diff --git a/webrtc_controller_ios/web_rtc_controller_ios/Views/ContentView.swift b/webrtc_controller_ios/web_rtc_controller_ios/Views/ContentView.swift
index 7037de0..cbf6972 100644
--- a/webrtc_controller_ios/web_rtc_controller_ios/Views/ContentView.swift
+++ b/webrtc_controller_ios/web_rtc_controller_ios/Views/ContentView.swift
@@ -279,7 +279,6 @@ private struct ControlPanelView: View {
                             viewModel.sendSwipe(x1: x1, y1: y1, x2: x2, y2: y2, duration: duration)
                         })
                 }
-                .aspectRatio(viewModel.videoAspect, contentMode: .fill)
                 .frame(maxWidth: .infinity, maxHeight: .infinity)
 
                 // 录制中指示（左上角红点）
diff --git a/webrtc_controller_ios/web_rtc_controller_ios/Views/SelfCodecDisplayView.swift b/webrtc_controller_ios/web_rtc_controller_ios/Views/SelfCodecDisplayView.swift
index 8acfdfc..0bf7443 100644
--- a/webrtc_controller_ios/web_rtc_controller_ios/Views/SelfCodecDisplayView.swift
+++ b/webrtc_controller_ios/web_rtc_controller_ios/Views/SelfCodecDisplayView.swift
@@ -16,13 +16,13 @@ final class SampleBufferDisplayView: UIView {
 
     override init(frame: CGRect) {
         super.init(frame: frame)
-        sampleBufferLayer.videoGravity = .resizeAspect
+        sampleBufferLayer.videoGravity = .resizeAspectFill
         backgroundColor = .black
     }
 
     required init?(coder: NSCoder) {
         super.init(coder: coder)
-        sampleBufferLayer.videoGravity = .resizeAspect
+        sampleBufferLayer.videoGravity = .resizeAspectFill
         backgroundColor = .black
     }
 }