diff --git a/apps/earphone/include/app_config.h b/apps/earphone/include/app_config.h
index 0c9a526..da7bfc7 100644
--- a/apps/earphone/include/app_config.h
+++ b/apps/earphone/include/app_config.h
@@ -91,8 +91,8 @@
 #define    OTA_TWS_SAME_TIME_ENABLE  0
 #define    OTA_TWS_SAME_TIME_NEW     0     //使用新的tws ota流程
 #else
-#define    JL_EARPHONE_APP_EN        0
-#define    OTA_TWS_SAME_TIME_ENABLE  0
+#define    JL_EARPHONE_APP_EN        1
+#define    OTA_TWS_SAME_TIME_ENABLE  1
 #define    OTA_TWS_SAME_TIME_NEW     0     //使用新的tws ota流程
 #endif
 
diff --git a/apps/earphone/xtell_Sensor/sensor/BMP280.c b/apps/earphone/xtell_Sensor/sensor/BMP280.c
index b251ca9..5b418be 100644
--- a/apps/earphone/xtell_Sensor/sensor/BMP280.c
+++ b/apps/earphone/xtell_Sensor/sensor/BMP280.c
@@ -51,6 +51,7 @@ static uint8_t bmp280_read_regs(uint8_t reg, uint8_t *buf, uint16_t len) {
  * @return 补偿后的温度值 (单位: °C)
  */
 static float compensate_temperature(int32_t adc_T) {
+    #if 0
     float var1, var2, temperature;
 
     var1 = (((float)adc_T) / 16384.0f - ((float)t1) / 1024.0f) * ((float)t2);
@@ -64,6 +65,16 @@ static float compensate_temperature(int32_t adc_T) {
     if (temperature > 85.0f) return 85.0f;
     
     return temperature;
+    #else
+    int32_t var1, var2, T;
+	var1 = ((((adc_T>>3) - ((int32_t)t1<<1))) * ((int32_t)t2)) >> 11;
+	var2 = (((((adc_T>>4) - ((int32_t)t1)) * ((adc_T>>4) - ((int32_t)t1))) >> 12) * 
+	((int32_t)t3)) >> 14;
+	t_fine = var1 + var2;
+	T = (t_fine * 5 + 128) >> 8;
+	return (float)(T/100.0f);
+
+    #endif
 }
 
 /**
@@ -72,6 +83,7 @@ static float compensate_temperature(int32_t adc_T) {
  * @return 补偿后的气压值 (单位: Pa)
  */
 static float compensate_pressure(int32_t adc_P) {
+#if 0
     float var1, var2, pressure;
 
     var1 = ((float)t_fine / 2.0f) - 64000.0f;
@@ -95,6 +107,25 @@ static float compensate_pressure(int32_t adc_P) {
     if (pressure > 110000.0f) return 110000.0f;
 
     return pressure;
+#else
+    int32_t var1, var2, p;
+	var1 = ((int32_t)t_fine) - 128000;
+	var2 = var1 * var1 * (int32_t)p6;
+	var2 = var2 + ((var1*(int32_t)p5)<<17);
+	var2 = var2 + (((int32_t)p4)<<35);
+	var1 = ((var1 * var1 * (int32_t)p3)>>8) + ((var1 * (int32_t)p2)<<12);
+	var1 = (((((int32_t)1)<<47)+var1))*((int32_t)p1)>>33;
+	if (var1 == 0)
+	{
+	return 0; // avoid exception caused by division by zero
+	}
+	p = 1048576-adc_P;
+	p = (((p<<31)-var2)*3125)/var1;
+	var1 = (((int32_t)p9) * (p>>13) * (p>>13)) >> 25;
+	var2 = (((int32_t)p8) * p) >> 19;
+	p = ((p + var1 + var2) >> 8) + (((int32_t)p9)<<4);
+	return (float)(p/256);
+#endif
 }
 
 /*==================================================================================*/