diff --git a/mkdocs.yml b/mkdocs.yml
index 2ff260e..9f574c0 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -82,7 +82,6 @@ nav:
     - First Start : 'helios64/install/first-start.md'
   - Hardware:
     - Overview: 'helios64/hardware.md'
-    - Auto Power On: 'helios64/auto_poweron.md'
     - Button: 'helios64/button.md'
     - Ethernet: 'helios64/ethernet.md'
     - Front Panel: 'helios64/front-panel.md'
@@ -91,13 +90,15 @@ nav:
     - Jumper: 'helios64/jumper.md'
     - LED: 'helios64/led.md'
     - M.2: 'helios64/m2.md'
-    - PMIC: 'helios64/pmic.md'
+    - Power:
+      - Auto Power On: 'helios64/auto_poweron.md'
+      - PMIC: 'helios64/pmic.md'
+      - UPS Battery: 'helios64/ups.md'
     - PWM Fan: 'helios64/pwm.md'
     - RTC: 'helios64/rtc.md'
     - SATA: 'helios64/sata.md'
     - SPI: 'helios64/spi.md'
     - UEXT: 'helios64/uext.md'
-    - UPS Battery: 'helios64/ups.md'
     - USB: 'helios64/usb.md'
   - Documents: 'helios64/docs.md'
 - Helios4: