diff --git a/slb/listeners.go b/slb/listeners.go
index e735d17f..a233206e 100644
--- a/slb/listeners.go
+++ b/slb/listeners.go
@@ -99,6 +99,8 @@ type HTTPListenerType struct {
 	UnhealthyThreshold     int
 	HealthCheckTimeout     int
 	HealthCheckInterval    int
+	ForwardPort            int
+	ListenerForward        FlagType
 	HealthCheckHttpCode    HealthCheckHttpCodeType
 	VServerGroup           FlagType
 	VServerGroupId         string
@@ -107,6 +109,9 @@ type HTTPListenerType struct {
 	XForwardedFor_SLBIP    FlagType
 	XForwardedFor_proto    FlagType
 	Description            string
+	AclId                  string
+	AclStatus              string
+	AclType                string
 }
 type CreateLoadBalancerHTTPListenerArgs HTTPListenerType
 
@@ -162,6 +167,9 @@ type TCPListenerType struct {
 	VServerGroup              FlagType
 	VServerGroupId            string
 	Description               string
+	AclId                     string
+	AclStatus                 string
+	AclType                   string
 }
 
 type CreateLoadBalancerTCPListenerArgs TCPListenerType
@@ -191,6 +199,10 @@ type UDPListenerType struct {
 	VServerGroup              FlagType
 	VServerGroupId            string
 	Description               string
+
+	AclId     string
+	AclStatus string
+	AclType   string
 }
 type CreateLoadBalancerUDPListenerArgs UDPListenerType
 
diff --git a/slb/loadbalancers.go b/slb/loadbalancers.go
index d56ddb52..ca16d6de 100644
--- a/slb/loadbalancers.go
+++ b/slb/loadbalancers.go
@@ -52,6 +52,7 @@ type CreateLoadBalancerArgs struct {
 	SlaveZoneId        string
 	LoadBalancerSpec   LoadBalancerSpecType
 	AddressIPVersion   AddressIPVersionType
+	DeleteProtection   FlagType
 }
 
 type CreateLoadBalancerResponse struct {
@@ -228,6 +229,7 @@ type LoadBalancerType struct {
 	InternetChargeType InternetChargeType
 	CreateTime         string //Why not ISO 6801
 	CreateTimeStamp    util.ISO6801Time
+	DeleteProtection   FlagType
 	ListenerPorts      struct {
 		ListenerPort []int
 	}
@@ -336,3 +338,22 @@ func (client *Client) WaitForLoadBalancerAsyn(loadBalancerId string, status Stat
 	}
 	return nil
 }
+
+type SetLoadBalancerDeleteProtectionArgs struct {
+	LoadBalancerId   string
+	DeleteProtection FlagType
+	RegionId         common.Region
+}
+
+type SetLoadBalancerDeleteProtectionResponse struct {
+	common.Response
+}
+
+// SetLoadBalancerDeleteProtection loadbalancer delete protection
+//
+// You can read doc at https://help.aliyun.com/document_detail/122674.html?spm=a2c4g.11186623.6.720.694f4265hwOdXQ
+func (client *Client) SetLoadBalancerDeleteProtection(args *SetLoadBalancerDeleteProtectionArgs) (err error) {
+	response := &SetLoadBalancerDeleteProtectionResponse{}
+	err = client.Invoke("SetLoadBalancerDeleteProtection", args, response)
+	return err
+}
diff --git a/slb/loadbalancers_test.go b/slb/loadbalancers_test.go
index 431319d4..9da1ff3b 100644
--- a/slb/loadbalancers_test.go
+++ b/slb/loadbalancers_test.go
@@ -137,3 +137,42 @@ func TestClient_DescribeLoadBalancers(t *testing.T) {
 		t.Logf("Result = %++v", slbs)
 	}
 }
+
+func TestClient_SetLoadBalancerDeleteProtection(t *testing.T) {
+	client := NewTestNewSLBClientForDebug()
+
+	creationArgs := CreateLoadBalancerArgs{
+		RegionId:         common.Beijing,
+		LoadBalancerName: "test-slb",
+		LoadBalancerSpec: S2Medium,
+		AddressType:      InternetAddressType,
+		ClientToken:      client.GenerateClientToken(),
+	}
+
+	response, err := client.CreateLoadBalancer(&creationArgs)
+	if err != nil {
+		t.Fatalf("Failed to CreateLoadBalancer: %v", err)
+	}
+
+	t.Logf("CreateLoadBalancer result: %v", *response)
+	lbId := response.LoadBalancerId
+
+	args := &SetLoadBalancerDeleteProtectionArgs{
+		LoadBalancerId:   lbId,
+		DeleteProtection: OnFlag,
+		RegionId:         common.Beijing,
+	}
+
+	err = client.SetLoadBalancerDeleteProtection(args)
+	if err != nil {
+		t.Fatalf("Failed %++v", err)
+	}
+	t.Logf("SetLoadBalancerDeleteProtection result: %v", *response)
+
+	err = client.DeleteLoadBalancer(lbId)
+	if err != nil {
+		t.Logf("DeleteLoadBalancer result: %++v", err)
+	} else {
+		t.Fatalf("Failed to set LoadBalancer delete protection.")
+	}
+}
diff --git a/slb/vserver_group.go b/slb/vserver_group.go
index 258c7c04..c85fb0b3 100644
--- a/slb/vserver_group.go
+++ b/slb/vserver_group.go
@@ -5,10 +5,11 @@ import (
 )
 
 type VBackendServerType struct {
-	ServerId string
-	Weight   int
-	Port     int
-	Type     string
+	ServerId    string
+	Weight      int
+	Port        int
+	Type        string
+	ServerIp    string
 	Description string
 }