diff --git a/interfaces/wifiservice/station_info.h b/interfaces/wifiservice/station_info.h
index 29457d18dbba5f29a77a5245deab57ec34c7b0ff..b3088494bc5e5cbe85f64d5e3cf1be43ad091af7 100644
--- a/interfaces/wifiservice/station_info.h
+++ b/interfaces/wifiservice/station_info.h
@@ -38,8 +38,8 @@
  * @version 1.0
  */
 
-#ifndef _WIFI_STATION_INFO_H
-#define _WIFI_STATION_INFO_H
+#ifndef HARMONY_OS_LITE_WIFI_STATION_INFO_H
+#define HARMONY_OS_LITE_WIFI_STATION_INFO_H
 #include "wifi_device_config.h"
 
 /**
@@ -51,10 +51,14 @@
  * @version 1.0
  */
 typedef struct {
+    /** Network name of the station */
+    char* name;
     /** MAC address. For its length, see {@link WIFI_MAC_LEN}. */
     unsigned char macAddress[WIFI_MAC_LEN];
+    /** IP address of the station */
+    unsigned int ipAddress;
     unsigned short disconnectedReason;
 } StationInfo;
 
-#endif // _WIFI_STATION_INFO_H
+#endif // HARMONY_OS_LITE_WIFI_STATION_INFO_H
 /** @} */
diff --git a/interfaces/wifiservice/wifi_device_config.h b/interfaces/wifiservice/wifi_device_config.h
index b7037a7eef332bf1bcbfedee1778c02f45fc62d4..40355d17a1bc2985872109b40d4f865f27d1efb1 100644
--- a/interfaces/wifiservice/wifi_device_config.h
+++ b/interfaces/wifiservice/wifi_device_config.h
@@ -37,8 +37,8 @@
  * @version 1.0
  */
 
-#ifndef _WIFI_DEVICE_CONFIG_H
-#define _WIFI_DEVICE_CONFIG_H
+#ifndef HARMONY_OS_LITE_WIFI_DEVICE_CONFIG_H
+#define HARMONY_OS_LITE_WIFI_DEVICE_CONFIG_H
 
 /**
  * @brief Indicates the maximum number of Wi-Fi station configurations that can be added using {@link AddDeviceConfig}.
@@ -57,7 +57,8 @@
 /**
  * @brief Indicates the maximum length of a Wi-Fi SSID.
  *
- * The maximum length is 32, and the last bit is reserved and set to <b>\0</b>. \n */
+ * The maximum length is 32, and the last bit is reserved and set to <b>\0</b>. \n
+ */
 #define WIFI_MAX_SSID_LEN 33 // 32 + \0
 /**
  * @brief Indicates the maximum length of a Wi-Fi key.
@@ -76,6 +77,13 @@
  *
  */
 #define WIFI_PSK_LEN 32
+/**
+ * @brief Indicates the maximum number of DNS servers.
+ *
+ * A maximum of two DNS servers are allowed. \n
+ */
+#define WIFI_MAX_DNS_NUM 2
+
 /**
  * @brief Enumerates Wi-Fi security types.
  *
@@ -108,6 +116,38 @@ typedef enum {
     WIFI_PSK_TYPE_HEX,
 } WifiPskType;
 
+/**
+ * @brief Defines the IP configuration of the Wi-Fi device.
+ *
+ * The IP configuration is mainly used for connecting to the device. \n
+ *
+ * @since 3
+ */
+typedef struct {
+    /** IP address of the Wi-Fi device */
+    int ipAddress;
+    /** Gateway of the Wi-Fi device */
+    int gateway;
+    /** DNS server addresses for the Wi-Fi device */
+    int dnsServers[WIFI_MAX_DNS_NUM];
+    /** Subnet mask of the Wi-Fi device */
+    int netmask;
+} IpConfig;
+
+/**
+ * @brief Enumerates IP address types for the Wi-Fi device.
+ *
+ * @since 3
+ */
+typedef enum {
+    /** Static IP address */
+    STATIC,
+    /** IP address dynamically assigned by DHCP */
+    DHCP,
+    /** Unknown IP address type */
+    UNKNOWN
+} IpType;
+
 /**
  * @brief Represents the Wi-Fi station configuration used to connect to a specified Wi-Fi device.
  *
@@ -129,6 +169,10 @@ typedef struct WifiDeviceConfig {
     unsigned int freq;
     /** PSK type, see {@link WifiPskType}. */
     int wapiPskType;
+    /** IP address type */
+    IpType ipType;
+    /** Static IP address */
+    IpConfig staticIp;
 } WifiDeviceConfig;
 
 /**
@@ -169,5 +213,5 @@ typedef struct {
     WifiScanType scanType;
 } WifiScanParams;
 
-#endif // _WIFI_DEVICE_CONFIG_H
+#endif // HARMONY_OS_LITE_WIFI_DEVICE_CONFIG_H
 /** @} */
diff --git a/interfaces/wifiservice/wifi_hotspot.h b/interfaces/wifiservice/wifi_hotspot.h
index db384a28e7c4eeea598c57a50b906e347f0d610e..8d2cb11795eeb974195c766b4207000a6e5ffd1d 100644
--- a/interfaces/wifiservice/wifi_hotspot.h
+++ b/interfaces/wifiservice/wifi_hotspot.h
@@ -36,8 +36,8 @@
  * @version 1.0
  */
 
-#ifndef _WIFI_HOTSPOT_H
-#define _WIFI_HOTSPOT_H
+#ifndef HARMONY_OS_LITE_WIFI_HOTSPOT_H
+#define HARMONY_OS_LITE_WIFI_HOTSPOT_H
 #include "wifi_device.h"
 #include "wifi_error_code.h"
 #include "wifi_hotspot_config.h"
@@ -82,7 +82,8 @@ WifiErrorCode DisableHotspot(void);
  * @return Returns {@link WIFI_SUCCESS} if the hotspot configuration is set; returns an error code defined in
  * {@link WifiErrorCode} otherwise.
  * @since 1.0
- * @version 1.0 */
+ * @version 1.0
+ */
 WifiErrorCode SetHotspotConfig(const HotspotConfig* config);
 
 /**
@@ -138,5 +139,32 @@ WifiErrorCode GetStationList(StationInfo* result, unsigned int* size);
  */
 int GetSignalLevel(int rssi, int band);
 
-#endif // _WIFI_HOTSPOT_H_
+/**
+ * @brief Disconnects from the station with a specified MAC address.
+ *
+ * 
+ * 
+ * @param mac Indicates the pointer to the MAC address of the station.
+ * @param macLen Indicates the length of the MAC address of the station.
+ * @return Returns {@link WIFI_SUCCESS} if the function is successfully called;
+ * returns an error code defined in {@link WifiErrorCode} otherwise.
+ * @since 3
+ */
+WifiErrorCode DisassociateSta(unsigned char* mac, int macLen);
+
+/**
+ * @brief Adds the hotspot transmit power to the beacon.
+ *
+ * After the transmit power is added, the beacon must contain specified IEs. If the minimum transmit power
+ * <b>0xFFFFFFFF</b> is added, the beacon does not contain the IEs. \n
+ * The transmit power is added to the <b>ie</b> field only, exerting no impacts on the transmit power. \n
+ * 
+ * @param power Indicates the transmit power to add.
+ * @return Returns {@link WIFI_SUCCESS} if the function is successfully called; returns an error code defined
+ * in {@link WifiErrorCode} otherwise.
+ * @since 3
+ */
+WifiErrorCode AddTxPowerInfo(int power);
+
+#endif // HARMONY_OS_LITE_WIFI_HOTSPOT_H_
 /** @} */
diff --git a/interfaces/wifiservice/wifi_linked_info.h b/interfaces/wifiservice/wifi_linked_info.h
index e4c84572c8f08bf8530df4cebe0106c16b08b056..4dfdc76c275d64191b560bac24c0eaed4f63c30a 100644
--- a/interfaces/wifiservice/wifi_linked_info.h
+++ b/interfaces/wifiservice/wifi_linked_info.h
@@ -35,8 +35,8 @@
  * @version 1.0
  */
 
-#ifndef _WIFI_LINKED_INFO_H
-#define _WIFI_LINKED_INFO_H
+#ifndef HARMONY_OS_LITE_WIFI_LINKED_INFO_H
+#define HARMONY_OS_LITE_WIFI_LINKED_INFO_H
 #include "wifi_device_config.h"
 
 /**
@@ -72,6 +72,8 @@ typedef struct {
     WifiConnState connState;
     /** Reason for Wi-Fi disconnection */
     unsigned short disconnectedReason;
+    /** IP address of the connected hotspot */
+    int ipAddress;
 } WifiLinkedInfo;
-#endif // _WIFI_LINKED_INFO_H
+#endif // HARMONY_OS_LITE_WIFI_LINKED_INFO_H
 /** @} */