From 63e880c29002bf7abf900413441d0018d8fb3050 Mon Sep 17 00:00:00 2001
From: Caisking <Casiking@zhihuishixun.com>
Date: Thu, 8 Jan 2026 14:26:53 +0800
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---
 .../nativeapp/nativeui/sleepmode/src/SleepModeModel.cpp   | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/code/sdk/application/wearable/fd272/nativeapp/nativeui/sleepmode/src/SleepModeModel.cpp b/code/sdk/application/wearable/fd272/nativeapp/nativeui/sleepmode/src/SleepModeModel.cpp
index 34ca6a34b..378fb50ad 100644
--- a/code/sdk/application/wearable/fd272/nativeapp/nativeui/sleepmode/src/SleepModeModel.cpp
+++ b/code/sdk/application/wearable/fd272/nativeapp/nativeui/sleepmode/src/SleepModeModel.cpp
@@ -48,6 +48,10 @@ namespace OHOS
 
         // turn down brightness
         const power_display_svr_api_t *display_api = power_display_svr_get_api();
+        // 检查屏幕状态，如果屏幕关闭，先开启屏幕再设置亮度，确保亮度设置生效
+        if (display_api->get_screen_state() == SCREEN_OFF) {
+            display_api->turn_on_screen();
+        }
         display_api->set_brightness(MIN_BRIGHTNESS);
     }
 
@@ -76,6 +80,10 @@ namespace OHOS
 
         // reset brightness
         const power_display_svr_api_t *display_api = power_display_svr_get_api();
+        // 检查屏幕状态，如果屏幕关闭，先开启屏幕再设置亮度，确保亮度恢复生效
+        if (display_api->get_screen_state() == SCREEN_OFF) {
+            display_api->turn_on_screen();
+        }
         display_api->set_brightness(OHOS::ConfigModel::GetInstance()->GetBrightness());
     }
 
-- 
2.17.1