diff --git a/terraform/modules/as/main.tf b/terraform/modules/as/main.tf
index ed423f0..8efabf7 100644
--- a/terraform/modules/as/main.tf
+++ b/terraform/modules/as/main.tf
@@ -13,7 +13,7 @@ resource "tencentcloud_as_scaling_config" "launch_configuration" {
   }
 
   internet_charge_type       = "TRAFFIC_POSTPAID_BY_HOUR"
-#  internet_max_bandwidth_out = var.internet_max_bandwidth_out
+  internet_max_bandwidth_out = var.internet_max_bandwidth_out
   public_ip_assigned         = var.public_ip_assigned
   password                   = var.password
   enhanced_security_service  = var.enhanced_security_service
diff --git a/terraform/modules/as/variables.tf b/terraform/modules/as/variables.tf
index e76475d..47f7147 100644
--- a/terraform/modules/as/variables.tf
+++ b/terraform/modules/as/variables.tf
@@ -47,8 +47,8 @@ variable "is_delete_with_instance" {
 
 variable "internet_max_bandwidth_out" {
   type        = number
-  default     = 10
-  description = "Max bandwidth of Internet access in Mbps. Default is `10`."
+  default     = 0
+  description = "Max bandwidth of Internet access in Mbps. Default is `0`."
 }
 
 variable "public_ip_assigned" {
diff --git a/terraform/variables.tf b/terraform/variables.tf
index 177483b..ed537fc 100644
--- a/terraform/variables.tf
+++ b/terraform/variables.tf
@@ -6,5 +6,5 @@ variable "region" {
 }
 
 variable "availability_zone" {
-  default = "ap-guangzhou-3"
+  default = "ap-guangzhou-6"
 }