diff --git a/apps/earphone/xtell_Sensor/calculate/skiing_tracker.c b/apps/earphone/xtell_Sensor/calculate/skiing_tracker.c
index dab0b5b..541bfa5 100644
--- a/apps/earphone/xtell_Sensor/calculate/skiing_tracker.c
+++ b/apps/earphone/xtell_Sensor/calculate/skiing_tracker.c
@@ -531,7 +531,7 @@ void skiing_tracker_update(skiing_tracker_t *tracker, float *acc_g, float *gyr_d
 
    
 
-    #if 1
+    #if 0
     float linear_acc_device[3];
     float linear_acc_world[3];
     float tmp_world_acc[3];
@@ -547,11 +547,12 @@ void skiing_tracker_update(skiing_tracker_t *tracker, float *acc_g, float *gyr_d
                                         tmp_world_acc[2] * tmp_world_acc[2]);
     
     static int count = 0;
-    if(count > 100){
+    if(count > 10){
         xlog("===original(g): x %.2f, y %.2f, z %.2f===\n",acc_g[0],acc_g[1],acc_g[2]);
         xlog("===world(m/s^2) no g: x %.2f, y %.2f, z %.2f, all %.2f===\n",tmp_world_acc[0],tmp_world_acc[1],tmp_world_acc[2],all_world_mag);  //去掉重力加速度
         xlog("===gyr(dps) : x %.2f, y %.2f, z %.2f===\n",gyr_dps[0],gyr_dps[1],gyr_dps[2]);   //angle
         xlog("===angle : x %.2f, y %.2f, z %.2f,===\n",angle[0],angle[1],angle[2]);
+        xlog("===speed(cm/s): %d\n",(int)(tracker->speed*100) );
         count = 0;
         
     }
diff --git a/apps/earphone/xtell_Sensor/send_data.c b/apps/earphone/xtell_Sensor/send_data.c
index 560d918..387c8cc 100644
--- a/apps/earphone/xtell_Sensor/send_data.c
+++ b/apps/earphone/xtell_Sensor/send_data.c
@@ -36,7 +36,7 @@
     #define xlog(format, ...) ((void)0)
 #endif
 
-#define SENSOR_DATA_BUFFER_SIZE 500 // 定义缓冲区可以存储XXX个sensor_data_t元素
+#define SENSOR_DATA_BUFFER_SIZE 1000 // 定义缓冲区可以存储XXX个sensor_data_t元素
 
 //
 ///////////////////////////////////////////////////////////////////////////////////////////////////
@@ -164,6 +164,7 @@ void start_collect_fuc(void){
         circle_buffer_write(&BLE_send_buff, &BLE_send_data_tmp);
     }
     
+    // xlog("=======sensor_read_data END\n");
 
 }