diff --git a/Sources/RDReaderView/EPUBUI/RDEPUBReaderController.swift b/Sources/RDReaderView/EPUBUI/RDEPUBReaderController.swift
index 0c8fd85..cef6047 100644
--- a/Sources/RDReaderView/EPUBUI/RDEPUBReaderController.swift
+++ b/Sources/RDReaderView/EPUBUI/RDEPUBReaderController.swift
@@ -1162,6 +1162,10 @@ public final class RDEPUBReaderController: UIViewController {
             navigationController.popViewController(animated: true)
             return
         }
+        if let navigationController, navigationController.presentingViewController != nil {
+            navigationController.dismiss(animated: true)
+            return
+        }
         dismiss(animated: true)
     }
 
diff --git a/Sources/RDReaderView/ReaderView/RDReaderView.swift b/Sources/RDReaderView/ReaderView/RDReaderView.swift
index 3f7485b..5d2e766 100644
--- a/Sources/RDReaderView/ReaderView/RDReaderView.swift
+++ b/Sources/RDReaderView/ReaderView/RDReaderView.swift
@@ -309,6 +309,10 @@ public class RDReaderView: UIView {
     private var topToolView: UIView?
     /// 底部工具栏视图
     private var bottomToolView: UIView?
+    /// 顶部工具栏高度约束
+    private var topToolViewHeightConstraint: NSLayoutConstraint?
+    /// 底部工具栏高度约束
+    private var bottomToolViewHeightConstraint: NSLayoutConstraint?
     /// 工具栏是否正在显示
     private var isShowToolView: Bool = false
     /// 是否正在执行页面转场动画
@@ -364,6 +368,7 @@ public class RDReaderView: UIView {
         super.layoutSubviews()
         guard bounds.width > 0, bounds.height > 0 else { return }
         preloadHostView.frame = bounds
+        updateToolViewHeightConstraintsIfNeeded()
         let nowLandscape = isLandscape
         if let prev = previousIsLandscape, prev != nowLandscape {
             previousIsLandscape = nowLandscape
@@ -849,13 +854,7 @@ public class RDReaderView: UIView {
         isShowToolView = !isShowToolView
         if isShowToolView {
             if let topToolView = topToolView {
-                addSubview(topToolView)
-                topToolView.translatesAutoresizingMaskIntoConstraints = false
-                NSLayoutConstraint.activate([
-                    topToolView.leadingAnchor.constraint(equalTo: leadingAnchor),
-                    topToolView.trailingAnchor.constraint(equalTo: trailingAnchor),
-                    topToolView.topAnchor.constraint(equalTo: topAnchor)
-                ])
+                installToolViewIfNeeded(topToolView, position: .top)
                 layoutIfNeeded()
                 topToolView.transform = CGAffineTransform(translationX: 0, y: -topToolView.bounds.height)
                 UIView.animate(withDuration: toolViewAnimationDuration) {
@@ -864,13 +863,7 @@ public class RDReaderView: UIView {
             }
 
             if let bottomToolView = bottomToolView {
-                addSubview(bottomToolView)
-                bottomToolView.translatesAutoresizingMaskIntoConstraints = false
-                NSLayoutConstraint.activate([
-                    bottomToolView.leadingAnchor.constraint(equalTo: leadingAnchor),
-                    bottomToolView.trailingAnchor.constraint(equalTo: trailingAnchor),
-                    bottomToolView.bottomAnchor.constraint(equalTo: bottomAnchor)
-                ])
+                installToolViewIfNeeded(bottomToolView, position: .bottom)
                 layoutIfNeeded()
                 bottomToolView.transform = CGAffineTransform(translationX: 0, y: bottomToolView.bounds.height)
                 UIView.animate(withDuration: toolViewAnimationDuration) {
@@ -912,6 +905,58 @@ public class RDReaderView: UIView {
         return hitView === toolView || hitView.isDescendant(of: toolView)
     }
 
+    private enum ToolViewPosition {
+        case top
+        case bottom
+    }
+
+    private func installToolViewIfNeeded(_ toolView: UIView, position: ToolViewPosition) {
+        guard toolView.superview !== self else { return }
+
+        toolView.removeFromSuperview()
+        addSubview(toolView)
+        toolView.translatesAutoresizingMaskIntoConstraints = false
+
+        let heightConstraint: NSLayoutConstraint
+        switch position {
+        case .top:
+            topToolViewHeightConstraint?.isActive = false
+            heightConstraint = toolView.heightAnchor.constraint(equalToConstant: resolvedToolViewHeight(for: .top))
+            topToolViewHeightConstraint = heightConstraint
+            NSLayoutConstraint.activate([
+                toolView.leadingAnchor.constraint(equalTo: leadingAnchor),
+                toolView.trailingAnchor.constraint(equalTo: trailingAnchor),
+                toolView.topAnchor.constraint(equalTo: topAnchor),
+                heightConstraint
+            ])
+        case .bottom:
+            bottomToolViewHeightConstraint?.isActive = false
+            heightConstraint = toolView.heightAnchor.constraint(equalToConstant: resolvedToolViewHeight(for: .bottom))
+            bottomToolViewHeightConstraint = heightConstraint
+            NSLayoutConstraint.activate([
+                toolView.leadingAnchor.constraint(equalTo: leadingAnchor),
+                toolView.trailingAnchor.constraint(equalTo: trailingAnchor),
+                toolView.bottomAnchor.constraint(equalTo: bottomAnchor),
+                heightConstraint
+            ])
+        }
+    }
+
+    private func updateToolViewHeightConstraintsIfNeeded() {
+        topToolViewHeightConstraint?.constant = resolvedToolViewHeight(for: .top)
+        bottomToolViewHeightConstraint?.constant = resolvedToolViewHeight(for: .bottom)
+    }
+
+    private func resolvedToolViewHeight(for position: ToolViewPosition) -> CGFloat {
+        let contentHeight: CGFloat = 52
+        switch position {
+        case .top:
+            return safeAreaInsets.top + contentHeight
+        case .bottom:
+            return safeAreaInsets.bottom + contentHeight
+        }
+    }
+
     /// 切换翻页模式（仿真/水平滚动/上下滚动）
     /// 会重建底层视图（PageViewController 或 CollectionView），并恢复到当前页
     /// - Parameter displayType: 目标翻页模式