diff --git a/.gitignore b/.gitignore
index ab7f1041986..5d93a035d43 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,6 +20,7 @@ kube-ovn.yaml
 !/charts/kube-ovn-v2/crds/kube-ovn-crd.yaml
 !/charts/kube-ovn/templates/kube-ovn-crd.yaml
 kube-ovn-crd.yaml
+yamls/crds
 ovn.yaml
 ovn-ic-controller.yaml
 ovn-ic-server.yaml
diff --git a/hack/update-codegen-crd.sh b/hack/update-codegen-crd.sh
new file mode 100755
index 00000000000..791a211f802
--- /dev/null
+++ b/hack/update-codegen-crd.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+set -eux
+# usage: bash ./hack/update-codegen-crd.sh
+
+# set GOPROXY you like
+export GOPROXY=${GOPROXY:-"https://goproxy.cn"}
+# use controller-gen to generate CRDs
+# ensure controller-gen is installed
+CONTROLLER_TOOLS_VERSION=${CONTROLLER_TOOLS_VERSION:-"v0.17.3"}
+go install sigs.k8s.io/controller-tools/cmd/controller-gen@"${CONTROLLER_TOOLS_VERSION}"
+go mod tidy
+
+# generate CRDs
+controller-gen crd:allowDangerousTypes=true paths=./pkg/apis/kubeovn/v1 output:crd:artifacts:config=./yamls/crds
diff --git a/pkg/apis/kubeovn/v1/ippool.go b/pkg/apis/kubeovn/v1/ippool.go
index 538eff57031..cfd6ab48738 100644
--- a/pkg/apis/kubeovn/v1/ippool.go
+++ b/pkg/apis/kubeovn/v1/ippool.go
@@ -37,14 +37,19 @@ type IPPoolSpec struct {
 }
 
 type IPPoolStatus struct {
+	// TODO:// make Subnet and IP Pool AvailableIPs and UsingIPs type consistent
+	// +kubebuilder:validation:Type=string
 	V4AvailableIPs     internal.BigInt `json:"v4AvailableIPs"`
 	V4AvailableIPRange string          `json:"v4AvailableIPRange"`
-	V4UsingIPs         internal.BigInt `json:"v4UsingIPs"`
-	V4UsingIPRange     string          `json:"v4UsingIPRange"`
+	// +kubebuilder:validation:Type=string
+	V4UsingIPs     internal.BigInt `json:"v4UsingIPs"`
+	V4UsingIPRange string          `json:"v4UsingIPRange"`
+	// +kubebuilder:validation:Type=string
 	V6AvailableIPs     internal.BigInt `json:"v6AvailableIPs"`
 	V6AvailableIPRange string          `json:"v6AvailableIPRange"`
-	V6UsingIPs         internal.BigInt `json:"v6UsingIPs"`
-	V6UsingIPRange     string          `json:"v6UsingIPRange"`
+	// +kubebuilder:validation:Type=string
+	V6UsingIPs     internal.BigInt `json:"v6UsingIPs"`
+	V6UsingIPRange string          `json:"v6UsingIPRange"`
 
 	// Conditions represents the latest state of the object
 	// +optional
diff --git a/pkg/apis/kubeovn/v1/provider-network.go b/pkg/apis/kubeovn/v1/provider-network.go
index 593913892c2..9f96f3087c7 100644
--- a/pkg/apis/kubeovn/v1/provider-network.go
+++ b/pkg/apis/kubeovn/v1/provider-network.go
@@ -42,7 +42,8 @@ type ProviderNetworkSpec struct {
 type ProviderNetworkCondition struct {
 	// Node name
 	Node string `json:"node"`
-	Condition
+
+	Condition `json:"condition"`
 }
 
 type ProviderNetworkStatus struct {
diff --git a/pkg/apis/kubeovn/v1/subnet.go b/pkg/apis/kubeovn/v1/subnet.go
index d0c5176072d..0c2b1d869cf 100644
--- a/pkg/apis/kubeovn/v1/subnet.go
+++ b/pkg/apis/kubeovn/v1/subnet.go
@@ -110,7 +110,8 @@ type NatOutGoingPolicyMatch struct {
 
 type NatOutgoingPolicyRuleStatus struct {
 	RuleID string `json:"ruleID"`
-	NatOutgoingPolicyRule
+
+	NatOutgoingPolicyRule `json:"natOutgoingPolicyRule"`
 }
 type SubnetStatus struct {
 	// Conditions represents the latest state of the object