diff --git a/APP/app_adc.h b/APP/app_adc.h
index e9e4d72..87211e4 100644
--- a/APP/app_adc.h
+++ b/APP/app_adc.h
@@ -22,7 +22,7 @@ extern bool  pick_hold_up;
 extern bool usb_charging_state; 
 extern bool usb_charging_laststate;
 extern uint8_t  percentage;
-/* 关机充电页：仅当已采到的包电压高于 6.8V 时为 1。未采样或低于等于 6.8V 为 0。 */
+/* 1 = 包电压已高于 6.8V，充电页保持亮。0 = 未采样或低于等于 6.8V，充电页亮 10s 后关屏。 */
 uint8_t app_adc_charge_ui_allowed(void);
 void app_adc_scan_all(void);
 void app_adc_in1_scan_part(uint8_t channel);
diff --git a/Global/Global.c b/Global/Global.c
index eecf654..c8d47ef 100644
--- a/Global/Global.c
+++ b/Global/Global.c
@@ -292,13 +292,35 @@ void System_RequestAudioBringUp(void)
   s_audio_bringup_req = 1;
 }
 
-#define CHARGE_BL_HOLD_MS  3000u
+/* 浣庝簬绛変簬 6.8V锛氬厖鐢电敾闈寒 10s 鍚庡叧灞忥紝鍏呯數缁х画 */
+#define CHARGE_BL_LOW_MS  10000u
 static uint32_t s_charge_bl_off_at = 0;
+static uint8_t  s_charge_bl_latched_off = 0;
 
-void Power_ChargeBacklightHold(void)
+/* 楂樹簬 6.8V锛氬厖鐢电敾闈竴鐩翠寒鐫� */
+void Power_ChargeBacklightSteady(void)
 {
+  s_charge_bl_latched_off = 0;
+  s_charge_bl_off_at = 0;
+  LCD_WR_REG(0x29);
   LCD_BLK_Set();
-  s_charge_bl_off_at = rt_tick_get() + (CHARGE_BL_HOLD_MS * RT_TICK_PER_SECOND / 1000u);
+}
+
+/* 鏈珮浜� 6.8V锛氬彧寮�濮嬩竴娆� 10s 鍊掕鏃讹紝鐢甸噺鍒锋柊涓嶈兘鎶婂畠娓呮帀鎴栭噸鏂扮偣浜� */
+void Power_ChargeBacklightLowHold(void)
+{
+  if (s_charge_bl_latched_off || s_charge_bl_off_at != 0u)
+    return;
+  LCD_WR_REG(0x29);
+  LCD_BLK_Set();
+  s_charge_bl_off_at = rt_tick_get() + (CHARGE_BL_LOW_MS * RT_TICK_PER_SECOND / 1000u);
+  LOG_I("PWR", "charge lcd on, off in %ums (pack <=6.8V)", (unsigned)CHARGE_BL_LOW_MS);
+}
+
+void Power_ChargeBacklightSessionReset(void)
+{
+  s_charge_bl_off_at = 0;
+  s_charge_bl_latched_off = 0;
 }
 
 void Power_ChargeIdle_LogPoll(void)
@@ -309,14 +331,17 @@ void Power_ChargeIdle_LogPoll(void)
   if (powon)
   {
     s_charge_bl_off_at = 0;
+    s_charge_bl_latched_off = 0;
     return;
   }
   now = rt_tick_get();
   if (s_charge_bl_off_at != 0u && (int32_t)(now - s_charge_bl_off_at) >= 0)
   {
     LCD_BLK_Clr();
+    LCD_WR_REG(0x28); /* Display OFF锛屽厖鐢典笉涓柇 */
     s_charge_bl_off_at = 0;
-    LOG_I("PWR", "charge backlight off");
+    s_charge_bl_latched_off = 1;
+    LOG_I("PWR", "charge lcd off after 10s, still charging");
   }
   if (s_last != 0u && (now - s_last) < (5u * RT_TICK_PER_SECOND))
     return;
diff --git a/Global/Global.h b/Global/Global.h
index a2e9791..b592edb 100644
--- a/Global/Global.h
+++ b/Global/Global.h
@@ -184,8 +184,10 @@ void System_PowerOn(void);
 void System_RequestAudioBringUp(void);
 void System_AudioBringUp_Poll(void);
 void Power_ChargeIdle_LogPoll(void);
-/* 鍏呯數椤电偣浜儗鍏夋暟绉掑悗鍏虫帀锛岄伩鍏嶅睆骞曟妸鐢垫睜鑰椾笅鍘� */
-void Power_ChargeBacklightHold(void);
+/* 楂樹簬 6.8V锛氬厖鐢甸〉鑳屽厜淇濇寔锛涗綆浜庣瓑浜� 6.8V锛氫寒 10s 鍚庡叧灞忋�傛嫈鐢垫椂澶嶄綅鍊掕鏃躲�� */
+void Power_ChargeBacklightSteady(void);
+void Power_ChargeBacklightLowHold(void);
+void Power_ChargeBacklightSessionReset(void);
 /* 璇诲洖鍚勮矾鐢垫簮杈撳嚭鐢靛钩锛歮ain/dream/v12/bt 涓� 1=寮�锛沜hg 涓� 1=鍏呯數浣胯兘锛堜綆鏈夋晥锛� */
 void Power_LogRails(const char *where);
 void System_RequestPowerOff(void);
diff --git a/UI/UI_Idle.c b/UI/UI_Idle.c
index 166880d..ad882cc 100644
--- a/UI/UI_Idle.c
+++ b/UI/UI_Idle.c
@@ -257,18 +257,6 @@ void IdleProcess(DisplayTaskMessage_Type msg)
             /* 宸插紑鏈猴細蹇界暐婊炲悗鐨勫叧鏈哄厖鐢垫秷鎭紝鍕胯鐩栨ā寮忛�夋嫨椤垫垨鍒囨柇涓荤數 */
             if (powon)
                 break;
-            if (usb_charging_state && !app_adc_charge_ui_allowed())
-            {
-                /* Type-C 鍏呯數涓斿寘鐢靛帇鏈珮浜� 6.8V锛氫笉鐐逛寒銆佷笉鐢诲厖鐢甸〉 */
-                LCD_BLK_Clr();
-                LCD_WR_REG(0x28);
-                if (s_charge_ui_drawn)
-                    LCD_FillByColor(0, 0, 240, 320, BLACK);
-                s_charge_ui_drawn = false;
-                BSP_MainPowerEnable(0);
-                LOG_I("UI", "type-c charge <=6.8V, lcd off");
-                break;
-            }
             if(!s_charge_ui_drawn)
             {
                 uint8_t peek[4];
@@ -292,7 +280,6 @@ void IdleProcess(DisplayTaskMessage_Type msg)
                     LOG_W("UI", "charge flash empty @0x%08lX 鈥� flash ui0902",
                           (unsigned long)UI0902_CHARGE_SCREEN_ADDR);
                 }
-                Power_ChargeBacklightHold();
                 s_charge_ui_drawn = true;
                 Power_LogRails("charge-ui");
             }
@@ -319,11 +306,16 @@ void IdleProcess(DisplayTaskMessage_Type msg)
                 }
                 LCD_WR_PIC_Trans(x, y, g_ChargePctPercent.w, g_ChargePctPercent.h,
                                  g_ChargePctPercent.data, BLACK);
-                Power_ChargeBacklightHold();
+                /* 鎻掑叆鍚庡厛鏄剧ず鍏呯數鐢婚潰銆傞珮浜� 6.8V 涓�鐩翠寒锛涘惁鍒� 10s 鍚庡叧灞忥紝鍏呯數缁х画 */
+                if (app_adc_charge_ui_allowed())
+                    Power_ChargeBacklightSteady();
+                else
+                    Power_ChargeBacklightLowHold();
             }
             else
             {
                 /* 鍏虫満鍏呯數涓嫈鎺夛細鐔勫睆锛屽厑璁镐笅娆″啀杩涘厖鐢甸〉 */
+                Power_ChargeBacklightSessionReset();
                 LCD_BLK_Clr();
                 LCD_FillByColor(0, 0, 240, 320, BLACK);
                 BSP_MainPowerEnable(0);