diff --git a/.changelog/2776.txt b/.changelog/2776.txt
new file mode 100644
index 0000000000..8b78d1d024
--- /dev/null
+++ b/.changelog/2776.txt
@@ -0,0 +1,3 @@
+```release-note:enhancement
+resource/tencentcloud_clb_attachment: support domain and url params
+```
diff --git a/go.mod b/go.mod
index 0a622b6dca..fd1da5da2b 100644
--- a/go.mod
+++ b/go.mod
@@ -43,10 +43,10 @@ require (
 	github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/chdfs v1.0.600
 	github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/ciam v1.0.695
 	github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/ckafka v1.0.748
-	github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/clb v1.0.961
+	github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/clb v1.0.984
 	github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/cloudaudit v1.0.544
 	github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/cls v1.0.970
-	github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common v1.0.978
+	github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common v1.0.984
 	github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/cvm v1.0.960
 	github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/cwp v1.0.762
 	github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/cynosdb v1.0.692
diff --git a/go.sum b/go.sum
index 92d68e89e2..e8eb45796e 100644
--- a/go.sum
+++ b/go.sum
@@ -864,6 +864,8 @@ github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/clb v1.0.960 h1:wiX0lVi
 github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/clb v1.0.960/go.mod h1:ge3NiZB+9eEL6gcnlX2CnyYq3Qvx1AW29aP8d9RiDxE=
 github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/clb v1.0.961 h1:H8oPv420A7TtLsrKQv1VYaHHboI6YmYT/kNbgZXfO1Y=
 github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/clb v1.0.961/go.mod h1:iEXw9vSSrx7vJ2v+ird8vpjRPmF7kqTa2/VypAs8n64=
+github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/clb v1.0.984 h1:uvDvC8ip75yBSUiCOIu4dGv10AKkH7M3qnmOShLZZPQ=
+github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/clb v1.0.984/go.mod h1:mqn4vGnC39CHBaniEgnGQqSoVXBnIH8F+O1F5KXhbec=
 github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/cloudaudit v1.0.544 h1:ApY6rS7I9otgujOdAFy0+Epno1PNVCQmsOoWQxx724Y=
 github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/cloudaudit v1.0.544/go.mod h1:c37rIdL3LrJXYwrfp9c8L4MabTqKIZUe1xvnWhN75oc=
 github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/cls v1.0.860 h1:IU20AhNd0fEbgFzTTGB8cdMkUCrgB0FsLd0puC4QDzU=
@@ -972,6 +974,8 @@ github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common v1.0.971 h1:T5zE
 github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common v1.0.971/go.mod h1:r5r4xbfxSaeR04b166HGsBa/R4U3SueirEUpXGuw+Q0=
 github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common v1.0.978 h1:3piderD6Cl4bt8mnSOROm+My1nHM5jtReECZeAn15oQ=
 github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common v1.0.978/go.mod h1:r5r4xbfxSaeR04b166HGsBa/R4U3SueirEUpXGuw+Q0=
+github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common v1.0.984 h1:QLSx+ibsV68NXKgzofPuo1gxFwYSWk2++rvxZxNjbVo=
+github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common v1.0.984/go.mod h1:r5r4xbfxSaeR04b166HGsBa/R4U3SueirEUpXGuw+Q0=
 github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/csip v1.0.860 h1:F3esKBIT3HW9+7Gt8cVgf8X06VdGIczpgLBUECzSEzU=
 github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/csip v1.0.860/go.mod h1:NZo1WplQcC314kMlCRUoy8NQju2BnolIJj7NAWgsuhY=
 github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/cvm v1.0.624 h1:nEZqsoqt1pEoaP9JjkHQy3/H00suCfzlHW1qOm2nYD8=
diff --git a/tencentcloud/services/clb/resource_tc_alb_server_attachment.go b/tencentcloud/services/clb/resource_tc_alb_server_attachment.go
index e0b3671fbd..bd1704f81d 100644
--- a/tencentcloud/services/clb/resource_tc_alb_server_attachment.go
+++ b/tencentcloud/services/clb/resource_tc_alb_server_attachment.go
@@ -218,7 +218,7 @@ func resourceTencentCloudAlbServerAttachmentDelete(d *schema.ResourceData, meta
 		client: meta.(tccommon.ProviderMeta).GetAPIV3Conn(),
 	}
 	err := resource.Retry(tccommon.WriteRetryTimeout, func() *resource.RetryError {
-		e := clbService.DeleteAttachmentById(ctx, clbId, listenerId, locationId, d.Get("backends").(*schema.Set).List())
+		e := clbService.DeleteAttachmentById(ctx, clbId, listenerId, locationId, d.Get("backends").(*schema.Set).List(), "", "")
 		if e != nil {
 			return tccommon.RetryError(e)
 		}
diff --git a/tencentcloud/services/clb/resource_tc_clb_attachment.go b/tencentcloud/services/clb/resource_tc_clb_attachment.go
index a5edc3b685..354256c3ad 100644
--- a/tencentcloud/services/clb/resource_tc_clb_attachment.go
+++ b/tencentcloud/services/clb/resource_tc_clb_attachment.go
@@ -22,8 +22,8 @@ func ResourceTencentCloudClbServerAttachment() *schema.Resource {
 	return &schema.Resource{
 		Create: resourceTencentCloudClbServerAttachmentCreate,
 		Read:   resourceTencentCloudClbServerAttachmentRead,
-		Delete: resourceTencentCloudClbServerAttachmentDelete,
 		Update: resourceTencentCloudClbServerAttachmentUpdate,
+		Delete: resourceTencentCloudClbServerAttachmentDelete,
 		Importer: &schema.ResourceImporter{
 			State: schema.ImportStatePassthrough,
 		},
@@ -41,10 +41,27 @@ func ResourceTencentCloudClbServerAttachment() *schema.Resource {
 				Description: "ID of the CLB listener.",
 			},
 			"rule_id": {
-				Type:        schema.TypeString,
-				ForceNew:    true,
-				Optional:    true,
-				Description: "ID of the CLB listener rule. Only supports listeners of `HTTPS` and `HTTP` protocol.",
+				Type:          schema.TypeString,
+				ForceNew:      true,
+				Optional:      true,
+				ConflictsWith: []string{"domain", "url"},
+				Description:   "ID of the CLB listener rule. Only supports listeners of `HTTPS` and `HTTP` protocol.",
+			},
+			"domain": {
+				Type:          schema.TypeString,
+				ForceNew:      true,
+				Optional:      true,
+				RequiredWith:  []string{"url"},
+				ConflictsWith: []string{"rule_id"},
+				Description:   "Domain of the target forwarding rule. Does not take effect when parameter `rule_id` is provided.",
+			},
+			"url": {
+				Type:          schema.TypeString,
+				ForceNew:      true,
+				Optional:      true,
+				RequiredWith:  []string{"domain"},
+				ConflictsWith: []string{"rule_id"},
+				Description:   "URL of the target forwarding rule. Does not take effect when parameter `rule_id` is provided.",
 			},
 			"protocol_type": {
 				Type:        schema.TypeString,
@@ -95,28 +112,45 @@ func resourceTencentCloudClbServerAttachmentCreate(d *schema.ResourceData, meta
 	clbActionMu.Lock()
 	defer clbActionMu.Unlock()
 
-	logId := tccommon.GetLogId(tccommon.ContextNil)
+	var (
+		logId      = tccommon.GetLogId(tccommon.ContextNil)
+		request    = clb.NewRegisterTargetsRequest()
+		locationId string
+		domain     string
+		url        string
+	)
+
 	listenerId := d.Get("listener_id").(string)
 	checkErr := ListenerIdCheck(listenerId)
 	if checkErr != nil {
 		return checkErr
 	}
+
 	clbId := d.Get("clb_id").(string)
-	locationId := ""
-	request := clb.NewRegisterTargetsRequest()
 	request.LoadBalancerId = helper.String(clbId)
 	request.ListenerId = helper.String(listenerId)
 	if v, ok := d.GetOk("rule_id"); ok {
 		locationId = v.(string)
-		checkErr := RuleIdCheck(locationId)
+		checkErr = RuleIdCheck(locationId)
 		if checkErr != nil {
 			return checkErr
 		}
+
 		if locationId != "" {
 			request.LocationId = helper.String(locationId)
 		}
 	}
 
+	if v, ok := d.GetOk("domain"); ok {
+		request.Domain = helper.String(v.(string))
+		domain = v.(string)
+	}
+
+	if v, ok := d.GetOk("url"); ok {
+		request.Url = helper.String(v.(string))
+		url = v.(string)
+	}
+
 	insList := d.Get("targets").(*schema.Set).List()
 	insLen := len(insList)
 	for count := 0; count < insLen; count += 20 {
@@ -127,6 +161,7 @@ func resourceTencentCloudClbServerAttachmentCreate(d *schema.ResourceData, meta
 			if index >= insLen {
 				break
 			}
+
 			inst := insList[index].(map[string]interface{})
 			request.Targets = append(request.Targets, clbNewTarget(inst["instance_id"], inst["eni_ip"], inst["port"], inst["weight"]))
 		}
@@ -146,40 +181,244 @@ func resourceTencentCloudClbServerAttachmentCreate(d *schema.ResourceData, meta
 					return resource.NonRetryableError(errors.WithStack(retryErr))
 				}
 			}
+
 			return nil
 		})
+
 		if err != nil {
 			log.Printf("[CRITAL]%s create CLB attachment failed, reason:%+v", logId, err)
 			return err
 		}
 	}
-	id := fmt.Sprintf("%s#%v#%v", locationId, d.Get("listener_id"), d.Get("clb_id"))
+
+	var id string
+	if locationId != "" {
+		id = fmt.Sprintf("%s#%v#%v", locationId, d.Get("listener_id"), d.Get("clb_id"))
+	} else if domain != "" && url != "" {
+		id = fmt.Sprintf("%s,%s#%v#%v", domain, url, d.Get("listener_id"), d.Get("clb_id"))
+	} else {
+		id = fmt.Sprintf("%s#%v#%v", "", d.Get("listener_id"), d.Get("clb_id"))
+	}
+
 	d.SetId(id)
 
 	return resourceTencentCloudClbServerAttachmentRead(d, meta)
 }
 
+func resourceTencentCloudClbServerAttachmentRead(d *schema.ResourceData, meta interface{}) error {
+	defer tccommon.LogElapsed("resource.tencentcloud_clb_attachment.read")()
+	defer tccommon.InconsistentCheck(d, meta)()
+
+	var (
+		logId      = tccommon.GetLogId(tccommon.ContextNil)
+		ctx        = context.WithValue(context.TODO(), tccommon.LogIdKey, logId)
+		clbService = ClbService{client: meta.(tccommon.ProviderMeta).GetAPIV3Conn()}
+		instance   *clb.ListenerBackend
+		locationId string
+		domain     string
+		url        string
+	)
+
+	items := strings.Split(d.Id(), "#")
+	locationIdOrDomainUrl := items[0]
+	listenerId := items[1]
+	clbId := items[2]
+
+	if locationIdOrDomainUrl != "" {
+		if strings.HasPrefix(locationIdOrDomainUrl, "loc-") && !strings.Contains(locationIdOrDomainUrl, ",") {
+			// get locationId
+			locationId = locationIdOrDomainUrl
+		} else {
+			// get domain & url
+			domainUrl := strings.Split(locationIdOrDomainUrl, ",")
+			domain = domainUrl[0]
+			url = domainUrl[1]
+		}
+	}
+
+	err := resource.Retry(tccommon.ReadRetryTimeout, func() *resource.RetryError {
+		result, e := clbService.DescribeAttachmentByPara(ctx, clbId, listenerId, locationId)
+		if e != nil {
+			return tccommon.RetryError(e)
+		}
+
+		instance = result
+		return nil
+	})
+
+	if err != nil {
+		log.Printf("[CRITAL]%s read CLB attachment failed, reason:%+v", logId, err)
+		return err
+	}
+
+	//see if read empty
+	if instance == nil ||
+		(len(instance.Targets) == 0 && locationId == "" && domain == "" && url == "") ||
+		(len(instance.Rules) == 0 && locationId != "") {
+		d.SetId("")
+		return nil
+	}
+
+	_ = d.Set("clb_id", clbId)
+	_ = d.Set("listener_id", listenerId)
+	_ = d.Set("protocol_type", instance.Protocol)
+
+	if domain != "" && url != "" {
+		_ = d.Set("domain", domain)
+		_ = d.Set("url", url)
+	}
+
+	var onlineTargets []*clb.Backend
+	if *instance.Protocol == CLB_LISTENER_PROTOCOL_HTTP || *instance.Protocol == CLB_LISTENER_PROTOCOL_HTTPS {
+		_ = d.Set("rule_id", locationId)
+		if len(instance.Rules) > 0 {
+			for _, loc := range instance.Rules {
+				if locationId == "" || locationId == *loc.LocationId {
+					onlineTargets = loc.Targets
+				}
+			}
+		}
+		// TCP / UDP / TCP_SSL
+	} else if instance.Targets != nil {
+		onlineTargets = instance.Targets
+	}
+
+	targets := make([]interface{}, 0)
+	for _, onlineTarget := range onlineTargets {
+		if *onlineTarget.Type == CLB_BACKEND_TYPE_CVM {
+			target := map[string]interface{}{
+				"weight":      int(*onlineTarget.Weight),
+				"port":        int(*onlineTarget.Port),
+				"instance_id": *onlineTarget.InstanceId,
+			}
+
+			targets = append(targets, target)
+		} else if *onlineTarget.Type == CLB_BACKEND_TYPE_ENI || *onlineTarget.Type == CLB_BACKEND_TYPE_NAT || *onlineTarget.Type == CLB_BACKEND_TYPE_CCN {
+			target := map[string]interface{}{
+				"weight": int(*onlineTarget.Weight),
+				"port":   int(*onlineTarget.Port),
+				"eni_ip": *onlineTarget.PrivateIpAddresses[0],
+			}
+
+			targets = append(targets, target)
+		}
+	}
+
+	_ = d.Set("targets", targets)
+
+	err = resource.Retry(tccommon.ReadRetryTimeout, func() *resource.RetryError {
+		result, e := clbService.DescribeTargetsByPara(ctx, clbId, listenerId, locationId)
+		if e != nil {
+			return tccommon.RetryError(e)
+		}
+
+		instance = result
+		return nil
+	})
+
+	if err != nil {
+		log.Printf("[CRITAL]%s read CLB attachment tag failed, reason:%+v", logId, err)
+		return err
+	}
+
+	return nil
+}
+
+func resourceTencentCloudClbServerAttachmentUpdate(d *schema.ResourceData, meta interface{}) error {
+	defer tccommon.LogElapsed("resource.tencentcloud_clb_attachment.update")()
+
+	clbActionMu.Lock()
+	defer clbActionMu.Unlock()
+
+	if d.HasChange("targets") {
+		o, n := d.GetChange("targets")
+		os := o.(*schema.Set)
+		ns := n.(*schema.Set)
+		add := ns.Difference(os).List()
+		remove := os.Difference(ns).List()
+		addLen := len(add)
+		removeLen := len(remove)
+		if removeLen > 0 {
+			for count := 0; count < removeLen; count += 20 {
+				removeList := make([]interface{}, 0, 20)
+				for i := 0; i < 20; i++ {
+					index := count + i
+					if index >= removeLen {
+						break
+					}
+
+					removeList = append(removeList, remove[index])
+				}
+
+				err := resourceTencentCloudClbServerAttachmentRemove(d, meta, removeList)
+				if err != nil {
+					return err
+				}
+			}
+		}
+
+		if addLen > 0 {
+			for count := 0; count < addLen; count += 20 {
+				addList := make([]interface{}, 0, 20)
+				for i := 0; i < 20; i++ {
+					index := count + i
+					if index >= addLen {
+						break
+					}
+
+					addList = append(addList, add[index])
+				}
+
+				err := resourceTencentCloudClbServerAttachmentAdd(d, meta, addList)
+				if err != nil {
+					return err
+				}
+			}
+		}
+
+		return resourceTencentCloudClbServerAttachmentRead(d, meta)
+	}
+
+	return nil
+}
+
 func resourceTencentCloudClbServerAttachmentDelete(d *schema.ResourceData, meta interface{}) error {
 	defer tccommon.LogElapsed("resource.tencentcloud_clb_attachment.delete")()
 
 	clbActionMu.Lock()
 	defer clbActionMu.Unlock()
 
-	logId := tccommon.GetLogId(tccommon.ContextNil)
-	ctx := context.WithValue(context.TODO(), tccommon.LogIdKey, logId)
-	clbService := ClbService{client: meta.(tccommon.ProviderMeta).GetAPIV3Conn()}
+	var (
+		logId      = tccommon.GetLogId(tccommon.ContextNil)
+		ctx        = context.WithValue(context.TODO(), tccommon.LogIdKey, logId)
+		clbService = ClbService{client: meta.(tccommon.ProviderMeta).GetAPIV3Conn()}
+		locationId string
+		domain     string
+		url        string
+	)
 
 	attachmentId := d.Id()
-
 	items := strings.Split(attachmentId, "#")
 	if len(items) < 3 {
 		return fmt.Errorf("[CHECK][CLB attachment][Delete] check: id %s of resource.tencentcloud_clb_attachment is not match loc-xxx#lbl-xxx#lb-xxx", attachmentId)
 	}
 
-	locationId := items[0]
+	locationIdOrDomainUrl := items[0]
 	listenerId := items[1]
 	clbId := items[2]
 
+	if locationIdOrDomainUrl != "" {
+		if strings.HasPrefix(locationIdOrDomainUrl, "loc-") && !strings.Contains(locationIdOrDomainUrl, ",") {
+			// get locationId
+			locationId = locationIdOrDomainUrl
+		} else {
+			// get domain & url
+			domainUrl := strings.Split(locationIdOrDomainUrl, ",")
+			domain = domainUrl[0]
+			url = domainUrl[1]
+		}
+	}
+
 	request := clb.NewDeregisterTargetsRequest()
 	request.ListenerId = &listenerId
 	request.LoadBalancerId = helper.String(clbId)
@@ -187,6 +426,11 @@ func resourceTencentCloudClbServerAttachmentDelete(d *schema.ResourceData, meta
 		request.LocationId = helper.String(locationId)
 	}
 
+	if domain != "" && url != "" {
+		request.Domain = helper.String(domain)
+		request.Url = helper.String(url)
+	}
+
 	//insList := d.Get("targets").(*schema.Set).List()
 
 	// filter target group which cvm not existed
@@ -200,6 +444,7 @@ func resourceTencentCloudClbServerAttachmentDelete(d *schema.ResourceData, meta
 			if index >= insLen {
 				break
 			}
+
 			inst := insList[index].(map[string]interface{})
 			request.Targets = append(request.Targets, clbNewTarget(inst["instance_id"], inst["eni_ip"], inst["port"], inst["weight"]))
 		}
@@ -209,13 +454,12 @@ func resourceTencentCloudClbServerAttachmentDelete(d *schema.ResourceData, meta
 			ratelimit.Check(request.GetAction())
 			result, e := meta.(tccommon.ProviderMeta).GetAPIV3Conn().UseClbClient().DeregisterTargets(request)
 			if e != nil {
-
 				ee, ok := e.(*sdkErrors.TencentCloudSDKError)
 				if ok && ee.GetCode() == "InvalidParameter" {
 					return nil
 				}
-				return tccommon.RetryError(e)
 
+				return tccommon.RetryError(e)
 			} else {
 				log.Printf("[DEBUG]%s api[%s] success, request body [%s], response body [%s]",
 					logId, request.GetAction(), request.ToJsonString(), result.ToJsonString())
@@ -225,8 +469,10 @@ func resourceTencentCloudClbServerAttachmentDelete(d *schema.ResourceData, meta
 					return resource.NonRetryableError(errors.WithStack(retryErr))
 				}
 			}
+
 			return nil
 		})
+
 		if err != nil {
 			log.Printf("[CRITAL]%s create CLB attachment failed, reason:%+v", logId, err)
 			return err
@@ -239,26 +485,34 @@ func resourceTencentCloudClbServerAttachmentDelete(d *schema.ResourceData, meta
 func resourceTencentCloudClbServerAttachmentRemove(d *schema.ResourceData, meta interface{}, remove []interface{}) error {
 	defer tccommon.LogElapsed("resource.tencentcloud_clb_attachment.remove")()
 
-	logId := tccommon.GetLogId(tccommon.ContextNil)
-	ctx := context.WithValue(context.TODO(), tccommon.LogIdKey, logId)
+	var (
+		logId      = tccommon.GetLogId(tccommon.ContextNil)
+		ctx        = context.WithValue(context.TODO(), tccommon.LogIdKey, logId)
+		clbService = ClbService{client: meta.(tccommon.ProviderMeta).GetAPIV3Conn()}
+		locationId string
+		domain     string
+		url        string
+	)
+
 	attachmentId := d.Id()
 	items := strings.Split(attachmentId, "#")
 	if len(items) < 3 {
 		return fmt.Errorf("[CHECK][CLB attachment][Remove] check: id %s of resource.tencentcloud_clb_attachment is not match loc-xxx#lbl-xxx#lb-xxx", attachmentId)
 	}
-	locationId := items[0]
+
+	locationIdOrDomainUrl := items[0]
 	listenerId := items[1]
 	clbId := items[2]
-
-	request := clb.NewDeregisterTargetsRequest()
-	request.ListenerId = helper.String(listenerId)
-	request.LoadBalancerId = helper.String(clbId)
-	if locationId != "" {
-		request.LocationId = helper.String(locationId)
-	}
-
-	clbService := ClbService{
-		client: meta.(tccommon.ProviderMeta).GetAPIV3Conn(),
+	if locationIdOrDomainUrl != "" {
+		if strings.HasPrefix(locationIdOrDomainUrl, "loc-") && !strings.Contains(locationIdOrDomainUrl, ",") {
+			// get locationId
+			locationId = locationIdOrDomainUrl
+		} else {
+			// get domain & url
+			domainUrl := strings.Split(locationIdOrDomainUrl, ",")
+			domain = domainUrl[0]
+			url = domainUrl[1]
+		}
 	}
 
 	err := resource.Retry(tccommon.WriteRetryTimeout, func() *resource.RetryError {
@@ -266,13 +520,15 @@ func resourceTencentCloudClbServerAttachmentRemove(d *schema.ResourceData, meta
 		if len(removeCandidates) == 0 {
 			return nil
 		}
-		e := clbService.DeleteAttachmentById(ctx, clbId, listenerId, locationId, removeCandidates)
+
+		e := clbService.DeleteAttachmentById(ctx, clbId, listenerId, locationId, removeCandidates, domain, url)
 		if e != nil {
 			return tccommon.RetryError(e)
 		}
 
 		return nil
 	})
+
 	if err != nil {
 		log.Printf("[CRITAL]%s reason[%+v]", logId, err)
 		return err
@@ -283,15 +539,17 @@ func resourceTencentCloudClbServerAttachmentRemove(d *schema.ResourceData, meta
 
 func resourceTencentCloudClbServerAttachmentAdd(d *schema.ResourceData, meta interface{}, add []interface{}) error {
 	defer tccommon.LogElapsed("resource.tencentcloud_clb_attachment.add")()
-	logId := tccommon.GetLogId(tccommon.ContextNil)
+
+	var (
+		logId      = tccommon.GetLogId(tccommon.ContextNil)
+		request    = clb.NewRegisterTargetsRequest()
+		locationId string
+	)
 
 	listenerId := d.Get("listener_id").(string)
 	clbId := d.Get("clb_id").(string)
-	locationId := ""
-	request := clb.NewRegisterTargetsRequest()
 	request.LoadBalancerId = helper.String(clbId)
 	request.ListenerId = helper.String(listenerId)
-
 	if v, ok := d.GetOk("rule_id"); ok {
 		locationId = v.(string)
 		if locationId != "" {
@@ -299,10 +557,19 @@ func resourceTencentCloudClbServerAttachmentAdd(d *schema.ResourceData, meta int
 		}
 	}
 
+	if v, ok := d.GetOk("domain"); ok {
+		request.Domain = helper.String(v.(string))
+	}
+
+	if v, ok := d.GetOk("url"); ok {
+		request.Url = helper.String(v.(string))
+	}
+
 	for _, v := range add {
 		inst := v.(map[string]interface{})
 		request.Targets = append(request.Targets, clbNewTarget(inst["instance_id"], inst["eni_ip"], inst["port"], inst["weight"]))
 	}
+
 	err := resource.Retry(tccommon.WriteRetryTimeout, func() *resource.RetryError {
 		requestId := ""
 		response, e := meta.(tccommon.ProviderMeta).GetAPIV3Conn().UseClbClient().RegisterTargets(request)
@@ -317,139 +584,14 @@ func resourceTencentCloudClbServerAttachmentAdd(d *schema.ResourceData, meta int
 				return resource.NonRetryableError(errors.WithStack(retryErr))
 			}
 		}
-		return nil
-	})
-	if err != nil {
-		log.Printf("[CRITAL]%s add CLB attachment failed, reason:%+v", logId, err)
-		return err
-	}
-	return nil
-}
-
-func resourceTencentCloudClbServerAttachmentUpdate(d *schema.ResourceData, meta interface{}) error {
-	defer tccommon.LogElapsed("resource.tencentcloud_clb_attachment.update")()
-
-	clbActionMu.Lock()
-	defer clbActionMu.Unlock()
-
-	if d.HasChange("targets") {
-		o, n := d.GetChange("targets")
-		os := o.(*schema.Set)
-		ns := n.(*schema.Set)
-		add := ns.Difference(os).List()
-		remove := os.Difference(ns).List()
-		addLen := len(add)
-		removeLen := len(remove)
-		if removeLen > 0 {
-			for count := 0; count < removeLen; count += 20 {
-				removeList := make([]interface{}, 0, 20)
-				for i := 0; i < 20; i++ {
-					index := count + i
-					if index >= removeLen {
-						break
-					}
-					removeList = append(removeList, remove[index])
-				}
-				err := resourceTencentCloudClbServerAttachmentRemove(d, meta, removeList)
-				if err != nil {
-					return err
-				}
-			}
-		}
-		if addLen > 0 {
-			for count := 0; count < addLen; count += 20 {
-				addList := make([]interface{}, 0, 20)
-				for i := 0; i < 20; i++ {
-					index := count + i
-					if index >= addLen {
-						break
-					}
-					addList = append(addList, add[index])
-				}
-				err := resourceTencentCloudClbServerAttachmentAdd(d, meta, addList)
-				if err != nil {
-					return err
-				}
-			}
-		}
-		return resourceTencentCloudClbServerAttachmentRead(d, meta)
-	}
-
-	return nil
-}
-
-func resourceTencentCloudClbServerAttachmentRead(d *schema.ResourceData, meta interface{}) error {
-	defer tccommon.LogElapsed("resource.tencentcloud_clb_attachment.read")()
-	defer tccommon.InconsistentCheck(d, meta)()
-
-	logId := tccommon.GetLogId(tccommon.ContextNil)
-	ctx := context.WithValue(context.TODO(), tccommon.LogIdKey, logId)
-
-	items := strings.Split(d.Id(), "#")
-	locationId := items[0]
-	listenerId := items[1]
-	clbId := items[2]
 
-	clbService := ClbService{
-		client: meta.(tccommon.ProviderMeta).GetAPIV3Conn(),
-	}
-	var instance *clb.ListenerBackend
-	err := resource.Retry(tccommon.ReadRetryTimeout, func() *resource.RetryError {
-		result, e := clbService.DescribeAttachmentByPara(ctx, clbId, listenerId, locationId)
-		if e != nil {
-			return tccommon.RetryError(e)
-		}
-		instance = result
 		return nil
 	})
+
 	if err != nil {
-		log.Printf("[CRITAL]%s read CLB attachment failed, reason:%+v", logId, err)
+		log.Printf("[CRITAL]%s add CLB attachment failed, reason:%+v", logId, err)
 		return err
 	}
-	//see if read empty
-
-	if instance == nil || (len(instance.Targets) == 0 && locationId == "") || (len(instance.Rules) == 0 && locationId != "") {
-		d.SetId("")
-		return nil
-	}
-
-	_ = d.Set("clb_id", clbId)
-	_ = d.Set("listener_id", listenerId)
-	_ = d.Set("protocol_type", instance.Protocol)
-
-	var onlineTargets []*clb.Backend
-	if *instance.Protocol == CLB_LISTENER_PROTOCOL_HTTP || *instance.Protocol == CLB_LISTENER_PROTOCOL_HTTPS {
-		_ = d.Set("rule_id", locationId)
-		if len(instance.Rules) > 0 {
-			for _, loc := range instance.Rules {
-				if locationId == "" || locationId == *loc.LocationId {
-					onlineTargets = loc.Targets
-				}
-			}
-		}
-		// TCP / UDP / TCP_SSL
-	} else if instance.Targets != nil {
-		onlineTargets = instance.Targets
-	}
-	targets := make([]interface{}, 0)
-	for _, onlineTarget := range onlineTargets {
-		if *onlineTarget.Type == CLB_BACKEND_TYPE_CVM {
-			target := map[string]interface{}{
-				"weight":      int(*onlineTarget.Weight),
-				"port":        int(*onlineTarget.Port),
-				"instance_id": *onlineTarget.InstanceId,
-			}
-			targets = append(targets, target)
-		} else if *onlineTarget.Type == CLB_BACKEND_TYPE_ENI || *onlineTarget.Type == CLB_BACKEND_TYPE_NAT || *onlineTarget.Type == CLB_BACKEND_TYPE_CCN {
-			target := map[string]interface{}{
-				"weight": int(*onlineTarget.Weight),
-				"port":   int(*onlineTarget.Port),
-				"eni_ip": *onlineTarget.PrivateIpAddresses[0],
-			}
-			targets = append(targets, target)
-		}
-	}
-	_ = d.Set("targets", targets)
 
 	return nil
 }
@@ -462,6 +604,7 @@ func getRemoveCandidates(ctx context.Context, clbService ClbService, clbId strin
 	if err != nil {
 		return removeCandidates
 	}
+
 	existTargetGroups := make([]*clb.Backend, 0)
 	existTargetGroups = append(existTargetGroups, listenerBackend.Targets...)
 	if len(listenerBackend.Rules) > 0 {
@@ -484,15 +627,18 @@ func targetGroupContainsInstance(targets []*clb.Backend, instanceId interface{})
 	if !ok || id == "" {
 		return
 	}
+
 	for _, target := range targets {
 		if target.InstanceId == nil {
 			continue
 		}
+
 		if id == *target.InstanceId {
 			log.Printf("[WARN] Instance %s applied.", id)
 			return true
 		}
 	}
+
 	log.Printf("[WARN] Instance %s not exist, skip deregister.", id)
 
 	return
@@ -504,15 +650,18 @@ func targetGroupContainsEni(targets []*clb.Backend, eniIp interface{}) (contains
 	if !ok || ip == "" {
 		return
 	}
+
 	for _, target := range targets {
 		if len(target.PrivateIpAddresses) == 0 || target.PrivateIpAddresses[0] == nil {
 			continue
 		}
+
 		if ip == *target.PrivateIpAddresses[0] {
 			log.Printf("[WARN] IP %s applied.", ip)
 			return true
 		}
 	}
+
 	log.Printf("[WARN] IP %s not exist, skip deregister.", ip)
 
 	return
diff --git a/tencentcloud/services/clb/resource_tc_clb_attachment.md b/tencentcloud/services/clb/resource_tc_clb_attachment.md
index c91e27f799..d4983fc3c4 100644
--- a/tencentcloud/services/clb/resource_tc_clb_attachment.md
+++ b/tencentcloud/services/clb/resource_tc_clb_attachment.md
@@ -2,12 +2,12 @@ Provides a resource to create a CLB attachment.
 
 ~> **NOTE:** This resource is designed to manage the entire set of binding relationships associated with a particular CLB (Cloud Load Balancer). As such, it does not allow the simultaneous use of this resource for the same CLB across different contexts or environments.
 
-
 Example Usage
 
-Bind a Cvm instance
+Bind a Cvm instance by using `rule_id`
+
 ```hcl
-resource "tencentcloud_clb_attachment" "foo" {
+resource "tencentcloud_clb_attachment" "example" {
   clb_id      = "lb-k2zjp9lv"
   listener_id = "lbl-hh141sn9"
   rule_id     = "loc-4xxr2cy7"
@@ -20,9 +20,27 @@ resource "tencentcloud_clb_attachment" "foo" {
 }
 ```
 
-Bind multiple Cvm instances
+Bind a Cvm instance by using `domian` and `url`
+
 ```hcl
-resource "tencentcloud_clb_attachment" "foo" {
+resource "tencentcloud_clb_attachment" "example" {
+  clb_id      = "lb-k2zjp9lv"
+  listener_id = "lbl-hh141sn9"
+  domain      = "test.com"
+  url         = "/"
+
+  targets {
+    instance_id = "ins-1flbqyp8"
+    port        = 80
+    weight      = 10
+  }
+}
+```
+
+Bind multiple Cvm instances by using `rule_id`
+
+```hcl
+resource "tencentcloud_clb_attachment" "example" {
   clb_id      = "lb-k2zjp9lv"
   listener_id = "lbl-hh141sn9"
   rule_id     = "loc-4xxr2cy7"
@@ -41,24 +59,70 @@ resource "tencentcloud_clb_attachment" "foo" {
 }
 ```
 
-Bind backend target is ENI
+Bind multiple Cvm instances by using `domian` and `url`
+
+```hcl
+resource "tencentcloud_clb_attachment" "example" {
+  clb_id      = "lb-k2zjp9lv"
+  listener_id = "lbl-hh141sn9"
+  domain      = "test.com"
+  url         = "/"
+
+  targets {
+    instance_id = "ins-1flbqyp8"
+    port        = 80
+    weight      = 10
+  }
+  
+  targets {
+    instance_id = "ins-ekloqpa1"
+    port        = 81
+    weight      = 10
+  }
+}
+```
+
+Bind backend target is ENI by using `rule_id`
+
 ```hcl
-resource "tencentcloud_clb_attachment" "foo" {
+resource "tencentcloud_clb_attachment" "example" {
   clb_id      = "lb-k2zjp9lv"
   listener_id = "lbl-hh141sn9"
   rule_id     = "loc-4xxr2cy7"
+
+  targets {
+    eni_ip = "172.16.16.52"
+    port   = 8090
+    weight = 50
+  }
+}
+```
+
+Bind backend target is ENI by using `domian` and `url`
+
+```hcl
+resource "tencentcloud_clb_attachment" "example" {
+  clb_id      = "lb-k2zjp9lv"
+  listener_id = "lbl-hh141sn9"
+  domain      = "test.com"
+  url         = "/"
   
   targets {
-    eni_ip      = "example-ip"
-    port        = 23
-    weight      = 50
+    eni_ip = "172.16.16.52"
+    port   = 8090
+    weight = 50
   }
 }
 ```
+
 Import
 
 CLB attachment can be imported using the id, e.g.
 
 ```
-$ terraform import tencentcloud_clb_attachment.foo loc-4xxr2cy7#lbl-hh141sn9#lb-7a0t6zqb
-```
\ No newline at end of file
+$ terraform import tencentcloud_clb_attachment.example loc-4xxr2cy7#lbl-hh141sn9#lb-7a0t6zqb
+
+Or
+
+$ terraform import tencentcloud_clb_attachment.example test.com,/#lbl-hh141sn9#lb-7a0t6zqb
+```
diff --git a/tencentcloud/services/clb/service_tencentcloud_clb.go b/tencentcloud/services/clb/service_tencentcloud_clb.go
index 246bb39f44..7ca9af79c2 100644
--- a/tencentcloud/services/clb/service_tencentcloud_clb.go
+++ b/tencentcloud/services/clb/service_tencentcloud_clb.go
@@ -465,6 +465,59 @@ func (me *ClbService) DescribeAttachmentByPara(ctx context.Context, clbId string
 	return
 }
 
+func (me *ClbService) DescribeTargetsByPara(ctx context.Context, clbId, listenerId, locationId string) (clbAttachment *clb.ListenerBackend, errRet error) {
+	logId := tccommon.GetLogId(ctx)
+	request := clb.NewDescribeTargetsRequest()
+	request.LoadBalancerId = &clbId
+	request.ListenerIds = []*string{&listenerId}
+	ratelimit.Check(request.GetAction())
+	response, err := me.client.UseClbClient().DescribeTargets(request)
+	if err != nil {
+		return
+	}
+
+	log.Printf("[DEBUG]%s api[%s] success, request body [%s], response body [%s]\n",
+		logId, request.GetAction(), request.ToJsonString(), response.ToJsonString())
+
+	//listener not found, return empty
+	if len(response.Response.Listeners) < 1 {
+		return
+	}
+
+	clbListener := response.Response.Listeners[0]
+	protocol := clbListener.Protocol
+	port := clbListener.Port
+
+	aRequest := clb.NewDescribeTargetsRequest()
+	aRequest.ListenerIds = []*string{&listenerId}
+	aRequest.LoadBalancerId = &clbId
+	aRequest.Protocol = protocol
+	aRequest.Port = port
+	ratelimit.Check(request.GetAction())
+	aResponse, aErr := me.client.UseClbClient().DescribeTargets(aRequest)
+
+	if aErr != nil {
+		//in case that the lb is not exist, return empty
+		if e, ok := aErr.(*sdkErrors.TencentCloudSDKError); ok {
+			if e.GetCode() == "InvalidParameter.LBIdNotFound" {
+				return
+			}
+		}
+		errRet = errors.WithStack(aErr)
+		return
+	}
+	log.Printf("[DEBUG]%s api[%s] success, request body [%s], response body [%s]\n",
+		logId, aRequest.GetAction(), aRequest.ToJsonString(), aResponse.ToJsonString())
+
+	if len(aResponse.Response.Listeners) < 1 {
+		return
+	} else {
+		clbAttachment = aResponse.Response.Listeners[0]
+	}
+
+	return
+}
+
 func (me *ClbService) DescribeAttachmentsByFilter(ctx context.Context, params map[string]string) (clbAttachments []*clb.ListenerBackend, errRet error) {
 	logId := tccommon.GetLogId(ctx)
 	//listener filter
@@ -541,7 +594,7 @@ func (me *ClbService) DescribeAttachmentsByFilter(ctx context.Context, params ma
 	return
 }
 
-func (me *ClbService) DeleteAttachmentById(ctx context.Context, clbId string, listenerId string, locationId string, targets []interface{}) error {
+func (me *ClbService) DeleteAttachmentById(ctx context.Context, clbId string, listenerId string, locationId string, targets []interface{}, domain string, url string) error {
 	logId := tccommon.GetLogId(ctx)
 	request := clb.NewDeregisterTargetsRequest()
 	request.ListenerId = &listenerId
@@ -551,7 +604,12 @@ func (me *ClbService) DeleteAttachmentById(ctx context.Context, clbId string, li
 		request.Targets = append(request.Targets, clbNewTarget(inst["instance_id"], inst["eni_ip"], inst["port"], inst["weight"]))
 	}
 	if locationId != "" {
-		request.LocationId = &locationId
+		request.LocationId = helper.String(locationId)
+	}
+
+	if domain != "" && url != "" {
+		request.Domain = helper.String(domain)
+		request.Url = helper.String(url)
 	}
 	ratelimit.Check(request.GetAction())
 	response, err := me.client.UseClbClient().DeregisterTargets(request)
diff --git a/vendor/github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/clb/v20180317/client.go b/vendor/github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/clb/v20180317/client.go
index a7499c714e..7a304cff41 100644
--- a/vendor/github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/clb/v20180317/client.go
+++ b/vendor/github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/clb/v20180317/client.go
@@ -4553,6 +4553,8 @@ func NewModifyLoadBalancerAttributesResponse() (response *ModifyLoadBalancerAttr
 // ModifyLoadBalancerAttributes
 // 修改负载均衡实例的属性。支持修改负载均衡实例的名称、设置负载均衡的跨域属性。
 //
+// 注意：非带宽上移用户的 CLB 实例必须加入带宽包才可以设置跨域属性。
+//
 // 本接口为异步接口，接口返回成功后，需以得到的 RequestID 为入参，调用 DescribeTaskStatus 接口查询本次任务是否成功。
 //
 // 可能返回的错误码:
@@ -4577,6 +4579,8 @@ func (c *Client) ModifyLoadBalancerAttributes(request *ModifyLoadBalancerAttribu
 // ModifyLoadBalancerAttributes
 // 修改负载均衡实例的属性。支持修改负载均衡实例的名称、设置负载均衡的跨域属性。
 //
+// 注意：非带宽上移用户的 CLB 实例必须加入带宽包才可以设置跨域属性。
+//
 // 本接口为异步接口，接口返回成功后，需以得到的 RequestID 为入参，调用 DescribeTaskStatus 接口查询本次任务是否成功。
 //
 // 可能返回的错误码:
diff --git a/vendor/github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/clb/v20180317/models.go b/vendor/github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/clb/v20180317/models.go
index 1083eda3e8..1ac23d7035 100644
--- a/vendor/github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/clb/v20180317/models.go
+++ b/vendor/github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/clb/v20180317/models.go
@@ -1445,6 +1445,9 @@ type CreateLoadBalancerRequestParams struct {
 
 	// 网络出口
 	Egress *string `json:"Egress,omitnil,omitempty" name:"Egress"`
+
+	// 负载均衡实例的预付费相关属性
+	LBChargePrepaid *LBChargePrepaid `json:"LBChargePrepaid,omitnil,omitempty" name:"LBChargePrepaid"`
 }
 
 type CreateLoadBalancerRequest struct {
@@ -1536,6 +1539,9 @@ type CreateLoadBalancerRequest struct {
 
 	// 网络出口
 	Egress *string `json:"Egress,omitnil,omitempty" name:"Egress"`
+
+	// 负载均衡实例的预付费相关属性
+	LBChargePrepaid *LBChargePrepaid `json:"LBChargePrepaid,omitnil,omitempty" name:"LBChargePrepaid"`
 }
 
 func (r *CreateLoadBalancerRequest) ToJsonString() string {
@@ -1577,6 +1583,7 @@ func (r *CreateLoadBalancerRequest) FromJsonString(s string) error {
 	delete(f, "LoadBalancerPassToTarget")
 	delete(f, "DynamicVip")
 	delete(f, "Egress")
+	delete(f, "LBChargePrepaid")
 	if len(f) > 0 {
 		return tcerr.NewTencentCloudSDKError("ClientError.BuildRequestError", "CreateLoadBalancerRequest has unknown keys!", "")
 	}
diff --git a/vendor/github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common/http/request.go b/vendor/github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common/http/request.go
index cb33214d0e..4bfc52d0d8 100644
--- a/vendor/github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common/http/request.go
+++ b/vendor/github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common/http/request.go
@@ -265,7 +265,7 @@ func CompleteCommonParams(request Request, region string, requestClient string)
 	params["Action"] = request.GetAction()
 	params["Timestamp"] = strconv.FormatInt(time.Now().Unix(), 10)
 	params["Nonce"] = strconv.Itoa(rand.Int())
-	params["RequestClient"] = "SDK_GO_1.0.978"
+	params["RequestClient"] = "SDK_GO_1.0.984"
 	if requestClient != "" {
 		params["RequestClient"] += ": " + requestClient
 	}
diff --git a/vendor/modules.txt b/vendor/modules.txt
index f6d15cf632..800089758b 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -1151,7 +1151,7 @@ github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/ciam/v20220331
 # github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/ckafka v1.0.748
 ## explicit; go 1.14
 github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/ckafka/v20190819
-# github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/clb v1.0.961
+# github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/clb v1.0.984
 ## explicit; go 1.14
 github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/clb/v20180317
 # github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/cloudaudit v1.0.544
@@ -1160,7 +1160,7 @@ github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/cloudaudit/v20190319
 # github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/cls v1.0.970
 ## explicit; go 1.14
 github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/cls/v20201016
-# github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common v1.0.978
+# github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common v1.0.984
 ## explicit; go 1.11
 github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common
 github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common/errors
diff --git a/website/docs/r/clb_attachment.html.markdown b/website/docs/r/clb_attachment.html.markdown
index b8eaf50e22..15a03fd6bd 100644
--- a/website/docs/r/clb_attachment.html.markdown
+++ b/website/docs/r/clb_attachment.html.markdown
@@ -15,10 +15,8 @@ Provides a resource to create a CLB attachment.
 
 ## Example Usage
 
-### Bind a Cvm instance
-
 ```hcl
-resource "tencentcloud_clb_attachment" "foo" {
+resource "tencentcloud_clb_attachment" "example" {
   clb_id      = "lb-k2zjp9lv"
   listener_id = "lbl-hh141sn9"
   rule_id     = "loc-4xxr2cy7"
@@ -31,10 +29,27 @@ resource "tencentcloud_clb_attachment" "foo" {
 }
 ```
 
-### Bind multiple Cvm instances
+
+
+```hcl
+resource "tencentcloud_clb_attachment" "example" {
+  clb_id      = "lb-k2zjp9lv"
+  listener_id = "lbl-hh141sn9"
+  domain      = "test.com"
+  url         = "/"
+
+  targets {
+    instance_id = "ins-1flbqyp8"
+    port        = 80
+    weight      = 10
+  }
+}
+```
+
+
 
 ```hcl
-resource "tencentcloud_clb_attachment" "foo" {
+resource "tencentcloud_clb_attachment" "example" {
   clb_id      = "lb-k2zjp9lv"
   listener_id = "lbl-hh141sn9"
   rule_id     = "loc-4xxr2cy7"
@@ -53,17 +68,57 @@ resource "tencentcloud_clb_attachment" "foo" {
 }
 ```
 
-### Bind backend target is ENI
+
 
 ```hcl
-resource "tencentcloud_clb_attachment" "foo" {
+resource "tencentcloud_clb_attachment" "example" {
+  clb_id      = "lb-k2zjp9lv"
+  listener_id = "lbl-hh141sn9"
+  domain      = "test.com"
+  url         = "/"
+
+  targets {
+    instance_id = "ins-1flbqyp8"
+    port        = 80
+    weight      = 10
+  }
+
+  targets {
+    instance_id = "ins-ekloqpa1"
+    port        = 81
+    weight      = 10
+  }
+}
+```
+
+
+
+```hcl
+resource "tencentcloud_clb_attachment" "example" {
   clb_id      = "lb-k2zjp9lv"
   listener_id = "lbl-hh141sn9"
   rule_id     = "loc-4xxr2cy7"
 
   targets {
-    eni_ip = "example-ip"
-    port   = 23
+    eni_ip = "172.16.16.52"
+    port   = 8090
+    weight = 50
+  }
+}
+```
+
+
+
+```hcl
+resource "tencentcloud_clb_attachment" "example" {
+  clb_id      = "lb-k2zjp9lv"
+  listener_id = "lbl-hh141sn9"
+  domain      = "test.com"
+  url         = "/"
+
+  targets {
+    eni_ip = "172.16.16.52"
+    port   = 8090
     weight = 50
   }
 }
@@ -76,7 +131,9 @@ The following arguments are supported:
 * `clb_id` - (Required, String, ForceNew) ID of the CLB.
 * `listener_id` - (Required, String, ForceNew) ID of the CLB listener.
 * `targets` - (Required, Set) Information of the backends to be attached.
+* `domain` - (Optional, String, ForceNew) Domain of the target forwarding rule. Does not take effect when parameter `rule_id` is provided.
 * `rule_id` - (Optional, String, ForceNew) ID of the CLB listener rule. Only supports listeners of `HTTPS` and `HTTP` protocol.
+* `url` - (Optional, String, ForceNew) URL of the target forwarding rule. Does not take effect when parameter `rule_id` is provided.
 
 The `targets` object supports the following:
 
@@ -98,6 +155,10 @@ In addition to all arguments above, the following attributes are exported:
 CLB attachment can be imported using the id, e.g.
 
 ```
-$ terraform import tencentcloud_clb_attachment.foo loc-4xxr2cy7#lbl-hh141sn9#lb-7a0t6zqb
+$ terraform import tencentcloud_clb_attachment.example loc-4xxr2cy7#lbl-hh141sn9#lb-7a0t6zqb
+
+Or
+
+$ terraform import tencentcloud_clb_attachment.example test.com,/#lbl-hh141sn9#lb-7a0t6zqb
 ```