diff --git a/tvbox/Models/PlayerEngine.swift b/tvbox/Models/PlayerEngine.swift
index 1d3d85a..df9adc8 100644
--- a/tvbox/Models/PlayerEngine.swift
+++ b/tvbox/Models/PlayerEngine.swift
@@ -122,12 +122,12 @@ enum VLCBufferMode: Int, CaseIterable, Identifiable {
             if isLive {
                 return (network: 2600, live: 2600, file: 3200)
             }
-            return (network: 3800, live: 3200, file: 4400)
+            return (network: 6000, live: 5000, file: 6400)
         case .smooth:
             if isLive {
                 return (network: 4200, live: 4200, file: 5200)
             }
-            return (network: 5600, live: 4800, file: 6400)
+            return (network: 8000, live: 6800, file: 8400)
         }
     }
 }
diff --git a/tvbox/Views/Detail/DetailView.swift b/tvbox/Views/Detail/DetailView.swift
index c99d482..ac618a5 100644
--- a/tvbox/Views/Detail/DetailView.swift
+++ b/tvbox/Views/Detail/DetailView.swift
@@ -19,7 +19,7 @@ struct DetailView: View {
         ScrollView {
             VStack(spacing: 0) {
                 // 播放器区域
-                if viewModel.isPlaying, let url = viewModel.playUrl, !showFullScreen {
+                if viewModel.isPlaying, let url = viewModel.playUrl {
                     PlayerView(
                         urlString: url,
                         startPosition: viewModel.currentPlaybackSeconds(),
@@ -38,6 +38,8 @@ struct DetailView: View {
                         .onTapGesture(count: 2) {
                             openFullScreenPlayer()
                         }
+                        .opacity(showFullScreen ? 0 : 1)
+                        .allowsHitTesting(!showFullScreen)
                 }
                 
                 // 视频信息
diff --git a/tvbox/Views/Player/VLCPlayerView.swift b/tvbox/Views/Player/VLCPlayerView.swift
index 09c3d23..f141026 100644
--- a/tvbox/Views/Player/VLCPlayerView.swift
+++ b/tvbox/Views/Player/VLCPlayerView.swift
@@ -169,7 +169,7 @@ final class VLCPlayerController: NSObject, ObservableObject, VLCMediaPlayerDeleg
             cacheConfig.live += vodCacheBoostExtraLive
             cacheConfig.file += vodCacheBoostExtraFile
         }
-        let enableFrameDrop = isLive ? bufferMode.enableFrameDrop : true
+        let enableFrameDrop = isLive ? bufferMode.enableFrameDrop : false
         let enableSkipFrames = isLive && bufferMode.enableFrameDrop
         var mediaOptions: [String: Any] = [
             "network-caching": cacheConfig.network,
@@ -179,6 +179,10 @@ final class VLCPlayerController: NSObject, ObservableObject, VLCMediaPlayerDeleg
             "skip-frames": enableSkipFrames ? 1 : 0,
             "http-reconnect": 1
         ]
+        if !isLive {
+            mediaOptions["avcodec-hurry-up"] = 0
+            mediaOptions["clock-jitter"] = 5000000
+        }
 
         if let hwOption = decodeMode.vlcHardwareDecodeOption {
             mediaOptions["avcodec-hw"] = hwOption
@@ -580,11 +584,14 @@ final class VLCPlayerController: NSObject, ObservableObject, VLCMediaPlayerDeleg
     }
     
     private func applyPlaybackRate() {
+        guard mediaPlayer.rate != playbackRate else { return }
         mediaPlayer.rate = playbackRate
     }
 
     private func applyVolume() {
-        mediaPlayer.audio?.volume = Int32(volume)
+        let target = Int32(volume)
+        guard mediaPlayer.audio?.volume != target else { return }
+        mediaPlayer.audio?.volume = target
     }
     
     private func syncDecodeModeFromSettings() {