diff --git a/App/Inc/anemometer_dev.h b/App/Inc/anemometer_dev.h
index f726582..4ab94bc 100644
--- a/App/Inc/anemometer_dev.h
+++ b/App/Inc/anemometer_dev.h
@@ -109,17 +109,21 @@ typedef struct __weather_param
 extern Weather_param weather_info;
 
 typedef struct _mcs_para{
-  float32_t min_wind_direction;    /* 最小风向  */
-  float32_t average_wind_direction;/* 平均风向  */
-  float32_t max_wind_direction;   /* 最大风向  */
-  float32_t min_wind_speed;        /* 最小风速  */
-  float32_t average_wind_speed;    /* 平均风速  */
-  float32_t max_wind_speed;        /* 最大风速  */
-  float32_t temperature;           /*  环境温度 */
-  float32_t humidity;              /*  环境湿度 */
-  float32_t pressure;               /*  压强 */
-  float32_t precipitation;         /*  雨量     */
-  float32_t precipitation_intensity;/* 光辐射 */
+  float32_t min_wind_direction;              /* 最小风向  */
+  float32_t average_wind_direction;          /* 平均风向  */
+  float32_t instantaneous_wind_direction;    /* 瞬时风向  */
+  float32_t max_wind_direction;              /* 最大风向  */
+  float32_t min_wind_speed;                  /* 最小风速  */
+  float32_t trough_wind_speed;               /* 极小风速  */
+  float32_t average_wind_speed;              /* 平均风速  */
+  float32_t instantaneous_wind_speed;        /* 瞬时风速  */
+  float32_t peak_wind_speed;                 /* 极大风速  */
+  float32_t max_wind_speed;                  /* 最大风速  */
+  float32_t temperature;                     /*  环境温度 */
+  float32_t humidity;                        /*  环境湿度 */
+  float32_t pressure;                        /*  压强 */
+  float32_t precipitation;                   /*  雨量     */
+  float32_t precipitation_intensity;         /* 光辐射 */
 }mcs_para;
 extern mcs_para g_stMcs_Para;
 
diff --git a/App/Src/anemometer_dev.c b/App/Src/anemometer_dev.c
index 90a3a95..bc69afb 100644
--- a/App/Src/anemometer_dev.c
+++ b/App/Src/anemometer_dev.c
@@ -549,6 +549,9 @@ void wind_task(void const * argument)
       }
 ///      term_printf("x:%.2f y:%.2f win_speed %.2f m/s  angle %.2f \r\n",av_speedx,av_speedy,av_speed,av_angle);
     }
+    //瞬时风速风向
+    g_stMcs_Para.instantaneous_wind_direction = av_angle;
+    g_stMcs_Para.instantaneous_wind_speed = av_speed;
     ///term_printf("win_speed %.2f \r\n",weather_info.wind_velocity);
     //HAL_Delay(1);
     //osDelay(3//
@@ -834,22 +837,32 @@ void my_update_mcs_param(float new_wind_speed, float new_wind_dirction)
         float temp_max_direction = win_10min.ave_direction_data[0];
         float temp_min_speed = win_10min.ave_speed_data[0];
         float temp_max_speed = win_10min.ave_speed_data[0];
-        //遍历10min内所有数据寻找最大最小
+        float temp_trough_min_speed = win_10min.ave_speed_data[0];
+        float temp_peak_max_speed = win_10min.ave_speed_data[0];
+        //遍历10min内所有数据寻找最大最小极大极小
         for (int i = 0; i < win_10min.count; i++) {
+//            最大最小
             if (win_10min.ave_direction_data[i] < temp_min_direction) {
                 temp_min_direction = win_10min.ave_direction_data[i]; // 更新风向最小值
             }
-            if (win_10min.ave_direction_data[i] > temp_max_direction) {
+            else if (win_10min.ave_direction_data[i] > temp_max_direction) {
                 temp_max_direction = win_10min.ave_direction_data[i]; // 更新风向最大值
             }
             if (win_10min.ave_speed_data[i] < temp_min_speed) {
                 temp_min_speed = win_10min.ave_speed_data[i]; // 更新风速最小值
             }
-            if (win_10min.ave_speed_data[i] > temp_max_speed) {
+            else if (win_10min.ave_speed_data[i] > temp_max_speed) {
                 temp_max_speed = win_10min.ave_speed_data[i]; // 更新风速最大值
             }
+//            极大极小
+            if (win_10min.speed_data[i] < temp_trough_min_speed) {
+                temp_trough_min_speed = win_10min.speed_data[i]; // 更新风速极小值
+            }
+            else if (win_10min.speed_data[i] > temp_peak_max_speed) {
+                temp_peak_max_speed = win_10min.speed_data[i]; // 更新风速极大值
+            }
         }
-        
+//        更新最大最小极大极小风速风向
         g_stMcs_Para.min_wind_direction = temp_min_direction;
         g_stMcs_Para.average_wind_direction = win_10min.ave_direction_data[win_10min.index];
         g_stMcs_Para.max_wind_direction = temp_max_direction;
@@ -858,6 +871,10 @@ void my_update_mcs_param(float new_wind_speed, float new_wind_dirction)
         g_stMcs_Para.average_wind_speed = win_10min.ave_speed_data[win_10min.index];
         g_stMcs_Para.max_wind_speed = temp_max_speed;
         
+//        极大极小风速
+        g_stMcs_Para.trough_wind_speed = temp_trough_min_speed;
+        g_stMcs_Para.peak_wind_speed = temp_peak_max_speed;
+        
         win_10min.index = (win_10min.index + 1) % /*AVE_TIME*/g_stConfigInfo.speed_average_time;                                    //更新索引
 }
 
@@ -909,7 +926,7 @@ void tem_hum_update_task(void const * argument)
             NVIC_SystemReset();
         }
 //        风速风向更新
-         my_update_mcs_param(av_speed, av_angle);
+         my_update_mcs_param(g_stMcs_Para.instantaneous_wind_speed, g_stMcs_Para.instantaneous_wind_direction);
     }
 }
 
diff --git a/Core/Src/freertos.c b/Core/Src/freertos.c
index 597ef39..df89c56 100644
--- a/Core/Src/freertos.c
+++ b/Core/Src/freertos.c
@@ -125,7 +125,7 @@ void MX_FREERTOS_Init(void) {
   osThreadDef(anemometer, wind_task, osPriorityHigh, 0, 256);// ���ٷ���
   anemometerHandle = osThreadCreate(osThread(anemometer), NULL);
 
-  osThreadDef(temhum_update_task, tem_hum_update_task, osPriorityAboveNormal, 0, 128);//��ʪ�ȣ�����ѹ����
+  osThreadDef(temhum_update_task, tem_hum_update_task, osPriorityAboveNormal, 0, 256);//��ʪ�ȣ�����ѹ����
   temhum_update_taskHandle = osThreadCreate(osThread(temhum_update_task), NULL);
   
 //  osThreadDef(sensorTask, SensorTask, osPriorityRealtime, 0, 128);