diff --git a/Global/Global.c b/Global/Global.c
index 3d8047a..5ee5e50 100644
--- a/Global/Global.c
+++ b/Global/Global.c
@@ -180,11 +180,11 @@ bool powon = false;
 void System_PowerOn(void)
 {
   LOG_I("PWR", "power_on begin");
-  /* 控制电源硬件 */
+  /* 控制电源硬件；蓝牙按 NVM/系统设置开关恢复，勿强制常开 */
   BSP_MainPowerEnable(1);
   BSP_DreamCorePowerEnable(1);
   BSP_HT7178PowerEnable(1);
-  BSP_BlueToothPowerEnable(1);
+  BSP_BlueToothPowerEnable((uint8_t)(mGuiData[GUI_BL_SW].Current ? 1 : 0));
   powon = true;                              /* 更新开机标志 */
 
   /* 先通知 UI 亮屏，避免外设初始化阻塞导致长时间黑屏 */
@@ -212,13 +212,14 @@ static void PowerOff(void)
   powon = false;    /* 更新关机标志 */
   StopFullTask();
 
-  /* 关机前把当前调音台推子写入 NVM 镜像，保证再次开机保持音量 */
+  /* 关机前把当前调音台推子与蓝牙开关写入 NVM，保证再次开机保持 */
   {
     NvmParam_Type *nvm = drv_nvm_param_ptr();
     nvm->param.BandVol   = faders[0].val;
     nvm->param.StringVol = faders[1].val;
     nvm->param.MIcVol    = faders[2].val;
     nvm->param.MicRev    = faders[3].val;
+    nvm->param.BluetoothSW = (uint8_t)(mGuiData[GUI_BL_SW].Current ? 1 : 0);
   }
   nvm_ret = drv_nvm_save_to_flash();
   LOG_I("PWR", "nvm_save=%u", (unsigned)nvm_ret);
diff --git a/UI/UI_Setting.c b/UI/UI_Setting.c
index 44105b9..3cb9be4 100644
--- a/UI/UI_Setting.c
+++ b/UI/UI_Setting.c
@@ -39,7 +39,7 @@ const Touch_AreaTypeDef Touch_SystemSetting_Areas[] =
 
 GUI_SWITCH  mGuiData_SystemSETTING[] = {
     {  0,     0,      2,    GUI_VERSION},
-	{  0,     0,      1,    GUI_BLUETOOTH_SW},
+	{  1,     0,      1,    GUI_BLUETOOTH_SW}, /* 默认开；开机由 NVM BluetoothSW 覆盖 */
 	/* 手册：15/30/45/60 分钟 + 不自动；默认 15 分钟(index 0) */
 	{  0,     0,      4,    GUI_AUTOCLOSE},
 	{  0,     0,      1,    GUI_RESTORE},
diff --git a/UI/UI_global.c b/UI/UI_global.c
index 1ae19db..3a8f27e 100644
--- a/UI/UI_global.c
+++ b/UI/UI_global.c
@@ -310,24 +310,25 @@ void UI_GotoCurrentModePage(void)
     }
 }
 
-/* 蓝牙图标：设计稿居中 */
+/* 蓝牙图标：按系统开关显示；关则清空区域不画图标 */
 void Show_BL_Icon(uint8_t value)
 {
     static int8_t s_bt_pwr = -1;
+    uint8_t on = value ? 1u : 0u;
 
     /* Fill 终点为开区间，传 W/H 本身；高度须停在分割线之上 */
     LCD_FillByColor(UI0902_BT_X, UI0902_BT_Y,
                     UI0902_BT_X + UI0902_BT_W,
                     UI0902_BT_Y + UI0902_BT_H, UI0902_BG_COLOR);
-    if (value)
+    if (on)
     {
         LCD_WR_PIC_Trans(UI0902_BT_X, UI0902_BT_Y, UI0902_BT_W, UI0902_BT_H,
                          gImage_UI0902_Bluetooth_11x17, BLACK);
     }
-    if (s_bt_pwr != (int8_t)value)
+    if (s_bt_pwr != (int8_t)on)
     {
-        s_bt_pwr = (int8_t)value;
-        BSP_BlueToothPowerEnable(value);
+        s_bt_pwr = (int8_t)on;
+        BSP_BlueToothPowerEnable(on);
     }
     UI_DrawStatusSepLine();
 }
@@ -1099,8 +1100,10 @@ void RestoreSetting(void)
 
 	mGuiData[GUI_PLAY_SECTION].Current = 0;
 
+	/* 出厂默认蓝牙开（已由 static_value 写入 NVM/GUI） */
 	mGuiData_SystemSETTING[GUI_BLUETOOTH_SW].Current = 1;
 	mGuiData[GUI_BL_SW].Current = 1;
+	nvm->param.BluetoothSW = 1;
 	BSP_BlueToothPowerEnable(1);
 
 	ApplyAutoCloseIndex(mGuiData_SystemSETTING[GUI_AUTOCLOSE].Current);
@@ -1176,6 +1179,8 @@ void Draw_System_Item_List(const LEBEL_UI *UI, GUI_SWITCH *Group)
 		 UI_DrawTriRight((uint16_t)(val_x2 - UI0902_TRI_R_W), chev_cy);
 		 BSP_BlueToothPowerEnable (Group->Current);
 		 mGuiData[GUI_BL_SW].Current = Group->Current;
+		 nvm->param.BluetoothSW = (uint8_t)(Group->Current ? 1 : 0);
+		 drv_nvm_save_to_flash();
 	 break;
 	 case GUI_AUTOCLOSE:
 		 /* 0902-07：电源图标；档位按手册 15/30/45/60/不自动 */
diff --git a/driver/drv_nvm.c b/driver/drv_nvm.c
index a6d583b..2ac4df0 100644
--- a/driver/drv_nvm.c
+++ b/driver/drv_nvm.c
@@ -208,10 +208,10 @@ void drv_nvm_load_default_calibration_static_value(NvmParam_Type * pData,  uint8
     /* 手册：0=15 / 1=30 / 2=45 / 3=60 / 4=不自动；默认 15 分钟 */
     pData->param.AutoCloseTime    = 0;
     pData->param.Transpose      = 0;
+    pData->param.BluetoothSW    = 1; /* 出厂默认蓝牙开 */
     pData->param.Param1      = 0;
     pData->param.Param2      = 0;
     pData->param.Param3      = 0;
-    //pData->param.Language      = 0;
   }
   mGuiData[GUI_SPEED].Current           		= pData->param.BPM;
   mGuiData[GUI_TIMBRE_SELECT].Current   		= pData->param.Timbre;
@@ -223,6 +223,11 @@ void drv_nvm_load_default_calibration_static_value(NvmParam_Type * pData,  uint8
   if (pData->param.AutoCloseTime > 4)
     pData->param.AutoCloseTime = 0;
   mGuiData_SystemSETTING[GUI_AUTOCLOSE].Current = pData->param.AutoCloseTime;
+  /* 旧固件 Language 槽可能为 0xFF；非法值按默认开处理 */
+  if (pData->param.BluetoothSW > 1)
+    pData->param.BluetoothSW = 1;
+  mGuiData_SystemSETTING[GUI_BLUETOOTH_SW].Current = pData->param.BluetoothSW;
+  mGuiData[GUI_BL_SW].Current = pData->param.BluetoothSW;
   /* 开机/出厂：同步自动关机运行时秒表（手册 15/30/45/60/不自动） */
   AutoCloseFlag = true;
   switch (pData->param.AutoCloseTime)
diff --git a/driver/drv_nvm.h b/driver/drv_nvm.h
index 17d29ff..1fd9bc4 100644
--- a/driver/drv_nvm.h
+++ b/driver/drv_nvm.h
@@ -19,7 +19,7 @@ typedef struct {
   uint8_t     MicRev;
   uint8_t     AutoCloseTime;
   uint8_t     Transpose;
-  uint8_t     Language;
+  uint8_t     BluetoothSW; /* 0=关 1=开；复用原 Language 槽位，布局不变 */
   uint8_t     Param1;
   uint8_t     Param2;
   uint8_t     Param3;