refactor: 重构音乐和歌词缓存逻辑 可配置缓存目录

src/renderer/views/user/followers.vue

@@ -204,7 +204,7 @@ const loadFollowerList = async () => {
     hasMoreFollowers.value = newFollowers.length >= followerLimit.value;
   } catch (error) {
     console.error('加载粉丝列表失败:', error);
-    message.error(t('user.follower.loadFailed'));
+    message.error(t('common.loadFailed'));
   } finally {
     followerListLoading.value = false;
   }

src/renderer/views/user/follows.vue

@@ -206,7 +206,7 @@ const loadFollowList = async () => {
     hasMoreFollows.value = newFollows.length >= followLimit.value;
   } catch (error) {
     console.error('加载关注列表失败:', error);
-    message.error(t('user.follow.loadFailed'));
+    message.error(t('common.loadFailed'));
   } finally {
     followListLoading.value = false;
   }