diff --git a/pkg/models/metering/type.go b/pkg/models/metering/type.go
index 3cb802897..4c784af98 100644
--- a/pkg/models/metering/type.go
+++ b/pkg/models/metering/type.go
@@ -1,12 +1,18 @@
 package metering
 
 type PriceInfo struct {
-	Currency                                 string  `json:"currency" description:"currency"`
-	CpuPerCorePerHour                        float64 `json:"cpu_per_core_per_hour,omitempty" description:"cpu price"`
-	MemPerGigabytesPerHour                   float64 `json:"mem_per_gigabytes_per_hour,omitempty" description:"mem price"`
+	// currency unit, currently support CNY and USD
+	Currency string `json:"currency" description:"currency"`
+	// cpu cost with above currency unit for per core per hour
+	CpuPerCorePerHour float64 `json:"cpu_per_core_per_hour,omitempty" description:"cpu price"`
+	// mem cost with above currency unit for per GB per hour
+	MemPerGigabytesPerHour float64 `json:"mem_per_gigabytes_per_hour,omitempty" description:"mem price"`
+	// ingress network traffic cost with above currency unit for per MB per hour
 	IngressNetworkTrafficPerMegabytesPerHour float64 `json:"ingress_network_traffic_per_megabytes_per_hour,omitempty" description:"ingress price"`
-	EgressNetworkTrafficPerMegabytesPerHour  float64 `json:"egress_network_traffic_per_megabytes_per_hour,omitempty" description:"egress price"`
-	PvcPerGigabytesPerHour                   float64 `json:"pvc_per_gigabytes_per_hour,omitempty" description:"pvc price"`
+	// egress network traffice cost with above currency unit for per MB per hour
+	EgressNetworkTrafficPerMegabytesPerHour float64 `json:"egress_network_traffic_per_megabytes_per_hour,omitempty" description:"egress price"`
+	// pvc cost with above currency unit for per GB per hour
+	PvcPerGigabytesPerHour float64 `json:"pvc_per_gigabytes_per_hour,omitempty" description:"pvc price"`
 }
 
 type PriceResponse struct {
diff --git a/pkg/simple/client/metering/options.go b/pkg/simple/client/metering/options.go
index 0a76926ac..323c3d438 100644
--- a/pkg/simple/client/metering/options.go
+++ b/pkg/simple/client/metering/options.go
@@ -1,12 +1,18 @@
 package metering
 
 type PriceInfo struct {
-	CpuPerCorePerHour                        float64 `json:"cpuPerCorePerHour" yaml:"cpuPerCorePerHour"`
-	MemPerGigabytesPerHour                   float64 `json:"memPerGigabytesPerHour" yaml:"memPerGigabytesPerHour"`
+	// currency unit, currently support CNY and USD
+	CpuPerCorePerHour float64 `json:"cpuPerCorePerHour" yaml:"cpuPerCorePerHour"`
+	// cpu cost with above currency unit for per core per hour
+	MemPerGigabytesPerHour float64 `json:"memPerGigabytesPerHour" yaml:"memPerGigabytesPerHour"`
+	// mem cost with above currency unit for per GB per hour
 	IngressNetworkTrafficPerMegabytesPerHour float64 `json:"ingressNetworkTrafficPerMegabytesPerHour" yaml:"ingressNetworkTrafficPerGiagabytesPerHour"`
-	EgressNetworkTrafficPerMegabytesPerHour  float64 `json:"egressNetworkTrafficPerMegabytesPerHour" yaml:"egressNetworkTrafficPerGigabytesPerHour"`
-	PvcPerGigabytesPerHour                   float64 `json:"pvcPerGigabytesPerHour" yaml:"pvcPerGigabytesPerHour"`
-	CurrencyUnit                             string  `json:"currencyUnit" yaml:"currencyUnit"`
+	// ingress network traffic cost with above currency unit for per MB per hour
+	EgressNetworkTrafficPerMegabytesPerHour float64 `json:"egressNetworkTrafficPerMegabytesPerHour" yaml:"egressNetworkTrafficPerGigabytesPerHour"`
+	// egress network traffice cost with above currency unit for per MB per hour
+	PvcPerGigabytesPerHour float64 `json:"pvcPerGigabytesPerHour" yaml:"pvcPerGigabytesPerHour"`
+	// pvc cost with above currency unit for per GB per hour
+	CurrencyUnit string `json:"currencyUnit" yaml:"currencyUnit"`
 }
 
 type Billing struct {