fix: modify vpn gw change

Author: gitmkn

tencentcloud/services/apigateway/data_source_tc_api_gateway_api_app_api.go

@@ -95,8 +95,8 @@ func DataSourceTencentCloudApiGatewayApiAppApi() *schema.Resource {
 							Description: "API authentication type. Possible values are SECRET (key pair authentication), NONE (authentication-free), and OAUTH.",
 						},
 						"api_business_type": {
-							Type:     schema.TypeString,
-							Computed: true,
+							Type:        schema.TypeString,
+							Computed:    true,
 							Description: "Type of OAUTH API. Possible values are NORMAL (Business API), OAUTH (Authorization API).",
 						},
 						"auth_relation_api_id": {

tencentcloud/services/vpn/resource_tc_vpn_gateway.go

@@ -287,7 +287,11 @@ func resourceTencentCloudVpnGatewayRead(d *schema.ResourceData, meta interface{}
 	_ = d.Set("type", gateway.Type)
 	_ = d.Set("create_time", gateway.CreatedTime)
 	_ = d.Set("state", gateway.State)
-	_ = d.Set("prepaid_renew_flag", gateway.RenewFlag)
+	if gateway.RenewFlag != nil {
+		_ = d.Set("prepaid_renew_flag", *gateway.RenewFlag)
+	} else {
+		_ = d.Set("prepaid_renew_flag", svcvpc.VPN_PERIOD_PREPAID_RENEW_FLAG_AUTO_NOTIFY)
+	}
 	_ = d.Set("charge_type", gateway.InstanceChargeType)
 	_ = d.Set("expired_time", gateway.ExpiredTime)
 	_ = d.Set("is_address_blocked", gateway.IsAddressBlocked)