diff --git a/app/src/main/java/io/legado/app/ui/association/AddToBookshelfDialog.kt b/app/src/main/java/io/legado/app/ui/association/AddToBookshelfDialog.kt
index 830dc3ff3..b926889ab 100644
--- a/app/src/main/java/io/legado/app/ui/association/AddToBookshelfDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/association/AddToBookshelfDialog.kt
@@ -57,10 +57,10 @@ class AddToBookshelfDialog() : BaseDialogFragment(R.layout.dialog_add_to_bookshe
         }
         viewModel.loadStateLiveData.observe(this) {
             if (it) {
-                binding.rotateLoading.show()
+                binding.rotateLoading.visible()
                 binding.bookInfo.invisible()
             } else {
-                binding.rotateLoading.hide()
+                binding.rotateLoading.gone()
             }
         }
         viewModel.loadErrorLiveData.observe(this) {
diff --git a/app/src/main/java/io/legado/app/ui/association/FileAssociationActivity.kt b/app/src/main/java/io/legado/app/ui/association/FileAssociationActivity.kt
index 02492473a..1e3fcd71e 100644
--- a/app/src/main/java/io/legado/app/ui/association/FileAssociationActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/association/FileAssociationActivity.kt
@@ -47,7 +47,7 @@ class FileAssociationActivity :
     override val viewModel by viewModels<FileAssociationViewModel>()
 
     override fun onActivityCreated(savedInstanceState: Bundle?) {
-        binding.rotateLoading.show()
+        binding.rotateLoading.visible()
         viewModel.importBookLiveData.observe(this) { uri ->
             importBook(uri)
         }
@@ -80,19 +80,19 @@ class FileAssociationActivity :
             }
         }
         viewModel.errorLive.observe(this) {
-            binding.rotateLoading.hide()
+            binding.rotateLoading.gone()
             toastOnUi(it)
             finish()
         }
         viewModel.openBookLiveData.observe(this) {
-            binding.rotateLoading.hide()
+            binding.rotateLoading.gone()
             startActivity<ReadBookActivity> {
                 putExtra("bookUrl", it)
             }
             finish()
         }
         viewModel.notSupportedLiveData.observe(this) { data ->
-            binding.rotateLoading.hide()
+            binding.rotateLoading.gone()
             alert(
                 title = appCtx.getString(R.string.draw),
                 message = appCtx.getString(R.string.file_not_supported, data.second)
diff --git a/app/src/main/java/io/legado/app/ui/association/ImportBookSourceDialog.kt b/app/src/main/java/io/legado/app/ui/association/ImportBookSourceDialog.kt
index 1b0d00893..1b634fd84 100644
--- a/app/src/main/java/io/legado/app/ui/association/ImportBookSourceDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/association/ImportBookSourceDialog.kt
@@ -64,7 +64,7 @@ class ImportBookSourceDialog() : BaseDialogFragment(R.layout.dialog_recycler_vie
     override fun onFragmentCreated(view: View, savedInstanceState: Bundle?) {
         binding.toolBar.setBackgroundColor(primaryColor)
         binding.toolBar.setTitle(R.string.import_book_source)
-        binding.rotateLoading.show()
+        binding.rotateLoading.visible()
         initMenu()
         binding.recyclerView.layoutManager = LinearLayoutManager(requireContext())
         binding.recyclerView.adapter = adapter
@@ -93,14 +93,14 @@ class ImportBookSourceDialog() : BaseDialogFragment(R.layout.dialog_recycler_vie
             upSelectText()
         }
         viewModel.errorLiveData.observe(this) {
-            binding.rotateLoading.hide()
+            binding.rotateLoading.gone()
             binding.tvMsg.apply {
                 text = it
                 visible()
             }
         }
         viewModel.successLiveData.observe(this) {
-            binding.rotateLoading.hide()
+            binding.rotateLoading.gone()
             if (it > 0) {
                 adapter.setItems(viewModel.allSources)
                 upSelectText()
diff --git a/app/src/main/java/io/legado/app/ui/association/ImportHttpTtsDialog.kt b/app/src/main/java/io/legado/app/ui/association/ImportHttpTtsDialog.kt
index 46ded7973..29493c60e 100644
--- a/app/src/main/java/io/legado/app/ui/association/ImportHttpTtsDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/association/ImportHttpTtsDialog.kt
@@ -55,7 +55,7 @@ class ImportHttpTtsDialog() : BaseDialogFragment(R.layout.dialog_recycler_view),
     override fun onFragmentCreated(view: View, savedInstanceState: Bundle?) {
         binding.toolBar.setBackgroundColor(primaryColor)
         binding.toolBar.setTitle(R.string.import_tts)
-        binding.rotateLoading.show()
+        binding.rotateLoading.visible()
         binding.recyclerView.layoutManager = LinearLayoutManager(requireContext())
         binding.recyclerView.adapter = adapter
         binding.tvCancel.visible()
@@ -83,14 +83,14 @@ class ImportHttpTtsDialog() : BaseDialogFragment(R.layout.dialog_recycler_view),
             upSelectText()
         }
         viewModel.errorLiveData.observe(this) {
-            binding.rotateLoading.hide()
+            binding.rotateLoading.gone()
             binding.tvMsg.apply {
                 text = it
                 visible()
             }
         }
         viewModel.successLiveData.observe(this) {
-            binding.rotateLoading.hide()
+            binding.rotateLoading.gone()
             if (it > 0) {
                 adapter.setItems(viewModel.allSources)
                 upSelectText()
diff --git a/app/src/main/java/io/legado/app/ui/association/ImportOnLineBookFileDialog.kt b/app/src/main/java/io/legado/app/ui/association/ImportOnLineBookFileDialog.kt
index 5e1d954f3..3b3562f64 100644
--- a/app/src/main/java/io/legado/app/ui/association/ImportOnLineBookFileDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/association/ImportOnLineBookFileDialog.kt
@@ -41,18 +41,18 @@ class ImportOnLineBookFileDialog : BaseDialogFragment(R.layout.dialog_recycler_v
         viewModel.initData(bookUrl)
         binding.toolBar.setBackgroundColor(primaryColor)
         binding.toolBar.setTitle(R.string.download_and_import_file)
-        binding.rotateLoading.show()
+        binding.rotateLoading.visible()
         binding.recyclerView.layoutManager = LinearLayoutManager(requireContext())
         binding.recyclerView.adapter = adapter
         viewModel.errorLiveData.observe(this) {
-            binding.rotateLoading.hide()
+            binding.rotateLoading.gone()
             binding.tvMsg.apply {
                 text = it
                 visible()
             }
         }
         viewModel.successLiveData.observe(this) {
-            binding.rotateLoading.hide()
+            binding.rotateLoading.gone()
             if (it > 0) {
                 adapter.setItems(viewModel.allBookFiles)
             }
diff --git a/app/src/main/java/io/legado/app/ui/association/ImportReplaceRuleDialog.kt b/app/src/main/java/io/legado/app/ui/association/ImportReplaceRuleDialog.kt
index abc34de86..3c7313cfa 100644
--- a/app/src/main/java/io/legado/app/ui/association/ImportReplaceRuleDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/association/ImportReplaceRuleDialog.kt
@@ -59,7 +59,7 @@ class ImportReplaceRuleDialog() : BaseDialogFragment(R.layout.dialog_recycler_vi
     override fun onFragmentCreated(view: View, savedInstanceState: Bundle?) {
         binding.toolBar.setBackgroundColor(primaryColor)
         binding.toolBar.setTitle(R.string.import_replace_rule)
-        binding.rotateLoading.show()
+        binding.rotateLoading.visible()
         initMenu()
         binding.recyclerView.layoutManager = LinearLayoutManager(requireContext())
         binding.recyclerView.adapter = adapter
@@ -88,14 +88,14 @@ class ImportReplaceRuleDialog() : BaseDialogFragment(R.layout.dialog_recycler_vi
             upSelectText()
         }
         viewModel.errorLiveData.observe(this) {
-            binding.rotateLoading.hide()
+            binding.rotateLoading.gone()
             binding.tvMsg.apply {
                 text = it
                 visible()
             }
         }
         viewModel.successLiveData.observe(this) {
-            binding.rotateLoading.hide()
+            binding.rotateLoading.gone()
             if (it > 0) {
                 adapter.setItems(viewModel.allRules)
                 upSelectText()
diff --git a/app/src/main/java/io/legado/app/ui/association/ImportRssSourceDialog.kt b/app/src/main/java/io/legado/app/ui/association/ImportRssSourceDialog.kt
index 2ff1ead19..9dcfdd1bd 100644
--- a/app/src/main/java/io/legado/app/ui/association/ImportRssSourceDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/association/ImportRssSourceDialog.kt
@@ -63,7 +63,7 @@ class ImportRssSourceDialog() : BaseDialogFragment(R.layout.dialog_recycler_view
     override fun onFragmentCreated(view: View, savedInstanceState: Bundle?) {
         binding.toolBar.setBackgroundColor(primaryColor)
         binding.toolBar.setTitle(R.string.import_rss_source)
-        binding.rotateLoading.show()
+        binding.rotateLoading.visible()
         initMenu()
         binding.recyclerView.layoutManager = LinearLayoutManager(requireContext())
         binding.recyclerView.adapter = adapter
@@ -92,14 +92,14 @@ class ImportRssSourceDialog() : BaseDialogFragment(R.layout.dialog_recycler_view
             upSelectText()
         }
         viewModel.errorLiveData.observe(this) {
-            binding.rotateLoading.hide()
+            binding.rotateLoading.gone()
             binding.tvMsg.apply {
                 text = it
                 visible()
             }
         }
         viewModel.successLiveData.observe(this) {
-            binding.rotateLoading.hide()
+            binding.rotateLoading.gone()
             if (it > 0) {
                 adapter.setItems(viewModel.allSources)
                 upSelectText()
diff --git a/app/src/main/java/io/legado/app/ui/association/ImportThemeDialog.kt b/app/src/main/java/io/legado/app/ui/association/ImportThemeDialog.kt
index 63185346f..f9998e22b 100644
--- a/app/src/main/java/io/legado/app/ui/association/ImportThemeDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/association/ImportThemeDialog.kt
@@ -54,7 +54,7 @@ class ImportThemeDialog() : BaseDialogFragment(R.layout.dialog_recycler_view) {
     override fun onFragmentCreated(view: View, savedInstanceState: Bundle?) {
         binding.toolBar.setBackgroundColor(primaryColor)
         binding.toolBar.setTitle(R.string.import_theme)
-        binding.rotateLoading.show()
+        binding.rotateLoading.visible()
         binding.recyclerView.layoutManager = LinearLayoutManager(requireContext())
         binding.recyclerView.adapter = adapter
         binding.tvCancel.visible()
@@ -82,14 +82,14 @@ class ImportThemeDialog() : BaseDialogFragment(R.layout.dialog_recycler_view) {
             upSelectText()
         }
         viewModel.errorLiveData.observe(this) {
-            binding.rotateLoading.hide()
+            binding.rotateLoading.gone()
             binding.tvMsg.apply {
                 text = it
                 visible()
             }
         }
         viewModel.successLiveData.observe(this) {
-            binding.rotateLoading.hide()
+            binding.rotateLoading.gone()
             if (it > 0) {
                 adapter.setItems(viewModel.allSources)
                 upSelectText()
diff --git a/app/src/main/java/io/legado/app/ui/association/ImportTxtTocRuleDialog.kt b/app/src/main/java/io/legado/app/ui/association/ImportTxtTocRuleDialog.kt
index 4c48e1ba2..1d21921e0 100644
--- a/app/src/main/java/io/legado/app/ui/association/ImportTxtTocRuleDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/association/ImportTxtTocRuleDialog.kt
@@ -54,7 +54,7 @@ class ImportTxtTocRuleDialog() : BaseDialogFragment(R.layout.dialog_recycler_vie
     override fun onFragmentCreated(view: View, savedInstanceState: Bundle?) {
         binding.toolBar.setBackgroundColor(primaryColor)
         binding.toolBar.setTitle(R.string.import_txt_toc_rule)
-        binding.rotateLoading.show()
+        binding.rotateLoading.visible()
         binding.recyclerView.layoutManager = LinearLayoutManager(requireContext())
         binding.recyclerView.adapter = adapter
         binding.tvCancel.visible()
@@ -82,14 +82,14 @@ class ImportTxtTocRuleDialog() : BaseDialogFragment(R.layout.dialog_recycler_vie
             upSelectText()
         }
         viewModel.errorLiveData.observe(this) {
-            binding.rotateLoading.hide()
+            binding.rotateLoading.gone()
             binding.tvMsg.apply {
                 text = it
                 visible()
             }
         }
         viewModel.successLiveData.observe(this) {
-            binding.rotateLoading.hide()
+            binding.rotateLoading.gone()
             if (it > 0) {
                 adapter.setItems(viewModel.allSources)
                 upSelectText()
diff --git a/app/src/main/java/io/legado/app/ui/book/changesource/ChangeChapterSourceDialog.kt b/app/src/main/java/io/legado/app/ui/book/changesource/ChangeChapterSourceDialog.kt
index a7eb3d830..bec53fc24 100644
--- a/app/src/main/java/io/legado/app/ui/book/changesource/ChangeChapterSourceDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/changesource/ChangeChapterSourceDialog.kt
@@ -66,7 +66,7 @@ class ChangeChapterSourceDialog() : BaseDialogFragment(R.layout.dialog_chapter_c
         ChangeChapterTocAdapter(requireContext(), this)
     }
     private val contentSuccess: (content: String) -> Unit = {
-        binding.loadingToc.hide()
+        binding.loadingToc.gone()
         callBack?.replaceContent(it)
         dismissAllowingStateLoss()
     }
@@ -267,7 +267,7 @@ class ChangeChapterSourceDialog() : BaseDialogFragment(R.layout.dialog_chapter_c
         this.searchBook = searchBook
         tocAdapter.setItems(null)
         binding.clToc.visible()
-        binding.loadingToc.show()
+        binding.loadingToc.visible()
         val book = searchBook.toBook()
         viewModel.getToc(book, {
             binding.clToc.gone()
@@ -275,7 +275,7 @@ class ChangeChapterSourceDialog() : BaseDialogFragment(R.layout.dialog_chapter_c
         }) { toc: List<BookChapter>, _: BookSource ->
             tocAdapter.durChapterIndex =
                 BookHelp.getDurChapter(viewModel.chapterIndex, viewModel.chapterTitle, toc)
-            binding.loadingToc.hide()
+            binding.loadingToc.gone()
             tocAdapter.setItems(toc)
             binding.recyclerViewToc.scrollToPosition(tocAdapter.durChapterIndex - 5)
         }
@@ -321,9 +321,9 @@ class ChangeChapterSourceDialog() : BaseDialogFragment(R.layout.dialog_chapter_c
 
     override fun clickChapter(bookChapter: BookChapter, nextChapterUrl: String?) {
         searchBook?.let {
-            binding.loadingToc.show()
+            binding.loadingToc.visible()
             viewModel.getContent(it.toBook(), bookChapter, nextChapterUrl, contentSuccess) { msg ->
-                binding.loadingToc.hide()
+                binding.loadingToc.gone()
                 binding.clToc.gone()
                 toastOnUi(msg)
             }
diff --git a/app/src/main/java/io/legado/app/ui/book/read/ContentEditDialog.kt b/app/src/main/java/io/legado/app/ui/book/read/ContentEditDialog.kt
index fb9e780b1..c229c906c 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/ContentEditDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/ContentEditDialog.kt
@@ -58,9 +58,9 @@ class ContentEditDialog : BaseDialogFragment(R.layout.dialog_content_edit) {
         }
         viewModel.loadStateLiveData.observe(viewLifecycleOwner) {
             if (it) {
-                binding.rlLoading.show()
+                binding.rlLoading.visible()
             } else {
-                binding.rlLoading.hide()
+                binding.rlLoading.gone()
             }
         }
         viewModel.initContent {
diff --git a/app/src/main/java/io/legado/app/ui/book/source/debug/BookSourceDebugActivity.kt b/app/src/main/java/io/legado/app/ui/book/source/debug/BookSourceDebugActivity.kt
index 0cf843db7..64b48f60b 100644
--- a/app/src/main/java/io/legado/app/ui/book/source/debug/BookSourceDebugActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/source/debug/BookSourceDebugActivity.kt
@@ -50,7 +50,7 @@ class BookSourceDebugActivity : VMBaseActivity<ActivitySourceDebugBinding, BookS
             launch {
                 adapter.addItem(msg)
                 if (state == -1 || state == 1000) {
-                    binding.rotateLoading.hide()
+                    binding.rotateLoading.gone()
                 }
             }
         }
@@ -165,7 +165,7 @@ class BookSourceDebugActivity : VMBaseActivity<ActivitySourceDebugBinding, BookS
     private fun startSearch(key: String) {
         adapter.clearItems()
         viewModel.startDebug(key, {
-            binding.rotateLoading.show()
+            binding.rotateLoading.visible()
         }, {
             toastOnUi("未获取到书源")
         })
diff --git a/app/src/main/java/io/legado/app/ui/dict/DictDialog.kt b/app/src/main/java/io/legado/app/ui/dict/DictDialog.kt
index d384d0a60..d1800a569 100644
--- a/app/src/main/java/io/legado/app/ui/dict/DictDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/dict/DictDialog.kt
@@ -12,7 +12,6 @@ import io.legado.app.data.entities.DictRule
 import io.legado.app.databinding.DialogDictBinding
 import io.legado.app.lib.theme.accentColor
 import io.legado.app.lib.theme.backgroundColor
-import io.legado.app.utils.invisible
 import io.legado.app.utils.setHtml
 import io.legado.app.utils.setLayout
 import io.legado.app.utils.toastOnUi
@@ -60,11 +59,12 @@ class DictDialog() : BaseDialogFragment(R.layout.dialog_dict) {
 
             override fun onTabSelected(tab: TabLayout.Tab) {
                 val dictRule = tab.tag as DictRule
+                binding.rotateLoading.visible()
                 viewModel.dict(dictRule, word!!)
             }
         })
         viewModel.dictHtmlData.observe(viewLifecycleOwner) {
-            binding.rotateLoading.invisible()
+            binding.rotateLoading.inVisible()
             binding.tvDict.setHtml(it)
         }
         viewModel.initData {
diff --git a/app/src/main/java/io/legado/app/ui/dict/DictViewModel.kt b/app/src/main/java/io/legado/app/ui/dict/DictViewModel.kt
index 567476e12..4730b3530 100644
--- a/app/src/main/java/io/legado/app/ui/dict/DictViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/dict/DictViewModel.kt
@@ -6,7 +6,6 @@ import io.legado.app.base.BaseViewModel
 import io.legado.app.data.entities.DictRule
 import io.legado.app.help.DefaultData
 import io.legado.app.utils.toastOnUi
-import java.util.regex.Pattern
 
 class DictViewModel(application: Application) : BaseViewModel(application) {
     var dictRules: List<DictRule>? = null
@@ -31,16 +30,5 @@ class DictViewModel(application: Application) : BaseViewModel(application) {
         }
     }
 
-    /**
-     * 判断是否包含汉字
-     * @param str
-     * @return
-     */
-
-    private fun isChinese(str: String): Boolean {
-        val p = Pattern.compile("[\u4e00-\u9fa5]")
-        val m = p.matcher(str)
-        return m.find()
-    }
 
 }
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/ui/main/bookshelf/style1/books/BooksAdapterGrid.kt b/app/src/main/java/io/legado/app/ui/main/bookshelf/style1/books/BooksAdapterGrid.kt
index 7c35f72d4..d6b117f4a 100644
--- a/app/src/main/java/io/legado/app/ui/main/bookshelf/style1/books/BooksAdapterGrid.kt
+++ b/app/src/main/java/io/legado/app/ui/main/bookshelf/style1/books/BooksAdapterGrid.kt
@@ -43,9 +43,9 @@ class BooksAdapterGrid(context: Context, private val callBack: CallBack) :
     private fun upRefresh(binding: ItemBookshelfGridBinding, item: Book) {
         if (!item.isLocal && callBack.isUpdate(item.bookUrl)) {
             binding.bvUnread.invisible()
-            binding.rlLoading.show()
+            binding.rlLoading.visible()
         } else {
-            binding.rlLoading.hide()
+            binding.rlLoading.inVisible()
             if (AppConfig.showUnread) {
                 binding.bvUnread.setBadgeCount(item.getUnreadChapterNum())
                 binding.bvUnread.setHighlight(item.lastCheckCount > 0)
diff --git a/app/src/main/java/io/legado/app/ui/main/bookshelf/style1/books/BooksAdapterList.kt b/app/src/main/java/io/legado/app/ui/main/bookshelf/style1/books/BooksAdapterList.kt
index e3162a4aa..70354aff6 100644
--- a/app/src/main/java/io/legado/app/ui/main/bookshelf/style1/books/BooksAdapterList.kt
+++ b/app/src/main/java/io/legado/app/ui/main/bookshelf/style1/books/BooksAdapterList.kt
@@ -52,9 +52,9 @@ class BooksAdapterList(context: Context, private val callBack: CallBack) :
     private fun upRefresh(binding: ItemBookshelfListBinding, item: Book) {
         if (!item.isLocal && callBack.isUpdate(item.bookUrl)) {
             binding.bvUnread.invisible()
-            binding.rlLoading.show()
+            binding.rlLoading.visible()
         } else {
-            binding.rlLoading.hide()
+            binding.rlLoading.gone()
             if (AppConfig.showUnread) {
                 binding.bvUnread.setHighlight(item.lastCheckCount > 0)
                 binding.bvUnread.setBadgeCount(item.getUnreadChapterNum())
diff --git a/app/src/main/java/io/legado/app/ui/main/bookshelf/style2/BooksAdapterGrid.kt b/app/src/main/java/io/legado/app/ui/main/bookshelf/style2/BooksAdapterGrid.kt
index 610f1cf3d..d80540ed0 100644
--- a/app/src/main/java/io/legado/app/ui/main/bookshelf/style2/BooksAdapterGrid.kt
+++ b/app/src/main/java/io/legado/app/ui/main/bookshelf/style2/BooksAdapterGrid.kt
@@ -113,9 +113,9 @@ class BooksAdapterGrid(context: Context, callBack: CallBack) :
     private fun upRefresh(binding: ItemBookshelfGridBinding, item: Book) {
         if (!item.isLocal && callBack.isUpdate(item.bookUrl)) {
             binding.bvUnread.invisible()
-            binding.rlLoading.show()
+            binding.rlLoading.visible()
         } else {
-            binding.rlLoading.hide()
+            binding.rlLoading.inVisible()
             if (AppConfig.showUnread) {
                 binding.bvUnread.setBadgeCount(item.getUnreadChapterNum())
                 binding.bvUnread.setHighlight(item.lastCheckCount > 0)
diff --git a/app/src/main/java/io/legado/app/ui/main/bookshelf/style2/BooksAdapterList.kt b/app/src/main/java/io/legado/app/ui/main/bookshelf/style2/BooksAdapterList.kt
index 3e439f15c..6ccfecca2 100644
--- a/app/src/main/java/io/legado/app/ui/main/bookshelf/style2/BooksAdapterList.kt
+++ b/app/src/main/java/io/legado/app/ui/main/bookshelf/style2/BooksAdapterList.kt
@@ -128,9 +128,9 @@ class BooksAdapterList(context: Context, callBack: CallBack) :
     private fun upRefresh(binding: ItemBookshelfListBinding, item: Book) {
         if (!item.isLocal && callBack.isUpdate(item.bookUrl)) {
             binding.bvUnread.invisible()
-            binding.rlLoading.show()
+            binding.rlLoading.visible()
         } else {
-            binding.rlLoading.hide()
+            binding.rlLoading.gone()
             if (AppConfig.showUnread) {
                 binding.bvUnread.setHighlight(item.lastCheckCount > 0)
                 binding.bvUnread.setBadgeCount(item.getUnreadChapterNum())
diff --git a/app/src/main/java/io/legado/app/ui/main/explore/ExploreAdapter.kt b/app/src/main/java/io/legado/app/ui/main/explore/ExploreAdapter.kt
index 38c5f1ac9..8a5e110fa 100644
--- a/app/src/main/java/io/legado/app/ui/main/explore/ExploreAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/main/explore/ExploreAdapter.kt
@@ -53,7 +53,7 @@ class ExploreAdapter(context: Context, val callBack: CallBack) :
             if (exIndex == holder.layoutPosition) {
                 ivStatus.setImageResource(R.drawable.ic_arrow_down)
                 rotateLoading.loadingColor = context.accentColor
-                rotateLoading.show()
+                rotateLoading.visible()
                 if (scrollTo >= 0) {
                     callBack.scrollTo(scrollTo)
                 }
@@ -62,7 +62,7 @@ class ExploreAdapter(context: Context, val callBack: CallBack) :
                 }.onSuccess { kindList ->
                     upKindList(flexbox, item.bookSourceUrl, kindList)
                 }.onFinally {
-                    rotateLoading.hide()
+                    rotateLoading.gone()
                     if (scrollTo >= 0) {
                         callBack.scrollTo(scrollTo)
                         scrollTo = -1
@@ -70,7 +70,7 @@ class ExploreAdapter(context: Context, val callBack: CallBack) :
                 }
             } else kotlin.runCatching {
                 ivStatus.setImageResource(R.drawable.ic_arrow_right)
-                rotateLoading.hide()
+                rotateLoading.gone()
                 recyclerFlexbox(flexbox)
                 flexbox.gone()
             }
diff --git a/app/src/main/java/io/legado/app/ui/rss/source/debug/RssSourceDebugActivity.kt b/app/src/main/java/io/legado/app/ui/rss/source/debug/RssSourceDebugActivity.kt
index b9b36833d..9b7578be7 100644
--- a/app/src/main/java/io/legado/app/ui/rss/source/debug/RssSourceDebugActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/rss/source/debug/RssSourceDebugActivity.kt
@@ -33,7 +33,7 @@ class RssSourceDebugActivity : VMBaseActivity<ActivitySourceDebugBinding, RssSou
             launch {
                 adapter.addItem(msg)
                 if (state == -1 || state == 1000) {
-                    binding.rotateLoading.hide()
+                    binding.rotateLoading.gone()
                 }
             }
         }
@@ -68,7 +68,7 @@ class RssSourceDebugActivity : VMBaseActivity<ActivitySourceDebugBinding, RssSou
     private fun startDebug() {
         adapter.clearItems()
         viewModel.rssSource?.let {
-            binding.rotateLoading.show()
+            binding.rotateLoading.visible()
             viewModel.startDebug(it)
         } ?: toastOnUi(R.string.error_no_source)
     }
diff --git a/app/src/main/java/io/legado/app/ui/widget/anima/RotateLoading.kt b/app/src/main/java/io/legado/app/ui/widget/anima/RotateLoading.kt
index 337b53642..2138936e6 100644
--- a/app/src/main/java/io/legado/app/ui/widget/anima/RotateLoading.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/anima/RotateLoading.kt
@@ -39,7 +39,7 @@ class RotateLoading @JvmOverloads constructor(
 
     private var shadowPosition: Int = 0
 
-    var hideMode = GONE
+    private var hideMode = GONE
 
     var isStarted = false
         private set
@@ -78,10 +78,6 @@ class RotateLoading @JvmOverloads constructor(
             )
             speedOfDegree =
                 typedArray.getInt(R.styleable.RotateLoading_loading_speed, DEFAULT_SPEED_OF_DEGREE)
-            hideMode = when (typedArray.getInt(R.styleable.RotateLoading_hide_mode, 2)) {
-                1 -> INVISIBLE
-                else -> GONE
-            }
             typedArray.recycle()
         }
         speedOfArc = (speedOfDegree / 4).toFloat()
@@ -174,13 +170,21 @@ class RotateLoading @JvmOverloads constructor(
         removeCallbacks(hidden)
     }
 
-    fun show() {
+    fun visible() {
         removeCallbacks(shown)
         removeCallbacks(hidden)
         post(shown)
     }
 
-    fun hide() {
+    fun inVisible() {
+        hideMode = INVISIBLE
+        removeCallbacks(shown)
+        removeCallbacks(hidden)
+        stopInternal()
+    }
+
+    fun gone() {
+        hideMode = GONE
         removeCallbacks(shown)
         removeCallbacks(hidden)
         stopInternal()
diff --git a/app/src/main/java/io/legado/app/ui/widget/recycler/LoadMoreView.kt b/app/src/main/java/io/legado/app/ui/widget/recycler/LoadMoreView.kt
index 0a047d2ba..53f20f0c2 100644
--- a/app/src/main/java/io/legado/app/ui/widget/recycler/LoadMoreView.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/recycler/LoadMoreView.kt
@@ -44,12 +44,12 @@ class LoadMoreView(context: Context, attrs: AttributeSet? = null) : FrameLayout(
     fun startLoad() {
         isLoading = true
         binding.tvText.invisible()
-        binding.rotateLoading.show()
+        binding.rotateLoading.visible()
     }
 
     fun stopLoad() {
         isLoading = false
-        binding.rotateLoading.hide()
+        binding.rotateLoading.inVisible()
     }
 
     fun hasMore() {
diff --git a/app/src/main/java/io/legado/app/utils/StringExtensions.kt b/app/src/main/java/io/legado/app/utils/StringExtensions.kt
index dc58912d9..898e6d3fe 100644
--- a/app/src/main/java/io/legado/app/utils/StringExtensions.kt
+++ b/app/src/main/java/io/legado/app/utils/StringExtensions.kt
@@ -11,6 +11,7 @@ import java.io.File
 import java.lang.Character.codePointCount
 import java.lang.Character.offsetByCodePoints
 import java.util.*
+import java.util.regex.Pattern
 
 fun String?.safeTrim() = if (this.isNullOrBlank()) null else this.trim()
 
@@ -99,6 +100,15 @@ fun String?.memorySize(): Int {
     return 40 + 2 * length
 }
 
+/**
+ * 是否中文
+ */
+fun String.isChinese(): Boolean {
+    val p = Pattern.compile("[\u4e00-\u9fa5]")
+    val m = p.matcher(this)
+    return m.find()
+}
+
 /**
  * 将字符串拆分为单个字符,包含emoji
  */
diff --git a/app/src/main/res/layout/item_bookshelf_grid.xml b/app/src/main/res/layout/item_bookshelf_grid.xml
index 25907e7c3..6b6b317a0 100644
--- a/app/src/main/res/layout/item_bookshelf_grid.xml
+++ b/app/src/main/res/layout/item_bookshelf_grid.xml
@@ -52,7 +52,6 @@
                 android:layout_height="22dp"
                 android:layout_gravity="right"
                 android:visibility="invisible"
-                app:hide_mode="invisible"
                 app:layout_constraintRight_toRightOf="parent"
                 app:layout_constraintTop_toTopOf="parent"
                 app:loading_width="2dp"
diff --git a/app/src/main/res/layout/item_bookshelf_grid_group.xml b/app/src/main/res/layout/item_bookshelf_grid_group.xml
index b2e059414..49a083305 100644
--- a/app/src/main/res/layout/item_bookshelf_grid_group.xml
+++ b/app/src/main/res/layout/item_bookshelf_grid_group.xml
@@ -51,7 +51,6 @@
                 android:layout_height="22dp"
                 android:layout_gravity="right"
                 android:visibility="invisible"
-                app:hide_mode="invisible"
                 app:layout_constraintRight_toRightOf="parent"
                 app:layout_constraintTop_toTopOf="parent"
                 app:loading_width="2dp"
diff --git a/app/src/main/res/layout/item_find_book.xml b/app/src/main/res/layout/item_find_book.xml
index ee74dfaa9..a9c834e97 100644
--- a/app/src/main/res/layout/item_find_book.xml
+++ b/app/src/main/res/layout/item_find_book.xml
@@ -36,7 +36,6 @@
             android:visibility="gone"
             android:layout_gravity="center"
             android:layout_marginRight="4dp"
-            app:hide_mode="gone"
             app:loading_width="1dp"
             tools:ignore="RtlHardcoded" />
 
diff --git a/app/src/main/res/layout/view_load_more.xml b/app/src/main/res/layout/view_load_more.xml
index 418073dfc..3ddcdabdd 100644
--- a/app/src/main/res/layout/view_load_more.xml
+++ b/app/src/main/res/layout/view_load_more.xml
@@ -12,7 +12,6 @@
         android:layout_margin="6dp"
         android:layout_gravity="center"
         android:visibility="invisible"
-        app:hide_mode="invisible"
         app:loading_width="2dp" />
 
     <TextView
diff --git a/app/src/main/res/values/attrs.xml b/app/src/main/res/values/attrs.xml
index 7a9adb1df..fab969f10 100644
--- a/app/src/main/res/values/attrs.xml
+++ b/app/src/main/res/values/attrs.xml
@@ -128,12 +128,6 @@
         <attr name="loading_color" format="color" />
         <attr name="shadow_position" format="integer" />
         <attr name="loading_speed" format="integer" />
-        <attr name="hide_mode">
-            <!-- Not displayed, but taken into account during layout (space is left for it). -->
-            <enum name="invisible" value="1" />
-            <!-- Completely hidden, as if the view had not been added. -->
-            <enum name="gone" value="2" />
-        </attr>
     </declare-styleable>
 
     <declare-styleable name="CircleImageView">