diff --git a/ReadViewDemo/ReadViewDemo/PDFDemoReaderViewController.swift b/ReadViewDemo/ReadViewDemo/PDFDemoReaderViewController.swift
index 1097632..055cd38 100644
--- a/ReadViewDemo/ReadViewDemo/PDFDemoReaderViewController.swift
+++ b/ReadViewDemo/ReadViewDemo/PDFDemoReaderViewController.swift
@@ -152,6 +152,9 @@ private final class PDFDemoPageProvider: RDPDFReaderPageProvider, RDPDFReaderOut
 /// 成品阅读器的 Demo 宿主：存储位置、返回导航和自动化状态是唯一的应用职责。
 final class PDFDemoReaderViewController: UIViewController, RDPDFReaderViewControllerDelegate {
     private static let annotationStorageFolderName = "RDPDFImageReaderAnnotations"
+    /// 暂时隐藏阅读器中的 AI 助手入口与 TTS 朗读控件，实现保留以便随时恢复。
+    private static let showsAIAssistant = false
+    private static let showsSpeechControls = false
     private let reader: RDPDFReaderViewController
     private lazy var speechSession: RDPDFSpeechSession = {
         let session = reader.makeSpeechSession()
@@ -224,15 +227,17 @@ final class PDFDemoReaderViewController: UIViewController, RDPDFReaderViewContro
         reader.view.autoresizingMask = [.flexibleWidth, .flexibleHeight]
         view.addSubview(reader.view)
         reader.didMove(toParent: self)
-        configureSpeechControls()
-        let assistantButton = UIButton(type: .system)
-        assistantButton.setTitle("AI", for: .normal)
-        assistantButton.titleLabel?.font = .preferredFont(forTextStyle: .headline)
-        assistantButton.addTarget(self, action: #selector(presentAIAssistant), for: .touchUpInside)
-        assistantButton.accessibilityLabel = "打开阅读助手"
-        view.addSubview(assistantButton)
-        assistantButton.translatesAutoresizingMaskIntoConstraints = false
-        NSLayoutConstraint.activate([assistantButton.topAnchor.constraint(equalTo: view.safeAreaLayoutGuide.topAnchor, constant: 12), assistantButton.trailingAnchor.constraint(equalTo: view.layoutMarginsGuide.trailingAnchor), assistantButton.widthAnchor.constraint(greaterThanOrEqualToConstant: 44), assistantButton.heightAnchor.constraint(equalToConstant: 44)])
+        if Self.showsSpeechControls { configureSpeechControls() }
+        if Self.showsAIAssistant {
+            let assistantButton = UIButton(type: .system)
+            assistantButton.setTitle("AI", for: .normal)
+            assistantButton.titleLabel?.font = .preferredFont(forTextStyle: .headline)
+            assistantButton.addTarget(self, action: #selector(presentAIAssistant), for: .touchUpInside)
+            assistantButton.accessibilityLabel = "打开阅读助手"
+            view.addSubview(assistantButton)
+            assistantButton.translatesAutoresizingMaskIntoConstraints = false
+            NSLayoutConstraint.activate([assistantButton.topAnchor.constraint(equalTo: view.safeAreaLayoutGuide.topAnchor, constant: 12), assistantButton.trailingAnchor.constraint(equalTo: view.layoutMarginsGuide.trailingAnchor), assistantButton.widthAnchor.constraint(greaterThanOrEqualToConstant: 44), assistantButton.heightAnchor.constraint(equalToConstant: 44)])
+        }
         stateLabel.translatesAutoresizingMaskIntoConstraints = false
         view.addSubview(stateLabel)
         NSLayoutConstraint.activate([stateLabel.widthAnchor.constraint(equalToConstant: 1), stateLabel.heightAnchor.constraint(equalToConstant: 1), stateLabel.topAnchor.constraint(equalTo: view.topAnchor), stateLabel.leadingAnchor.constraint(equalTo: view.leadingAnchor)])