diff --git a/src/renderer/components/player/MiniPlayBar.vue b/src/renderer/components/player/MiniPlayBar.vue
index aa4eda7..94369da 100644
--- a/src/renderer/components/player/MiniPlayBar.vue
+++ b/src/renderer/components/player/MiniPlayBar.vue
@@ -182,9 +182,11 @@ const palyListRef = useTemplateRef('palyListRef') as any;
 const isPlaylistOpen = ref(false);
 
 // 提供 openPlaylistDrawer 给子组件
+// Mini 窗口（340px 宽）容不下 420px 的歌单抽屉：记录待添加歌曲并恢复主窗口，
+// AppLayout 重新挂载后接力打开抽屉（#504）
 provide('openPlaylistDrawer', (songId: number) => {
-  console.log('打开歌单抽屉', songId);
-  // 由于在迷你模式不处理这个功能，所以只记录日志
+  localStorage.setItem('pendingAddToPlaylistSongId', String(songId));
+  window.api.restore();
 });
 
 // 切换播放列表显示/隐藏
diff --git a/src/renderer/layout/AppLayout.vue b/src/renderer/layout/AppLayout.vue
index 0e3a1c9..ab8c21a 100644
--- a/src/renderer/layout/AppLayout.vue
+++ b/src/renderer/layout/AppLayout.vue
@@ -122,6 +122,15 @@ const isPhone = computed(() => settingsStore.isMobile);
 onMounted(() => {
   settingsStore.initializeSettings();
   settingsStore.initializeTheme();
+
+  // Mini 模式下点了"添加到歌单"会记录歌曲并恢复主窗口，这里接力打开抽屉（#504）
+  const pendingSongId = localStorage.getItem('pendingAddToPlaylistSongId');
+  if (pendingSongId) {
+    localStorage.removeItem('pendingAddToPlaylistSongId');
+    nextTick(() => {
+      openPlaylistDrawer(Number(pendingSongId));
+    });
+  }
 });
 
 const showPlaylistDrawer = ref(false);