diff --git a/lib/pages/battery_health_page.dart b/lib/pages/battery_health_page.dart
index db5e004..405fff4 100644
--- a/lib/pages/battery_health_page.dart
+++ b/lib/pages/battery_health_page.dart
@@ -2,9 +2,7 @@ import 'dart:async';
 import 'dart:developer' as dev;
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
-import 'package:flutter_svg/flutter_svg.dart';
 import 'package:device_info_plus/device_info_plus.dart';
-import 'package:shared_preferences/shared_preferences.dart';
 
 // 检查这些导入是否正确
 import '../models/device_matching.dart'; // ✅ 存在
diff --git a/lib/utils/time_utils.dart b/lib/utils/time_utils.dart
index 670fc31..3aec972 100644
--- a/lib/utils/time_utils.dart
+++ b/lib/utils/time_utils.dart
@@ -1,5 +1,3 @@
-import 'dart:developer' as dev;
-
 class TimeUtils {
   /// 解析日志行中的时间戳，强制解析为 UTC
   static DateTime? parseLogTimestamp(String line) {
diff --git a/lib/widgets/charge_detail_page.dart b/lib/widgets/charge_detail_page.dart
index 015fadc..54d1842 100644
--- a/lib/widgets/charge_detail_page.dart
+++ b/lib/widgets/charge_detail_page.dart
@@ -11,14 +11,14 @@ class ChargeDetailPage extends StatelessWidget {
   final int? wiredLevel;
 
   const ChargeDetailPage({
-    Key? key,
+    super.key,
     required this.chargeType,
     required this.isWireless,
     required this.power,
     required this.volt,
     required this.curr,
     this.wiredLevel,
-  }) : super(key: key);
+  });
 
   String _getDisplayPower() {
     if (isWireless) {