diff --git a/app/src/main/java/com/hippo/ehviewer/ui/scene/BaseToolbarScene.kt b/app/src/main/java/com/hippo/ehviewer/ui/scene/BaseToolbarScene.kt
index c90e62166..fd1d9e53f 100644
--- a/app/src/main/java/com/hippo/ehviewer/ui/scene/BaseToolbarScene.kt
+++ b/app/src/main/java/com/hippo/ehviewer/ui/scene/BaseToolbarScene.kt
@@ -84,6 +84,7 @@ abstract class BaseToolbarScene : BaseScene(), ToolBarScene {
     }
 
     fun setTitle(title: CharSequence?) {
+        _binding ?: return
         binding.toolbar.title = title
     }
 
diff --git a/app/src/main/java/com/hippo/ehviewer/ui/scene/SearchBarScene.kt b/app/src/main/java/com/hippo/ehviewer/ui/scene/SearchBarScene.kt
index 46e9359a3..fa98dcd6a 100644
--- a/app/src/main/java/com/hippo/ehviewer/ui/scene/SearchBarScene.kt
+++ b/app/src/main/java/com/hippo/ehviewer/ui/scene/SearchBarScene.kt
@@ -319,6 +319,7 @@ abstract class SearchBarScene : BaseScene(), ToolBarScene {
 
     @SuppressLint("NotifyDataSetChanged")
     private fun updateSuggestions(scrollToTop: Boolean = true) {
+        _binding ?: return
         viewLifecycleOwner.lifecycleScope.launch {
             val suggestions = mutableListOf<Suggestion>()
             mergedSuggestionFlow().collect {
@@ -362,6 +363,7 @@ abstract class SearchBarScene : BaseScene(), ToolBarScene {
     }
 
     fun showSearchBar() {
+        _binding ?: return
         binding.appbar.setExpanded(true)
     }