diff --git a/README.md b/README.md
index a0e2f09..83822b1 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,8 @@ v1.0
     1. 预热时间数值从配置文件获取
     2. 支持打印机
     3. 修改加热片等大功率设备，安全继电器打开延迟50ms->500ms
-
 V1.1
     1. 添加消毒结果打印
+V1.2
+    1. 修改桶液体计算公式
 ```
\ No newline at end of file
diff --git a/src/service/device_io_control_service.cpp b/src/service/device_io_control_service.cpp
index 2d3669a..752a7ec 100644
--- a/src/service/device_io_control_service.cpp
+++ b/src/service/device_io_control_service.cpp
@@ -266,9 +266,7 @@ int DeviceIoControlService::getDisinfectantVolume_g() {
    * @brief
    *  int g = 2.11 * kpa * 1000 * 1.3; //直径 164 ,82
    */
-
   int g = 2.11 * (67 * 67 / 82.0 / 82.0) * kpa * 1000 * 1.3;  // 直径 134 ,67
-
   if (g < 450) { /**/
     return 0;
   } else {
diff --git a/src/version.hpp b/src/version.hpp
index caa3055..ad8ec44 100644
--- a/src/version.hpp
+++ b/src/version.hpp
@@ -1,2 +1,2 @@
 #pragma once
-#define VERSION "1.1"
\ No newline at end of file
+#define VERSION "1.2"
\ No newline at end of file