha1/zz_generated.deepcopy.go
+++ b/apis/v1alpha1/zz_generated.deepcopy.go
@@ -219,7 +219,7 @@ func (in *GreptimeDBClusterSpec) DeepCopyInto(out *GreptimeDBClusterSpec) {
 	}
 	if in.PrometheusMonitor != nil {
 		in, out := &in.PrometheusMonitor, &out.PrometheusMonitor
-		*out = new(PrometheusMonitor)
+		*out = new(PrometheusMonitorSpec)
 		(*in).DeepCopyInto(*out)
 	}
 	if in.Initializer != nil {
@@ -450,10 +450,10 @@ func (in *PodTemplateSpec) DeepCopy() *PodTemplateSpec {
 }
 
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
-func (in *PrometheusMonitor) DeepCopyInto(out *PrometheusMonitor) {
+func (in *PrometheusMonitorSpec) DeepCopyInto(out *PrometheusMonitorSpec) {
 	*out = *in
-	if in.LabelsSelector != nil {
-		in, out := &in.LabelsSelector, &out.LabelsSelector
+	if in.Labels != nil {
+		in, out := &in.Labels, &out.Labels
 		*out = make(map[string]string, len(*in))
 		for key, val := range *in {
 			(*out)[key] = val
@@ -461,12 +461,12 @@ func (in *PrometheusMonitor) DeepCopyInto(out *PrometheusMonitor) {
 	}
 }
 
-// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new PrometheusMonitor.
-func (in *PrometheusMonitor) DeepCopy() *PrometheusMonitor {
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new PrometheusMonitorSpec.
+func (in *PrometheusMonitorSpec) DeepCopy() *PrometheusMonitorSpec {
 	if in == nil {
 		return nil
 	}
-	out := new(PrometheusMonitor)
+	out := new(PrometheusMonitorSpec)
 	in.DeepCopyInto(out)
 	return out
 }
diff --git a/config/crd/resources/greptime.io_greptimedbclusters.yaml b/config/crd/resources/greptime.io_greptimedbclusters.yaml
index c165ba8a..c37974b2 100644
--- a/config/crd/resources/greptime.io_greptimedbclusters.yaml
+++ b/config/crd/resources/greptime.io_greptimedbclusters.yaml
@@ -10700,18 +10700,12 @@ spec:
                 properties:
                   enabled:
                     type: boolean
-                  honorLabels:
-                    type: boolean
                   interval:
                     type: string
-                  labelsSelector:
+                  labels:
                     additionalProperties:
                       type: string
                     type: object
-                  path:
-                    type: string
-                  port:
-                    type: string
                 type: object
               prometheusServicePort:
                 format: int32
diff --git a/config/samples/cluster-with-monitor/cluster.yaml b/config/samples/cluster-with-monitor/cluster.yaml
index b55673ee..2b4803ec 100644
--- a/config/samples/cluster-with-monitor/cluster.yaml
+++ b/config/samples/cluster-with-monitor/cluster.yaml
@@ -31,9 +31,6 @@ spec:
     replicas: 3
   prometheusMonitor:
     enabled: true
-    path: "/metrics"
-    port: "http"
-    interval: "20s"
-    honorLabels: true
+    interval: "30s"
     labelsSelector:
       release: prometheus
diff --git a/controllers/greptimedbcluster/deployers/common.go b/controllers/greptimedbcluster/deployers/common.go
index 93b688f5..186f3e49 100644
--- a/controllers/greptimedbcluster/deployers/common.go
+++ b/controllers/greptimedbcluster/deployers/common.go
@@ -183,15 +183,15 @@ func (c *CommonBuilder) GeneratePodMonitor() (*monitoringv1.PodMonitor, error) {
 		ObjectMeta: metav1.ObjectMeta{
 			Name:      ResourceName(c.Cluster.Name, c.ComponentKind),
 			Namespace: c.Cluster.Namespace,
-			Labels:    c.Cluster.Spec.PrometheusMonitor.LabelsSelector,
+			Labels:    c.Cluster.Spec.PrometheusMonitor.Labels,
 		},
 		Spec: monitoringv1.PodMonitorSpec{
 			PodMetricsEndpoints: []monitoringv1.PodMetricsEndpoint{
 				{
-					Path:        c.Cluster.Spec.PrometheusMonitor.Path,
-					Port:        c.Cluster.Spec.PrometheusMonitor.Port,
+					Path:        "/metrics",
+					Port:        "http",
 					Interval:    c.Cluster.Spec.PrometheusMonitor.Interval,
-					HonorLabels: c.Cluster.Spec.PrometheusMonitor.HonorLabels,
+					HonorLabels: true,
 				},
 			},
 			Selector: metav1.LabelSelector{
diff --git a/manifests/greptimedb-operator-crd.yaml b/manifests/greptimedb-operator-crd.yaml
index 5b520902..7c7eccd2 100644
--- a/manifests/greptimedb-operator-crd.yaml
+++ b/manifests/greptimedb-operator-crd.yaml
@@ -10699,18 +10699,12 @@ spec:
                 properties:
                   enabled:
                     type: boolean
-                  honorLabels:
-                    type: boolean
                   interval:
                     type: string
-                  labelsSelector:
+                  labels:
                     additionalProperties:
                       type: string
                     type: object
-                  path:
-                    type: string
-                  port:
-                    type: string
                 type: object
               prometheusServicePort:
                 format: int32
diff --git a/manifests/greptimedb-operator-deployment.yaml b/manifests/greptimedb-operator-deployment.yaml
index 02852d68..f0dd6cd5 100644
--- a/manifests/greptimedb-operator-deployment.yaml
+++ b/manifests/greptimedb-operator-deployment.yaml
@@ -10706,18 +10706,12 @@ spec:
                 properties:
                   enabled:
                     type: boolean
-                  honorLabels:
-                    type: boolean
                   interval:
                     type: string
-                  labelsSelector:
+                  labels:
                     additionalProperties:
                       type: string
                     type: object
-                  path:
-                    type: string
-                  port:
-                    type: string
                 type: object
               prometheusServicePort:
                 format: int32