fix：hls传播问题

src/components/course/DPlayerVideo.vue

@@ -286,11 +286,33 @@ const initializePlayer = async (videoUrl?: string) => {
     })
 
     player.on('error', (error: any) => {
-      console.error('DPlayer 播放错误:', error)
+      // 检查是否为无害的错误
+      const isHarmlessError = (
+        !error.message || // 没有错误消息通常是无害的
+        error.message === undefined ||
+        (player && player.video && !player.video.error) // 播放器本身没有错误
+      )
+      
+      if (isHarmlessError && player && player.video && player.video.readyState > 0) {
+        console.warn('⚠️ 检测到可能的假阳性错误，但视频仍可播放:', {
+          type: error.type,
+          message: error.message,
+          url: url,
+          videoReadyState: player.video.readyState,
+          videoPaused: player.video.paused
+        })
+        // 不触发错误事件，因为视频实际上是可以播放的
+        return
+      }
+      
+      console.error('❌ DPlayer 播放错误:', error)
       console.error('错误详情:', {
         type: error.type,
         message: error.message,
-        url: url
+        url: url,
+        videoError: player?.video?.error,
+        networkState: player?.video?.networkState,
+        readyState: player?.video?.readyState
       })
       emit('error', error)
     })
@@ -442,7 +464,8 @@ const switchQuality = (quality: any) => {
         from: getCurrentQualityLabel(),
         to: quality.label,
         currentTime: currentTime,
-        wasPlaying: wasPlaying
+        wasPlaying: wasPlaying,
+        newUrl: quality.url
       })
 
       // 暂停播放
@@ -450,37 +473,30 @@ const switchQuality = (quality: any) => {
         player.pause()
       }
 
-      // 切换视频源
-      if (typeof player.switchVideo === 'function') {
-        player.switchVideo({
-          url: quality.url,
-          type: 'auto'
-        })
+      // 销毁当前播放器
+      if (player) {
+        player.destroy()
+        player = null
+      }
 
-        // 恢复播放状态
+      // 重新初始化播放器使用新的URL
+      initializePlayer(quality.url).then(() => {
+        console.log('✅ 播放器重新初始化完成，新URL:', quality.url)
+        // 恢复播放时间
         setTimeout(() => {
           if (player && player.video) {
             player.seek(currentTime)
             if (wasPlaying) {
               player.play()
             }
+            console.log('✅ 恢复播放状态:', { currentTime, wasPlaying })
           }
-        }, 1000)
-      } else {
-        // 重新初始化播放器
-        initializePlayer(quality.url).then(() => {
-          // 恢复播放时间
-          setTimeout(() => {
-            if (player && player.video) {
-              player.seek(currentTime)
-              if (wasPlaying) {
-                player.play()
-              }
-            }
-          }, 500)
-        })
-      }
+        }, 500)
+      }).catch(error => {
+        console.error('❌ 重新初始化播放器失败:', error)
+      })
 
+      // 通知父组件清晰度已切换
       emit('qualityChange', quality.value)
       console.log('✅ 切换清晰度到:', quality.label)
     } catch (error) {

src/views/CourseExchanged.vue

@@ -75,6 +75,7 @@
                       @error="onVideoError"
                       @screenshot="onScreenshot"
                       @danmaku-send="onDanmakuSend"
+                      @qualityChange="onQualityChange"
                     />
                     <div v-else class="video-placeholder"
                       :style="{ backgroundImage: course?.coverImage || course?.thumbnail ? `url(${course.coverImage || course.thumbnail})` : '' }">
@@ -1451,7 +1452,11 @@ const onDanmakuSend = (text: string) => {
   // 可以在这里添加弹幕发送的逻辑，比如保存到数据库
 }
 
-
+// 清晰度切换事件处理
+const onQualityChange = (newQuality: string) => {
+  console.log('🔄 清晰度已切换到:', newQuality)
+  currentQuality.value = newQuality
+}
 
 // 加载课程详情
 const loadCourseDetail = async () => {