diff --git a/Ubiquitous/Nuttx_Fusion_XiUOS/app_match_nuttx/nuttx/arch/risc-v/src/k210/k210_fpioa.c b/Ubiquitous/Nuttx_Fusion_XiUOS/app_match_nuttx/nuttx/arch/risc-v/src/k210/k210_fpioa.c
index ad161b9dd..0adcee8db 100644
--- a/Ubiquitous/Nuttx_Fusion_XiUOS/app_match_nuttx/nuttx/arch/risc-v/src/k210/k210_fpioa.c
+++ b/Ubiquitous/Nuttx_Fusion_XiUOS/app_match_nuttx/nuttx/arch/risc-v/src/k210/k210_fpioa.c
@@ -47,11 +47,11 @@ int k210_fpioa_get_io_by_function(uint8_t function)
 {
   int index = 0;
   uint32_t RegValue = 0x0000;
-  uint32_t *fpioa = (uint32_t *)K210_FPIOA_BASE;
+  uint32_t *fpioa_base = (uint32_t *)K210_FPIOA_BASE;
 
   for (index = 0; index < K210_IO_NUMBER; index++)
   {
-      RegValue = getreg32(&fpioa[index]);
+      RegValue = getreg32(&fpioa_base[index]);
       if ((RegValue & 0xFF) == function)
           return index;
   }
@@ -61,7 +61,7 @@ int k210_fpioa_get_io_by_function(uint8_t function)
 
 void k210_fpioa_config(uint32_t io, uint32_t ioflags)
 {
-  uint32_t *fpioa = (uint32_t *)K210_FPIOA_BASE;
+  uint32_t *fpioa_base = (uint32_t *)K210_FPIOA_BASE;
   DEBUGASSERT(io < K210_IO_NUMBER);
-  putreg32(ioflags, &fpioa[io]);
+  putreg32(ioflags, &fpioa_base[io]);
 }