diff --git a/usrc/subboards/subboard20_plate_clamp_case/pri_board.h b/usrc/subboards/subboard20_plate_clamp_case/pri_board.h
index 73d13d5..51b42bc 100644
--- a/usrc/subboards/subboard20_plate_clamp_case/pri_board.h
+++ b/usrc/subboards/subboard20_plate_clamp_case/pri_board.h
@@ -3,8 +3,8 @@
 /***********************************************************************************************************************
  *                                                     板载扩展IO                                                      *
  ***********************************************************************************************************************/
-#define EXT_INPUT_IO0 PinNull, ZGPIO::kMode_nopull, ZGPIO::kIRQ_noIrq, true
-#define EXT_INPUT_IO1 PinNull, ZGPIO::kMode_nopull, ZGPIO::kIRQ_noIrq, true
+#define EXT_INPUT_IO0 PD10, ZGPIO::kMode_nopull, ZGPIO::kIRQ_noIrq, true
+#define EXT_INPUT_IO1 PD11, ZGPIO::kMode_nopull, ZGPIO::kIRQ_noIrq, false
 #define EXT_INPUT_IO2 PinNull, ZGPIO::kMode_nopull, ZGPIO::kIRQ_noIrq, true
 #define EXT_INPUT_IO3 PinNull, ZGPIO::kMode_nopull, ZGPIO::kIRQ_noIrq, true
 #define EXT_INPUT_IO4 PinNull, ZGPIO::kMode_nopull, ZGPIO::kIRQ_noIrq, true