diff --git a/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt b/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt
index 519388b52..cdfabc26a 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt
@@ -99,7 +99,7 @@ class ReadBookActivity : BaseReadBookActivity(),
     private val searchContentActivity = registerForActivityResult(ActivityResultContracts.StartActivityForResult()) {
         it ?: return@registerForActivityResult
         it.data?.let { data ->
-            data.getIntExtra("chapterIndex", ReadBook.durChapterIndex).let { _ ->
+            data.getIntExtra("chapterIndex", ReadBook.durChapterIndex).let {
                 viewModel.searchContentQuery = data.getStringExtra("query") ?: ""
                 val searchResultIndex = data.getIntExtra("searchResultIndex", 0)
                 isShowingSearchResult = true
diff --git a/app/src/main/java/io/legado/app/ui/book/read/SearchMenu.kt b/app/src/main/java/io/legado/app/ui/book/read/SearchMenu.kt
index 6e176c437..fd89dc2e6 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/SearchMenu.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/SearchMenu.kt
@@ -29,12 +29,15 @@ class SearchMenu @JvmOverloads constructor(
     private val callBack: CallBack get() = activity as CallBack
     private val binding = ViewSearchMenuBinding.inflate(LayoutInflater.from(context), this, true)
 
-    private val menuBottomIn: Animation = AnimationUtilsSupport.loadAnimation(context, R.anim.anim_readbook_bottom_in)
-    private val menuBottomOut: Animation = AnimationUtilsSupport.loadAnimation(context, R.anim.anim_readbook_bottom_out)
+    private val menuBottomIn: Animation =
+        AnimationUtilsSupport.loadAnimation(context, R.anim.anim_readbook_bottom_in)
+    private val menuBottomOut: Animation =
+        AnimationUtilsSupport.loadAnimation(context, R.anim.anim_readbook_bottom_out)
     private val bgColor: Int = context.bottomBackground
     private val textColor: Int = context.getPrimaryTextColor(ColorUtils.isColorLight(bgColor))
     private val bottomBackgroundList: ColorStateList =
-        Selector.colorBuild().setDefaultColor(bgColor).setPressedColor(ColorUtils.darkenColor(bgColor)).create()
+        Selector.colorBuild().setDefaultColor(bgColor)
+            .setPressedColor(ColorUtils.darkenColor(bgColor)).create()
     private var onMenuOutEnd: (() -> Unit)? = null
 
     private val searchResultList: MutableList<SearchResult> = mutableListOf()
@@ -104,18 +107,20 @@ class SearchMenu @JvmOverloads constructor(
         }
     }
 
+    @SuppressLint("SetTextI18n")
     fun updateSearchInfo() {
         ReadBook.curTextChapter?.let {
-            binding.tvCurrentSearchInfo.text = context.getString(R.string.search_content_size) + ": ${searchResultList.size} / 当前章节: ${it.title}"
+            binding.tvCurrentSearchInfo.text =
+                """${context.getString(R.string.search_content_size)}: ${searchResultList.size} / 当前章节: ${it.title}"""
         }
     }
 
     fun updateSearchResultIndex(updateIndex: Int) {
         lastSearchResultIndex = currentSearchResultIndex
         currentSearchResultIndex = when {
-            updateIndex < 0                      -> 0
+            updateIndex < 0 -> 0
             updateIndex >= searchResultList.size -> searchResultList.size - 1
-            else                                 -> updateIndex
+            else -> updateIndex
         }
     }
 
@@ -143,13 +148,6 @@ class SearchMenu @JvmOverloads constructor(
             }
         }
 
-        //设置
-//        llSetting.setOnClickListener {
-//            runMenuOut {
-//                callBack.showSearchSetting()
-//            }
-//        }
-
         fabLeft.setOnClickListener {
             updateSearchResultIndex(currentSearchResultIndex - 1)
             callBack.navigateToSearch(searchResultList[currentSearchResultIndex])
@@ -192,8 +190,8 @@ class SearchMenu @JvmOverloads constructor(
                     root.padding = 0
                     when (activity?.navigationBarGravity) {
                         Gravity.BOTTOM -> root.bottomPadding = navigationBarHeight
-                        Gravity.LEFT   -> root.leftPadding = navigationBarHeight
-                        Gravity.RIGHT  -> root.rightPadding = navigationBarHeight
+                        Gravity.LEFT -> root.leftPadding = navigationBarHeight
+                        Gravity.RIGHT -> root.rightPadding = navigationBarHeight
                     }
                 }
                 callBack.upSystemUiVisibility()
diff --git a/app/src/main/java/io/legado/app/ui/book/searchContent/SearchContentAdapter.kt b/app/src/main/java/io/legado/app/ui/book/searchContent/SearchContentAdapter.kt
index 364e7daaf..426f50864 100644
--- a/app/src/main/java/io/legado/app/ui/book/searchContent/SearchContentAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/book/searchContent/SearchContentAdapter.kt
@@ -14,7 +14,6 @@ import io.legado.app.utils.hexString
 class SearchContentAdapter(context: Context, val callback: Callback) :
     RecyclerAdapter<SearchResult, ItemSearchListBinding>(context) {
 
-    val cacheFileNames = hashSetOf<String>()
     val textColor = context.getCompatColor(R.color.primaryText).hexString.substring(2)
     val accentColor = context.accentColor.hexString.substring(2)
 
diff --git a/app/src/main/java/io/legado/app/ui/book/searchContent/SearchContentViewModel.kt b/app/src/main/java/io/legado/app/ui/book/searchContent/SearchContentViewModel.kt
index 6489e2852..f745dae5a 100644
--- a/app/src/main/java/io/legado/app/ui/book/searchContent/SearchContentViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/book/searchContent/SearchContentViewModel.kt
@@ -21,7 +21,6 @@ class SearchContentViewModel(application: Application) : BaseViewModel(applicati
     var searchResultCounts = 0
     val cacheChapterNames = hashSetOf<String>()
     val searchResultList: MutableList<SearchResult> = mutableListOf()
-    var selectedIndex = 0
 
     fun initBook(bookUrl: String, success: () -> Unit) {
         this.bookUrl = bookUrl