diff --git a/kplayer/server/kplayer.js b/kplayer/server/kplayer.js
index c63605d..b7e90eb 100644
--- a/kplayer/server/kplayer.js
+++ b/kplayer/server/kplayer.js
@@ -341,6 +341,11 @@ app.get('/webdl', function (req, res) {
         return
     }
 
+    if (q.filter((i) => i.folder === n).length > 0) {
+        res.send("exists")
+        return
+    }
+
     q.push({url: p, folder: n, cookie: c});
     console.log("all urls pushed");
 
diff --git a/kplayer/video/SVideoModel.swift b/kplayer/video/SVideoModel.swift
index 46115de..e940a84 100644
--- a/kplayer/video/SVideoModel.swift
+++ b/kplayer/video/SVideoModel.swift
@@ -30,6 +30,8 @@ class SVideoModel : ObservableObject {
     @Published var speed: Float = 1.0
     @Published var height: Int = 0
     @Published var nominalFrameRate: Int = 0
+    @Published var bitRate: Int = 0
+    @Published var codec: String = "avc1"
 
     @Published var currentURL: URL?
 
diff --git a/kplayer/video/SVideoPlayer.swift b/kplayer/video/SVideoPlayer.swift
index e058b16..e24973e 100644
--- a/kplayer/video/SVideoPlayer.swift
+++ b/kplayer/video/SVideoPlayer.swift
@@ -42,6 +42,9 @@ struct SVideoPlayer: View, EditItemDelegate {
             .makeConnectable()
             .autoconnect()
 
+    let bitrateChanged = NotificationCenter.default
+            .publisher(for: NSNotification.Name.AVPlayerItemNewAccessLogEntry)
+
     let steps: [Float] = [0.25, 0.5, 1.0, 2.0]
 
     init(completionHandler: ((Bool) -> ())?, model: SVideoModel) {
@@ -117,7 +120,7 @@ struct SVideoPlayer: View, EditItemDelegate {
 
 
                     Text(model.currentSnapshot.name).foregroundColor(Color.blue)
-                    Text(" (\(model.height),\(model.nominalFrameRate)").foregroundColor(Color.blue)
+                    Text("(\(model.codec) \(model.height), \(model.nominalFrameRate), \(model.bitRate)m)").foregroundColor(Color.blue)
 
                     ScrollView(.horizontal, showsIndicators: false) {
                         HStack {
@@ -127,6 +130,7 @@ struct SVideoPlayer: View, EditItemDelegate {
                                 }) {
                                     AsyncImage(item: item, placeholder: { Text("Loading ...") },
                                             image: { Image(uiImage: $0).resizable() })
+                                            .overlay(Image(systemName: "repeat.circle").offset(x: 20, y: -20).opacity((item.length > 0.0) ? 1 : 0))
                                 }
                             }
                         }
@@ -384,6 +388,14 @@ struct SVideoPlayer: View, EditItemDelegate {
                 .onReceive(orientationChanged) { _ in
                     self.orientation = UIDevice.current.orientation
                 }
+                .onReceive(bitrateChanged) { notification in
+                    guard let playerItem = notification.object as? AVPlayerItem,
+                          let lastEvent = playerItem.accessLog()?.events.last else {
+                        return
+                    }
+
+                    model.bitRate = Int(lastEvent.indicatedBitrate / 1024 / 1024)
+                }
 
     }
 
@@ -571,7 +583,19 @@ struct SVideoPlayer: View, EditItemDelegate {
         let heightSpace = model.proxy!.size.height * 2
         var height = heightSpace
         if let i = player.currentItem {
-            model.nominalFrameRate = await i.asset.load(.nominalFrameRate)
+            Task.init {
+                for t in i.asset.tracks {
+                    if t.mediaType == .video {
+                        model.nominalFrameRate = try await Int(t.load(.nominalFrameRate))
+
+                        if let formats = t.formatDescriptions as? [CMFormatDescription] {
+                            for format in formats {
+                                printFourCC(CMFormatDescriptionGetMediaSubType(format))
+                            }
+                        }
+                    }
+                }
+            }
             height = i.presentationSize.height
         }
         model.height = Int(height)
@@ -595,6 +619,19 @@ struct SVideoPlayer: View, EditItemDelegate {
 
     }
 
+    func printFourCC(_ fcc: FourCharCode) {
+        let bytes: [CChar] = [
+            CChar((fcc >> 24) & 0xff),
+            CChar((fcc >> 16) & 0xff),
+            CChar((fcc >> 8) & 0xff),
+            CChar(fcc & 0xff),
+            0]
+
+        let result = String(cString: bytes)
+        let characterSet = CharacterSet.whitespaces
+        model.codec = result.trimmingCharacters(in: characterSet)
+    }
+
     func captureZoom() {
         model.currentSnapshot.scale = model.scale
         model.currentSnapshot.offset = CGPoint(x: model.dragOffset.width, y: model.dragOffset.height)