diff --git a/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong-riscv64/src/k210_ch438.h b/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong-riscv64/src/k210_ch438.h
index 2f2579904..d6ae94a15 100644
--- a/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong-riscv64/src/k210_ch438.h
+++ b/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong-riscv64/src/k210_ch438.h
@@ -316,7 +316,7 @@
 #define FPIOA_CH438_D2    16
 #define FPIOA_CH438_D3    17
 #define FPIOA_CH438_D4    18
-#define FPIOA_CH438_D5    19
+#define FPIOA_CH438_D5    29
 #define FPIOA_CH438_D6    20
 #define FPIOA_CH438_D7    31