diff --git a/powerbell/src/main/java/cc/winboll/studio/powerbell/utils/BatteryUtils.java b/powerbell/src/main/java/cc/winboll/studio/powerbell/utils/BatteryUtils.java
index c5e6950..fb28e4b 100644
--- a/powerbell/src/main/java/cc/winboll/studio/powerbell/utils/BatteryUtils.java
+++ b/powerbell/src/main/java/cc/winboll/studio/powerbell/utils/BatteryUtils.java
@@ -1,80 +1,75 @@
 package cc.winboll.studio.powerbell.utils;
 
-import android.app.Notification;
-import android.app.NotificationManager;
-import android.content.Context;
 import android.content.Intent;
-import android.content.IntentFilter;
 import android.os.BatteryManager;
 import cc.winboll.studio.libappbase.LogUtils;
-import cc.winboll.studio.powerbell.R;
 
 /**
- * 电池工具类：获取电池状态、发送提醒通知（复用逻辑，避免代码冗余）
+ * @Author ZhanGSKen&豆包大模型<zhangsken@qq.com>
+ * @Date 2024/07/18 04:32:46
+ * @Describe 电池状态工具类
+ * 功能：解析电池广播Intent，获取充电状态、当前电量
+ * 适配：Java7 | API30 | 小米手机
  */
 public class BatteryUtils {
-    private static final String TAG = "BatteryUtils";
-    private static final int REMIND_NOTIFICATION_ID = 10087; // 提醒通知ID
+    // ================================== 静态常量区（置顶归类，消除魔法值）=================================
+    public static final String TAG = "BatteryUtils";
 
-    /**
-     * 获取当前电池电量（0-100）
-     */
-    public static int getCurrentBattery(Context context) {
-        Intent batteryIntent = context.getApplicationContext().registerReceiver(
-			null, new IntentFilter(Intent.ACTION_BATTERY_CHANGED)
-        );
-        if (batteryIntent == null) return 0;
-        // 提取电量（当前电量/总电量 * 100）
-        int level = batteryIntent.getIntExtra(BatteryManager.EXTRA_LEVEL, 0);
-        int scale = batteryIntent.getIntExtra(BatteryManager.EXTRA_SCALE, 100);
-        return (level * 100) / scale;
-    }
+    // 电池电量计算常量
+    private static final int BATTERY_SCALE_DEFAULT = 100;
+    private static final int BATTERY_LEVEL_MIN = 0;
+    private static final int BATTERY_LEVEL_MAX = 100;
 
+    // ================================== 工具方法（静态方法，无状态设计）=================================
     /**
-     * 判断是否正在充电（有线/无线均可）
+     * 判断当前是否处于充电状态
+     * @param intent 电池状态广播Intent（非空）
+     * @return true=充电中/已充满，false=未充电
      */
-    public static boolean isCharging(Context context) {
-        Intent batteryIntent = context.getApplicationContext().registerReceiver(
-			null, new IntentFilter(Intent.ACTION_BATTERY_CHANGED)
-        );
-        if (batteryIntent == null) return false;
-        int status = batteryIntent.getIntExtra(BatteryManager.EXTRA_STATUS, BatteryManager.BATTERY_STATUS_UNKNOWN);
-        return status == BatteryManager.BATTERY_STATUS_CHARGING 
-			|| status == BatteryManager.BATTERY_STATUS_FULL;
-    }
-
-    /**
-     * 显示充电提醒通知
-     */
-    public static void showChargeReminderNotification(Context context) {
-        Notification notification = new Notification.Builder(context)
-			.setSmallIcon(R.drawable.ic_launcher)
-			.setContentTitle("充电提醒")
-			.setContentText("电池电量已达标，建议及时断电保护电池～")
-			.setAutoCancel(true) // 点击后取消通知
-			.build();
-        NotificationManager manager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
-        if (manager != null) {
-            manager.notify(REMIND_NOTIFICATION_ID, notification);
+    public static boolean isCharging(Intent intent) {
+        LogUtils.d(TAG, "isCharging: 调用 | intent=" + intent);
+        // 入参非空校验
+        if (intent == null) {
+            LogUtils.e(TAG, "isCharging: intent为空，返回false");
+            return false;
         }
-        LogUtils.d(TAG, "showChargeReminderNotification: notification show");
+
+        int status = intent.getIntExtra(BatteryManager.EXTRA_STATUS, -1);
+        boolean isCharging = status == BatteryManager.BATTERY_STATUS_CHARGING || status == BatteryManager.BATTERY_STATUS_FULL;
+        LogUtils.d(TAG, "isCharging: 解析完成 | status=" + status + " | result=" + isCharging);
+        return isCharging;
     }
 
     /**
-     * 显示耗电提醒通知
+     * 获取当前电池电量百分比（0-100）
+     * @param intent 电池状态广播Intent（非空）
+     * @return 电量百分比，异常返回0
      */
-    public static void showUsageReminderNotification(Context context) {
-        Notification notification = new Notification.Builder(context)
-			.setSmallIcon(R.drawable.ic_launcher)
-			.setContentTitle("耗电提醒")
-			.setContentText("电池电量偏低，建议及时充电～")
-			.setAutoCancel(true)
-			.build();
-        NotificationManager manager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
-        if (manager != null) {
-            manager.notify(REMIND_NOTIFICATION_ID, notification);
+    public static int getCurrentBatteryLevel(Intent intent) {
+        LogUtils.d(TAG, "getCurrentBatteryLevel: 调用 | intent=" + intent);
+        // 入参非空校验
+        if (intent == null) {
+            LogUtils.e(TAG, "getCurrentBatteryLevel: intent为空，返回0");
+            return BATTERY_LEVEL_MIN;
         }
-        LogUtils.d(TAG, "showUsageReminderNotification: notification show");
+
+        // 解析电量原始值与刻度值
+        int level = intent.getIntExtra(BatteryManager.EXTRA_LEVEL, BATTERY_LEVEL_MIN);
+        int scale = intent.getIntExtra(BatteryManager.EXTRA_SCALE, BATTERY_SCALE_DEFAULT);
+        LogUtils.d(TAG, "getCurrentBatteryLevel: 原始值 | level=" + level + " | scale=" + scale);
+
+        // 计算并校验电量百分比，避免除以0或数值越界
+        int batteryLevel;
+        if (scale <= 0) {
+            batteryLevel = level;
+            LogUtils.w(TAG, "getCurrentBatteryLevel: scale无效，直接使用level值");
+        } else {
+            batteryLevel = level * BATTERY_SCALE_DEFAULT / scale;
+        }
+        // 确保电量值在0-100范围内
+        batteryLevel = Math.max(BATTERY_LEVEL_MIN, Math.min(batteryLevel, BATTERY_LEVEL_MAX));
+        LogUtils.d(TAG, "getCurrentBatteryLevel: 计算完成 | batteryLevel=" + batteryLevel + "%");
+        return batteryLevel;
     }
 }