From 2704846056273fc8298dc3ee6510547b2814fd3b Mon Sep 17 00:00:00 2001
From: yindongqi <yin_dongqi@163.com>
Date: Fri, 15 Aug 2025 14:47:29 +0800
Subject: [PATCH] =?UTF-8?q?fix(study):=20=E4=BC=98=E5=8C=96=E8=A7=86?=
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确保在组件销毁和路由离开时都清除视频定时器，避免内存泄漏。简化视频当前时间获取逻辑，移除不必要的条件判断。
---
 src/components/study/courseDetail.vue | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/src/components/study/courseDetail.vue b/src/components/study/courseDetail.vue
index 030a134..f180b0f 100644
--- a/src/components/study/courseDetail.vue
+++ b/src/components/study/courseDetail.vue
@@ -343,11 +343,7 @@ export default {
       // 定时器
       function timer() {
         // console.log("被调用了");
-        const video = document.getElementById("video");
-        let curTime;
-        if(video) {
-          curTime = video.currentTime;
-        }
+        let curTime = document.getElementById("video").currentTime;
 
         let apartTime = curTime - _this.current_sign;
         if (apartTime > 2 && _this.section[_this.choose_section_index].is_end != 1) {
@@ -858,6 +854,14 @@ export default {
       }
     },
   },
+  beforeRouteLeave(to, from, next) {
+    // 确保离开路由时清除定时器
+    if (this.video_timer) {
+      clearInterval(this.video_timer);
+      this.video_timer = null; // 重置定时器变量
+    }
+    next();
+  },
   beforeDestroy() {
     if (this.video_timer) {
       clearInterval(this.video_timer);