diff --git a/.gitignore b/.gitignore
index 9d90811..0481f71 100644
--- a/.gitignore
+++ b/.gitignore
@@ -52,3 +52,8 @@ desktop.ini
 *.tmp
 *.bak
 data/curcuit
+project/ble_peripheral/ble_app_bladder_patch/pca10056/s140/arm5_no_packs/ble_app_bladder_patch_s140.uvprojx
+project/ble_peripheral/ble_app_bladder_patch/pca10056/s140/arm5_no_packs/ble_app_bladder_patch_s140.uvoptx
+data/Piezo 6채널 측정 시 에러 코드.md
+data/Piezo 6채널 측정 시 에러 코드.pdf
+data/pdf-style.css
diff --git a/components/libraries/util/app_error_weak.c b/components/libraries/util/app_error_weak.c
index 17cdcc0..78ee54a 100644
--- a/components/libraries/util/app_error_weak.c
+++ b/components/libraries/util/app_error_weak.c
@@ -100,11 +100,11 @@ __WEAK void app_error_fault_handler(uint32_t id, uint32_t pc, uint32_t info)
     NRF_BREAKPOINT_COND;
     // On assert, the system can only recover with a reset.
 
-#ifndef DEBUG
+#ifndef DEBUG   // DEBUG 모드가 아닌 경우 = RELEASE 모드인 경우
     NRF_LOG_WARNING("System reset");
     NVIC_SystemReset();
-#else
+#else   // DEBUG 모드인 경우
     app_error_save_and_stop(id, pc, info);
-#endif // DEBUG
+#endif
 }
 /*lint -restore */
diff --git a/pc_firm/dr_adc121s051/dr_adc121s051.c b/pc_firm/dr_adc121s051/dr_adc121s051.c
index 03d136b..55e74d8 100644
--- a/pc_firm/dr_adc121s051/dr_adc121s051.c
+++ b/pc_firm/dr_adc121s051/dr_adc121s051.c
@@ -605,6 +605,9 @@ dr_adc_err_t dr_adc_burst_capture_transmit(uint8_t freq_option, uint16_t delay_u
     /*--- Step 2: Select piezo channel ---*/
     dr_piezo_select_channel(piezo_ch);
 
+    /* MUX 전환 후 S/H 커패시터 안정화를 위한 dummy read */
+    (void)spim_read_raw();
+
     /*--- Step 3~5: Burst + Delay + Capture ---*/
     if (averaging == 1) {
         /*=== SINGLE MEASUREMENT (no averaging) - direct path ===*/
diff --git a/project/ble_peripheral/ble_app_bladder_patch/main.c b/project/ble_peripheral/ble_app_bladder_patch/main.c
index a5b1099..3293cc9 100644
--- a/project/ble_peripheral/ble_app_bladder_patch/main.c
+++ b/project/ble_peripheral/ble_app_bladder_patch/main.c
@@ -120,7 +120,6 @@
 
 /*==============================================================================
  * 빌드 설정
- * DEBUG_MINIMAL_BOOT 삭제 26.03.26 jhChun
  *============================================================================*/
 #define BLE_DEV_MODE        1   /* 1: 개발 모드 (보안 없음), 0: 양산 모드 (패스키 필수) */
 
@@ -693,6 +692,7 @@ static void on_conn_params_evt(ble_conn_params_evt_t * p_evt)
 {
     if (p_evt->evt_type == BLE_CONN_PARAMS_EVT_FAILED)
     {
+        DBG_PRINTF("[CONN] Param negotiation FAILED -> disconnect\r\n");
         uint32_t err_code = sd_ble_gap_disconnect(m_conn_handle, BLE_HCI_CONN_INTERVAL_UNACCEPTABLE);
         APP_ERROR_CHECK(err_code);
     }
@@ -1093,7 +1093,7 @@ static void ble_evt_handler(ble_evt_t const * p_ble_evt, void * p_context)
 
         case BLE_GATTC_EVT_TIMEOUT:
         case BLE_GATTS_EVT_TIMEOUT:
-            DBG_PRINTF("[BLE] Timeout\r\n");
+            DBG_PRINTF("[BLE] GATT Timeout -> disconnect\r\n");
             err_code = sd_ble_gap_disconnect(p_ble_evt->evt.gap_evt.conn_handle,
                                              BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION);
             APP_ERROR_CHECK(err_code);
diff --git a/project/ble_peripheral/ble_app_bladder_patch/pca10056/s140/arm5_no_packs/ble_app_bladder_patch_s140.uvoptx b/project/ble_peripheral/ble_app_bladder_patch/pca10056/s140/arm5_no_packs/ble_app_bladder_patch_s140.uvoptx
index d8f552b..83203de 100644
--- a/project/ble_peripheral/ble_app_bladder_patch/pca10056/s140/arm5_no_packs/ble_app_bladder_patch_s140.uvoptx
+++ b/project/ble_peripheral/ble_app_bladder_patch/pca10056/s140/arm5_no_packs/ble_app_bladder_patch_s140.uvoptx
@@ -1504,7 +1504,7 @@
 
   <Group>
     <GroupName>nRF_BLE</GroupName>
-    <tvExp>1</tvExp>
+    <tvExp>0</tvExp>
     <tvExpOptDlg>0</tvExpOptDlg>
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>
@@ -3148,7 +3148,7 @@
 
   <Group>
     <GroupName>ICM42670</GroupName>
-    <tvExp>1</tvExp>
+    <tvExp>0</tvExp>
     <tvExpOptDlg>0</tvExpOptDlg>
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>