diff --git a/src/configs/project_setting.hpp b/src/configs/project_setting.hpp
index fac8c71..37d7436 100644
--- a/src/configs/project_setting.hpp
+++ b/src/configs/project_setting.hpp
@@ -7,4 +7,17 @@
 
 #define REG_REBOOT_FLAG    0x0000  // 重启标识
 #define REG_DEVICE_ID      0x0001  // 重启标识
-#define REG_EXCEPTION_FLAG 0x0100  // 异常标志位
\ No newline at end of file
+#define REG_EXCEPTION_FLAG 0x0100  // 异常标志位
+
+// #define PROJECT_TYPE_LARGE_SPACE_DISINFECTION 1 // 大空间
+#define PROJECT_TYPE_SMALL_SPACE_DISINFECTION 1  // 小空间
+
+#ifdef PROJECT_TYPE_SMALL_SPACE_DISINFECTION
+#define DISINFECTANT_BUCKET_CAPACITY 2300
+#define PROJECT_NAME                 "small_space_disinfection"
+#endif
+
+#ifdef PROJECT_TYPE_LARGE_SPACE_DISINFECTION
+#define DISINFECTANT_BUCKET_CAPACITY 2300
+#define PROJECT_NAME                 "large_space_disinfection"
+#endif
diff --git a/src/main.cpp b/src/main.cpp
index ffcaa10..1a1b5c7 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -2,6 +2,7 @@
 
 #include <signal.h>
 #include <sqlite3.h>
+#include "iflytop/components/uart_printer/uart_printer.hpp"
 
 using namespace iflytop;
 using namespace core;
@@ -31,7 +32,7 @@ int Main::main(int argc, char *argv[]) {
    * @brief 解析命令行参数
    */
   string test_mode = "false";
-  auto   cli = ((required("--test_mode") & value("test_mode", test_mode)).doc("test_mode"));
+  auto   cli       = ((required("--test_mode") & value("test_mode", test_mode)).doc("test_mode"));
   if (!parse(argc, argv, cli)) {
     test_mode = "false";
     // cout << make_man_page(cli, argv[0]);
@@ -52,12 +53,16 @@ int Main::main(int argc, char *argv[]) {
   logger->info("#");
   logger->info("#  company:{}", "ifytop");
   logger->info("#  version:{}", VERSION);
+  logger->info("#  project:{}", PROJECT_NAME);
   logger->info("#");
   logger->info("build {}.....", "Config");
   // 构造GConfig
   BUILD_AND_REG_SERRVICE(GConfig);
   GET_SERVICE(GConfig)->initialize();
 
+  BUILD_AND_REG_SERRVICE(UartPrinter);
+  GET_SERVICE(UartPrinter)->initialize("/dev/ttyS5", "9600");
+
   /**
    * @brief
    */
diff --git a/src/service/device_io_control_service.cpp b/src/service/device_io_control_service.cpp
index e4d0fa7..084839d 100644
--- a/src/service/device_io_control_service.cpp
+++ b/src/service/device_io_control_service.cpp
@@ -1,4 +1,11 @@
 #include "device_io_control_service.hpp"
+#include <iconv.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "iflytop/components/uart_printer/uart_printer.hpp"
+#include "iflytoplinuxsdk/src/iflytop/components/ziconv.hpp"
 
 using namespace iflytop;
 using namespace std;
@@ -405,3 +412,6 @@ void DeviceIoControlService::warningLightCtrl(int r, int g, int b, int w) {
   lock_guard<recursive_mutex> lock(lock_);
   m_zcanHost->warning_light_ctrl_c1002(1, r, g, b, w);
 }
+
+void DeviceIoControlService::printerTest() {}
+void DeviceIoControlService::printerPrintf(string str) { GET_SERVICE(UartPrinter)->print(ZIconv::utf8_to_gb2312(str)); }
\ No newline at end of file
diff --git a/src/service/device_io_control_service.hpp b/src/service/device_io_control_service.hpp
index dbf5721..1987c9a 100644
--- a/src/service/device_io_control_service.hpp
+++ b/src/service/device_io_control_service.hpp
@@ -77,6 +77,9 @@ class DeviceIoControlService : public enable_shared_from_this<DeviceIoControlSer
   virtual void initialize();
   virtual void startScan();
 
+  void printerPrintf(string str);
+  void printerTest();
+
  public:
   /*******************************************************************************
    *                                 加热片控制                                  *
@@ -162,6 +165,7 @@ class DeviceIoControlService : public enable_shared_from_this<DeviceIoControlSer
   virtual bool getAllSensorData(DeviceIoControlService::all_h2o2sensor_data_t& data);
 
   virtual void warningLightCtrl(int r, int g, int b, int w);
+
  private:
   void updateDisinfectantVolumeSample(float kpa);
 };
diff --git a/src/utils/volume_convertor.hpp b/src/utils/volume_convertor.hpp
index 413aa6e..5fc0698 100644
--- a/src/utils/volume_convertor.hpp
+++ b/src/utils/volume_convertor.hpp
@@ -2,6 +2,7 @@
 #pragma once
 #include <stdio.h>
 
+#include "configs/project_setting.hpp"
 namespace iflytop {
 
 #define PI 3.14159265358979323846
@@ -30,7 +31,29 @@ class VolumeConvertor {
    *     |rb|
    *
    */
+#ifdef PROJECT_TYPE_SMALL_SPACE_DISINFECTION
 
+  float container_h4  = 1.8569;
+  float container_ru4 = 0.67;
+  float container_rb4 = 0.67;
+
+  float container_h3  = 0.15;
+  float container_ru3 = 0.67;
+  float container_rb3 = 0.52;
+
+  float container_h2  = 0.0976;
+  float container_ru2 = 0.52;
+  float container_rb2 = 0.52;
+
+  float container_h1  = 0.0411;
+  float container_ru1 = 0.52;
+  float container_rb1 = 0.05;
+
+  float density = 1000;  // kg/m^3
+
+#endif
+
+#ifdef PROJECT_TYPE_LARGE_SPACE_DISINFECTION
   float container_h4  = 2.2069;
   float container_ru4 = 0.82;
   float container_rb4 = 0.82;
@@ -49,6 +72,8 @@ class VolumeConvertor {
 
   float density = 1000;  // kg/m^3
 
+#endif
+
  public:
   float pressurePa2VolumeG(float _pa);
 
diff --git a/储液桶分段体积计算.pdf b/储液桶分段体积计算.pdf
new file mode 100755
index 0000000..e754c38
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