1.5.2版本发布及部分readme更新

lib/widgets/battery_summary.dart

@@ -91,7 +91,7 @@ class BatterySummary extends StatelessWidget {
                     text: ' / ',
                     style: TextStyle(
                       fontFamily: 'HarmonyOS_Sans_SC',
-                      color: const Color(0xFF5F5F5F).withOpacity(0.5),
+                      color: const Color(0xFF5F5F5F).withValues(alpha: 0.5),
                     ),
                   ),
                   TextSpan(text: designCap.toString()),

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 _getProtocolDisplay() {
     if (isWireless) return '无线充电（$chargeType）';