diff --git a/APP/main.c b/APP/main.c
index a0554a1..d843185 100644
--- a/APP/main.c
+++ b/APP/main.c
@@ -390,7 +390,7 @@ void exception_monitor_schedule() {
      * @brief 监控功率变化情况
      * 当频率已经调整到了可调范围的最低时候,功率依然大于期望功率,则触发异常
      */
-    if (ozone_control_get_ozone_power() > (ozone_control_get_expect_power() + const_expect_power_windonws) &&  //
+    if (ozone_control_get_ozone_power() > (ozone_control_get_expect_power() + EXPECT_POWER_WINDONWS) &&  //
         ozone_control_get_working_state()->nowfreq == ozone_control_get_working_state()->resonant_frequency) {
       trigger_exception(kPowerOutOfControl);
       return;
diff --git a/APP/service/ozone_control_service.c b/APP/service/ozone_control_service.c
index ef64060..d8a5595 100644
--- a/APP/service/ozone_control_service.c
+++ b/APP/service/ozone_control_service.c
@@ -91,9 +91,9 @@ static float mf_get_ozone_power() { return kalmanFilter(&KFPConfig, __mf_get_ozo
 float get_expect_power() {
   float expectpower = 0;
   if (thisDevice.level == klevel1) {
-    expectpower = const_level1_expect_power;
+    expectpower = LEVEL1_EXPECT_POWER;
   } else if (thisDevice.level == klevel2) {
-    expectpower = const_level2_expect_power;
+    expectpower = LEVEL2_EXPECT_POWER;
   }
   return expectpower;
 }
@@ -167,8 +167,8 @@ static state_machine_state_t* processWorkingState(state_machine_t* machine, stat
       /**
        *  检查当前功率是否在期望功率窗口之外时候([expertpower+window,expertpower-window])，
        */
-      if (nowpower < (get_expect_power() - const_expect_power_windonws) ||  //
-          nowpower > (get_expect_power() + const_expect_power_windonws)) {
+      if (nowpower < (get_expect_power() - EXPECT_POWER_WINDONWS) ||  //
+          nowpower > (get_expect_power() + EXPECT_POWER_WINDONWS)) {
         s_workingstate.adjustedToTheProperPower = false;
         printf("change freq [ no ],freq %d, ozonePower %f-->%f  fanPower:%f\n", s_workingstate.nowfreq, nowpower, get_expect_power(), fanpower);
         if (nowpower < get_expect_power()) {
@@ -184,7 +184,7 @@ static state_machine_state_t* processWorkingState(state_machine_t* machine, stat
       if (s_workingstate.changefreqdirection) {
         if (nowpower < get_expect_power()) {
           s_workingstate.nowfreq += 25;
-          if (s_workingstate.nowfreq > const_max_freq) s_workingstate.nowfreq = const_max_freq;
+          if (s_workingstate.nowfreq > MAX_FREQ) s_workingstate.nowfreq = MAX_FREQ;
           printf("change freq [ up ],freq %d, ozonePower %f-->%f  fanPower:%f\n", s_workingstate.nowfreq, nowpower, get_expect_power(), fanpower);
           port_ozone_pwm_set_duty(s_workingstate.nowfreq, kconst_pwm_work_dutyns);
         } else {
diff --git a/APP/service/thisdevice.h b/APP/service/thisdevice.h
index 78cab5e..3477723 100644
--- a/APP/service/thisdevice.h
+++ b/APP/service/thisdevice.h
@@ -55,11 +55,12 @@ typedef struct {
 #define EXCEPTION_CHECK_PERIOD 50    //
 #define kconst_pwm_work_dutyns 5000  //臭氧模块工作时候高电平时间
 
-#define const_expect_power_windonws ((float)(0.3))  //允许设备工作在 [level1_expect_power-windows,level1_expect_power+windows]之间
-#define const_level1_expect_power ((float)(3.0))    //
-#define const_level2_expect_power ((float)(5.0))    //
-#define const_max_freq ((float)(38000))             //设备可提供调整频率的最大频率
+#define EXPECT_POWER_WINDONWS ((float)(0.3))  //允许设备工作在 [level1_expect_power-windows,level1_expect_power+windows]之间
+#define LEVEL1_EXPECT_POWER ((float)(3.0))    //
+#define LEVEL2_EXPECT_POWER ((float)(5.0))    //
+#define MAX_FREQ ((float)(38000))             //设备可提供调整频率的最大频率
 
+//卡尔曼滤波器参数
 #define KALMAN_FILTER_PARA \
   { 0.02, 0, 0, 0, 0.05, 0.543 }