diff --git a/apps/earphone/earphone.c b/apps/earphone/earphone.c
index 3a65d82..5ced2d5 100644
--- a/apps/earphone/earphone.c
+++ b/apps/earphone/earphone.c
@@ -2476,17 +2476,17 @@ static int event_handler(struct application *app, struct sys_event *event)
             return app_power_event_handler(&event->u.dev);
         }
 #if (JL_EARPHONE_APP_EN)
-        else if ((u32)event->arg == DEVICE_EVENT_FROM_RCSP) {
-            log_info("DEVICE_EVENT_FROM_RCSP: %d", event->u.rcsp.event);
-            switch (event->u.rcsp.event) {
-            case MSG_JL_UPDATE_START:
-                log_info(">>> EARPHONE APP: MSG_JL_UPDATE_START\n");
-                // You can add UI notifications here, like LED blinking or a tone.
-                break;
-            default:
-                break;
-            }
-        }
+        // else if ((u32)event->arg == DEVICE_EVENT_FROM_RCSP) {
+        //     log_info("DEVICE_EVENT_FROM_RCSP: %d", event->u.rcsp.event);
+        //     switch (event->u.rcsp.event) {
+        //     case MSG_JL_UPDATE_START:
+        //         log_info(">>> EARPHONE APP: MSG_JL_UPDATE_START\n");
+        //         // You can add UI notifications here, like LED blinking or a tone.
+        //         break;
+        //     default:
+        //         break;
+        //     }
+        // }
 #endif
 #if TCFG_CHARGESTORE_ENABLE
         else if ((u32)event->arg == DEVICE_EVENT_CHARGE_STORE) {
diff --git a/cpu/br28/sdk.ld b/cpu/br28/sdk.ld
index fc7c9c0..182cf83 100644
--- a/cpu/br28/sdk.ld
+++ b/cpu/br28/sdk.ld
@@ -253,6 +253,7 @@
   _MASK_MEM_BEGIN = ABSOLUTE(0x19fc00);
   _MASK_MEM_SIZE = ABSOLUTE(0x1a4);
 
+
 EXTERN(
 _start
 
@@ -293,6 +294,7 @@ cvsd_encoder
 
 msbc_encoder
 audio_dac_driver
+
 );
 
 UPDATA_SIZE = 0x80;
@@ -428,7 +430,8 @@ SECTIONS
         battery_notify_begin = .;
         *(.battery_notify)
         battery_notify_end = .;
- . = ALIGN(4);
+
+  . = ALIGN(4);
   __VERSION_BEGIN = .;
         KEEP(*(.sys.version))
         __VERSION_END = .;
@@ -518,6 +521,7 @@ SECTIONS
  *(.audio_track_data)
  *(.audio_adc_data)
 
+
   . = ALIGN(4);
         *(.data*)
 
@@ -726,6 +730,7 @@ SECTIONS
 
     } > ram0
 
+
  data_code_pc_limit_end = .;
  __report_overlay_end = .;
 
@@ -815,6 +820,7 @@ SECTIONS
 }
 
 
+
 SECTIONS
 {
     .data : ALIGN(4)
@@ -846,6 +852,7 @@ SECTIONS
 
     UPDATE_CODE_TOTAL_SIZE = update_code_end - update_code_start;
 }
+
 SECTIONS
 {
     .data : ALIGN(4)
@@ -948,6 +955,7 @@ BTSTACK_LE_HOST_MESH_RAM_TOTAL = BTSTACK_LE_HOST_MESH_DATA_SIZE + BTSTACK_LE_HOS
 BTSTACK_LE_HOST_MESH_FLASH_TOTAL = BTSTACK_LE_HOST_MESH_CODE_SIZE;
 
 BTSTACK_CODE_SIZE = (btstack_code_end - btstack_code_start) + (btstack_data_end - btstack_data_start);
+
 SECTIONS
 {
     .data : ALIGN(4)
@@ -1241,6 +1249,7 @@ SECTIONS
   *(.os_code)
     } > ram0
 }
+
 SECTIONS
 {
     .data : ALIGN(4)
@@ -1450,6 +1459,7 @@ SECTIONS
     BTCTLER_RAM_TOTAL = (btctler_data_end - btctler_data_start) + (btctler_bss_end - btctler_bss_start);
     BTCTLER_CODE_TOTAL = (btctler_code_end - btctler_code_start);
 }
+
 SECTIONS
 {
     .data : ALIGN(4)
@@ -1567,7 +1577,8 @@ SECTIONS
         *(.timer.text.cache.L1)
         *(.gpio.text.cache.L1)
         *(.iic_hw.text.cache.L1)
- driver_data_code_end = .;
+
+        driver_data_code_end = .;
   . = ALIGN(4);
     } > ram0
 
@@ -1577,6 +1588,7 @@ SECTIONS
     DRIVER_DATA_CODE_TOTAL = (driver_data_code_end - driver_data_code_start);
 
 }
+
 SECTIONS
 {
     .data : ALIGN(4)
@@ -2016,6 +2028,7 @@ SECTIONS
  } > ram0
 }
 
+
 text_begin = ADDR(.text);
 text_size = SIZEOF(.text);
 text_end = text_begin + text_size;