diff --git a/appsrc/service/hardware/device_ctrl_service.cpp b/appsrc/service/hardware/device_ctrl_service.cpp
index b280f65..7c6b78d 100644
--- a/appsrc/service/hardware/device_ctrl_service.cpp
+++ b/appsrc/service/hardware/device_ctrl_service.cpp
@@ -198,12 +198,14 @@ void DeviceIoControlService::WarningLight_setState(int r, int g, int b, int warn
 #define COMPONENT HardwareComponent::PositivePressureProportional
 void DeviceIoControlService::PosiPressureProp_setValve(int valveValue) {  //
   if (isInPc()) return;
-
+  valveValue = valveValue / 100.0 * 255;
   CAN_MASTER->proportionalSetValve(GET_BOARDID(), GET_SUBID(), valveValue);
 }
 int DeviceIoControlService::PosiPressureProp_readPos() {
   if (isInPc()) return 0;
-  return CAN_MASTER->proportionalReadPos(GET_BOARDID(), GET_SUBID());
+  int pos = CAN_MASTER->proportionalReadPos(GET_BOARDID(), GET_SUBID());
+  pos     = pos / 255.0 * 100;
+  return pos;
 }
 bool DeviceIoControlService::PosiPressureProp_isBusy() {
   if (isInPc()) return false;
@@ -214,11 +216,15 @@ bool DeviceIoControlService::PosiPressureProp_isBusy() {
 #define COMPONENT HardwareComponent::NegativePressureProportional
 void DeviceIoControlService::NegaPressureProp_setValve(int valveValue) {
   if (isInPc()) return;
+  valveValue = valveValue / 100.0 * 255;
   CAN_MASTER->proportionalSetValve(GET_BOARDID(), GET_SUBID(), valveValue);
 }
 int DeviceIoControlService::NegaPressureProp_readPos() {
   if (isInPc()) return 0;
-  return CAN_MASTER->proportionalReadPos(GET_BOARDID(), GET_SUBID());
+
+  int pos = CAN_MASTER->proportionalReadPos(GET_BOARDID(), GET_SUBID());
+  pos     = pos / 255.0 * 100;
+  return pos;
 }
 bool DeviceIoControlService::NegaPressureProp_isBusy() {
   if (isInPc()) return false;