diff --git a/Core/Inc/main.h b/Core/Inc/main.h
index 53bc1f6..772ea49 100644
--- a/Core/Inc/main.h
+++ b/Core/Inc/main.h
@@ -352,9 +352,9 @@ void Error_Handler(void);
 /*
  * STM32WL55, STM32WLE5 Clock=48Mhz 48,000,000/800khz = 60
  */
-#define STS_LAMP_BAR_PWM_TIM_PERIOD     (240 - 1)
+#define STS_LAMP_BAR_PWM_TIM_PERIOD     (60 - 1)
 #define STS_LAMP_BAR_HTIM               htim1
-//#define STS_LAMP_BAR_LED_NUM            (14)	//60 for 46CM length LED strip
+#define STS_LAMP_BAR_LED_NUM            (18)	//60 for 46CM length LED strip
 
 #define WSDATA_PORT_PIN_PA8
 //#define WSDATA_PORT_PIN_PA9
diff --git a/Core/Src/sts_lamp_bar.c b/Core/Src/sts_lamp_bar.c
index 54d0525..0a5e7a5 100644
--- a/Core/Src/sts_lamp_bar.c
+++ b/Core/Src/sts_lamp_bar.c
@@ -30,23 +30,23 @@
 
 #define ONE_PULSE            				(24)   //36
 #define ZERO_PULSE            				(12)
-#define STS_LAMP_BAR_LED_NUM            	(27)	//60 for 46CM length LED strip
+//#define STS_LAMP_BAR_LED_NUM            	(27)	//60 for 46CM length LED strip
 #define LED_DATA_LEN						24
 #define WS2812B_DATA_LEN					(LED_DATA_LEN * (STS_LAMP_BAR_LED_NUM))
 #define	RESET_PULSE							(16)  //(80)  TO FIX DARK_COLOR AND SM2
 
 
 typedef struct ws2812b_e {
-	//uint16_t	head[3];
-	uint16_t	GRB[WS2812B_DATA_LEN+RESET_PULSE];
-	uint16_t	tail[RESET_PULSE];
+	uint8_t	head[3];
+	uint8_t	GRB[WS2812B_DATA_LEN+RESET_PULSE];
+	uint8_t	tail[RESET_PULSE];
 } WS2812B_FrameTypeDef;
 
 volatile WS2812B_FrameTypeDef rgb_buf = {
-//		.head[0] = 10,
-//		.head[1] = 10,
-//		.head[2] = 10,
-		//.tail 	 = 00
+		.head[0] = 0,
+		.head[1] = 0,
+		.head[2] = 0,
+		.tail 	 = {00}
 };
 
 uint8_t color_rgb[8][3] = { //STS_COLOR R G B MAPPING TABLE
@@ -101,7 +101,7 @@ void STS_WS2812B_Refresh(void)
 {
 
 	HAL_TIM_PWM_Start_DMA(&STS_LAMP_BAR_HTIM, STS_LAMP_BAR_TIM_CHANNEL, (uint32_t *)&rgb_buf, (WS2812B_DATA_LEN+RESET_PULSE));
-	HAL_TIM_PWM_Start_IT(&STS_LAMP_BAR_HTIM, STS_LAMP_BAR_TIM_CHANNEL);
+	//HAL_TIM_PWM_Start_IT(&STS_LAMP_BAR_HTIM, STS_LAMP_BAR_TIM_CHANNEL);
 }
 
 void STS_Lamp_Bar_Init(void)
@@ -127,7 +127,7 @@ void STS_Lamp_Bar_Scoller(uint8_t color, uint8_t lum_level)
 
 	for(uint8_t i = 0; i<STS_LAMP_BAR_LED_NUM; i++)
 	{
-		HAL_Delay(30);		//MAKE THIS LESS THAN 10 NOT TO BLOCK JOIN THE LORAWAN
+		HAL_Delay(10);		//MAKE THIS LESS THAN 10 NOT TO BLOCK JOIN THE LORAWAN
 		STS_WS2812B_Set_RGB(color_rgb[color][0]*lum_level,color_rgb[color][1]*lum_level, color_rgb[color][2]*lum_level, i);
 		STS_WS2812B_Refresh();
 	}
@@ -162,8 +162,8 @@ void STS_Lamp_Bar_Set_RGB_Color(uint8_t red, uint8_t green, uint8_t blue )
 			bits++;
 		}
 	}
-	for (i=0; i < RESET_PULSE; i++)
-	rgb_buf.tail[i] = 0;
+	//for (i=0; i < RESET_PULSE; i++)
+	//rgb_buf.tail[i] = 0;
 		STS_WS2812B_Refresh();
 }
 
diff --git a/Core/Src/tim.c b/Core/Src/tim.c
index 180ec49..a5d3344 100644
--- a/Core/Src/tim.c
+++ b/Core/Src/tim.c
@@ -131,9 +131,9 @@ void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* tim_baseHandle)
     hdma_tim1_ch1.Init.PeriphInc = DMA_PINC_DISABLE;
     hdma_tim1_ch1.Init.MemInc = DMA_MINC_ENABLE;
     hdma_tim1_ch1.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD;
-    hdma_tim1_ch1.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD; //DMA_MDATAALIGN_BYTE; //DMA_MDATAALIGN_HALFWORD; 		//DMA_MDATAALIGN_HALFWORD;
+    hdma_tim1_ch1.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE; //DMA_MDATAALIGN_BYTE; //DMA_MDATAALIGN_HALFWORD; 		//DMA_MDATAALIGN_HALFWORD;
     hdma_tim1_ch1.Init.Mode = DMA_CIRCULAR;
-    hdma_tim1_ch1.Init.Priority = DMA_PRIORITY_LOW;		//was HIGH
+    hdma_tim1_ch1.Init.Priority = DMA_PRIORITY_HIGH;		//was HIGH
 
     if (HAL_DMA_Init(&hdma_tim1_ch1) != HAL_OK)
     {
diff --git a/LoRaWAN/App/lora_app.c b/LoRaWAN/App/lora_app.c
index 85f7239..ff042f4 100644
--- a/LoRaWAN/App/lora_app.c
+++ b/LoRaWAN/App/lora_app.c
@@ -503,7 +503,7 @@ void LoRaWAN_Init(void)
   UTIL_TIMER_Create(&RxLedTimer, LED_PERIOD_TIME, UTIL_TIMER_ONESHOT, OnRxTimerLedEvent, NULL);
   UTIL_TIMER_Create(&JoinLedTimer, LED_PERIOD_TIME, UTIL_TIMER_PERIODIC, OnJoinTimerLedEvent, NULL);
   UTIL_TIMER_Create(&STSLampBarColorTimer, LED_PERIOD_TIME, UTIL_TIMER_ONESHOT, OnYunhornSTSLampBarColorTimerEvent, NULL);
-  UTIL_TIMER_Create(&STSDurationCheckTimer, 5000, UTIL_TIMER_PERIODIC, OnYunhornSTSDurationCheckTimerEvent, NULL);
+  UTIL_TIMER_Create(&STSDurationCheckTimer, 10000, UTIL_TIMER_PERIODIC, OnYunhornSTSDurationCheckTimerEvent, NULL);
 
   if (FLASH_IF_Init(NULL) != FLASH_IF_OK)
   {
diff --git a/STM32CubeIDE/Release/WLE5CC_NODE_STS.bin b/STM32CubeIDE/Release/WLE5CC_NODE_STS.bin
index 75cbca4..0934503 100644
Binary files a/STM32CubeIDE/Release/WLE5CC_NODE_STS.bin and b/STM32CubeIDE/Release/WLE5CC_NODE_STS.bin differ
diff --git a/STM32CubeIDE/Release/WLE5CC_NODE_STS.elf b/STM32CubeIDE/Release/WLE5CC_NODE_STS.elf
index 064dc45..d9aef45 100644
Binary files a/STM32CubeIDE/Release/WLE5CC_NODE_STS.elf and b/STM32CubeIDE/Release/WLE5CC_NODE_STS.elf differ