diff --git a/sdk/components/pipette_module/pipette_ctrl_module_v2.cpp b/sdk/components/pipette_module/pipette_ctrl_module_v2.cpp
index 4f72e88..1024821 100644
--- a/sdk/components/pipette_module/pipette_ctrl_module_v2.cpp
+++ b/sdk/components/pipette_module/pipette_ctrl_module_v2.cpp
@@ -68,6 +68,18 @@ void PipetteModuleV2::initialize(int32_t id, config_t *config, hardward_config_t
   m_zm->getGState();  // 读取状态，清空下复位标识
   module_active_cfg();
 
+  static ZGPIO PietteGunIO1;
+  PietteGunIO1.initAsInput(PB1, ZGPIO::kMode_pullup, ZGPIO::kIRQ_noIrq, true);  // lld输入高
+
+  m_smtp2.pump_set_io1_mode(2);  // lld输入高
+  m_smtp2.pump_set_io1_state(0);
+  osDelay(100);
+  ZLOGI(TAG, "read io1 state:%d", PietteGunIO1.getState());
+
+  m_smtp2.pump_set_io1_state(1);  // lld输入高
+  osDelay(100);
+  ZLOGI(TAG, "read io1 state:%d", PietteGunIO1.getState());
+  m_smtp2.pump_set_io1_mode(0);  // lld输入高
   // m_smtp2.dumpparam();
 }
 
@@ -131,8 +143,6 @@ int32_t PipetteModuleV2::module_active_cfg() {
   return 0;
 }
 
-
-
 #define XXX_STATE_REG(statekey, action) PROCESS_REG(statekey, action, ACTION_NONE)
 
 int32_t PipetteModuleV2::module_set_reg(int32_t regindex, int32_t val) {
diff --git a/usrc/version.h b/usrc/version.h
index e21d1fb..316860b 100644
--- a/usrc/version.h
+++ b/usrc/version.h
@@ -1,2 +1,2 @@
 #pragma once
-#define APP_VERSION           1202
+#define APP_VERSION           1203