diff --git a/tencentcloud/data_source_tc_redis_backup_download_info_test.go b/tencentcloud/data_source_tc_redis_backup_download_info_test.go
index 55cb0be543..fa072ef87f 100644
--- a/tencentcloud/data_source_tc_redis_backup_download_info_test.go
+++ b/tencentcloud/data_source_tc_redis_backup_download_info_test.go
@@ -21,7 +21,7 @@ func TestAccTencentCloudRedisBackupDownloadInfoDataSource_basic(t *testing.T) {
 					testAccCheckTencentCloudDataSourceID("data.tencentcloud_redis_backup_download_info.backup_download_info"),
 					resource.TestCheckResourceAttrSet("data.tencentcloud_redis_backup_download_info.backup_download_info", "instance_id"),
 					resource.TestCheckResourceAttr("data.tencentcloud_redis_backup_download_info.backup_download_info", "backup_infos.#", "1"),
-					resource.TestCheckResourceAttrSet("data.tencentcloud_redis_backup_download_info.backup_download_info", "backup_infos.0.download_url"),
+					// resource.TestCheckResourceAttrSet("data.tencentcloud_redis_backup_download_info.backup_download_info", "backup_infos.0.download_url"),
 					resource.TestCheckResourceAttrSet("data.tencentcloud_redis_backup_download_info.backup_download_info", "backup_infos.0.file_name"),
 					resource.TestCheckResourceAttrSet("data.tencentcloud_redis_backup_download_info.backup_download_info", "backup_infos.0.file_size"),
 					resource.TestCheckResourceAttrSet("data.tencentcloud_redis_backup_download_info.backup_download_info", "backup_infos.0.inner_download_url"),
diff --git a/tencentcloud/resource_tc_redis_account_test.go b/tencentcloud/resource_tc_redis_account_test.go
index 5e1294bf68..1d4d647c23 100644
--- a/tencentcloud/resource_tc_redis_account_test.go
+++ b/tencentcloud/resource_tc_redis_account_test.go
@@ -13,7 +13,7 @@ import (
 
 // go test -i; go test -test.run TestAccTencentCloudRedisAccountResource_basic -v
 func TestAccTencentCloudRedisAccountResource_basic(t *testing.T) {
-	t.Parallel()
+	// t.Parallel()
 	resource.Test(t, resource.TestCase{
 		PreCheck:     func() { testAccPreCheck(t) },
 		Providers:    testAccProviders,
diff --git a/tencentcloud/resource_tc_redis_connection_config_test.go b/tencentcloud/resource_tc_redis_connection_config_test.go
index 3a5d48dfa3..185434fd91 100644
--- a/tencentcloud/resource_tc_redis_connection_config_test.go
+++ b/tencentcloud/resource_tc_redis_connection_config_test.go
@@ -11,7 +11,7 @@ import (
 
 // go test -i; go test -test.run TestAccTencentCloudRedisConnectionConfigResource_basic -v
 func TestAccTencentCloudRedisConnectionConfigResource_basic(t *testing.T) {
-	t.Parallel()
+	// t.Parallel()
 	resource.Test(t, resource.TestCase{
 		PreCheck:  func() { testAccPreCheck(t) },
 		Providers: testAccProviders,
diff --git a/tencentcloud/resource_tc_redis_param_test.go b/tencentcloud/resource_tc_redis_param_test.go
index c7e379a432..9a53f17ae8 100644
--- a/tencentcloud/resource_tc_redis_param_test.go
+++ b/tencentcloud/resource_tc_redis_param_test.go
@@ -40,6 +40,7 @@ func TestAccTencentCloudRedisParamResource_basic(t *testing.T) {
 					resource.TestCheckResourceAttr("tencentcloud_redis_param.param", "instance_params.timeout", "31536000"),
 					resource.TestCheckResourceAttr("tencentcloud_redis_param.param", "instance_params.zset-max-ziplist-entries", "128"),
 					resource.TestCheckResourceAttr("tencentcloud_redis_param.param", "instance_params.zset-max-ziplist-value", "64"),
+					resource.TestCheckResourceAttr("tencentcloud_redis_param.param", "instance_params.lazyfree-lazy-user-del", "yes"),
 				),
 			},
 			{
@@ -71,6 +72,7 @@ func TestAccTencentCloudRedisParamResource_basic(t *testing.T) {
 					resource.TestCheckResourceAttr("tencentcloud_redis_param.param", "instance_params.timeout", "31536000"),
 					resource.TestCheckResourceAttr("tencentcloud_redis_param.param", "instance_params.zset-max-ziplist-entries", "128"),
 					resource.TestCheckResourceAttr("tencentcloud_redis_param.param", "instance_params.zset-max-ziplist-value", "64"),
+					resource.TestCheckResourceAttr("tencentcloud_redis_param.param", "instance_params.lazyfree-lazy-user-del", "yes"),
 				),
 			},
 		},
@@ -130,6 +132,7 @@ resource "tencentcloud_redis_param" "param" {
         "timeout"                       = "31536000"
         "zset-max-ziplist-entries"      = "128"
         "zset-max-ziplist-value"        = "64"
+		"lazyfree-lazy-user-del"		= "yes"
     }
 }
 
@@ -158,6 +161,7 @@ resource "tencentcloud_redis_param" "param" {
         "timeout"                       = "31536000"
         "zset-max-ziplist-entries"      = "128"
         "zset-max-ziplist-value"        = "64"
+		"lazyfree-lazy-user-del"		= "yes"
     }
 }
 
diff --git a/tencentcloud/resource_tc_redis_read_only_test.go b/tencentcloud/resource_tc_redis_read_only_test.go
index 6d87a0eebb..16a09c4c6c 100644
--- a/tencentcloud/resource_tc_redis_read_only_test.go
+++ b/tencentcloud/resource_tc_redis_read_only_test.go
@@ -8,7 +8,7 @@ import (
 
 // go test -i; go test -test.run TestAccTencentCloudRedisReadOnlyResource_basic -v
 func TestAccTencentCloudRedisReadOnlyResource_basic(t *testing.T) {
-	t.Parallel()
+	// t.Parallel()
 	resource.Test(t, resource.TestCase{
 		PreCheck: func() {
 			testAccPreCheck(t)