diff --git a/components/drivers/sensors/sensor.c b/components/drivers/sensors/sensor.c
index 99f366ddac..ec1ad98fb6 100644
--- a/components/drivers/sensors/sensor.c
+++ b/components/drivers/sensors/sensor.c
@@ -43,6 +43,11 @@ void rt_sensor_cb(rt_sensor_t sen)
     {
         return;
     }
+    
+    if (sen->irq_handle != RT_NULL)
+    {
+        sen->irq_handle(sen);
+    }
 
     /* The buffer is not empty. Read the data in the buffer first */
     if (sen->data_len > 0)
diff --git a/components/drivers/sensors/sensor.h b/components/drivers/sensors/sensor.h
index fd437e4e09..94650ea886 100644
--- a/components/drivers/sensors/sensor.h
+++ b/components/drivers/sensors/sensor.h
@@ -68,6 +68,7 @@ extern "C" {
 #define  RT_SENSOR_UNIT_HZ             (9)  /* Frequency               unit: HZ         */
 #define  RT_SENSOR_UNIT_ONE            (10) /* Dimensionless quantity  unit: 1          */
 #define  RT_SENSOR_UNIT_BPM            (11) /* Heart rate              unit: bpm        */
+#define  RT_SENSOR_UNIT_MM             (12) /* Distance                unit: mm         */
 
 /* Sensor communication interface types */
 
@@ -131,6 +132,8 @@ struct rt_sensor_config
     rt_int32_t                   range;     /* sensor range of measurement */
 };
 
+typedef struct rt_sensor_device *rt_sensor_t;
+
 struct rt_sensor_device
 {
     struct rt_device             parent;    /* The standard device */
@@ -144,8 +147,9 @@ struct rt_sensor_device
     const struct rt_sensor_ops  *ops;       /* The sensor ops */
 
     struct rt_sensor_module     *module;    /* The sensor module */
+    
+    rt_err_t (*irq_handle)(rt_sensor_t sensor);             /* Called when an interrupt is generated, registered by the driver */
 };
-typedef struct rt_sensor_device *rt_sensor_t;
 
 struct rt_sensor_module
 {
diff --git a/components/drivers/sensors/sensor_cmd.c b/components/drivers/sensors/sensor_cmd.c
index 07487c8866..4658a42722 100644
--- a/components/drivers/sensors/sensor_cmd.c
+++ b/components/drivers/sensors/sensor_cmd.c
@@ -44,6 +44,9 @@ static void sensor_show_data(rt_size_t num, rt_sensor_t sensor, struct rt_sensor
     case RT_SENSOR_CLASS_STEP:
         LOG_I("num:%3d, step:%5d, timestamp:%5d", num, sensor_data->data.step, sensor_data->timestamp);
         break;
+    case RT_SENSOR_CLASS_PROXIMITY:
+        LOG_I("num:%3d, distance:%5d, timestamp:%5d", num, sensor_data->data.proximity, sensor_data->timestamp);
+        break;
     default:
         break;
     }
@@ -96,6 +99,12 @@ static void sensor_fifo(int argc, char **argv)
         return;
     }
     sensor = (rt_sensor_t)dev;
+    
+    if (rt_device_open(dev, RT_DEVICE_FLAG_FIFO_RX) != RT_EOK)
+    {
+        LOG_E("open device failed!");
+        return;
+    }
 
     if (sensor_rx_sem == RT_NULL)
     {
@@ -117,11 +126,6 @@ static void sensor_fifo(int argc, char **argv)
 
     rt_device_set_rx_indicate(dev, rx_callback);
 
-    if (rt_device_open(dev, RT_DEVICE_FLAG_FIFO_RX) != RT_EOK)
-    {
-        LOG_E("open device failed!");
-        return;
-    }
     rt_device_control(dev, RT_SENSOR_CTRL_SET_ODR, (void *)20);
 }
 #ifdef FINSH_USING_MSH