diff --git a/src/db/db_service.cpp b/src/db/db_service.cpp
index 174c25f..1502bd7 100644
--- a/src/db/db_service.cpp
+++ b/src/db/db_service.cpp
@@ -130,10 +130,10 @@ id	setting_name	      setting_name_ch	         val_upper_limit	   val_lower_limi
         storage.insert(Setting{5, "max_humidity", "允许消毒最大湿度", 0, 100, 0, 90});
 
       if (storage.get_all<Setting>(where(c(&Setting::id) == 6)).size() == 0)
-        storage.insert(Setting{6, "drainage_pump_speed", "排液蠕动泵转速", 0, 40, 0, 40});  // g/min
+        storage.insert(Setting{6, "drainage_pump_speed", "排液蠕动泵转速", 0, 90, 0, 90});  // g/min
 
       if (storage.get_all<Setting>(where(c(&Setting::id) == 7)).size() == 0)
-        storage.insert(Setting{7, "injection_pump_speed", "喷射蠕动泵转速", 0, 40, 0, 40});  // g/min
+        storage.insert(Setting{7, "injection_pump_speed", "喷射蠕动泵转速", 0, 50, 0, 50});  // g/min
 
       if (storage.get_all<Setting>(where(c(&Setting::id) == 8)).size() == 0)  //
         storage.insert(Setting{8, "pre_heat_time_s", "预热时间", 0, 600, 0, 120});
diff --git a/src/service/device_io_control_service.cpp b/src/service/device_io_control_service.cpp
index 8b0c2a8..4d0b23a 100644
--- a/src/service/device_io_control_service.cpp
+++ b/src/service/device_io_control_service.cpp
@@ -13,6 +13,9 @@ using namespace std;
 -通断电磁阀      3 PC7 5
 #endif
 
+#define GPM_TO_SPEED(gpm)   (gpm * 3.07)
+#define SPEED_TO_GPM(speed) (speed / 3.07)
+
 DeviceIoControlService::DeviceIoControlService() {}
 void DeviceIoControlService::initialize() { GET_TO_SERVICE(m_zcanHost); }
 
@@ -173,7 +176,7 @@ void DeviceIoControlService::replenishingFluidsPump_close() {
 
 void DeviceIoControlService::replenishingFluidsPump_open_for_test(int gpm) {
   logger->info("replenishingFluidsPump_open_for_test {}", gpm);
-  int speed = gpm * 7.5;
+  int speed = GPM_TO_SPEED(gpm);
   if (speed > 300) {
     speed = 300;
   } else if (speed < -300) {
@@ -190,7 +193,7 @@ void DeviceIoControlService::replenishingFluidsPump_close_for_test() {
  *******************************************************************************/
 void DeviceIoControlService::sprayLiquidPump_open(int gpm) {
   logger->info("sprayLiquidPump_open");
-  int speed = gpm * 7.5;
+  int speed = GPM_TO_SPEED(gpm);
   if (speed > 300) {
     speed = 300;
   } else if (speed < 0) {
@@ -205,7 +208,7 @@ void DeviceIoControlService::sprayLiquidPump_close() {
 
 void DeviceIoControlService::sprayLiquidPump_open_for_test(int gpm) {
   logger->info("sprayLiquidPump_open");
-  int speed = gpm * 7.5;
+  int speed = GPM_TO_SPEED(gpm);
   if (speed > 300) {
     speed = 300;
   } else if (speed < -300) {
@@ -219,7 +222,7 @@ void DeviceIoControlService::sprayLiquidPump_close_for_test() {
 }
 
 int DeviceIoControlService::sprayLiquidPump_getRPM() { return m_zcanHost->pumpctrl_c1004_get_speed_cache(2); }
-int DeviceIoControlService::sprayLiquidPump_getGPM() { return sprayLiquidPump_getRPM() / 7.5; }
+int DeviceIoControlService::sprayLiquidPump_getGPM() { return SPEED_TO_GPM(sprayLiquidPump_getRPM()); }
 
 int DeviceIoControlService::sprayLiquidPump_getState() {  //
   lock_guard<recursive_mutex> lock(lock_);