diff --git a/config.yaml b/config.yaml
index be293d6..d0534d1 100644
--- a/config.yaml
+++ b/config.yaml
@@ -1,8 +1,8 @@
 ## node configurations template
 node:
   mode: "multiminer"
-  ## the profile of node: devnet/testnet/testnet2/mainnet
-  profile: "testnet2"
+  ## the profile of node: devnet/testnet/premainnet/mainnet
+  profile: "premainnet"
   # default chain url for miner, can be overwritten in miners[] as below
   chainWsUrl: "ws://127.0.0.1:9944"
 
diff --git a/scripts/utils.sh b/scripts/utils.sh
index 21e7d04..8579a47 100644
--- a/scripts/utils.sh
+++ b/scripts/utils.sh
@@ -14,8 +14,8 @@ set -o pipefail
 
 # --- Global Variables & Constants ---
 # Versioning
-mineradm_version="v0.2.2"
-network_version="testnet2"
+mineradm_version="v0.2.3"
+network_version="CESS Pre-Mainnet Venus Plus"
 
 # Paths
 base_dir="/opt/cess/mineradm"
@@ -25,7 +25,7 @@ build_dir="$base_dir/build"
 compose_yaml="$build_dir/docker-compose.yaml"
 
 # Configuration Profile
-profile="testnet2"
+profile="premainnet"
 
 # System Requirements
 kernel_ver_req="5.11"
@@ -232,7 +232,7 @@ load_profile() {
   local current_profile
   current_profile=$(yq eval ".node.profile" "$config_path")
   case "$current_profile" in
-  devnet | testnet | testnet2 | mainnet)
+  devnet | testnet | premainnet | mainnet)
     profile="$current_profile"
     log_info "Loaded profile: $profile"
     ;;
@@ -294,12 +294,12 @@ set_profile() {
     return
   fi
   case "$to_set" in
-  devnet | testnet | testnet2 | mainnet)
+  devnet | testnet | premainnet | mainnet)
     yq -i eval ".node.profile=\"$to_set\"" "$config_path"
     log_success "Set profile to: $to_set"
     ;;
   *)
-    log_err "Invalid profile value. Choose from: devnet, testnet, testnet2, mainnet"
+    log_err "Invalid profile value. Choose from: devnet, testnet, premainnet, mainnet"
     return 1
     ;;
   esac