diff --git a/stm32components b/stm32components
index 03d9638..b3cae2e 160000
--- a/stm32components
+++ b/stm32components
@@ -1 +1 @@
-Subproject commit 03d9638ccbc69971524957a68e51842da0960940
+Subproject commit b3cae2e4945639f0148a5e3034b039f5679151e3
diff --git a/ucomponents/preportional_valve/preportional_valve_ctrl.cpp b/ucomponents/preportional_valve/preportional_valve_ctrl.cpp
index 6c0421e..6117e74 100644
--- a/ucomponents/preportional_valve/preportional_valve_ctrl.cpp
+++ b/ucomponents/preportional_valve/preportional_valve_ctrl.cpp
@@ -10,7 +10,10 @@ using namespace zscanprotocol;
 #define OVERTIME       100
 #define TAG            "PreportionalValveCtrl"
 
-void PreportionalValveCtrl::initialize(UART_HandleTypeDef* huart) { m_modbusBlockHost.initialize(huart); }
+void PreportionalValveCtrl::initialize(UART_HandleTypeDef* huart) {//
+  m_modbusBlockHost.initialize(huart);
+  m_modbusBlockHost.enableDump(true);
+}
 
 int32_t PreportionalValveCtrl::writeReg06(uint8_t slaveAddr, uint16_t regAddr, uint16_t regVal) {
   int32_t err = m_modbusBlockHost.writeReg06(slaveAddr, regAddr, regVal, OVERTIME);