diff --git a/app/src/main/java/io/legado/app/ui/book/info/BookInfoActivity.kt b/app/src/main/java/io/legado/app/ui/book/info/BookInfoActivity.kt
index b650584c6..62bc33ca9 100644
--- a/app/src/main/java/io/legado/app/ui/book/info/BookInfoActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/info/BookInfoActivity.kt
@@ -50,7 +50,8 @@ class BookInfoActivity : VMBaseActivity<BookInfoViewModel>(R.layout.activity_boo
         } ?: viewModel.loadBook(intent)
         initOnClick()
         savedInstanceState?.let {
-            changeSourceDialog = supportFragmentManager.findFragmentByTag(ChangeSourceDialog.tag) as? ChangeSourceDialog
+            changeSourceDialog =
+                supportFragmentManager.findFragmentByTag(ChangeSourceDialog.tag) as? ChangeSourceDialog
         }
     }
 
@@ -83,7 +84,8 @@ class BookInfoActivity : VMBaseActivity<BookInfoViewModel>(R.layout.activity_boo
         tv_author.text = getString(R.string.author_show, book.author)
         tv_origin.text = getString(R.string.origin_show, book.originName)
         tv_lasted.text = getString(R.string.lasted_show, book.latestChapterTitle)
-        tv_intro.text = book.getDisplayIntro(); // getString(R.string.intro_show, book.getDisplayIntro())
+        tv_intro.text =
+            book.getDisplayIntro() // getString(R.string.intro_show, book.getDisplayIntro())
         book.getDisplayCover()?.let {
             ImageLoader.load(this, it)
                 .placeholder(R.drawable.img_cover_default)
@@ -202,8 +204,8 @@ class BookInfoActivity : VMBaseActivity<BookInfoViewModel>(R.layout.activity_boo
             }
         }
         iv_chapter_top.onClick {
-            adapter.reorder = !adapter.reorder;
-            adapter.notifyDataSetChanged();
+            adapter.reorder = !adapter.reorder
+            adapter.notifyDataSetChanged()
         }
     }
 
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 c61e8cac3..ebf23f520 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
@@ -33,7 +33,6 @@ import io.legado.app.ui.book.read.config.BgTextConfigDialog.Companion.TEXT_COLOR
 import io.legado.app.ui.book.source.edit.SourceEditActivity
 import io.legado.app.ui.changesource.ChangeSourceDialog
 import io.legado.app.ui.chapterlist.ChapterListActivity
-import io.legado.app.ui.readbook.config.*
 import io.legado.app.ui.replacerule.ReplaceRuleActivity
 import io.legado.app.ui.widget.page.ChapterProvider
 import io.legado.app.ui.widget.page.PageView