diff --git a/bsp/nuvoton/libraries/nu_packages/AudioCodec/acodec_nau8822.c b/bsp/nuvoton/libraries/nu_packages/AudioCodec/acodec_nau8822.c
index 7de9c15119..b553d3e970 100644
--- a/bsp/nuvoton/libraries/nu_packages/AudioCodec/acodec_nau8822.c
+++ b/bsp/nuvoton/libraries/nu_packages/AudioCodec/acodec_nau8822.c
@@ -322,7 +322,7 @@ static rt_err_t nau8822_init(void)
     I2C_WriteNAU8822(48, 0x100);   /* Gain value */
     I2C_WriteNAU8822(50, 0x001);   /* Left DAC connected to LMIX */
     I2C_WriteNAU8822(51, 0x001);   /* Right DAC connected to RMIX */
-    
+
     I2C_WriteNAU8822(0x34, 0x13F);
     I2C_WriteNAU8822(0x35, 0x13F);
 
diff --git a/bsp/nuvoton/libraries/nuc980/Driver/Source/nu_emac.c b/bsp/nuvoton/libraries/nuc980/Driver/Source/nu_emac.c
index c8859295cb..52caa234ec 100644
--- a/bsp/nuvoton/libraries/nuc980/Driver/Source/nu_emac.c
+++ b/bsp/nuvoton/libraries/nuc980/Driver/Source/nu_emac.c
@@ -1134,7 +1134,7 @@ EMAC_DESCRIPTOR_T * EMAC_RecvPktDoneWoRxTrigger(EMAC_MEMMGR_T *psMemMgr)
     /* Get Rx Frame Descriptor */
     EMAC_DESCRIPTOR_T *desc = (EMAC_DESCRIPTOR_T *)psMemMgr->psCurrentRxDesc;
     EMAC_DESCRIPTOR_T *ret = desc;
- 
+
     /* Restore descriptor link list and data pointer they will be overwrite if time stamp enabled */
     desc->u32Data = desc->u32Backup1;
     desc->u32Next = desc->u32Backup2;
diff --git a/bsp/nuvoton/libraries/nuc980/rtt_port/drv_emac.c b/bsp/nuvoton/libraries/nuc980/rtt_port/drv_emac.c
index a26f8cc7df..81c3e31372 100644
--- a/bsp/nuvoton/libraries/nuc980/rtt_port/drv_emac.c
+++ b/bsp/nuvoton/libraries/nuc980/rtt_port/drv_emac.c
@@ -461,7 +461,7 @@ void nu_emac_pbuf_free(struct pbuf *p)
 
     //rt_kprintf("%08x %08x\n",my_buf, my_buf->rx_desc);
 
-    /* Update RX descriptor & trigger */    
+    /* Update RX descriptor & trigger */
     EMAC_RxTrigger(my_buf->psMemMgr, my_buf->rx_desc);
 
     memp_free_pool(my_buf->memp_rx_pool, my_buf);
@@ -483,7 +483,7 @@ static struct pbuf *nu_emac_rx(rt_device_t dev)
         nu_emac_lwip_pbuf_t my_pbuf  = (nu_emac_lwip_pbuf_t)memp_malloc_pool(psNuEmac->memp_rx_pool);
         if (my_pbuf != RT_NULL)
         {
-    
+
             my_pbuf->p.custom_free_function = nu_emac_pbuf_free;
             my_pbuf->psPktFrameDataBuf      = (EMAC_FRAME_T *)pu8DataBuf;
             my_pbuf->rx_desc                = cur_rx;