diff --git a/apps/earphone/xtell_Sensor/send_data.c b/apps/earphone/xtell_Sensor/send_data.c
index eb08e24..510bfae 100644
--- a/apps/earphone/xtell_Sensor/send_data.c
+++ b/apps/earphone/xtell_Sensor/send_data.c
@@ -167,7 +167,7 @@ void sensor_collect_task(void){
         if(interval >= 4){ 
             interval = 0;
             SL_data_index = 0;
-            bmp280_read_data(&temperature, &pressure);//每40ms读取一次
+            // bmp280_read_data(&temperature, &pressure);//每40ms读取一次
             for(int i = 0;i<MPU_FIFO_LEN;i++){
                 send_data.sensor_package[i].temperature = (int16_t)(temperature * 1000.0f);
                 send_data.sensor_package[i].pressure = (int32_t)(pressure * 1000.0f);      
@@ -337,8 +337,8 @@ void BLE_send_fuc(void){
         }
 
 
-        extern void uartSendData(void *buf, u16 len) ; // 确保u16是uint16_t或unsigned short
-        uartSendData(send_buffer, 484); // 发送总共17字节
+        // extern void uartSendData(void *buf, u16 len) ; // 确保u16是uint16_t或unsigned short
+        // uartSendData(send_buffer, 484); // 发送总共17字节
         send_data_to_ble_client(send_buffer, 484); // 发送数据
         
         // data_log(send_buffer);
diff --git a/apps/earphone/xtell_Sensor/xtell_handler.c b/apps/earphone/xtell_Sensor/xtell_handler.c
index 1a622bf..a800c14 100644
--- a/apps/earphone/xtell_Sensor/xtell_handler.c
+++ b/apps/earphone/xtell_Sensor/xtell_handler.c
@@ -83,7 +83,7 @@ extern u8 init_ok;
 extern u8 sniff_out;
 unsigned char xtell_bl_state=0;   //存放经典蓝牙的连接状态，0断开，1是连接
 u8 bt_newname =0;
-unsigned char xt_ble_new_name[9] = "xtell";
+unsigned char xt_ble_new_name[9] = "xtell_1";
 static u16 play_poweron_ok_timer_id = 0;
 
 // -- 初始化标志位 --
diff --git a/cpu/br28/tools/app.bin b/cpu/br28/tools/app.bin
index f00c3b8..6251d89 100644
Binary files a/cpu/br28/tools/app.bin and b/cpu/br28/tools/app.bin differ
diff --git a/cpu/br28/tools/data_code.bin b/cpu/br28/tools/data_code.bin
index 90e2e2d..6d1d475 100644
Binary files a/cpu/br28/tools/data_code.bin and b/cpu/br28/tools/data_code.bin differ
diff --git a/cpu/br28/tools/download/earphone/download.bat b/cpu/br28/tools/download/earphone/download.bat
index d9517b2..fda6592 100644
--- a/cpu/br28/tools/download/earphone/download.bat
+++ b/cpu/br28/tools/download/earphone/download.bat
@@ -10,7 +10,7 @@ copy ..\..\ota.bin .
 copy ..\..\anc_coeff.bin .
 copy ..\..\anc_gains.bin .
 
-..\..\isd_download.exe ..\..\isd_config.ini -tonorflash -dev br28 -boot 0x120000 -div8 -wait 300 -uboot ..\..\uboot.boot -app ..\..\app.bin -res ..\..\cfg_tool.bin tone.cfg p11_code.bin ..\..\eq_cfg_hw.bin -uboot_compress -format all 
+..\..\isd_download.exe ..\..\isd_config.ini -tonorflash -dev br28 -boot 0x120000 -div8 -wait 300 -uboot ..\..\uboot.boot -app ..\..\app.bin -res ..\..\cfg_tool.bin tone.cfg p11_code.bin ..\..\eq_cfg_hw.bin -uboot_compress  -format all -key 646-AC690X-7603.key
 
 @REM..\..\isd_download.exe ..\..\isd_config.ini -tonorflash -dev br34 -boot 0x20000 -div8 -wait 300 -uboot ..\..\uboot.boot -app ..\..\app.bin ..\..\cfg_tool.bin -res tone.cfg kws_command.bin p11_code.bin -uboot_compress
 
diff --git a/cpu/br28/tools/download/earphone/jl_isd.bin b/cpu/br28/tools/download/earphone/jl_isd.bin
index b512fe8..2e5162e 100644
Binary files a/cpu/br28/tools/download/earphone/jl_isd.bin and b/cpu/br28/tools/download/earphone/jl_isd.bin differ
diff --git a/cpu/br28/tools/sdk.elf.resolution.txt b/cpu/br28/tools/sdk.elf.resolution.txt
index 40891dc..a83ad44 100644
--- a/cpu/br28/tools/sdk.elf.resolution.txt
+++ b/cpu/br28/tools/sdk.elf.resolution.txt
@@ -5369,7 +5369,6 @@ objs/apps/earphone/xtell_Sensor/send_data.c.o
 -r=objs/apps/earphone/xtell_Sensor/send_data.c.o,sensor_collect_task,pl
 -r=objs/apps/earphone/xtell_Sensor/send_data.c.o,mmc5603nj_read_mag_data,l
 -r=objs/apps/earphone/xtell_Sensor/send_data.c.o,SL_SC7U22_FIFO_Read,l
--r=objs/apps/earphone/xtell_Sensor/send_data.c.o,bmp280_read_data,l
 -r=objs/apps/earphone/xtell_Sensor/send_data.c.o,circle_buffer_write,l
 -r=objs/apps/earphone/xtell_Sensor/send_data.c.o,os_sem_post,l
 -r=objs/apps/earphone/xtell_Sensor/send_data.c.o,os_time_dly,l