diff --git a/lib/constants/ui_constants.dart b/lib/constants/ui_constants.dart
new file mode 100644
index 0000000..c87bf3d
--- /dev/null
+++ b/lib/constants/ui_constants.dart
@@ -0,0 +1,5 @@
+// lib/constants/ui_constants.dart
+class UIConstants {
+  static const double miniPlayerHeight = 60;
+  static const double miniPlayerBottomSpace = 80; // 60 + 20 安全余量
+}
diff --git a/lib/pages/home_page.dart b/lib/pages/home_page.dart
index 7b3cc5f..e6a3b53 100644
--- a/lib/pages/home_page.dart
+++ b/lib/pages/home_page.dart
@@ -6,6 +6,7 @@ import '../services/playback_service.dart';
 import '../widgets/magnetic_scroll_physics.dart';
 import 'webdav_setup_page.dart';
 import 'webdav_file_list_page.dart';
+import '../constants/ui_constants.dart';
 
 // ==================================================
 // 歌曲数据模型
@@ -553,7 +554,7 @@ class _HomePageState extends State<HomePage> {
                   padding: const EdgeInsets.only(
                     left: 20,
                     right: 20,
-                    bottom: 20,
+                    bottom: UIConstants.miniPlayerBottomSpace,
                   ),
                   sliver: _isLoading
                       ? const SliverFillRemaining(
diff --git a/lib/pages/playlist_page.dart b/lib/pages/playlist_page.dart
index 90d1a2b..aac044f 100644
--- a/lib/pages/playlist_page.dart
+++ b/lib/pages/playlist_page.dart
@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import '../services/audio_service.dart';
+import '../constants/ui_constants.dart';
 
 class PlaylistPage extends StatelessWidget {
   const PlaylistPage({super.key});
@@ -83,7 +84,12 @@ class PlaylistPage extends StatelessWidget {
               ),
             )
           : ListView.builder(
-              padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
+              padding: const EdgeInsets.only(
+                left: 16,
+                right: 16,
+                top: 8,
+                bottom: UIConstants.miniPlayerBottomSpace,
+              ),
               itemCount: queue.length,
               itemBuilder: (context, index) {
                 final song = queue[index];
diff --git a/lib/pages/webdav_file_list_page.dart b/lib/pages/webdav_file_list_page.dart
index a3ce3ed..50c7cbd 100644
--- a/lib/pages/webdav_file_list_page.dart
+++ b/lib/pages/webdav_file_list_page.dart
@@ -6,6 +6,7 @@ import 'package:provider/provider.dart';
 import '../services/webdav_service.dart';
 import '../services/playback_service.dart';
 import '../services/audio_service.dart';
+import '../constants/ui_constants.dart';
 
 class WebDAVFileListPage extends StatefulWidget {
   final String currentPath;
@@ -315,8 +316,12 @@ class _WebDAVFileListPageState extends State<WebDAVFileListPage> {
                       ),
                     )
                   : ListView.builder(
-                      padding: const EdgeInsets.symmetric(
-                          horizontal: 16, vertical: 8),
+                      padding: const EdgeInsets.only(
+                        left: 16,
+                        right: 16,
+                        top: 8,
+                        bottom: UIConstants.miniPlayerBottomSpace,
+                      ),
                       itemCount: _items.length,
                       itemBuilder: (context, index) {
                         final item = _items[index];