diff --git a/src/configs/project_setting.hpp b/src/configs/project_setting.hpp
index f79d8d2..3d1d925 100644
--- a/src/configs/project_setting.hpp
+++ b/src/configs/project_setting.hpp
@@ -28,6 +28,8 @@
 #define SPRAY_LIQUID_PUMP_MIRROR 0
 #define GPM_TO_SPEED(gpm)   (gpm * 14.7)
 #define SPEED_TO_GPM(speed) ((speed / 14.7) + 0.5)
+#define SPRAYLIQUID_PUMP_MAX_GPM 40
+
 #endif
 
 #ifdef PROJECT_TYPE_SMALL_SPACE_DISINFECTION
@@ -40,6 +42,8 @@
 #define SPRAY_LIQUID_PUMP_MIRROR 0
 #define GPM_TO_SPEED(gpm)   (gpm * 14.7)
 #define SPEED_TO_GPM(speed) ((speed / 14.7) + 0.5)
+#define SPRAYLIQUID_PUMP_MAX_GPM 40
+
 #endif
 
 #ifdef PROJECT_TYPE_PIPE_DISINFECTION
@@ -52,6 +56,8 @@
 #define SPRAY_LIQUID_PUMP_MIRROR 0
 #define GPM_TO_SPEED(gpm)   (gpm * 14.7)
 #define SPEED_TO_GPM(speed) ((speed / 14.7) + 0.5)
+#define SPRAYLIQUID_PUMP_MAX_GPM 40
+
 #endif
 
 #ifdef PROJECT_TYPE_DRAW_BAR_BOX
@@ -64,9 +70,9 @@
 #define SPRAY_LIQUID_PUMP_MIRROR 1
 #define GPM_TO_SPEED(gpm)   (gpm * 41.97)
 #define SPEED_TO_GPM(speed) ((speed / 41.97) + 0.5)
+#define SPRAYLIQUID_PUMP_MAX_GPM 8
 #endif
 
-#define SPRAYLIQUID_PUMP_MAX_GPM 40
 #define EMTPTY_LINE_WHEN_DISINFECTION 60
 
 #define MAX_DISINFECTIONLOGGER_FILE_NUM     10  // 最大日志文件数量
diff --git a/src/service/disfection_ctl/add_liquid_service.cpp b/src/service/disfection_ctl/add_liquid_service.cpp
index 650e252..7066294 100644
--- a/src/service/disfection_ctl/add_liquid_service.cpp
+++ b/src/service/disfection_ctl/add_liquid_service.cpp
@@ -69,7 +69,7 @@ void AddLiquidService::startReplenishingFluids(int stopatg) {
     // 排空管路中的消毒液
 
     logger->info("start drain the liquid from the line");
-    m_deviceIoControlService->sprayLiquidPump_open(-40);  // 40gpm 约等于450RPM
+    m_deviceIoControlService->sprayLiquidPump_open(-SPRAYLIQUID_PUMP_MAX_GPM);  // 40gpm 约等于450RPM
     thisThread.sleepForMs(1000);
     m_deviceIoControlService->replenishingFluidsPump_open(-23);