diff --git a/pkg/compute/models/networks.go b/pkg/compute/models/networks.go
index 1a734fdc41..79bbf3b771 100644
--- a/pkg/compute/models/networks.go
+++ b/pkg/compute/models/networks.go
@@ -333,6 +333,9 @@ func isIpUsed(ipstr string, addrTable map[string]bool, recentUsedAddrTable map[s
 }
 
 func (snet *SNetwork) getFreeIP6(addrTable map[string]bool, recentUsedAddrTable map[string]bool, candidate string) (string, error) {
+	if !snet.IsSupportIPv6() {
+		return "", errors.Wrapf(cloudprovider.ErrNotSupported, "ipv6")
+	}
 	iprange := snet.getIPRange6()
 	// Try candidate first
 	if len(candidate) > 0 {
diff --git a/pkg/mcclient/cloudpods/vpc.go b/pkg/mcclient/cloudpods/vpc.go
index bbb5eca584..bdb380227b 100644
--- a/pkg/mcclient/cloudpods/vpc.go
+++ b/pkg/mcclient/cloudpods/vpc.go
@@ -60,6 +60,10 @@ func (self *SVpc) GetCidrBlock() string {
 	return self.CidrBlock
 }
 
+func (self *SVpc) GetCidrBlock6() string {
+	return self.CidrBlock6
+}
+
 func (self *SVpc) GetIRouteTableById(id string) (cloudprovider.ICloudRouteTable, error) {
 	return nil, cloudprovider.ErrNotImplemented
 }