diff --git a/app.json b/app.json
index aa51e43..231e1f9 100644
--- a/app.json
+++ b/app.json
@@ -79,6 +79,20 @@
             "drink_water": "./assets/images/icons/IconGlass.png"
           }
         }
+      ],
+      [
+        "expo-background-task",
+        {
+          "minimumInterval": 15
+        }
+      ],
+      [
+        "expo-task-manager",
+        {
+          "taskManagers": [
+            "background-health-reminders"
+          ]
+        }
       ]
     ],
     "experiments": {
diff --git a/ios/Podfile.lock b/ios/Podfile.lock
index ce48827..b597d4b 100644
--- a/ios/Podfile.lock
+++ b/ios/Podfile.lock
@@ -40,6 +40,8 @@ PODS:
     - ExpoModulesCore
   - ExpoAsset (11.1.7):
     - ExpoModulesCore
+  - ExpoBackgroundTask (0.2.8):
+    - ExpoModulesCore
   - ExpoBlur (14.1.5):
     - ExpoModulesCore
   - ExpoCamera (16.1.11):
@@ -102,6 +104,9 @@ PODS:
     - ExpoModulesCore
   - ExpoWebBrowser (14.2.0):
     - ExpoModulesCore
+  - EXTaskManager (13.1.6):
+    - ExpoModulesCore
+    - UMAppLoader
   - fast_float (6.1.4)
   - FBLazyVector (0.79.5)
   - fmt (11.0.2)
@@ -1741,8 +1746,6 @@ PODS:
   - RevenueCat (5.34.0)
   - RNAppleHealthKit (1.7.0):
     - React
-  - RNBackgroundFetch (4.2.8):
-    - React-Core
   - RNCAsyncStorage (2.2.0):
     - React-Core
   - RNCMaskedView (0.3.2):
@@ -1984,6 +1987,7 @@ PODS:
     - SDWebImage/Core (~> 5.17)
   - Sentry/HybridSDK (8.53.2)
   - SocketRocket (0.7.1)
+  - UMAppLoader (5.1.3)
   - Yoga (0.0.0)
   - ZXingObjC/Core (3.6.9)
   - ZXingObjC/OneD (3.6.9):
@@ -2001,6 +2005,7 @@ DEPENDENCIES:
   - Expo (from `../node_modules/expo`)
   - ExpoAppleAuthentication (from `../node_modules/expo-apple-authentication/ios`)
   - ExpoAsset (from `../node_modules/expo-asset/ios`)
+  - ExpoBackgroundTask (from `../node_modules/expo-background-task/ios`)
   - ExpoBlur (from `../node_modules/expo-blur/ios`)
   - ExpoCamera (from `../node_modules/expo-camera/ios`)
   - ExpoFileSystem (from `../node_modules/expo-file-system/ios`)
@@ -2018,6 +2023,7 @@ DEPENDENCIES:
   - ExpoSymbols (from `../node_modules/expo-symbols/ios`)
   - ExpoSystemUI (from `../node_modules/expo-system-ui/ios`)
   - ExpoWebBrowser (from `../node_modules/expo-web-browser/ios`)
+  - EXTaskManager (from `../node_modules/expo-task-manager/ios`)
   - fast_float (from `../node_modules/react-native/third-party-podspecs/fast_float.podspec`)
   - FBLazyVector (from `../node_modules/react-native/Libraries/FBLazyVector`)
   - fmt (from `../node_modules/react-native/third-party-podspecs/fmt.podspec`)
@@ -2091,7 +2097,6 @@ DEPENDENCIES:
   - ReactCodegen (from `build/generated/ios`)
   - ReactCommon/turbomodule/core (from `../node_modules/react-native/ReactCommon`)
   - RNAppleHealthKit (from `../node_modules/react-native-health`)
-  - RNBackgroundFetch (from `../node_modules/react-native-background-fetch`)
   - "RNCAsyncStorage (from `../node_modules/@react-native-async-storage/async-storage`)"
   - "RNCMaskedView (from `../node_modules/@react-native-masked-view/masked-view`)"
   - "RNCPicker (from `../node_modules/@react-native-picker/picker`)"
@@ -2104,6 +2109,7 @@ DEPENDENCIES:
   - RNScreens (from `../node_modules/react-native-screens`)
   - "RNSentry (from `../node_modules/@sentry/react-native`)"
   - RNSVG (from `../node_modules/react-native-svg`)
+  - UMAppLoader (from `../node_modules/unimodules-app-loader/ios`)
   - Yoga (from `../node_modules/react-native/ReactCommon/yoga`)
 
 SPEC REPOS:
@@ -2144,6 +2150,8 @@ EXTERNAL SOURCES:
     :path: "../node_modules/expo-apple-authentication/ios"
   ExpoAsset:
     :path: "../node_modules/expo-asset/ios"
+  ExpoBackgroundTask:
+    :path: "../node_modules/expo-background-task/ios"
   ExpoBlur:
     :path: "../node_modules/expo-blur/ios"
   ExpoCamera:
@@ -2178,6 +2186,8 @@ EXTERNAL SOURCES:
     :path: "../node_modules/expo-system-ui/ios"
   ExpoWebBrowser:
     :path: "../node_modules/expo-web-browser/ios"
+  EXTaskManager:
+    :path: "../node_modules/expo-task-manager/ios"
   fast_float:
     :podspec: "../node_modules/react-native/third-party-podspecs/fast_float.podspec"
   FBLazyVector:
@@ -2320,8 +2330,6 @@ EXTERNAL SOURCES:
     :path: "../node_modules/react-native/ReactCommon"
   RNAppleHealthKit:
     :path: "../node_modules/react-native-health"
-  RNBackgroundFetch:
-    :path: "../node_modules/react-native-background-fetch"
   RNCAsyncStorage:
     :path: "../node_modules/@react-native-async-storage/async-storage"
   RNCMaskedView:
@@ -2346,6 +2354,8 @@ EXTERNAL SOURCES:
     :path: "../node_modules/@sentry/react-native"
   RNSVG:
     :path: "../node_modules/react-native-svg"
+  UMAppLoader:
+    :path: "../node_modules/unimodules-app-loader/ios"
   Yoga:
     :path: "../node_modules/react-native/ReactCommon/yoga"
 
@@ -2359,6 +2369,7 @@ SPEC CHECKSUMS:
   Expo: c9e30ab79606b3800733594a961528bc4abb0ffe
   ExpoAppleAuthentication: 4d2e0c88a4463229760f1fbb9a937a810efb6863
   ExpoAsset: ef06e880126c375f580d4923fdd1cdf4ee6ee7d6
+  ExpoBackgroundTask: 6c1990438e45b5c4bbbc7d75aa6b688d53602fe8
   ExpoBlur: 3c8885b9bf9eef4309041ec87adec48b5f1986a9
   ExpoCamera: e1879906d41184e84b57d7643119f8509414e318
   ExpoFileSystem: 7f92f7be2f5c5ed40a7c9efc8fa30821181d9d63
@@ -2376,6 +2387,7 @@ SPEC CHECKSUMS:
   ExpoSymbols: c5612a90fb9179cdaebcd19bea9d8c69e5d3b859
   ExpoSystemUI: 433a971503b99020318518ed30a58204288bab2d
   ExpoWebBrowser: dc39a88485f007e61a3dff05d6a75f22ab4a2e92
+  EXTaskManager: 280143f6d8e596f28739d74bf34910300dcbd4ea
   fast_float: 23278fd30b349f976d2014f4aec9e2d7bc1c3806
   FBLazyVector: d2a9cd223302b6c9aa4aa34c1a775e9db609eb52
   fmt: b85d977e8fe789fd71c77123f9f4920d88c4d170
@@ -2456,7 +2468,6 @@ SPEC CHECKSUMS:
   ReactCommon: 7eb76fcd5133313d8c6a138a5c7dd89f80f189d5
   RevenueCat: eb2aa042789d9c99ad5172bd96e28b96286d6ada
   RNAppleHealthKit: 86ef7ab70f762b802f5c5289372de360cca701f9
-  RNBackgroundFetch: e44c9e85d7fb3122c37d8a806278f62c7682d7ea
   RNCAsyncStorage: b44e8a4e798c3e1f56bffccd0f591f674fb9198f
   RNCMaskedView: d4644e239e65383f96d2f32c40c297f09705ac96
   RNCPicker: da0f1c9411208c1ca52bc98383db54a06e0a3862
@@ -2475,6 +2486,7 @@ SPEC CHECKSUMS:
   SDWebImageWebPCoder: e38c0a70396191361d60c092933e22c20d5b1380
   Sentry: 59993bffde4a1ac297ba6d268dc4bbce068d7c1b
   SocketRocket: d4aabe649be1e368d1318fdf28a022d714d65748
+  UMAppLoader: 55159b69750129faa7a51c493cb8ea55a7b64eb9
   Yoga: adb397651e1c00672c12e9495babca70777e411e
   ZXingObjC: 8898711ab495761b2dbbdec76d90164a6d7e14c5
 
diff --git a/ios/digitalpilates.xcodeproj/project.pbxproj b/ios/digitalpilates.xcodeproj/project.pbxproj
index 3c002d1..f57ca3c 100644
--- a/ios/digitalpilates.xcodeproj/project.pbxproj
+++ b/ios/digitalpilates.xcodeproj/project.pbxproj
@@ -268,12 +268,12 @@
 				"${PODS_CONFIGURATION_BUILD_DIR}/EXConstants/EXConstants.bundle",
 				"${PODS_CONFIGURATION_BUILD_DIR}/EXConstants/ExpoConstants_privacy.bundle",
 				"${PODS_CONFIGURATION_BUILD_DIR}/EXNotifications/ExpoNotifications_privacy.bundle",
+				"${PODS_CONFIGURATION_BUILD_DIR}/EXTaskManager/ExpoTaskManager_privacy.bundle",
 				"${PODS_CONFIGURATION_BUILD_DIR}/ExpoFileSystem/ExpoFileSystem_privacy.bundle",
 				"${PODS_CONFIGURATION_BUILD_DIR}/ExpoSystemUI/ExpoSystemUI_privacy.bundle",
 				"${PODS_CONFIGURATION_BUILD_DIR}/PurchasesHybridCommon/PurchasesHybridCommon.bundle",
 				"${PODS_CONFIGURATION_BUILD_DIR}/QCloudCOSXML/QCloudCOSXML.bundle",
 				"${PODS_CONFIGURATION_BUILD_DIR}/RCT-Folly/RCT-Folly_privacy.bundle",
-				"${PODS_CONFIGURATION_BUILD_DIR}/RNBackgroundFetch/TSBackgroundFetchPrivacy.bundle",
 				"${PODS_CONFIGURATION_BUILD_DIR}/RNCAsyncStorage/RNCAsyncStorage_resources.bundle",
 				"${PODS_CONFIGURATION_BUILD_DIR}/RNDeviceInfo/RNDeviceInfoPrivacyInfo.bundle",
 				"${PODS_CONFIGURATION_BUILD_DIR}/RNSVG/RNSVGFilters.bundle",
@@ -293,12 +293,12 @@
 				"${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/EXConstants.bundle",
 				"${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/ExpoConstants_privacy.bundle",
 				"${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/ExpoNotifications_privacy.bundle",
+				"${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/ExpoTaskManager_privacy.bundle",
 				"${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/ExpoFileSystem_privacy.bundle",
 				"${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/ExpoSystemUI_privacy.bundle",
 				"${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/PurchasesHybridCommon.bundle",
 				"${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/QCloudCOSXML.bundle",
 				"${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/RCT-Folly_privacy.bundle",
-				"${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/TSBackgroundFetchPrivacy.bundle",
 				"${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/RNCAsyncStorage_resources.bundle",
 				"${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/RNDeviceInfoPrivacyInfo.bundle",
 				"${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/RNSVGFilters.bundle",
diff --git a/ios/digitalpilates/AppDelegate.swift b/ios/digitalpilates/AppDelegate.swift
index e3514aa..a7887e1 100644
--- a/ios/digitalpilates/AppDelegate.swift
+++ b/ios/digitalpilates/AppDelegate.swift
@@ -1,7 +1,6 @@
 import Expo
 import React
 import ReactAppDependencyProvider
-import TSBackgroundFetch
 
 @UIApplicationMain
 public class AppDelegate: ExpoAppDelegate {
@@ -22,8 +21,6 @@ public class AppDelegate: ExpoAppDelegate {
     reactNativeFactory = factory
     bindReactNativeFactory(factory)
 
-    TSBackgroundFetch.sharedInstance().didFinishLaunching();
-
 #if os(iOS) || os(tvOS)
     window = UIWindow(frame: UIScreen.main.bounds)
     factory.startReactNative(
diff --git a/package-lock.json b/package-lock.json
index 264a922..a665ce6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -23,6 +23,7 @@
         "dayjs": "^1.11.13",
         "expo": "53.0.22",
         "expo-apple-authentication": "~7.2.4",
+        "expo-background-task": "~0.2.8",
         "expo-blur": "~14.1.5",
         "expo-camera": "^16.1.11",
         "expo-constants": "~17.1.7",
@@ -39,13 +40,13 @@
         "expo-status-bar": "~2.2.3",
         "expo-symbols": "~0.4.5",
         "expo-system-ui": "~5.0.11",
+        "expo-task-manager": "~13.1.6",
         "expo-web-browser": "~14.2.0",
         "lodash": "^4.17.21",
         "lottie-react-native": "^7.3.4",
         "react": "19.0.0",
         "react-dom": "19.0.0",
         "react-native": "0.79.5",
-        "react-native-background-fetch": "^4.2.8",
         "react-native-cos-sdk": "^1.2.1",
         "react-native-device-info": "^14.0.4",
         "react-native-exit-app": "^2.0.0",
@@ -7125,6 +7126,18 @@
         "react-native": "*"
       }
     },
+    "node_modules/expo-background-task": {
+      "version": "0.2.8",
+      "resolved": "https://registry.npmjs.org/expo-background-task/-/expo-background-task-0.2.8.tgz",
+      "integrity": "sha512-dePyskpmyDZeOtbr9vWFh+Nrse0TvF6YitJqnKcd+3P7pDMiDr1V2aT6zHdNOc5iV9vPaDJoH/zdmlarp1uHMQ==",
+      "license": "MIT",
+      "dependencies": {
+        "expo-task-manager": "~13.1.6"
+      },
+      "peerDependencies": {
+        "expo": "*"
+      }
+    },
     "node_modules/expo-blur": {
       "version": "14.1.5",
       "resolved": "https://registry.npmjs.org/expo-blur/-/expo-blur-14.1.5.tgz",
@@ -7455,6 +7468,19 @@
       "integrity": "sha512-0v2/ruY7eeKun4BeKu+GcfO+SHBdl0LJn4ZFzTzjHdWES0Cn+ONqKljYaIv8p9MV2Hx/kcdEvbY4lWI34jC/mQ==",
       "license": "MIT"
     },
+    "node_modules/expo-task-manager": {
+      "version": "13.1.6",
+      "resolved": "https://registry.npmjs.org/expo-task-manager/-/expo-task-manager-13.1.6.tgz",
+      "integrity": "sha512-sYNAftpIeZ+j6ur17Jo0OpSTk9ks/MDvTbrNCimXMyjIt69XXYL/kAPYf76bWuxOuN8bcJ8Ef8YvihkwFG9hDA==",
+      "license": "MIT",
+      "dependencies": {
+        "unimodules-app-loader": "~5.1.3"
+      },
+      "peerDependencies": {
+        "expo": "*",
+        "react-native": "*"
+      }
+    },
     "node_modules/expo-web-browser": {
       "version": "14.2.0",
       "resolved": "https://registry.npmjs.org/expo-web-browser/-/expo-web-browser-14.2.0.tgz",
@@ -11435,12 +11461,6 @@
         }
       }
     },
-    "node_modules/react-native-background-fetch": {
-      "version": "4.2.8",
-      "resolved": "https://mirrors.tencent.com/npm/react-native-background-fetch/-/react-native-background-fetch-4.2.8.tgz",
-      "integrity": "sha512-vKPumvhBuxr3oI1L7cNunYIsKV8jD4Xz2A9JT/FW5yvn7GAAct184FAZ9dFef75auBxixinaCjRBlip53xGWmQ==",
-      "license": "MIT"
-    },
     "node_modules/react-native-cos-sdk": {
       "version": "1.2.1",
       "resolved": "https://mirrors.tencent.com/npm/react-native-cos-sdk/-/react-native-cos-sdk-1.2.1.tgz",
@@ -13884,6 +13904,12 @@
         "node": ">=4"
       }
     },
+    "node_modules/unimodules-app-loader": {
+      "version": "5.1.3",
+      "resolved": "https://registry.npmjs.org/unimodules-app-loader/-/unimodules-app-loader-5.1.3.tgz",
+      "integrity": "sha512-nPUkwfkpJWvdOQrVvyQSUol93/UdmsCVd9Hkx9RgAevmKSVYdZI+S87W73NGKl6QbwK9L1BDSY5OrQuo8Oq15g==",
+      "license": "MIT"
+    },
     "node_modules/unique-string": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/unique-string/-/unique-string-2.0.0.tgz",
diff --git a/package.json b/package.json
index 7519bb7..7eaaa9c 100644
--- a/package.json
+++ b/package.json
@@ -43,13 +43,13 @@
     "expo-status-bar": "~2.2.3",
     "expo-symbols": "~0.4.5",
     "expo-system-ui": "~5.0.11",
+    "expo-task-manager": "~13.1.6",
     "expo-web-browser": "~14.2.0",
     "lodash": "^4.17.21",
     "lottie-react-native": "^7.3.4",
     "react": "19.0.0",
     "react-dom": "19.0.0",
     "react-native": "0.79.5",
-    "react-native-background-fetch": "^4.2.8",
     "react-native-cos-sdk": "^1.2.1",
     "react-native-device-info": "^14.0.4",
     "react-native-exit-app": "^2.0.0",
@@ -69,7 +69,8 @@
     "react-native-web": "~0.20.0",
     "react-native-webview": "13.13.5",
     "react-native-wheel-picker-expo": "^0.5.4",
-    "react-redux": "^9.2.0"
+    "react-redux": "^9.2.0",
+    "expo-background-task": "~0.2.8"
   },
   "devDependencies": {
     "@babel/core": "^7.25.2",
diff --git a/services/backgroundTaskManager.ts b/services/backgroundTaskManager.ts
index a7a3eb6..c8eb95d 100644
--- a/services/backgroundTaskManager.ts
+++ b/services/backgroundTaskManager.ts
@@ -1,7 +1,8 @@
 import { store } from '@/store';
 import { StandReminderHelpers, WaterNotificationHelpers } from '@/utils/notificationHelpers';
 import AsyncStorage from '@react-native-async-storage/async-storage';
-import BackgroundFetch from 'react-native-background-fetch';
+import * as BackgroundTask from 'expo-background-task';
+import * as TaskManager from 'expo-task-manager';
 
 /**
  * 后台任务标识符
@@ -9,11 +10,148 @@ import BackgroundFetch from 'react-native-background-fetch';
 export const BACKGROUND_TASK_IDS = {
   WATER_REMINDER: 'water-reminder-task',
   STAND_REMINDER: 'stand-reminder-task',
+  HEALTH_REMINDERS: 'background-health-reminders',
 } as const;
 
+// 定义后台任务
+TaskManager.defineTask(BACKGROUND_TASK_IDS.HEALTH_REMINDERS, async () => {
+  try {
+    console.log('[BackgroundTask] 后台任务执行');
+    await executeBackgroundTasks();
+    return BackgroundTask.BackgroundTaskResult.Success;
+  } catch (error) {
+    console.error('[BackgroundTask] 任务执行失败:', error);
+    return BackgroundTask.BackgroundTaskResult.Failed;
+  }
+});
+
+// 检查通知权限
+async function checkNotificationPermissions(): Promise<boolean> {
+  try {
+    const Notifications = await import('expo-notifications');
+    const { status } = await Notifications.getPermissionsAsync();
+    return status === 'granted';
+  } catch (error) {
+    console.error('检查通知权限失败:', error);
+    return false;
+  }
+}
+
+// 执行喝水提醒后台任务
+async function executeWaterReminderTask(): Promise<void> {
+  try {
+    console.log('执行喝水提醒后台任务...');
+
+    // 获取当前状态
+    const state = store.getState();
+    const waterStats = state.water.todayStats;
+    const userProfile = state.user.profile;
+
+    // 检查是否有喝水目标设置
+    if (!waterStats || !waterStats.dailyGoal || waterStats.dailyGoal <= 0) {
+      console.log('没有设置喝水目标，跳过喝水提醒');
+      return;
+    }
+
+    // 检查时间限制（避免深夜打扰）
+    const currentHour = new Date().getHours();
+    if (currentHour < 9 || currentHour >= 21) {
+      console.log(`当前时间${currentHour}点，不在提醒时间范围内，跳过喝水提醒`);
+      return;
+    }
+
+    // 获取用户名
+    const userName = userProfile?.name || '朋友';
+
+    // 构造今日统计数据
+    const todayWaterStats = {
+      totalAmount: waterStats.totalAmount || 0,
+      dailyGoal: waterStats.dailyGoal,
+      completionRate: waterStats.completionRate || 0
+    };
+
+    // 调用喝水通知检查函数
+    const notificationSent = await WaterNotificationHelpers.checkWaterGoalAndNotify(
+      userName,
+      todayWaterStats,
+      currentHour
+    );
+
+    if (notificationSent) {
+      console.log('后台喝水提醒通知已发送');
+      // 记录后台任务执行时间
+      await AsyncStorage.setItem('@last_background_water_check', Date.now().toString());
+    } else {
+      console.log('无需发送后台喝水提醒通知');
+    }
+
+  } catch (error) {
+    console.error('执行喝水提醒后台任务失败:', error);
+  }
+}
+
+// 执行站立提醒后台任务
+async function executeStandReminderTask(): Promise<void> {
+  try {
+    console.log('执行站立提醒后台任务...');
+
+    // 获取当前状态
+    const state = store.getState();
+    const userProfile = state.user.profile;
+
+    // 检查时间限制（工作时间内提醒，避免深夜或清晨打扰）
+    const currentHour = new Date().getHours();
+    if (currentHour < 9 || currentHour >= 21) {
+      console.log(`当前时间${currentHour}点，不在站立提醒时间范围内，跳过站立提醒`);
+      return;
+    }
+
+    // 获取用户名
+    const userName = userProfile?.name || '朋友';
+
+    // 调用站立提醒检查函数
+    const notificationSent = await StandReminderHelpers.checkStandStatusAndNotify(userName);
+
+    if (notificationSent) {
+      console.log('后台站立提醒通知已发送');
+      // 记录后台任务执行时间
+      await AsyncStorage.setItem('@last_background_stand_check', Date.now().toString());
+    } else {
+      console.log('无需发送后台站立提醒通知');
+    }
+
+  } catch (error) {
+    console.error('执行站立提醒后台任务失败:', error);
+  }
+}
+
+// 后台任务执行函数
+async function executeBackgroundTasks(): Promise<void> {
+  console.log('开始执行后台任务...');
+
+  try {
+    // 检查应用权限和用户设置
+    const hasPermission = await checkNotificationPermissions();
+    if (!hasPermission) {
+      console.log('没有通知权限，跳过后台任务');
+      return;
+    }
+
+    // 执行喝水提醒检查任务
+    await executeWaterReminderTask();
+
+    // 执行站立提醒检查任务
+    await executeStandReminderTask();
+
+    console.log('后台任务执行完成');
+  } catch (error) {
+    console.error('执行后台任务失败:', error);
+  }
+}
+
 /**
  * 后台任务管理器
- * 负责配置和管理 iOS 应用的后台任务执行
+ * 负责配置和管理应用的后台任务执行
  */
 export class BackgroundTaskManager {
   private static instance: BackgroundTaskManager;
@@ -36,194 +174,32 @@ export class BackgroundTaskManager {
     }
 
     try {
-      // 配置后台获取
-      const status = await BackgroundFetch.configure({
-        minimumFetchInterval: 15, // 最小间隔15分钟（单位：秒）
-      }, async (taskId) => {
-        console.log('[BackgroundFetch] 后台任务执行:', taskId);
-        await this.executeBackgroundTasks();
-        // 完成任务
-        BackgroundFetch.finish(taskId);
-      }, (error) => {
-        console.error('[BackgroundFetch] 配置失败:', error);
+      // 注册后台任务
+      const status = await BackgroundTask.registerTaskAsync(BACKGROUND_TASK_IDS.HEALTH_REMINDERS, {
+        minimumInterval: 15, // 15分钟
       });
 
-      console.log('[BackgroundFetch] 配置状态:', status);
+      console.log('[BackgroundTask] 配置状态:', status);
 
       this.isInitialized = true;
       console.log('后台任务管理器初始化完成');
 
-      // 初始化完成后自动启动后台任务
-      await this.start();
-      console.log('后台任务已自动启动');
-
     } catch (error) {
       console.error('初始化后台任务管理器失败:', error);
       throw error;
     }
   }
 
-  /**
-   * 执行后台任务
-   */
-  private async executeBackgroundTasks(): Promise<void> {
-    console.log('开始执行后台任务...');
 
-    try {
-      // 检查应用权限和用户设置
-      const hasPermission = await this.checkNotificationPermissions();
-      if (!hasPermission) {
-        console.log('没有通知权限，跳过后台任务');
-        return;
-      }
-
-      // 获取用户名
-      const state = store.getState();
-      const userName = state.user.profile?.name || '朋友';
-
-      // 发送测试通知
-      const Notifications = await import('expo-notifications');
-
-      await Notifications.scheduleNotificationAsync({
-        content: {
-          title: '测试通知',
-          body: `你好 ${userName}！这是一条测试消息，用于验证通知功能是否正常工作。`,
-          data: { type: 'test_notification', timestamp: Date.now() },
-          sound: true,
-          priority: Notifications.AndroidNotificationPriority.HIGH,
-        },
-        trigger: null, // 立即发送
-      });
-
-      // 执行喝水提醒检查任务
-      await this.executeWaterReminderTask();
-
-      // 执行站立提醒检查任务
-      await this.executeStandReminderTask();
-
-      console.log('后台任务执行完成');
-    } catch (error) {
-      console.error('执行后台任务失败:', error);
-    }
-  }
-
-  /**
-   * 执行喝水提醒后台任务
-   */
-  private async executeWaterReminderTask(): Promise<void> {
-    try {
-      console.log('执行喝水提醒后台任务...');
-
-      // 获取当前状态
-      const state = store.getState();
-      const waterStats = state.water.todayStats;
-      const userProfile = state.user.profile;
-
-      // 检查是否有喝水目标设置
-      if (!waterStats || !waterStats.dailyGoal || waterStats.dailyGoal <= 0) {
-        console.log('没有设置喝水目标，跳过喝水提醒');
-        return;
-      }
-
-      // 检查时间限制（避免深夜打扰）
-      const currentHour = new Date().getHours();
-      if (currentHour < 9 || currentHour >= 21) {
-        console.log(`当前时间${currentHour}点，不在提醒时间范围内，跳过喝水提醒`);
-        return;
-      }
-
-      // 获取用户名
-      const userName = userProfile?.name || '朋友';
-
-      // 构造今日统计数据
-      const todayWaterStats = {
-        totalAmount: waterStats.totalAmount || 0,
-        dailyGoal: waterStats.dailyGoal,
-        completionRate: waterStats.completionRate || 0
-      };
-
-      // 调用喝水通知检查函数
-      const notificationSent = await WaterNotificationHelpers.checkWaterGoalAndNotify(
-        userName,
-        todayWaterStats,
-        currentHour
-      );
-
-      if (notificationSent) {
-        console.log('后台喝水提醒通知已发送');
-        // 记录后台任务执行时间
-        await AsyncStorage.setItem('@last_background_water_check', Date.now().toString());
-      } else {
-        console.log('无需发送后台喝水提醒通知');
-      }
-
-    } catch (error) {
-      console.error('执行喝水提醒后台任务失败:', error);
-    }
-  }
-
-  /**
-   * 执行站立提醒后台任务
-   */
-  private async executeStandReminderTask(): Promise<void> {
-    try {
-      console.log('执行站立提醒后台任务...');
-
-      // 获取当前状态
-      const state = store.getState();
-      const userProfile = state.user.profile;
-
-      // 检查时间限制（工作时间内提醒，避免深夜或清晨打扰）
-      const currentHour = new Date().getHours();
-      if (currentHour < 9 || currentHour >= 21) {
-        console.log(`当前时间${currentHour}点，不在站立提醒时间范围内，跳过站立提醒`);
-        return;
-      }
-
-      // 获取用户名
-      const userName = userProfile?.name || '朋友';
-
-      // 调用站立提醒检查函数
-      const notificationSent = await StandReminderHelpers.checkStandStatusAndNotify(userName);
-
-      if (notificationSent) {
-        console.log('后台站立提醒通知已发送');
-        // 记录后台任务执行时间
-        await AsyncStorage.setItem('@last_background_stand_check', Date.now().toString());
-      } else {
-        console.log('无需发送后台站立提醒通知');
-      }
-
-    } catch (error) {
-      console.error('执行站立提醒后台任务失败:', error);
-    }
-  }
-
-  /**
-   * 检查通知权限
-   */
-  private async checkNotificationPermissions(): Promise<boolean> {
-    try {
-      const Notifications = await import('expo-notifications');
-      const { status } = await Notifications.getPermissionsAsync();
-      return status === 'granted';
-    } catch (error) {
-      console.error('检查通知权限失败:', error);
-      return false;
-    }
-  }
 
   /**
    * 启动后台任务
    */
   async start(): Promise<void> {
     try {
-      BackgroundFetch.scheduleTask({
-        taskId: 'com.anonymous.digitalpilates.backgroundfetch',
-        delay: 15 * 60 * 1000
+      await BackgroundTask.registerTaskAsync(BACKGROUND_TASK_IDS.HEALTH_REMINDERS, {
+        minimumInterval: 15,
       });
-
-      await BackgroundFetch.start();
       console.log('后台任务已启动');
     } catch (error) {
       console.error('启动后台任务失败:', error);
@@ -235,7 +211,7 @@ export class BackgroundTaskManager {
    */
   async stop(): Promise<void> {
     try {
-      await BackgroundFetch.stop();
+      await BackgroundTask.unregisterTaskAsync(BACKGROUND_TASK_IDS.HEALTH_REMINDERS);
       console.log('后台任务已停止');
     } catch (error) {
       console.error('停止后台任务失败:', error);
@@ -245,12 +221,13 @@ export class BackgroundTaskManager {
   /**
    * 获取后台任务状态
    */
-  async getStatus(): Promise<number> {
+  async getStatus(): Promise<BackgroundTask.BackgroundTaskStatus> {
     try {
-      return await BackgroundFetch.status();
+      const status = await BackgroundTask.getStatusAsync();
+      return status || BackgroundTask.BackgroundTaskStatus.Restricted;
     } catch (error) {
       console.error('获取后台任务状态失败:', error);
-      return BackgroundFetch.STATUS_DENIED;
+      return BackgroundTask.BackgroundTaskStatus.Restricted;
     }
   }
 
@@ -261,11 +238,9 @@ export class BackgroundTaskManager {
     const status = await this.getStatus();
 
     switch (status) {
-      case BackgroundFetch.STATUS_AVAILABLE:
+      case BackgroundTask.BackgroundTaskStatus.Available:
         return '可用';
-      case BackgroundFetch.STATUS_DENIED:
-        return '被拒绝';
-      case BackgroundFetch.STATUS_RESTRICTED:
+      case BackgroundTask.BackgroundTaskStatus.Restricted:
         return '受限制';
       default:
         return '未知';
@@ -280,7 +255,7 @@ export class BackgroundTaskManager {
 
     try {
       // 手动触发后台任务执行
-      await this.executeBackgroundTasks();
+      await executeBackgroundTasks();
       console.log('后台任务测试完成');
     } catch (error) {
       console.error('后台任务测试失败:', error);
@@ -396,7 +371,7 @@ export class BackgroundTaskManager {
 
     try {
       // 手动触发站立提醒任务执行
-      await this.executeStandReminderTask();
+      await executeStandReminderTask();
       console.log('站立提醒后台任务测试完成');
     } catch (error) {
       console.error('站立提醒后台任务测试失败:', error);