diff --git a/Sources/MiniPlayerApp.swift b/Sources/MiniPlayerApp.swift
index cdf62e6..587fc85 100644
--- a/Sources/MiniPlayerApp.swift
+++ b/Sources/MiniPlayerApp.swift
@@ -319,10 +319,15 @@ struct PlayerContentView: View {
             }
         }
         .onAppear {
-            // 初始状态：标题栏完全隐藏
-            if let win = NSApplication.shared.windows.first {
+            // 初始状态：标题栏完全隐藏（含红绿灯按钮）
+            DispatchQueue.main.asyncAfter(deadline: .now() + 0.1) {
+                guard let win = NSApplication.shared.windows.first(where: { $0.isVisible }) else { return }
                 win.titleVisibility = .hidden
                 win.titlebarAppearsTransparent = true
+                win.isMovableByWindowBackground = true
+                win.standardWindowButton(.closeButton)?.isHidden = true
+                win.standardWindowButton(.miniaturizeButton)?.isHidden = true
+                win.standardWindowButton(.zoomButton)?.isHidden = true
             }
         }
         .onChange(of: showToolbar) { _, newValue in
@@ -333,18 +338,24 @@ struct PlayerContentView: View {
             }
         }
         .overlay(alignment: .top) {
-            // 标题栏悬停检测：鼠标进入显示标题，退出隐藏
+            // 标题栏悬停检测：鼠标进入显示标题栏，退出隐藏
             Color.clear
                 .frame(height: 28)
                 .contentShape(Rectangle())
                 .onHover { hovering in
-                    let win = NSApplication.shared.windows.first
+                    guard let win = NSApplication.shared.windows.first(where: { $0.isVisible }) else { return }
                     if hovering {
-                        win?.titleVisibility = .visible
-                        win?.titlebarAppearsTransparent = false
+                        win.titlebarAppearsTransparent = false
+                        win.titleVisibility = .visible
+                        win.standardWindowButton(.closeButton)?.isHidden = false
+                        win.standardWindowButton(.miniaturizeButton)?.isHidden = false
+                        win.standardWindowButton(.zoomButton)?.isHidden = false
                     } else {
-                        win?.titleVisibility = .hidden
-                        win?.titlebarAppearsTransparent = true
+                        win.titleVisibility = .hidden
+                        win.titlebarAppearsTransparent = true
+                        win.standardWindowButton(.closeButton)?.isHidden = true
+                        win.standardWindowButton(.miniaturizeButton)?.isHidden = true
+                        win.standardWindowButton(.zoomButton)?.isHidden = true
                     }
                 }
         }