diff --git a/components/net/lwip-dhcpd/dhcp_server_raw.c b/components/net/lwip-dhcpd/dhcp_server_raw.c
index 92fd11671c..6273600b79 100644
--- a/components/net/lwip-dhcpd/dhcp_server_raw.c
+++ b/components/net/lwip-dhcpd/dhcp_server_raw.c
@@ -1,7 +1,7 @@
 /*
  * File      : dhcp_server_raw.c
  *             A simple DHCP server implementation
- * COPYRIGHT (C) 2011-2018, Shanghai Real-Thread Technology Co., Ltd
+ * COPYRIGHT (C) 2011-2023, Shanghai Real-Thread Technology Co., Ltd
  * http://www.rt-thread.com
  * All rights reserved.
  *
@@ -161,8 +161,7 @@ dhcp_client_find_by_mac(struct dhcp_server *dhcpserver, const u8_t *chaddr, u8_t
 * Find a dhcp client node by ip address
 *
 * @param dhcpserver The dhcp server
-* @param chaddr Mac address
-* @param hlen   Mac address length
+* @param ip IP address
 * @return dhcp client node
 */
 static struct dhcp_client_node *
@@ -182,11 +181,12 @@ dhcp_client_find_by_ip(struct dhcp_server *dhcpserver, const ip4_addr_t *ip)
 }
 
 /**
-* Find a dhcp client node by ip address
+* Find a dhcp client node by dhcp message
 *
-* @param dhcpserver The dhcp server
-* @param chaddr Mac address
-* @param hlen   Mac address length
+* @param dhcpserver is the dhcp server
+* @param msg is the dhcp message
+* @param opt_buf is the optional buffer
+* @param len is the buffer length
 * @return dhcp client node
 */
 static struct dhcp_client_node *
@@ -217,11 +217,12 @@ dhcp_client_find(struct dhcp_server *dhcpserver, struct dhcp_msg *msg,
 }
 
 /**
-* Find a dhcp client node by ip address
+* Allocate a dhcp client node by dhcp message
 *
-* @param dhcpserver The dhcp server
-* @param chaddr Mac address
-* @param hlen   Mac address length
+* @param dhcpserver is the dhcp server
+* @param msg is the dhcp message
+* @param opt_buf is the optional buffer
+* @param len is the buffer length
 * @return dhcp client node
 */
 static struct dhcp_client_node *
@@ -604,7 +605,7 @@ free_pbuf_and_return:
 *
 * @param netif The netif which use dhcp server
 * @param start The Start IP address
-* @param end The netif which use dhcp server
+* @param end The End IP address
 * @return lwIP error code
 * - ERR_OK - No error
 * - ERR_MEM - Out of memory
diff --git a/components/net/lwip-nat/ipv4_nat.c b/components/net/lwip-nat/ipv4_nat.c
index e42311d28f..fe562c9cf9 100644
--- a/components/net/lwip-nat/ipv4_nat.c
+++ b/components/net/lwip-nat/ipv4_nat.c
@@ -752,7 +752,6 @@ ip_nat_cmn_init(ip_nat_conf_t *nat_config, const struct ip_hdr *iphdr, ip_nat_en
  * This function checks for incoming packets if we already have a NAT entry.
  * If yes a pointer to the NAT entry is returned. Otherwise NULL.
  *
- * @param nat_config NAT configuration.
  * @param iphdr The IP header.
  * @param udphdr The UDP header.
  * @return A pointer to an existing NAT entry or
@@ -783,6 +782,7 @@ ip_nat_udp_lookup_incoming(const struct ip_hdr *iphdr, const struct udp_hdr *udp
  * This function checks if we already have a NAT entry for this UDP connection.
  * If yes the a pointer to this NAT entry is returned.
  *
+ * @param nat_config NAT config entry
  * @param iphdr The IP header.
  * @param udphdr The UDP header.
  * @param allocate If no existing NAT entry is found and this flag is true
@@ -837,7 +837,6 @@ ip_nat_udp_lookup_outgoing(ip_nat_conf_t *nat_config, const struct ip_hdr *iphdr
  * This function checks for incoming packets if we already have a NAT entry.
  * If yes a pointer to the NAT entry is returned. Otherwise NULL.
  *
- * @param nat_config NAT configuration.
  * @param iphdr The IP header.
  * @param tcphdr The TCP header.
  * @return A pointer to an existing NAT entry or NULL if none is found.
@@ -868,6 +867,7 @@ ip_nat_tcp_lookup_incoming(const struct ip_hdr *iphdr, const struct tcp_hdr *tcp
  * This function checks if we already have a NAT entry for this TCP connection.
  * If yes the a pointer to this NAT entry is returned.
  *
+ * @param nat_config NAT config entry
  * @param iphdr The IP header.
  * @param tcphdr The TCP header.
  * @param allocate If no existing NAT entry is found and this flag is true
diff --git a/components/net/netdev/src/netdev.c b/components/net/netdev/src/netdev.c
index b41351dd39..db0f21434f 100644
--- a/components/net/netdev/src/netdev.c
+++ b/components/net/netdev/src/netdev.c
@@ -211,7 +211,7 @@ struct netdev *netdev_get_first_by_flags(uint16_t flags)
  * This function will get the first network interface device
  * in network interface device list by IP address.
  *
- * @param addr the network interface device IP address
+ * @param ip_addr the network interface device IP address
  *
  * @return != NULL: network interface device object
  *            NULL: get failed
@@ -456,7 +456,7 @@ int netdev_dhcp_enabled(struct netdev *netdev, rt_bool_t is_enabled)
  * This function will set network interface device IP address.
  *
  * @param netdev the network interface device to change
- * @param ipaddr the new IP address
+ * @param ip_addr the new IP address
  *
  * @return  0: set IP address successfully
  *         -1: set IP address failed
@@ -516,7 +516,7 @@ int netdev_set_netmask(struct netdev *netdev, const ip_addr_t *netmask)
  * This function will set network interface device gateway address.
  *
  * @param netdev the network interface device to change
- * @param gateway the new gateway address
+ * @param gw the new gateway address
  *
  * @return  0: set gateway address successfully
  *         -1: set gateway address failed
@@ -546,6 +546,7 @@ int netdev_set_gw(struct netdev *netdev, const ip_addr_t *gw)
  * This function will set network interface device DNS server address.
  *
  * @param netdev the network interface device to change
+ * @param dns_num the number of the DNS server
  * @param dns_server the new DNS server address
  *
  * @return  0: set netmask address successfully
@@ -606,7 +607,7 @@ void netdev_set_addr_callback(struct netdev *netdev, netdev_callback_fn addr_cal
  * @NOTE it can only be called in the network interface device driver.
  *
  * @param netdev the network interface device to change
- * @param ipaddr the new IP address
+ * @param ip_addr the new IP address
  */
 void netdev_low_level_set_ipaddr(struct netdev *netdev, const ip_addr_t *ip_addr)
 {
@@ -669,7 +670,7 @@ void netdev_low_level_set_netmask(struct netdev *netdev, const ip_addr_t *netmas
  * @NOTE it can only be called in the network interface device driver.
  *
  * @param netdev the network interface device to change
- * @param gateway the new gateway address
+ * @param gw the new gateway address
  */
 void netdev_low_level_set_gw(struct netdev *netdev, const ip_addr_t *gw)
 {
@@ -701,6 +702,7 @@ void netdev_low_level_set_gw(struct netdev *netdev, const ip_addr_t *gw)
  * @NOTE it can only be called in the network interface device driver.
  *
  * @param netdev the network interface device to change
+ * @param dns_num the number of the DNS server
  * @param dns_server the new DNS server address
  *
  */