diff --git a/other/figures/ETH-PHY.png b/other/figures/ETH-PHY.png
new file mode 100644
index 0000000000000000000000000000000000000000..bb383133de05db2ea572e2d7a4acc13cbace28cb
Binary files /dev/null and b/other/figures/ETH-PHY.png differ
diff --git a/rt-thread-version/rt-thread-standard/application-note/components/network/an0010-lwip-driver-porting.md b/rt-thread-version/rt-thread-standard/application-note/components/network/an0010-lwip-driver-porting.md
index 40796fd63326ee5b37e6b2fcdc851df29e91b298..3890359c7922627474f2b612d2a04f1459e5d80d 100644
--- a/rt-thread-version/rt-thread-standard/application-note/components/network/an0010-lwip-driver-porting.md
+++ b/rt-thread-version/rt-thread-standard/application-note/components/network/an0010-lwip-driver-porting.md
@@ -257,7 +257,7 @@ void rt_hw_stm32_eth_init(void);
 ![开启网卡](figures/net_device.png)
 
 ![开启 lwip](figures/lwip_0.png)
-
+![开启以太网物理层设备](../../../../../other/figures/ETH-PHY.png)
 - 输入命令 scons --target=mdk5 -s 生成 mdk5 工程。
 - 打开工程，打开 drv_eth.c 文件。