diff --git a/Ubiquitous/Nuttx/app_match_nuttx/nuttx/drivers/wireless/lpwan/Kconfig b/Ubiquitous/Nuttx/app_match_nuttx/nuttx/drivers/wireless/lpwan/Kconfig
index dc8cf9255..842502894 100644
--- a/Ubiquitous/Nuttx/app_match_nuttx/nuttx/drivers/wireless/lpwan/Kconfig
+++ b/Ubiquitous/Nuttx/app_match_nuttx/nuttx/drivers/wireless/lpwan/Kconfig
@@ -58,7 +58,7 @@ config LPWAN_SX127X_RXFIFO_LEN
 
 config LPWAN_SX127X_RXFIFO_DATA_LEN
 	int "SX127X RX FIFO data length"
-	default 128
+	default 256
 
 endif #LPWAN_SX127X_RXSUPPORT
 
diff --git a/Ubiquitous/Nuttx/app_match_nuttx/nuttx/drivers/wireless/lpwan/sx127x/sx127x.c b/Ubiquitous/Nuttx/app_match_nuttx/nuttx/drivers/wireless/lpwan/sx127x/sx127x.c
index 57d0f8d0c..f20eafc77 100644
--- a/Ubiquitous/Nuttx/app_match_nuttx/nuttx/drivers/wireless/lpwan/sx127x/sx127x.c
+++ b/Ubiquitous/Nuttx/app_match_nuttx/nuttx/drivers/wireless/lpwan/sx127x/sx127x.c
@@ -903,8 +903,10 @@ static ssize_t sx127x_read(FAR struct file *filep, FAR char *buffer,
     }
 
   /* Get RX data from fifo */
-
+  
+  wlinfo("buflen=%d \n", buflen);
   ret = sx127x_rxfifo_get(dev, (uint8_t *)buffer, buflen);
+
   sx127x_writeregbyte(dev, SX127X_LRM_IRQ, 8);
 
   nxsem_post(&dev->dev_sem);
diff --git a/Ubiquitous/Nuttx/app_match_nuttx/nuttx/include/nuttx/wireless/lpwan/sx127x.h b/Ubiquitous/Nuttx/app_match_nuttx/nuttx/include/nuttx/wireless/lpwan/sx127x.h
index 9b7b31f13..922acc9de 100644
--- a/Ubiquitous/Nuttx/app_match_nuttx/nuttx/include/nuttx/wireless/lpwan/sx127x.h
+++ b/Ubiquitous/Nuttx/app_match_nuttx/nuttx/include/nuttx/wireless/lpwan/sx127x.h
@@ -111,7 +111,7 @@
 #ifdef CONFIG_ADAPTER_LORA_SX1278
 /* Framework connect Lora data */
 
-struct LoraDataFormat
+struct SX127xDataFormat
 {
     uint8_t flame_head;
     uint32_t length;
@@ -134,7 +134,7 @@ struct sx127x_read_hdr_s
   int16_t  rssi;
   uint8_t  reserved[3];
 #ifdef CONFIG_ADAPTER_LORA_SX1278
-  struct LoraDataFormat  data;
+  struct SX127xDataFormat  data;
 #else
   uint8_t  data[SX127X_READ_DATA_MAX];
 #endif