diff --git a/mkdocs.yml b/mkdocs.yml
index 5a7542c..f18bf10 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -134,6 +134,7 @@ nav:
       - 树莓派电机驱动板: raspberrypi/RaspberryPi-MotorDriverBoard/README.md
   - ESP32产品:
       - maker-esp32: esp32/ESP32.md
+      - esp32-iot: esp32/esp32_iot_board.md
   - 开源硬件:
       - ble-nano: open_source_hardware/ble-nano/ble_nano.md
       - ble-uno: open_source_hardware/Ble-Uno.md