diff --git a/config/example_config.toml b/config/example_config.toml
index 7991ed5a6..933ccdf8f 100644
--- a/config/example_config.toml
+++ b/config/example_config.toml
@@ -21,11 +21,27 @@
 # `network` contains configuration options for the network module, which manages communication between nodes.
 [network]
 
+  # `network_key` specifies the private key filename to use for node authentication and encryption in the p2p protocol.
+ ## network_key = "network_key"
+
   # `listens` specifies the addresses and ports where the node will listen for incoming connections from other nodes.
  ## listens = ["/ip4/0.0.0.0/tcp/21888", "/ip6/::/tcp/21888", "/ip4/0.0.0.0/udp/21888/quic-v1", "/ip6/::/udp/21888/quic-v1"]
 
-  # `network_key` specifies the private key filename to use for node authentication and encryption in the p2p protocol.
- ## network_key = "network_key"
+  # `relay_addresses` provides the necessary relay addresses. These should be specified if 'enable_relay' is 'true'.
+  # Note: this parameter will be ignored if 'enable_relay' is 'false'.
+ ## relay_addresses = []
+
+  # `addresses` is a list of peer addresses needed for peer discovery.
+  # These addresses are used by the Pactus node to discover and connect to other peers on the network.
+ ## bootstrap_addresses = []
+
+  # `min_connections` is the minimum number of connections that the Pactus node should maintain.
+  # Default is 8
+ ## min_connections = 8
+
+  # `max_connections` is the maximum number of connections that the Pactus node should maintain.
+  # Default is 16
+ ## max_connections = 16
 
   # `enable_nat` indicates whether NAT service should be enabled or not.
   # NAT service allows many machines to share a single public address.
@@ -37,10 +53,6 @@
   # Default is true.
  ## enable_relay = false
 
-  # `relay_addresses` provides the necessary relay addresses. These should be specified if 'enable_relay' is 'true'.
-  # Note: this parameter will be ignored if 'enable_relay' is 'false'.
- ## relay_addresses = []
-
   # `enable_mdns` indicates whether MDNS should be enabled or not.
   # MDNS is a protocol to discover local peers quickly and efficiently.
   # Default is false.
@@ -54,25 +66,6 @@
   # Default is false.
  ## bootstrapper = false
 
-    # `network.bootstrap` contains configuration for bootstrapping the node.
-  [network.bootstrap]
-
-    # `addresses` is a list of peer addresses needed for peer discovery.
-    # These addresses are used by the Pactus node to discover and connect to other peers on the network.
-   ## addresses = ["/ip4/172.104.46.145/tcp/21777/p2p/12D3KooWNYD4bB82YZRXv6oNyYPwc5ozabx2epv75ATV3D8VD3Mq"]
-
-    # `min_threshold` is the minimum number of connections that the Pactus node should maintain.
-    # Default is 8
-   ## min_threshold = 8
-
-    # `max_threshold` is the maximum number of connections that the Pactus node should maintain.
-    # Default is 16
-   ## max_threshold = 16
-
-    # `period` periodically checks to see if the threshold is maintained.
-    # Default is 1 minute
-   ## period = "1m0s"
-
 # `sync` contains configuration of sync module.
 [sync]
 
diff --git a/network/dht.go b/network/dht.go
index 305930257..d410a9c42 100644
--- a/network/dht.go
+++ b/network/dht.go
@@ -10,11 +10,11 @@ import (
 )
 
 type dhtService struct {
-	ctx       context.Context
-	host      lp2phost.Host
-	kademlia  *lp2pdht.IpfsDHT
-	peerMgr *peerMgr
-	logger    *logger.SubLogger
+	ctx      context.Context
+	host     lp2phost.Host
+	kademlia *lp2pdht.IpfsDHT
+	peerMgr  *peerMgr
+	logger   *logger.SubLogger
 }
 
 func newDHTService(ctx context.Context, host lp2phost.Host, protocolID lp2pcore.ProtocolID,
@@ -48,11 +48,11 @@ func newDHTService(ctx context.Context, host lp2phost.Host, protocolID lp2pcore.
 		bootsrapAddrs, conf.MinConns, conf.MaxConns, logger)
 
 	return &dhtService{
-		ctx:       ctx,
-		host:      host,
-		kademlia:  kademlia,
-		peerMgr: bootstrap,
-		logger:    logger,
+		ctx:      ctx,
+		host:     host,
+		kademlia: kademlia,
+		peerMgr:  bootstrap,
+		logger:   logger,
 	}
 }
 
diff --git a/network/utils.go b/network/utils.go
index f493a0491..1e65fcbec 100644
--- a/network/utils.go
+++ b/network/utils.go
@@ -35,7 +35,7 @@ func MakeAddressInfo(addr string) (*lp2ppeer.AddrInfo, error) {
 
 func ConnectAsync(ctx context.Context, h lp2phost.Host, addrInfo lp2ppeer.AddrInfo, logger *logger.SubLogger) {
 	go func() {
-		err := h.Connect(lp2pnetwork.WithDialPeerTimeout(ctx, 10*time.Second), addrInfo)
+		err := h.Connect(lp2pnetwork.WithDialPeerTimeout(ctx, 30*time.Second), addrInfo)
 		if err != nil {
 			if logger != nil {
 				logger.Warn("connection failed", "addr", addrInfo.Addrs, "err", err)
diff --git a/tests/main_test.go b/tests/main_test.go
index e1d5ba292..b8ac5b9e6 100644
--- a/tests/main_test.go
+++ b/tests/main_test.go
@@ -85,9 +85,8 @@ func TestMain(m *testing.M) {
 		tConfigs[i].Network.Bootstrapper = true
 		tConfigs[i].Network.NetworkKey = util.TempFilePath()
 		tConfigs[i].Network.Listens = []string{"/ip4/127.0.0.1/tcp/0", "/ip4/127.0.0.1/udp/0/quic-v1"}
-		tConfigs[i].Network.Bootstrap.Addresses = []string{}
-		tConfigs[i].Network.Bootstrap.Period = 10 * time.Second
-		tConfigs[i].Network.Bootstrap.MinThreshold = 3
+		tConfigs[i].Network.BootstrapAddrs = []string{}
+		tConfigs[i].Network.MinConns = 3
 		tConfigs[i].HTTP.Enable = false
 		tConfigs[i].GRPC.Enable = false