From 231a0ad6fe1b21b0a5bfcd049166812b24c0ab78 Mon Sep 17 00:00:00 2001
From: SnowingFox <1503401882@qq.com>
Date: Sat, 15 Jan 2022 13:12:29 +0800
Subject: [PATCH] =?UTF-8?q?feat(playlist=5Ftrack=5Fall):=20=E5=A2=9E?=
 =?UTF-8?q?=E5=8A=A0offset=E5=81=8F=E7=A7=BB=E9=87=8F=E8=AE=BE=E7=BD=AE?=
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---
 module/playlist_track_all.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/module/playlist_track_all.js b/module/playlist_track_all.js
index 9c6ecce..3b7d749 100644
--- a/module/playlist_track_all.js
+++ b/module/playlist_track_all.js
@@ -10,6 +10,7 @@ module.exports = (query, request) => {
   //不放在data里面避免请求带上无用的数据
   let limit = query.limit
   let offset = parseInt(query.offset) || 0
+  let allOffset
   let trackIds
   let idsData = Object.create(null)
 
@@ -24,7 +25,11 @@ module.exports = (query, request) => {
     if (typeof limit === 'undefined') {
       limit = trackIds.length
     }
-
+    // 若offset超出最大偏移量则重置为最大偏移量
+    allOffset = trackIds.length / limit - 1
+    if (offset > allOffset) {
+      offset = allOffset
+    }
     trackIds.forEach((item, index) => {
       if (index >= limit * offset && index < limit * (offset + 1)) {
         ids.push(item.id)