diff --git a/adapter/internal/operator/controllers/dp/api_controller.go b/adapter/internal/operator/controllers/dp/api_controller.go
index 0ba059254..4408120bc 100644
--- a/adapter/internal/operator/controllers/dp/api_controller.go
+++ b/adapter/internal/operator/controllers/dp/api_controller.go
@@ -1445,7 +1445,7 @@ func (apiReconciler *APIReconciler) getAPIsForAIRatelimitPolicy(ctx context.Cont
 	}
 
 	if aiRatelimitPolicy.Spec.TargetRef.Kind == constants.KindBackend {
-		backend := &dpv1alpha1.Backend{}
+		backend := &dpv1alpha2.Backend{}
 		namespacedName := types.NamespacedName{
 			Name:      string(aiRatelimitPolicy.Spec.TargetRef.Name),
 			Namespace: utils.GetNamespace(aiRatelimitPolicy.Spec.TargetRef.Namespace, aiRatelimitPolicy.GetNamespace()),
diff --git a/common-controller/internal/xds/server.go b/common-controller/internal/xds/server.go
index 457f754d4..ec4ef38a0 100644
--- a/common-controller/internal/xds/server.go
+++ b/common-controller/internal/xds/server.go
@@ -167,11 +167,7 @@ func UpdateRateLimitXDSCacheForCustomPolicies(customRateLimitPolicies dpv1alpha1
 
 // UpdateRateLimitXDSCacheForAIRatelimitPolicies updates the xDS cache of the RateLimiter for AI ratelimit policies.
 func UpdateRateLimitXDSCacheForAIRatelimitPolicies(aiRatelimitPolicySpecs map[apimachiner_types.NamespacedName]*dpv1alpha3.AIRateLimitPolicySpec) {
-	loggers.LoggerAPKOperator.Infof("000000")
-	if len(aiRatelimitPolicySpecs) != 0 {
-		loggers.LoggerAPKOperator.Infof("1111111")
-		rlsPolicyCache.ProcessAIRatelimitPolicySpecsAndUpdateCache(aiRatelimitPolicySpecs)
-	}
+	rlsPolicyCache.ProcessAIRatelimitPolicySpecsAndUpdateCache(aiRatelimitPolicySpecs)
 }
 
 // DeleteAPILevelRateLimitPolicies delete the ratelimit xds cache
diff --git a/common-go-libs/apis/cp/v1alpha2/zz_generated.deepcopy.go b/common-go-libs/apis/cp/v1alpha2/zz_generated.deepcopy.go
index d893c1932..4d3fd79aa 100644
--- a/common-go-libs/apis/cp/v1alpha2/zz_generated.deepcopy.go
+++ b/common-go-libs/apis/cp/v1alpha2/zz_generated.deepcopy.go
@@ -345,6 +345,22 @@ func (in *SubscriptionList) DeepCopyObject() runtime.Object {
 	return nil
 }
 
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *SubscriptionSpec) DeepCopyInto(out *SubscriptionSpec) {
+	*out = *in
+	out.API = in.API
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new SubscriptionSpec.
+func (in *SubscriptionSpec) DeepCopy() *SubscriptionSpec {
+	if in == nil {
+		return nil
+	}
+	out := new(SubscriptionSpec)
+	in.DeepCopyInto(out)
+	return out
+}
+
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
 func (in *SubscriptionStatus) DeepCopyInto(out *SubscriptionStatus) {
 	*out = *in