diff --git a/board/RHF0M0E5_STM32WLE5xx/BSP/Middlewares/LoRaWAN/Mac/region/RegionCN470ALI.h b/board/RHF0M0E5_STM32WLE5xx/BSP/Middlewares/LoRaWAN/Mac/region/RegionCN470ALI.h
index ec4110c2..8f0ae7ec 100644
--- a/board/RHF0M0E5_STM32WLE5xx/BSP/Middlewares/LoRaWAN/Mac/region/RegionCN470ALI.h
+++ b/board/RHF0M0E5_STM32WLE5xx/BSP/Middlewares/LoRaWAN/Mac/region/RegionCN470ALI.h
@@ -71,8 +71,8 @@
 
 
 
-#define ALI_DOWNLINK_FREQ  		 ALI_FREQ470_S
-#define ALI_RX2WIN_FREQ          ALI_RX_WND_2_FREQ_1A2S_1B2D
+#define ALI_DOWNLINK_FREQ  		 ALI_FREQ470_D
+#define ALI_RX2WIN_FREQ          ALI_RX_WND_2_FREQ_1A2D_1B2S
 #define ALI_BEACON_FREQ               
 
 
diff --git a/board/RHF0M0E5_STM32WLE5xx/KEIL/lorawan/App/app_lorawan.c b/board/RHF0M0E5_STM32WLE5xx/KEIL/lorawan/App/app_lorawan.c
index 4e6fba42..05269e7e 100644
--- a/board/RHF0M0E5_STM32WLE5xx/KEIL/lorawan/App/app_lorawan.c
+++ b/board/RHF0M0E5_STM32WLE5xx/KEIL/lorawan/App/app_lorawan.c
@@ -53,7 +53,8 @@ static void cycle_send_event(void *context);
 static void Lora_start_send(void);
 
 k_task_t	lora_mac_process_task;
-k_stack_t	lora_mac_process_task_stack[512];
+//4096 is miniest stack size to work normally
+k_stack_t	lora_mac_process_task_stack[4096];
 
 k_sem_t	lora_mac_process_sem;
 
diff --git a/board/RHF0M0E5_STM32WLE5xx/KEIL/lorawan/TencentOS_Tiny.uvoptx b/board/RHF0M0E5_STM32WLE5xx/KEIL/lorawan/TencentOS_Tiny.uvoptx
index 3eb26311..ddf321e4 100644
--- a/board/RHF0M0E5_STM32WLE5xx/KEIL/lorawan/TencentOS_Tiny.uvoptx
+++ b/board/RHF0M0E5_STM32WLE5xx/KEIL/lorawan/TencentOS_Tiny.uvoptx
@@ -1397,7 +1397,7 @@
 
   <Group>
     <GroupName>lorawan/region</GroupName>
-    <tvExp>0</tvExp>
+    <tvExp>1</tvExp>
     <tvExpOptDlg>0</tvExpOptDlg>
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>