diff --git a/firmware/target/arm/rk27xx/rk27generic/power-rk27generic.c b/firmware/target/arm/rk27xx/rk27generic/power-rk27generic.c
index 5c2abeb121..45cc390d13 100644
--- a/firmware/target/arm/rk27xx/rk27generic/power-rk27generic.c
+++ b/firmware/target/arm/rk27xx/rk27generic/power-rk27generic.c
@@ -28,7 +28,8 @@
 
 void power_off(void)
 {
-
+    GPIO_PCCON &= ~(1<<0);
+    while(1);
 }
 
 void power_init(void)