diff --git a/.changelog/3096.txt b/.changelog/3096.txt
new file mode 100644
index 0000000000..109e75b750
--- /dev/null
+++ b/.changelog/3096.txt
@@ -0,0 +1,3 @@
+```release-note:enhancement
+resource/tencentcloud_cbs_storage: fix `disk_backup_quota` update failed
+```
diff --git a/tencentcloud/services/cbs/resource_tc_cbs_storage.go b/tencentcloud/services/cbs/resource_tc_cbs_storage.go
index 80819935ec..a2dcbacd93 100644
--- a/tencentcloud/services/cbs/resource_tc_cbs_storage.go
+++ b/tencentcloud/services/cbs/resource_tc_cbs_storage.go
@@ -230,13 +230,6 @@ func resourceTencentCloudCbsStorageCreate(d *schema.ResourceData, meta interface
 
 	d.SetId(storageId)
 
-	if v, ok := d.GetOk("disk_backup_quota"); ok {
-		err = cbsService.ModifyDiskBackupQuota(ctx, storageId, v.(int))
-		if err != nil {
-			return err
-		}
-	}
-
 	// must wait for finishing creating disk
 	err = resource.Retry(10*tccommon.ReadRetryTimeout, func() *resource.RetryError {
 		storage, e := cbsService.DescribeDiskById(ctx, storageId)
@@ -254,6 +247,12 @@ func resourceTencentCloudCbsStorageCreate(d *schema.ResourceData, meta interface
 	if err != nil {
 		return err
 	}
+	if v, ok := d.GetOk("disk_backup_quota"); ok {
+		err = cbsService.ModifyDiskBackupQuota(ctx, storageId, v.(int))
+		if err != nil {
+			return err
+		}
+	}
 
 	return resourceTencentCloudCbsStorageRead(d, meta)
 }
diff --git a/tencentcloud/services/cbs/resource_tc_cbs_storage_test.go b/tencentcloud/services/cbs/resource_tc_cbs_storage_test.go
index 98bc5556de..a3cac9f763 100644
--- a/tencentcloud/services/cbs/resource_tc_cbs_storage_test.go
+++ b/tencentcloud/services/cbs/resource_tc_cbs_storage_test.go
@@ -78,7 +78,6 @@ func init() {
 }
 
 func TestAccTencentCloudCbsStorageResource_basic(t *testing.T) {
-	t.Parallel()
 
 	resource.Test(t, resource.TestCase{
 		PreCheck:     func() { tcacctest.AccPreCheck(t) },
@@ -106,7 +105,6 @@ func TestAccTencentCloudCbsStorageResource_basic(t *testing.T) {
 }
 
 func TestAccTencentCloudCbsStorageResource_full(t *testing.T) {
-	t.Parallel()
 
 	resource.Test(t, resource.TestCase{
 		PreCheck:     func() { tcacctest.AccPreCheck(t) },