From 819ef682b6627fcda0bab49cd67209a4bbdab402 Mon Sep 17 00:00:00 2001
From: SevenEarth <391613297@qq.com>
Date: Tue, 18 Nov 2025 15:02:36 +0800
Subject: [PATCH 1/2] add

---
 tencentcloud/services/clb/resource_tc_clb_instance.go | 7 +++++++
 tencentcloud/services/clb/service_tencentcloud_clb.go | 5 +++++
 2 files changed, 12 insertions(+)

diff --git a/tencentcloud/services/clb/resource_tc_clb_instance.go b/tencentcloud/services/clb/resource_tc_clb_instance.go
index 3e4fcbf0c0..d611976075 100644
--- a/tencentcloud/services/clb/resource_tc_clb_instance.go
+++ b/tencentcloud/services/clb/resource_tc_clb_instance.go
@@ -14,6 +14,7 @@ import (
 	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
 	"github.com/pkg/errors"
 	clb "github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/clb/v20180317"
+	sdkErrors "github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common/errors"
 	vpc "github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/vpc/v20170312"
 
 	"github.com/tencentcloudstack/terraform-provider-tencentcloud/tencentcloud/internal/helper"
@@ -1111,6 +1112,12 @@ func resourceTencentCloudClbInstanceDelete(d *schema.ResourceData, meta interfac
 	err := resource.Retry(tccommon.WriteRetryTimeout, func() *resource.RetryError {
 		e := clbService.DeleteLoadBalancerById(ctx, clbId)
 		if e != nil {
+			if ve, ok := e.(*sdkErrors.TencentCloudSDKError); ok {
+				if ve.GetCode() == "FailedOperation.ResourceInOperating" {
+					return tccommon.RetryError(e, "FailedOperation.ResourceInOperating")
+				}
+			}
+
 			return tccommon.RetryError(e)
 		}
 
diff --git a/tencentcloud/services/clb/service_tencentcloud_clb.go b/tencentcloud/services/clb/service_tencentcloud_clb.go
index 92a4d3684e..48fe9229ed 100644
--- a/tencentcloud/services/clb/service_tencentcloud_clb.go
+++ b/tencentcloud/services/clb/service_tencentcloud_clb.go
@@ -136,7 +136,12 @@ func (me *ClbService) DeleteLoadBalancerById(ctx context.Context, clbId string)
 			if e.GetCode() == "InvalidParameter.LBIdNotFound" {
 				return nil
 			}
+
+			if e.GetCode() == "FailedOperation.ResourceInOperating" {
+				return err
+			}
 		}
+
 		return errors.WithStack(err)
 	}
 	log.Printf("[DEBUG]%s api[%s] success, request body [%s], response body [%s]\n",

From 19858a1963f1378fa8b68a4b70be55afc5471f72 Mon Sep 17 00:00:00 2001
From: SevenEarth <391613297@qq.com>
Date: Tue, 18 Nov 2025 15:05:46 +0800
Subject: [PATCH 2/2] add

---
 .changelog/3597.txt | 3 +++
 1 file changed, 3 insertions(+)
 create mode 100644 .changelog/3597.txt

diff --git a/.changelog/3597.txt b/.changelog/3597.txt
new file mode 100644
index 0000000000..148ae85167
--- /dev/null
+++ b/.changelog/3597.txt
@@ -0,0 +1,3 @@
+```release-note:enhancement
+resource/tencentcloud_clb_instance: optimiz delete code logic.
+```
\ No newline at end of file