diff --git a/APP/app_adc.c b/APP/app_adc.c
index b4667e3..d83d0c2 100644
--- a/APP/app_adc.c
+++ b/APP/app_adc.c
@@ -214,6 +214,16 @@ static void app_adc_key_process(uint8_t idx)
 }
 
 /* ==================== ADC1 in4 ==================== */
+/* 快速探测 Type-C / USB 是否接入（关机开机路径共用） */
+bool app_adc_usb_is_plugged(void)
+{
+    uint16_t val;
+    BSP_SelectAdcChannel(4); /* E_ADC1_FUNCTION_USB_CHECK */
+    Delay_us(20);
+    val = ADC_ReadChannel(ADC_CHANNEL_1) >> 5;
+    return (val > 80) ? true : false;
+}
+
 static void app_adc_charge_process(void)
 {
     uint16_t val = ADC_ReadChannel(ADC_CHANNEL_1) >> 5;
@@ -224,11 +234,17 @@ static void app_adc_charge_process(void)
         if (usb_charging_state != 1)
         {
             usb_charging_state = 1;
+            usb_charging_laststate = 1;
             if (powon)
             {
                 MainTask_Sendmsg(MSG_ID_CHARG, usb_charging_state, usb_charging_laststate, 0);
             }
-            usb_charging_laststate = 1;
+            else
+            {
+                /* 关机态插电：立即进全屏充电页，勿走开机 Logo */
+                LOG_I("CHG", "usb plug while soft-off → charge UI");
+                MainTask_Sendmsg(MSG_ID_POWOFF_CHARG, percentage, usb_charging_state, 0);
+            }
         }
     }
     /* 拔掉充电：阈值40，迟滞防抖，仅状态跳变时执行一次 */
@@ -237,19 +253,18 @@ static void app_adc_charge_process(void)
         if (usb_charging_state != 0)
         {
             usb_charging_state = 0;
-            
-            // 开机场景：发送状态消息
+            usb_charging_laststate = 0;
+
             if (powon)
             {
-                MainTask_Sendmsg(MSG_ID_CHARG, usb_charging_state, usb_charging_laststate, 0);
+                MainTask_Sendmsg(MSG_ID_CHARG, usb_charging_state, 1, 0);
             }
-            // 关机场景：直接切断主电源
             else
             {
+                /* 通知 UI 熄灭充电页并关主电 */
+                MainTask_Sendmsg(MSG_ID_POWOFF_CHARG, percentage, 0, 0);
                 BSP_MainPowerEnable(0);
             }
-            
-            usb_charging_laststate = 0;
         }
     }
 }
diff --git a/APP/app_adc.h b/APP/app_adc.h
index abb03b1..9a7fda1 100644
--- a/APP/app_adc.h
+++ b/APP/app_adc.h
@@ -24,4 +24,5 @@ extern bool usb_charging_laststate;
 extern uint8_t  percentage;
 void app_adc_scan_all(void);
 void app_adc_in1_scan_part(uint8_t channel);
+bool app_adc_usb_is_plugged(void);
 #endif
\ No newline at end of file
diff --git a/Global/Global.c b/Global/Global.c
index 219467c..40ea37e 100644
--- a/Global/Global.c
+++ b/Global/Global.c
@@ -228,6 +228,25 @@ static void PowerOff(void)
   CurrUIProcress = IdleProcess;
   MainTask_Sendmsg(MSG_ID_POWER_OFF, 0, 0, 0);
   LOG_I("PWR", "power_off done (soft-off, no reset)");
+
+  /* 关机时若已插着 Type-C，立刻进充电画面 */
+  {
+    uint8_t i;
+    for (i = 0; i < 4; i++)
+    {
+      app_adc_in1_scan_part(4);
+      if (usb_charging_state || app_adc_usb_is_plugged())
+        break;
+      rt_thread_mdelay(5);
+    }
+    if (usb_charging_state || app_adc_usb_is_plugged())
+    {
+      usb_charging_state = 1;
+      usb_charging_laststate = 1;
+      LOG_I("PWR", "soft-off with USB → charge UI");
+      MainTask_Sendmsg(MSG_ID_POWOFF_CHARG, percentage, 1, 0);
+    }
+  }
 }
 
 void Power_Key_Scan()
@@ -236,13 +255,32 @@ void Power_Key_Scan()
   uint32_t now = rt_tick_get();
   uint32_t holdtick = 0;
 
-  /* 复位/烧录后自动开机一次，避免黑屏干等长按；正常关机后下电再上电仍走此路径 */
+  /* 复位/烧录后：无 USB 则自动开机一次；有 Type-C 则进关机充电画面（勿进 Logo） */
   if (powon == false && pwr_key_state == KEY_STATE_IDLE && pwr_press_tick == 0)
   {
     static uint8_t s_auto_poweron_pending = 1;
     if (s_auto_poweron_pending)
     {
+      uint8_t i;
       s_auto_poweron_pending = 0;
+      /* 多采几次 USB 检测，避免上电瞬间误判 */
+      for (i = 0; i < 8; i++)
+      {
+        app_adc_in1_scan_part(4);
+        if (usb_charging_state || app_adc_usb_is_plugged())
+          break;
+        rt_thread_mdelay(5);
+      }
+      if (usb_charging_state || app_adc_usb_is_plugged())
+      {
+        usb_charging_state = 1;
+        usb_charging_laststate = 1;
+        LOG_I("PWR", "boot with USB → charge UI (no logo)");
+        CurrUIProcress = IdleProcess;
+        MainTask_Sendmsg(MSG_ID_POWOFF_CHARG, percentage, 1, 0);
+        pwr_key_state = KEY_STATE_NONE;
+        return;
+      }
       LOG_I("PWR", "auto power_on");
       PowerOn();
       pwr_key_state = KEY_STATE_NONE; /* 忽略开机瞬间可能残留的按键电平 */
diff --git a/UI/UI_Idle.c b/UI/UI_Idle.c
index dda0187..72e24a0 100644
--- a/UI/UI_Idle.c
+++ b/UI/UI_Idle.c
@@ -253,8 +253,8 @@ void IdleProcess(DisplayTaskMessage_Type msg)
 
         case MSG_ID_POWOFF_CHARG:
         {
-            static bool flag = 0;
-            if(flag == 0)
+            static bool s_charge_ui_drawn = false;
+            if(!s_charge_ui_drawn)
             {
                 BSP_MainPowerEnable(1);
                 LCD_WR_REG(0x29); //Display on
@@ -263,7 +263,7 @@ void IdleProcess(DisplayTaskMessage_Type msg)
                 LCD_WR_PIC_FROM_FLASH(0, 0, UI0902_CHARGE_SCREEN_W, UI0902_CHARGE_SCREEN_H,
                                       UI0902_CHARGE_SCREEN_ADDR);
                 LCD_BLK_Set();
-                flag = 1;
+                s_charge_ui_drawn = true;
             }
             if(usb_charging_state)
             {
@@ -274,8 +274,14 @@ void IdleProcess(DisplayTaskMessage_Type msg)
                 LCD_ShowString_AutoAlign(0, 240, 270, Info, LCD_ALIGN_CENTER,
                                          WHITE, UI0902_BG_COLOR, 0, 28);
             }
-            //else
-                //BSP_MainPowerEnable(0);
+            else
+            {
+                /* 关机充电中拔掉：熄屏，允许下次再进充电页 */
+                LCD_BLK_Clr();
+                LCD_FillByColor(0, 0, 240, 320, BLACK);
+                BSP_MainPowerEnable(0);
+                s_charge_ui_drawn = false;
+            }
         }
         break;