From 503496ea0eba6635a4117b024672c242134c9339 Mon Sep 17 00:00:00 2001
From: cocos02 <cocos02@163.com>
Date: Fri, 12 Jun 2026 17:51:01 +0800
Subject: [PATCH] fix: only switch quality during active playback, not after
 video ended

---
 engine/core/VideoManager.ts |  2 --
 src/App.vue                 | 12 ++++++++----
 2 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/engine/core/VideoManager.ts b/engine/core/VideoManager.ts
index 817c693..cccc5e5 100644
--- a/engine/core/VideoManager.ts
+++ b/engine/core/VideoManager.ts
@@ -182,8 +182,6 @@ export class VideoManager {
   switchQuality(src: string, seekTime: number) {
     const active = this.active
     this.currentSrc = src
-    active.pause()
-    active.currentTime = 0
     active.src = src
     active.load()
     this.preloaded.set(this.keyOf(active), src)
diff --git a/src/App.vue b/src/App.vue
index 4ba9036..c09d405 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -114,10 +114,14 @@ watch([() => store.qteTimeRelax, () => store.qteSingleKey], () => {
 watch(() => store.preferredQuality, (q) => {
   engine.videoManager.streamingQuality = q
   const scene = store.currentScene
-  if (scene?.streamingUrl && q) {
-    const url = engine.videoManager.resolveVideoUrl(scene, q)
-    const ct = engine.videoManager.getCurrentTime()
-    engine.videoManager.switchQuality(url, ct)
+  if (scene?.streamingUrl && scene.streamingUrl[q]) {
+    const active = engine.videoManager.getActiveVideoElement()
+    if (active && !active.ended) {
+      engine.videoManager.switchQuality(
+        engine.videoManager.resolveVideoUrl(scene, q),
+        engine.videoManager.getCurrentTime()
+      )
+    }
   }
 }, { immediate: true })