暂时把bug先处理掉了，准备尝试实现最小播放目标

lib/pages/playlist_page.dart

@@ -1,53 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:provider/provider.dart';
-import '../models/song_model.dart';
-import '../services/audio_service.dart';
-import '../widgets/full_player_page.dart';
-
-class PlaylistPage extends StatelessWidget {
-  const PlaylistPage({super.key});
-
-  @override
-  Widget build(BuildContext context) {
-    final songs = Song.placeholderSongs; // 后续替换成 WebDAV/SAF 列表
-
-    return Scaffold(
-      appBar: AppBar(
-        title: const Text('我的清听'),
-        actions: [
-          IconButton(
-            icon: const Icon(Icons.shuffle),
-            onPressed: () {}, // 以后实现随机
-          ),
-        ],
-      ),
-      body: ListView.builder(
-        padding: const EdgeInsets.symmetric(vertical: 8),
-        itemCount: songs.length,
-        itemBuilder: (context, index) {
-          final song = songs[index];
-          return ListTile(
-            leading: const CircleAvatar(
-              backgroundColor: Color(0xFF2A3332),
-              child: Icon(Icons.audiotrack, size: 20, color: Colors.white54),
-            ),
-            title: Text(song.title,
-                style: const TextStyle(fontWeight: FontWeight.w500)),
-            subtitle: Text(song.artist,
-                style: TextStyle(color: Colors.grey[400], fontSize: 13)),
-            trailing: const Icon(Icons.more_vert, color: Colors.grey),
-            onTap: () {
-              // 1. 先更新服务，显示迷你条
-              context.read<AudioService>().playSong(song);
-              // 2. 再跳转全屏播放器
-              Navigator.push(
-                context,
-                MaterialPageRoute(builder: (_) => const FullPlayerPage()),
-              );
-            },
-          );
-        },
-      ),
-    );
-  }
-}

lib/pages/webdav_setup_page.dart

@@ -37,7 +37,7 @@ class _WebDAVSetupPageState extends State<WebDAVSetupPage> {
       _isConnected = hasCred;
       _statusText = hasCred ? '已连接' : '未连接';
       if (hasCred) {
-        _baseUrlController.text = WebDAVService.instance._baseUrl ?? '';
+        _baseUrlController.text = WebDAVService.instance.baseUrl ?? '';
         // 用户名不显示，保持隐私
       }
     });