diff --git a/Ubiquitous/RT_Thread/aiit_board/xidatong/board/Kconfig b/Ubiquitous/RT_Thread/aiit_board/xidatong/board/Kconfig
index 3c2355e2b..ce132f12a 100644
--- a/Ubiquitous/RT_Thread/aiit_board/xidatong/board/Kconfig
+++ b/Ubiquitous/RT_Thread/aiit_board/xidatong/board/Kconfig
@@ -210,6 +210,39 @@ menu "Onboard Peripheral Drivers"
     config BSP_USING_SDRAM
         bool "Enable SDRAM"
         default n
+    
+    menuconfig BSP_USING_ETH
+	bool "Enable Ethernet"
+	select RT_USING_NETDEV
+	default n
+	if BSP_USING_ETH
+		config BSP_USING_PHY
+            select RT_USING_PHY
+			bool "Enable ethernet phy"
+			default y
+
+	    if BSP_USING_PHY
+            config PHY_DEVICE_ADDRESS
+                int "Specify address of phy device"
+                default 0
+
+            config PHY_USING_8720A
+                bool "xidatong use LAN8720A phy"
+                default y
+
+            if PHY_USING_8720A
+                config PHY_RESET_PORT
+                    int "indicate port of reset"
+                    default 1
+
+                config PHY_RESET_PIN
+                    int "indicate pin of reset"
+                    default 3
+            endif
+
+        endif
+	endif
+
 endmenu
 
 
diff --git a/Ubiquitous/RT_Thread/aiit_board/xidatong/board/SConscript b/Ubiquitous/RT_Thread/aiit_board/xidatong/board/SConscript
index 82349a3db..5e0d423ee 100644
--- a/Ubiquitous/RT_Thread/aiit_board/xidatong/board/SConscript
+++ b/Ubiquitous/RT_Thread/aiit_board/xidatong/board/SConscript
@@ -11,7 +11,8 @@ MCUX_Config/pin_mux.c
 
 CPPPATH = [cwd,cwd + '/MCUX_Config',cwd + '/ports']
 CPPDEFINES = ['CPU_MIMXRT1052CVL5B', 'SKIP_SYSCLK_INIT', 'EVK_MCIMXRM', 'FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL=1','XIP_EXTERNAL_FLASH=1']
-
+if GetDepend('BSP_USING_PHY') and GetDepend('PHY_USING_8720A'):
+    src += ['./ports/LAN8720A.c']
 group = DefineGroup('Drivers', src, depend = [''], CPPPATH = CPPPATH, CPPDEFINES=CPPDEFINES)
 
 Return('group')