diff --git a/Sources/RDEpubReaderView/EPUBUI/RDEPUBReaderController.swift b/Sources/RDEpubReaderView/EPUBUI/RDEPUBReaderController.swift
index b50a702..cffc4d5 100644
--- a/Sources/RDEpubReaderView/EPUBUI/RDEPUBReaderController.swift
+++ b/Sources/RDEpubReaderView/EPUBUI/RDEPUBReaderController.swift
@@ -157,6 +157,10 @@ public final class RDEPUBReaderController: UIViewController {
     /// 阅读器进入前宿主导航栏的真实状态。详情页使用自定义导航栏时系统栏原本
     /// 就是隐藏的，退出阅读器必须恢复该状态，不能无条件显示系统导航栏。
     private var navigationBarHiddenBeforeReader: Bool?
+    /// 阅读器进入前宿主侧滑返回手势的真实状态。阅读器自己接管横向翻页，
+    /// 期间必须关闭该手势；退出时按原值恢复，不能把宿主的配置改成阅读器的。
+    private var interactivePopWasEnabledBeforeReader: Bool?
+    private weak var interactivePopDelegateBeforeReader: UIGestureRecognizerDelegate?
 
     private(set) var isSearchBarVisible = false
 
@@ -287,9 +291,12 @@ public final class RDEPUBReaderController: UIViewController {
         if navigationBarHiddenBeforeReader == nil {
             navigationBarHiddenBeforeReader = navigationController?.isNavigationBarHidden
         }
+        if interactivePopWasEnabledBeforeReader == nil {
+            interactivePopWasEnabledBeforeReader = navigationController?.interactivePopGestureRecognizer?.isEnabled
+            interactivePopDelegateBeforeReader = navigationController?.interactivePopGestureRecognizer?.delegate
+        }
         navigationController?.setNavigationBarHidden(true, animated: animated)
-        navigationController?.interactivePopGestureRecognizer?.delegate = self
-        navigationController?.interactivePopGestureRecognizer?.isEnabled = true
+        navigationController?.interactivePopGestureRecognizer?.isEnabled = false
     }
 
     public override func viewWillDisappear(_ animated: Bool) {
@@ -300,6 +307,10 @@ public final class RDEPUBReaderController: UIViewController {
                 animated: animated
             )
         }
+        if let interactivePopWasEnabledBeforeReader {
+            navigationController?.interactivePopGestureRecognizer?.delegate = interactivePopDelegateBeforeReader
+            navigationController?.interactivePopGestureRecognizer?.isEnabled = interactivePopWasEnabledBeforeReader
+        }
     }
 
     public override func viewDidAppear(_ animated: Bool) {