Led "timecloud:white:status" not working

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/target/linux/ramips/dts/mt7621_thunder_timecloud.dts

	aliases {
		led-boot = &led_statuso;
		led-failsafe = &led_statuso;
		led-running = &led_statuso;
		led-upgrade = &led_statuso;
	};

	chosen {
		bootargs = "console=ttyS0,115200";
	};

	leds {
		compatible = "gpio-leds";

		statw {
			label = "timecloud:white:status";
			gpios = <&gpio 7 GPIO_ACTIVE_HIGH>;
		};

		led_statuso: stato {
			label = "timecloud:orange:status";
			gpios = <&gpio 8 GPIO_ACTIVE_HIGH>;
		};
	};

Using the following command "timecloud:white:status" does not work either
but "timecloud:orange:status" is ok

root@XZB:/sys/devices/platform/leds/leds/timecloud:orange:status# echo 0 > brightness
root@XZB:/sys/devices/platform/leds/leds/timecloud:orange:status# echo 1 > brightness