diff --git a/tencentcloud/basic_test.go b/tencentcloud/basic_test.go
index 7501079111..ce1f4d068e 100644
--- a/tencentcloud/basic_test.go
+++ b/tencentcloud/basic_test.go
@@ -66,7 +66,7 @@ const (
 
 	defaultTkeOSImageId   = "img-2lr9q49h"
 	defaultTkeOSImageName = "tlinux2.2(tkernel3)x86_64"
-	defaultEMRSgId        = "sg-qyy7jd2b"
+	defaultEMRSgId        = "sg-mag8k2fj"
 )
 
 // Tke Exclusive Network Environment
diff --git a/tencentcloud/data_source_tc_emr_nodes_test.go b/tencentcloud/data_source_tc_emr_nodes_test.go
index 47c558e320..e3d8240619 100644
--- a/tencentcloud/data_source_tc_emr_nodes_test.go
+++ b/tencentcloud/data_source_tc_emr_nodes_test.go
@@ -13,7 +13,7 @@ func TestAccDataSourceTencentCloudEMRNodes(t *testing.T) {
 		Providers: testAccProviders,
 		Steps: []resource.TestStep{
 			{
-				Config: testAccEMRNodes,
+				Config: testAccEMRNodes(),
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckTencentCloudDataSourceID("data.tencentcloud_emr_nodes.my_emr_nodes"),
 					resource.TestCheckResourceAttr("data.tencentcloud_emr_nodes.my_emr_nodes", "nodes.#", "1"),
@@ -23,52 +23,11 @@ func TestAccDataSourceTencentCloudEMRNodes(t *testing.T) {
 	})
 }
 
-const testAccEMRNodes = `
-
-resource "tencentcloud_emr_cluster" "emrrrr" {
-  product_id=4
-  display_strategy="clusterList"
-  vpc_settings={
-    vpc_id="vpc-4owdpnwr"
-    subnet_id:"subnet-ahv6swf2"
-  }
-  softwares=["zookeeper-3.6.1"]
-  support_ha=0
-  instance_name="emr-test"
-  resource_spec {
-    master_resource_spec {
-  	mem_size=8192
-  	cpu=4
-  	disk_size=100
-  	disk_type="CLOUD_PREMIUM"
-  	spec="CVM.S2"
-  	storage_type=5
-    }
-    core_resource_spec {
-  	mem_size=8192
-  	cpu=4
-  	disk_size=100
-  	disk_type="CLOUD_PREMIUM"
-  	spec="CVM.S2"
-  	storage_type=5
-    }
-    master_count=1
-    core_count=2
-  }
-  login_settings={
-    password="tencent@cloud123"
-  }
-  time_span=3600
-  time_unit="s"
-  pay_mode=0
-  placement={
-    zone="ap-guangzhou-3"
-    project_id=0
-  }
-  sg_id="sg-qyy7jd2b"
-}
+func testAccEMRNodes() string {
+	return testEmrBasic() + `
 data "tencentcloud_emr_nodes" "my_emr_nodes" {
   node_flag="master"
   instance_id=tencentcloud_emr_cluster.emrrrr.instance_id
 }
 `
+}
diff --git a/tencentcloud/resource_tc_emr_cluster.go b/tencentcloud/resource_tc_emr_cluster.go
index 2f8eb67375..c8c4a04c1a 100644
--- a/tencentcloud/resource_tc_emr_cluster.go
+++ b/tencentcloud/resource_tc_emr_cluster.go
@@ -321,11 +321,19 @@ func resourceTencentCloudEmrClusterDelete(d *schema.ResourceData, meta interface
 	emrService := EMRService{
 		client: meta.(*TencentCloudClient).apiV3Conn,
 	}
-	if err := emrService.DeleteInstance(ctx, d); err != nil {
+	instanceId := d.Id()
+	clusters, err := emrService.DescribeInstancesById(ctx, instanceId, DisplayStrategyIsclusterList)
+	if len(clusters) == 0 {
+		return innerErr.New("Not find clusters.")
+	}
+	metaDB := clusters[0].MetaDb
+	if err != nil {
 		return err
 	}
-	instanceId := d.Id()
-	err := resource.Retry(10*readRetryTimeout, func() *resource.RetryError {
+	if err = emrService.DeleteInstance(ctx, d); err != nil {
+		return err
+	}
+	err = resource.Retry(10*readRetryTimeout, func() *resource.RetryError {
 		clusters, err := emrService.DescribeInstancesById(ctx, instanceId, DisplayStrategyIsclusterList)
 
 		if e, ok := err.(*errors.TencentCloudSDKError); ok {
@@ -353,6 +361,23 @@ func resourceTencentCloudEmrClusterDelete(d *schema.ResourceData, meta interface
 	if err != nil {
 		return err
 	}
+
+	if metaDB != nil && *metaDB != "" {
+		// remove metadb
+		mysqlService := MysqlService{client: meta.(*TencentCloudClient).apiV3Conn}
+
+		err = resource.Retry(writeRetryTimeout, func() *resource.RetryError {
+			err := mysqlService.OfflineIsolatedInstances(ctx, *metaDB)
+			if err != nil {
+				return retryError(err, InternalError)
+			}
+			return nil
+		})
+
+		if err != nil {
+			return err
+		}
+	}
 	return nil
 }
 
diff --git a/tencentcloud/resource_tc_eni_test.go b/tencentcloud/resource_tc_eni_test.go
index 7ad11ad3c9..3f3a1f04f4 100644
--- a/tencentcloud/resource_tc_eni_test.go
+++ b/tencentcloud/resource_tc_eni_test.go
@@ -34,7 +34,7 @@ func testSweepEniInstance(region string) error {
 		client: client.apiV3Conn,
 	}
 
-	instances, err := vpcService.DescribeEniByFilters(ctx, nil, nil, nil, nil, nil, nil,nil,nil)
+	instances, err := vpcService.DescribeEniByFilters(ctx, nil, nil, nil, nil, nil, nil, nil, nil)
 	if err != nil {
 		return fmt.Errorf("get instance list error: %s", err.Error())
 	}