diff --git a/app/src/main/java/io/legado/app/data/entities/TxtTocRule.kt b/app/src/main/java/io/legado/app/data/entities/TxtTocRule.kt
index b4cf2d308..e62651f96 100644
--- a/app/src/main/java/io/legado/app/data/entities/TxtTocRule.kt
+++ b/app/src/main/java/io/legado/app/data/entities/TxtTocRule.kt
@@ -2,7 +2,6 @@ package io.legado.app.data.entities
 
 import androidx.room.Entity
 import androidx.room.PrimaryKey
-import io.legado.app.utils.GSON
 
 
 @Entity(tableName = "txtTocRules")
diff --git a/app/src/main/java/io/legado/app/model/CheckSource.kt b/app/src/main/java/io/legado/app/model/CheckSource.kt
index d30a66918..a55b49a3a 100644
--- a/app/src/main/java/io/legado/app/model/CheckSource.kt
+++ b/app/src/main/java/io/legado/app/model/CheckSource.kt
@@ -3,7 +3,6 @@ package io.legado.app.model
 import android.content.Context
 import io.legado.app.R
 import io.legado.app.constant.IntentAction
-import io.legado.app.data.entities.BookSource
 import io.legado.app.data.entities.BookSourcePart
 import io.legado.app.help.CacheManager
 import io.legado.app.help.IntentData
diff --git a/app/src/main/java/io/legado/app/model/localBook/LocalBook.kt b/app/src/main/java/io/legado/app/model/localBook/LocalBook.kt
index 0720f5a1b..15bcac44b 100644
--- a/app/src/main/java/io/legado/app/model/localBook/LocalBook.kt
+++ b/app/src/main/java/io/legado/app/model/localBook/LocalBook.kt
@@ -24,7 +24,6 @@ import io.legado.app.model.analyzeRule.AnalyzeUrl
 import io.legado.app.utils.*
 import kotlinx.coroutines.runBlocking
 import org.apache.commons.text.StringEscapeUtils
-import org.jsoup.nodes.Entities
 import splitties.init.appCtx
 import java.io.*
 import java.util.regex.Pattern
diff --git a/app/src/main/java/io/legado/app/model/localBook/UmdFile.kt b/app/src/main/java/io/legado/app/model/localBook/UmdFile.kt
index 6e5ddf9ed..1f4d96d63 100644
--- a/app/src/main/java/io/legado/app/model/localBook/UmdFile.kt
+++ b/app/src/main/java/io/legado/app/model/localBook/UmdFile.kt
@@ -5,8 +5,6 @@ import io.legado.app.data.entities.BookChapter
 import io.legado.app.utils.*
 import me.ag2s.umdlib.domain.UmdBook
 import me.ag2s.umdlib.umd.UmdReader
-import splitties.init.appCtx
-
 import java.io.File
 import java.io.InputStream
 
diff --git a/app/src/main/java/io/legado/app/service/ExportBookService.kt b/app/src/main/java/io/legado/app/service/ExportBookService.kt
index 5b6353d67..6509a3c6a 100644
--- a/app/src/main/java/io/legado/app/service/ExportBookService.kt
+++ b/app/src/main/java/io/legado/app/service/ExportBookService.kt
@@ -38,7 +38,6 @@ import io.legado.app.utils.HtmlFormatter
 import io.legado.app.utils.MD5Utils
 import io.legado.app.utils.NetworkUtils
 import io.legado.app.utils.activityPendingIntent
-import io.legado.app.utils.buildMainHandler
 import io.legado.app.utils.cnCompare
 import io.legado.app.utils.createFolderIfNotExist
 import io.legado.app.utils.isContentScheme
diff --git a/app/src/main/java/io/legado/app/ui/book/read/page/entities/TextLine.kt b/app/src/main/java/io/legado/app/ui/book/read/page/entities/TextLine.kt
index 65f53cb47..1a14ef62b 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/page/entities/TextLine.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/page/entities/TextLine.kt
@@ -1,11 +1,9 @@
 package io.legado.app.ui.book.read.page.entities
 
 import android.graphics.Paint.FontMetrics
-import android.text.TextPaint
 import androidx.annotation.Keep
 import io.legado.app.ui.book.read.page.entities.column.BaseColumn
 import io.legado.app.ui.book.read.page.provider.ChapterProvider
-import io.legado.app.utils.textHeight
 
 /**
  * 行信息
diff --git a/app/src/main/java/io/legado/app/ui/book/read/page/entities/column/ReviewColumn.kt b/app/src/main/java/io/legado/app/ui/book/read/page/entities/column/ReviewColumn.kt
index 8b54feca7..748f1b57c 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/page/entities/column/ReviewColumn.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/page/entities/column/ReviewColumn.kt
@@ -3,7 +3,6 @@ package io.legado.app.ui.book.read.page.entities.column
 import android.graphics.Canvas
 import android.graphics.Paint
 import android.graphics.Path
-import android.text.StaticLayout
 import androidx.annotation.Keep
 import io.legado.app.ui.book.read.page.provider.ChapterProvider
 
diff --git a/app/src/main/java/io/legado/app/ui/book/toc/rule/TxtTocRuleAdapter.kt b/app/src/main/java/io/legado/app/ui/book/toc/rule/TxtTocRuleAdapter.kt
index eb26474b0..3cfc4e719 100644
--- a/app/src/main/java/io/legado/app/ui/book/toc/rule/TxtTocRuleAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/book/toc/rule/TxtTocRuleAdapter.kt
@@ -11,7 +11,6 @@ import androidx.recyclerview.widget.RecyclerView
 import io.legado.app.R
 import io.legado.app.base.adapter.ItemViewHolder
 import io.legado.app.base.adapter.RecyclerAdapter
-import io.legado.app.data.entities.ReplaceRule
 import io.legado.app.data.entities.TxtTocRule
 import io.legado.app.databinding.ItemTxtTocRuleBinding
 import io.legado.app.lib.theme.backgroundColor