diff --git a/platformio.ini b/platformio.ini
index 2ce6216..99f64fc 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -36,8 +36,8 @@ monitor_speed = 115200
 upload_protocol = esptool
 
 ; Specify port here. Comment out (add ; in front of line) to use auto detection.
-monitor_port = COM4
-upload_port = COM4
+monitor_port = COM5
+upload_port = COM5
 
 
 [env:generic]
@@ -92,4 +92,22 @@ build_flags = ${env.build_flags}
     -DHOYMILES_PIN_IRQ=33
     -DHOYMILES_PIN_CE=14
     -DHOYMILES_PIN_CS=15
-    -DOPENDTU_ETHERNET
\ No newline at end of file
+    -DOPENDTU_ETHERNET
+
+[env:LilyGO_T_ETH_POE]
+; http://www.lilygo.cn/claprod_view.aspx?TypeId=21&Id=1344&FId=t28:21:28
+board = esp32dev
+build_flags = ${env.build_flags}
+    -DHOYMILES_PIN_MISO=2
+    -DHOYMILES_PIN_MOSI=15
+    -DHOYMILES_PIN_SCLK=14
+    -DHOYMILES_PIN_IRQ=34
+    -DHOYMILES_PIN_CE=12
+    -DHOYMILES_PIN_CS=4
+    -DOPENDTU_ETHERNET
+    -DETH_CLK_MODE=ETH_CLOCK_GPIO17_OUT
+    -DETH_POWER_PIN=-1
+    -DETH_TYPE=ETH_PHY_LAN8720
+    -DETH_ADDR=0
+    -DETH_MDC_PIN=23
+    -DETH_MDIO_PIN=18
\ No newline at end of file