diff --git a/App/Inc/anemometer_dev.h b/App/Inc/anemometer_dev.h
index dd40f8f..13107e5 100644
--- a/App/Inc/anemometer_dev.h
+++ b/App/Inc/anemometer_dev.h
@@ -20,6 +20,8 @@
 
 
 
+#define ADC_GAIN_ENABLE 190
+#define ADC_GAIN_DISABLE 1900
 
 #define K_128 0xA12EE1FE
 // 延时REV_MUTE_DELAY us启动ADC采集数据
diff --git a/App/Src/anemometer_dev.c b/App/Src/anemometer_dev.c
index bc0ea98..ea43e7d 100644
--- a/App/Src/anemometer_dev.c
+++ b/App/Src/anemometer_dev.c
@@ -93,30 +93,30 @@ void config_adc_gain(uint8_t channel, uint16_t max_val)
       switch(channel)
       {
       case 0x01:
-          if(max_val <= 180)
+          if(max_val <= ADC_GAIN_ENABLE)
               gain_status.gain_status_s = 1;
-          else if(max_val >= 1900)
+          else if(max_val >= ADC_GAIN_DISABLE)
               gain_status.gain_status_s = 0;
           break;
       
       case 0x02:
-          if(max_val <= 180)
+          if(max_val <= ADC_GAIN_ENABLE)
               gain_status.gain_status_n = 1;
-          else if(max_val >= 1900)
+          else if(max_val >= ADC_GAIN_DISABLE)
               gain_status.gain_status_n = 0;
           break;
       
       case 0x03:
-          if(max_val <= 180)
+          if(max_val <= ADC_GAIN_ENABLE)
               gain_status.gain_status_e = 1;
-          else if(max_val >= 1900)
+          else if(max_val >= ADC_GAIN_DISABLE)
               gain_status.gain_status_e = 0;
           break;
       
       case 0x04:
-          if(max_val <= 180)
+          if(max_val <= ADC_GAIN_ENABLE)
               gain_status.gain_status_w = 1;
-          else if(max_val >= 1900)
+          else if(max_val >= ADC_GAIN_DISABLE)
               gain_status.gain_status_w = 0;
           break;