diff --git a/Core/Src/sts_lamp_bar.c b/Core/Src/sts_lamp_bar.c
index b211b2d..d666eca 100644
--- a/Core/Src/sts_lamp_bar.c
+++ b/Core/Src/sts_lamp_bar.c
@@ -29,7 +29,7 @@
 #include "yunhorn_sts_sensors.h"
 
 #define ONE_PULSE            				(36) //(36)   //36
-#define ZERO_PULSE            				(12) //(12)
+#define ZERO_PULSE            				(14) //(12)
 
 #define LED_DATA_LEN						24
 //#define WS2812B_DATA_LEN					(LED_DATA_LEN * (STS_LAMP_BAR_LED_NUM))
@@ -108,6 +108,7 @@ void ws2812b_data_transfer(uint8_t *src, uint32_t len)
 	uint32_t bits  = 0;
 	uint32_t bytes = 0;
 	HAL_TIM_PWM_Stop_DMA(&STS_LAMP_BAR_HTIM, STS_LAMP_BAR_TIM_CHANNEL);
+	memset(ws2812b_crr_value,0,sizeof(ws2812b_crr_value));
 	while(len--)
 	{
 		for (i=0; i < 8; i++)
diff --git a/STM32CubeIDE/Release/STS_O7.bin b/STM32CubeIDE/Release/STS_O7.bin
index 4a6efaf..568a959 100644
Binary files a/STM32CubeIDE/Release/STS_O7.bin and b/STM32CubeIDE/Release/STS_O7.bin differ