diff --git a/src/rn-dy-glucose-driver.js b/src/rn-dy-glucose-driver.js
index 334c9a3..bbbdf90 100755
--- a/src/rn-dy-glucose-driver.js
+++ b/src/rn-dy-glucose-driver.js
@@ -1,6 +1,6 @@
 'use strict';
 import React, { Component } from 'react';
-import { NativeModules, DeviceEventEmitter, Platform } from 'react-native';
+import { NativeModules, DeviceEventEmitter, Platform,AppState, } from 'react-native';
 
 
 
@@ -74,9 +74,11 @@ export default class RNDYGlucoseDriver {
         this._timeoutPromise = this._timeoutPromise.bind(this);
         this.connectDevice = this.connectDevice.bind(this);
         this._mixTimeoutPromise = this._mixTimeoutPromise.bind(this);
+        this._blockSleep = this._blockSleep.bind(this);
         this._executeEvent = this._executeEvent.bind(this);
         this._registerEvent = this._registerEvent.bind(this);
         this._commadTimeInterval = this._commadTimeInterval.bind(this);
+        this._commadTimeIntervalWithTimer = this._commadTimeIntervalWithTimer.bind(this);
         this.createAuthChannel = this.createAuthChannel.bind(this);
         this.disconnecAllDevicestWithout = this.disconnecAllDevicestWithout.bind(this);
         this.getAllDataFromIndex = this.getAllDataFromIndex.bind(this);
@@ -335,7 +337,7 @@ export default class RNDYGlucoseDriver {
             this._eventMap[DYG_ON_GET_BATTERY] = (deviceInfo) => {
                 console.log(TAG, 'resolve ' + DYG_ON_GET_BATTERY);
                 const { value } = deviceInfo;
-                resolve(percent);
+                resolve(value);
             }
         });
         return this._mixTimeoutPromise(devicePromise);
@@ -637,7 +639,7 @@ export default class RNDYGlucoseDriver {
         });
     }
 
-    _commadTimeInterval(interval) {
+    _commadTimeIntervalWithTimer(interval) {
         return new Promise((resolve, reject) => {
             setTimeout(() => {
                 resolve('command await time out');
@@ -645,6 +647,30 @@ export default class RNDYGlucoseDriver {
         });
     }
 
+    // 阻塞方法，模拟 sleep 功能
+    _blockSleep(milliseconds) {
+        return new Promise(resolve => {
+            const start = new Date().getTime();
+            let current = start;
+            while (current - start < milliseconds) {
+                current = new Date().getTime();
+            }
+            resolve();
+        });
+    }
+
+    _commadTimeInterval(interval) {
+        if (Platform.OS === 'android' && AppState.currentState !== 'active') {
+            // 如果在后台运行，使用阻塞方法
+            console.log(TAG,'start blocker');
+            return this._blockSleep(interval);
+        } else {
+            // 如果在前台运行，使用 setTimeout
+            console.log(TAG,'start timer');
+            return this._commadTimeIntervalWithTimer(interval);
+        }
+    }
+
 
     _registerEvent(eventName) {
         this._eventMap[eventName] = (deviceInfo) => {
@@ -670,6 +696,8 @@ export default class RNDYGlucoseDriver {
         this._eventMap[eventName] = null;
     }
 
+
+
     /** 监控底层驱动发送的消息 */
     startMonitorDriverEvent() {
         this._createChannel = (deviceInfo) => {