diff --git a/app/src/main/assets/updateLog.md b/app/src/main/assets/updateLog.md
index 344463246..50cf85aef 100644
--- a/app/src/main/assets/updateLog.md
+++ b/app/src/main/assets/updateLog.md
@@ -3,6 +3,12 @@
 * 关注合作公众号 **[小说拾遗]** 获取好看的小说。
 * 旧版数据导入教程：先在旧版阅读(2.x)中进行备份，然后在新版阅读(3.x)【我的】->【备份与恢复】，选择【导入旧版本数据】。
 
+**2021/04/02**
+* 修复bug
+* 书源调试添加源码查看
+* 添加导出epub by ag2s20150909
+* 换源添加是否校验作者选项
+
 **2021/03/31**
 * 优化epubLib by ag2s20150909
 * 升级库,修改弃用方法
diff --git a/app/src/main/java/io/legado/app/constant/PreferKey.kt b/app/src/main/java/io/legado/app/constant/PreferKey.kt
index e9801a743..72d260d8a 100644
--- a/app/src/main/java/io/legado/app/constant/PreferKey.kt
+++ b/app/src/main/java/io/legado/app/constant/PreferKey.kt
@@ -40,6 +40,8 @@ object PreferKey {
     const val webDavPassword = "web_dav_password"
     const val webDavCreateDir = "webDavCreateDir"
     const val exportToWebDav = "webDavCacheBackup"
+    const val exportType = "exportType"
+    const val changeSourceCheckAuthor = "changeSourceCheckAuthor"
     const val changeSourceLoadToc = "changeSourceLoadToc"
     const val changeSourceLoadInfo = "changeSourceLoadInfo"
     const val chineseConverterType = "chineseConverterType"
diff --git a/app/src/main/java/io/legado/app/data/dao/SearchBookDao.kt b/app/src/main/java/io/legado/app/data/dao/SearchBookDao.kt
index 234e24e0d..9618ad317 100644
--- a/app/src/main/java/io/legado/app/data/dao/SearchBookDao.kt
+++ b/app/src/main/java/io/legado/app/data/dao/SearchBookDao.kt
@@ -27,7 +27,7 @@ interface SearchBookDao {
         select t1.name, t1.author, t1.origin, t1.originName, t1.coverUrl, t1.bookUrl, t1.type, t1.time, t1.intro, t1.kind, t1.latestChapterTitle, t1.tocUrl, t1.variable, t1.wordCount, t2.customOrder as originOrder
         from searchBooks as t1 inner join book_sources as t2 
         on t1.origin = t2.bookSourceUrl 
-        where t1.name = :name and t1.author = :author and t2.enabled = 1 and t2.bookSourceGroup like '%'||:sourceGroup||'%'
+        where t1.name = :name and t1.author like '%'||:author||'%' and t2.enabled = 1 and t2.bookSourceGroup like '%'||:sourceGroup||'%'
         order by t2.customOrder
         """
     )
diff --git a/app/src/main/java/io/legado/app/help/AppConfig.kt b/app/src/main/java/io/legado/app/help/AppConfig.kt
index 7468fbef5..c72078564 100644
--- a/app/src/main/java/io/legado/app/help/AppConfig.kt
+++ b/app/src/main/java/io/legado/app/help/AppConfig.kt
@@ -161,6 +161,18 @@ object AppConfig : SharedPreferences.OnSharedPreferenceChangeListener {
             appCtx.putPrefBoolean(PreferKey.exportToWebDav, value)
         }
 
+    var exportType: Int
+        get() = appCtx.getPrefInt(PreferKey.exportType)
+        set(value) {
+            appCtx.putPrefInt(PreferKey.exportType, value)
+        }
+
+    var changeSourceCheckAuthor: Boolean
+        get() = appCtx.getPrefBoolean(PreferKey.changeSourceCheckAuthor)
+        set(value) {
+            appCtx.putPrefBoolean(PreferKey.changeSourceCheckAuthor, value)
+        }
+
     val autoChangeSource: Boolean
         get() = appCtx.getPrefBoolean(PreferKey.autoChangeSource, true)
 
@@ -176,7 +188,7 @@ object AppConfig : SharedPreferences.OnSharedPreferenceChangeListener {
 
     val mediaButtonOnExit get() = appCtx.getPrefBoolean("mediaButtonOnExit", true)
 
-    val replaceEnableDefault get() =  appCtx.getPrefBoolean(PreferKey.replaceEnableDefault, true)
+    val replaceEnableDefault get() = appCtx.getPrefBoolean(PreferKey.replaceEnableDefault, true)
 
     private fun getPrefUserAgent(): String {
         val ua = appCtx.getPrefString(PreferKey.userAgent)
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 19e293b2b..142571054 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
@@ -72,6 +72,16 @@ object LocalBook {
         if (smhStart != -1 && smhEnd != -1) {
             name = (name.substring(smhStart + 1, smhEnd))
         }
+        if (author == "" && fileName.contains(" by ")) {
+            val rstr = fileName.reversed()
+            // find last ' by ' near '.txt' or '.epub' using reversed string
+            val pattern = """^(txt|bupe)\.(.*) yb (.*)$""".toRegex()
+            val matches = pattern.findAll(input = rstr)
+            matches.forEach { matchResult ->
+                name = matchResult.groupValues[3].reversed()
+                author = matchResult.groupValues[2].reversed()
+            }
+        }
         val book = Book(
             bookUrl = path,
             name = name,
diff --git a/app/src/main/java/io/legado/app/model/webBook/BookChapterList.kt b/app/src/main/java/io/legado/app/model/webBook/BookChapterList.kt
index 2e7ebfb38..0867fd95e 100644
--- a/app/src/main/java/io/legado/app/model/webBook/BookChapterList.kt
+++ b/app/src/main/java/io/legado/app/model/webBook/BookChapterList.kt
@@ -32,7 +32,7 @@ object BookChapterList {
             appCtx.getString(R.string.error_get_web_content, baseUrl)
         )
         Debug.log(bookSource.bookSourceUrl, "≡获取成功:${baseUrl}")
-
+        Debug.log(bookSource.bookSourceUrl, body, state = 30)
         val tocRule = bookSource.getTocRule()
         val nextUrlList = arrayListOf(baseUrl)
         var reverse = false
diff --git a/app/src/main/java/io/legado/app/model/webBook/BookContent.kt b/app/src/main/java/io/legado/app/model/webBook/BookContent.kt
index 574a9acdf..8eef8d50b 100644
--- a/app/src/main/java/io/legado/app/model/webBook/BookContent.kt
+++ b/app/src/main/java/io/legado/app/model/webBook/BookContent.kt
@@ -33,6 +33,7 @@ object BookContent {
             appCtx.getString(R.string.error_get_web_content, baseUrl)
         )
         Debug.log(bookSource.bookSourceUrl, "≡获取成功:${baseUrl}")
+        Debug.log(bookSource.bookSourceUrl, body, state = 40)
         val mNextChapterUrl = if (!nextChapterUrl.isNullOrEmpty()) {
             nextChapterUrl
         } else {
diff --git a/app/src/main/java/io/legado/app/model/webBook/BookInfo.kt b/app/src/main/java/io/legado/app/model/webBook/BookInfo.kt
index 5bd30e2b3..bb3e99a39 100644
--- a/app/src/main/java/io/legado/app/model/webBook/BookInfo.kt
+++ b/app/src/main/java/io/legado/app/model/webBook/BookInfo.kt
@@ -29,6 +29,7 @@ object BookInfo {
             appCtx.getString(R.string.error_get_web_content, baseUrl)
         )
         Debug.log(bookSource.bookSourceUrl, "≡获取成功:${baseUrl}")
+        Debug.log(bookSource.bookSourceUrl, body, state = 20)
         val analyzeRule = AnalyzeRule(book)
         analyzeRule.setContent(body).setBaseUrl(baseUrl)
         analyzeRule.setRedirectUrl(redirectUrl)
diff --git a/app/src/main/java/io/legado/app/model/webBook/BookList.kt b/app/src/main/java/io/legado/app/model/webBook/BookList.kt
index c24192ab2..64c0618d9 100644
--- a/app/src/main/java/io/legado/app/model/webBook/BookList.kt
+++ b/app/src/main/java/io/legado/app/model/webBook/BookList.kt
@@ -36,6 +36,7 @@ object BookList {
             )
         )
         Debug.log(bookSource.bookSourceUrl, "≡获取成功:${analyzeUrl.ruleUrl}")
+        Debug.log(bookSource.bookSourceUrl, body, state = 10)
         val analyzeRule = AnalyzeRule(variableBook)
         analyzeRule.setContent(body).setBaseUrl(baseUrl)
         analyzeRule.setRedirectUrl(baseUrl)
diff --git a/app/src/main/java/io/legado/app/ui/book/cache/CacheActivity.kt b/app/src/main/java/io/legado/app/ui/book/cache/CacheActivity.kt
index 52feb9489..23b4289f3 100644
--- a/app/src/main/java/io/legado/app/ui/book/cache/CacheActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/cache/CacheActivity.kt
@@ -23,6 +23,7 @@ import io.legado.app.databinding.DialogEditTextBinding
 import io.legado.app.help.AppConfig
 import io.legado.app.help.BookHelp
 import io.legado.app.lib.dialogs.alert
+import io.legado.app.lib.dialogs.selector
 import io.legado.app.service.help.CacheBook
 import io.legado.app.ui.document.FilePicker
 import io.legado.app.ui.document.FilePickerParam
@@ -122,6 +123,7 @@ class CacheActivity : VMBaseActivity<ActivityCacheBookBinding, CacheViewModel>()
             R.id.menu_enable_replace -> AppConfig.exportUseReplace = !item.isChecked
             R.id.menu_export_web_dav -> AppConfig.exportToWebDav = !item.isChecked
             R.id.menu_export_folder -> export(-1)
+            R.id.menu_export_type -> showExportTypeConfig()
             R.id.menu_export_charset -> showCharsetConfig()
             R.id.menu_log ->
                 TextListDialog.show(supportFragmentManager, getString(R.string.log), CacheBook.logs)
@@ -239,12 +241,23 @@ class CacheActivity : VMBaseActivity<ActivityCacheBookBinding, CacheViewModel>()
         adapter.getItem(exportPosition)?.let { book ->
             Snackbar.make(binding.titleBar, R.string.exporting, Snackbar.LENGTH_INDEFINITE)
                 .show()
-            viewModel.exportEPUB(path, book) {
-                binding.titleBar.snackbar(it)
+            when (AppConfig.exportType) {
+                1 -> viewModel.exportEPUB(path, book) {
+                    binding.titleBar.snackbar(it)
+                }
+                else -> viewModel.export(path, book) {
+                    binding.titleBar.snackbar(it)
+                }
             }
         }
     }
 
+    private fun showExportTypeConfig() {
+        selector(R.string.export_type, arrayListOf("txt", "epub")) { _, i ->
+            AppConfig.exportType = i
+        }
+    }
+
     private fun showCharsetConfig() {
         alert(R.string.set_charset) {
             val alertBinding = DialogEditTextBinding.inflate(layoutInflater).apply {
diff --git a/app/src/main/java/io/legado/app/ui/book/cache/CacheViewModel.kt b/app/src/main/java/io/legado/app/ui/book/cache/CacheViewModel.kt
index e60a7d3d0..ef0cc2aea 100644
--- a/app/src/main/java/io/legado/app/ui/book/cache/CacheViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/book/cache/CacheViewModel.kt
@@ -106,7 +106,7 @@ class CacheViewModel(application: Application) : BaseViewModel(application) {
         }
     }
 
-    private suspend fun getAllContents(book: Book, append: (text: String) -> Unit) {
+    private fun getAllContents(book: Book, append: (text: String) -> Unit) {
         val useReplace = AppConfig.exportUseReplace
         val contentProcessor = ContentProcessor(book.name, book.origin)
         append("${book.name}\n${context.getString(R.string.author_show, book.author)}")
@@ -159,13 +159,13 @@ class CacheViewModel(application: Application) : BaseViewModel(application) {
     }
 
     @Suppress("BlockingMethodInNonBlockingContext")
-    private suspend fun exportEpub(doc: DocumentFile, book: Book) {
+    private fun exportEpub(doc: DocumentFile, book: Book) {
         val filename = "${book.name} by ${book.author}.epub"
         DocumentUtils.delete(doc, filename)
         val epubBook = EpubBook()
         epubBook.version = "2.0"
         //set metadata
-        setEpubMetadata(book,epubBook)
+        setEpubMetadata(book, epubBook)
         //set cover
         setCover(book, epubBook)
 
@@ -187,12 +187,12 @@ class CacheViewModel(application: Application) : BaseViewModel(application) {
         }
     }
 
-    private suspend fun exportEpub(file: File, book: Book) {
+    private fun exportEpub(file: File, book: Book) {
         val filename = "${book.name} by ${book.author}.epub"
         val epubBook = EpubBook()
         epubBook.version = "2.0"
         //set metadata
-        setEpubMetadata(book,epubBook)
+        setEpubMetadata(book, epubBook)
         //set cover
         setCover(book, epubBook)
 
diff --git a/app/src/main/java/io/legado/app/ui/book/changesource/ChangeSourceAdapter.kt b/app/src/main/java/io/legado/app/ui/book/changesource/ChangeSourceAdapter.kt
index 70196a543..b5298d4b7 100644
--- a/app/src/main/java/io/legado/app/ui/book/changesource/ChangeSourceAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/book/changesource/ChangeSourceAdapter.kt
@@ -16,7 +16,11 @@ import io.legado.app.utils.visible
 import splitties.views.onLongClick
 
 
-class ChangeSourceAdapter(context: Context, val callBack: CallBack) :
+class ChangeSourceAdapter(
+    context: Context,
+    val viewModel: ChangeSourceViewModel,
+    val callBack: CallBack
+) :
     DiffRecyclerAdapter<SearchBook, ItemChangeSourceBinding>(context) {
 
     override val diffItemCallback: DiffUtil.ItemCallback<SearchBook>
@@ -46,6 +50,7 @@ class ChangeSourceAdapter(context: Context, val callBack: CallBack) :
         binding.apply {
             if (bundle == null) {
                 tvOrigin.text = item.originName
+                tvAuthor.text = item.author
                 tvLast.text = item.getDisplayLastChapterTitle()
                 if (callBack.bookUrl == item.bookUrl) {
                     ivChecked.visible()
diff --git a/app/src/main/java/io/legado/app/ui/book/changesource/ChangeSourceDialog.kt b/app/src/main/java/io/legado/app/ui/book/changesource/ChangeSourceDialog.kt
index e6be2e4be..e83118039 100644
--- a/app/src/main/java/io/legado/app/ui/book/changesource/ChangeSourceDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/changesource/ChangeSourceDialog.kt
@@ -77,13 +77,15 @@ class ChangeSourceDialog : BaseDialogFragment(),
 
     private fun showTitle() {
         binding.toolBar.title = viewModel.name
-        binding.toolBar.subtitle = getString(R.string.author_show, viewModel.author)
+        binding.toolBar.subtitle = viewModel.author
     }
 
     private fun initMenu() {
         binding.toolBar.inflateMenu(R.menu.change_source)
         binding.toolBar.menu.applyTint(requireContext())
         binding.toolBar.setOnMenuItemClickListener(this)
+        binding.toolBar.menu.findItem(R.id.menu_check_author)
+            ?.isChecked = AppConfig.changeSourceCheckAuthor
         binding.toolBar.menu.findItem(R.id.menu_load_info)
             ?.isChecked = AppConfig.changeSourceLoadInfo
         binding.toolBar.menu.findItem(R.id.menu_load_toc)
@@ -91,7 +93,7 @@ class ChangeSourceDialog : BaseDialogFragment(),
     }
 
     private fun initRecyclerView() {
-        adapter = ChangeSourceAdapter(requireContext(), this)
+        adapter = ChangeSourceAdapter(requireContext(), viewModel, this)
         binding.recyclerView.layoutManager = LinearLayoutManager(context)
         binding.recyclerView.addItemDecoration(VerticalDivider(requireContext()))
         binding.recyclerView.adapter = adapter
@@ -160,6 +162,11 @@ class ChangeSourceDialog : BaseDialogFragment(),
 
     override fun onMenuItemClick(item: MenuItem?): Boolean {
         when (item?.itemId) {
+            R.id.menu_check_author -> {
+                AppConfig.changeSourceCheckAuthor = !item.isChecked
+                item.isChecked = !item.isChecked
+                viewModel.loadDbSearchBook()
+            }
             R.id.menu_load_toc -> {
                 putPrefBoolean(PreferKey.changeSourceLoadToc, !item.isChecked)
                 item.isChecked = !item.isChecked
diff --git a/app/src/main/java/io/legado/app/ui/book/changesource/ChangeSourceViewModel.kt b/app/src/main/java/io/legado/app/ui/book/changesource/ChangeSourceViewModel.kt
index ae3114e04..6197725bd 100644
--- a/app/src/main/java/io/legado/app/ui/book/changesource/ChangeSourceViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/book/changesource/ChangeSourceViewModel.kt
@@ -63,12 +63,15 @@ class ChangeSourceViewModel(application: Application) : BaseViewModel(applicatio
         execute {
             searchBooks.clear()
             upAdapter()
-            appDb.searchBookDao.getChangeSourceSearch(name, author, searchGroup).let {
-                searchBooks.addAll(it)
-                searchBooksLiveData.postValue(searchBooks.toList())
-                if (it.size <= 1) {
-                    startSearch()
-                }
+            val sbs = if (AppConfig.changeSourceCheckAuthor) {
+                appDb.searchBookDao.getChangeSourceSearch(name, author, searchGroup)
+            } else {
+                appDb.searchBookDao.getChangeSourceSearch(name, "", searchGroup)
+            }
+            searchBooks.addAll(sbs)
+            searchBooksLiveData.postValue(searchBooks.toList())
+            if (sbs.size <= 1) {
+                startSearch()
             }
         }
     }
@@ -130,15 +133,19 @@ class ChangeSourceViewModel(application: Application) : BaseViewModel(applicatio
             .timeout(60000L)
             .onSuccess(IO) {
                 it.forEach { searchBook ->
-                    if (searchBook.name == name && searchBook.author == author) {
-                        if (searchBook.latestChapterTitle.isNullOrEmpty()) {
-                            if (AppConfig.changeSourceLoadInfo || AppConfig.changeSourceLoadToc) {
-                                loadBookInfo(webBook, searchBook.toBook())
+                    if (searchBook.name == name) {
+                        if ((AppConfig.changeSourceCheckAuthor && searchBook.author.contains(author))
+                            || !AppConfig.changeSourceCheckAuthor
+                        ) {
+                            if (searchBook.latestChapterTitle.isNullOrEmpty()) {
+                                if (AppConfig.changeSourceLoadInfo || AppConfig.changeSourceLoadToc) {
+                                    loadBookInfo(webBook, searchBook.toBook())
+                                } else {
+                                    searchFinish(searchBook)
+                                }
                             } else {
                                 searchFinish(searchBook)
                             }
-                        } else {
-                            searchFinish(searchBook)
                         }
                     }
                 }
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 76e0b81f6..42f85da7c 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
@@ -90,15 +90,21 @@ class BookSourceDebugActivity : VMBaseActivity<ActivitySourceDebugBinding, BookS
     }
 
     override fun onCompatCreateOptionsMenu(menu: Menu): Boolean {
-        menuInflater.inflate(R.menu.source_debug, menu)
+        menuInflater.inflate(R.menu.book_source_debug, menu)
         return super.onCompatCreateOptionsMenu(menu)
     }
 
     override fun onCompatOptionsItemSelected(item: MenuItem): Boolean {
         when (item.itemId) {
-            R.id.menu_scan -> {
-                qrCodeResult.launch(null)
-            }
+            R.id.menu_scan -> qrCodeResult.launch(null)
+            R.id.menu_search_src ->
+                TextDialog.show(supportFragmentManager, viewModel.searchSrc)
+            R.id.menu_book_src ->
+                TextDialog.show(supportFragmentManager, viewModel.bookSrc)
+            R.id.menu_toc_src ->
+                TextDialog.show(supportFragmentManager, viewModel.tocSrc)
+            R.id.menu_content_src ->
+                TextDialog.show(supportFragmentManager, viewModel.contentSrc)
             R.id.menu_help -> showHelp()
         }
         return super.onCompatOptionsItemSelected(item)
diff --git a/app/src/main/java/io/legado/app/ui/book/source/debug/BookSourceDebugModel.kt b/app/src/main/java/io/legado/app/ui/book/source/debug/BookSourceDebugModel.kt
index 3ce462f24..43e969e97 100644
--- a/app/src/main/java/io/legado/app/ui/book/source/debug/BookSourceDebugModel.kt
+++ b/app/src/main/java/io/legado/app/ui/book/source/debug/BookSourceDebugModel.kt
@@ -10,8 +10,11 @@ class BookSourceDebugModel(application: Application) : BaseViewModel(application
     Debug.Callback {
 
     private var webBook: WebBook? = null
-
-    private var callback: ((Int, String)-> Unit)? = null
+    private var callback: ((Int, String) -> Unit)? = null
+    var searchSrc: String? = null
+    var bookSrc: String? = null
+    var tocSrc: String? = null
+    var contentSrc: String? = null
 
     fun init(sourceUrl: String?) {
         sourceUrl?.let {
@@ -39,7 +42,13 @@ class BookSourceDebugModel(application: Application) : BaseViewModel(application
     }
 
     override fun printLog(state: Int, msg: String) {
-        callback?.invoke(state, msg)
+        when (state) {
+            10 -> searchSrc = msg
+            20 -> bookSrc = msg
+            30 -> tocSrc = msg
+            40 -> contentSrc = msg
+            else -> callback?.invoke(state, msg)
+        }
     }
 
     override fun onCleared() {
diff --git a/app/src/main/res/layout/item_change_source.xml b/app/src/main/res/layout/item_change_source.xml
index db773e7fc..fa04abeda 100644
--- a/app/src/main/res/layout/item_change_source.xml
+++ b/app/src/main/res/layout/item_change_source.xml
@@ -1,10 +1,14 @@
 <?xml version="1.0" encoding="utf-8"?>
 <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:background="?android:attr/selectableItemBackground"
-    android:padding="10dp">
+    android:paddingLeft="10dp"
+    android:paddingTop="10dp"
+    android:paddingBottom="10dp"
+    tools:ignore="RtlHardcoded,RtlSymmetry">
 
     <TextView
         android:id="@+id/tv_origin"
@@ -14,6 +18,16 @@
         android:textColor="@color/primaryText"
         app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toLeftOf="@+id/tv_author" />
+
+    <TextView
+        android:id="@+id/tv_author"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:singleLine="true"
+        android:textColor="@color/secondaryText"
+        android:maxWidth="160dp"
+        app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintRight_toLeftOf="@+id/iv_checked" />
 
     <TextView
@@ -29,9 +43,9 @@
 
     <androidx.appcompat.widget.AppCompatImageView
         android:id="@+id/iv_checked"
-        android:layout_width="24dp"
-        android:layout_height="24dp"
-        android:layout_margin="8dp"
+        android:layout_width="40dp"
+        android:layout_height="40dp"
+        android:padding="8dp"
         android:src="@drawable/ic_check"
         android:visibility="invisible"
         app:tint="@color/primaryText"
diff --git a/app/src/main/res/menu/book_cache.xml b/app/src/main/res/menu/book_cache.xml
index a0dca539f..42c873c82 100644
--- a/app/src/main/res/menu/book_cache.xml
+++ b/app/src/main/res/menu/book_cache.xml
@@ -37,6 +37,11 @@
         android:title="@string/export_folder"
         app:showAsAction="never" />
 
+    <item
+        android:id="@+id/menu_export_type"
+        android:title="@string/export_type"
+        app:showAsAction="never" />
+
     <item
         android:id="@+id/menu_export_charset"
         android:title="@string/export_charset"
diff --git a/app/src/main/res/menu/book_source_debug.xml b/app/src/main/res/menu/book_source_debug.xml
new file mode 100644
index 000000000..bcf7b3856
--- /dev/null
+++ b/app/src/main/res/menu/book_source_debug.xml
@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    tools:ignore="AlwaysShowAction">
+
+    <item
+        android:id="@+id/menu_scan"
+        android:icon="@drawable/ic_scan"
+        android:title="@string/scan_qr_code"
+        app:showAsAction="always" />
+
+    <item
+        android:id="@+id/menu_search_src"
+        android:title="搜索源码"
+        app:showAsAction="never" />
+
+    <item
+        android:id="@+id/menu_book_src"
+        android:title="书籍源码"
+        app:showAsAction="never" />
+
+    <item
+        android:id="@+id/menu_toc_src"
+        android:title="目录源码"
+        app:showAsAction="never" />
+
+    <item
+        android:id="@+id/menu_content_src"
+        android:title="正文源码"
+        app:showAsAction="never" />
+
+    <item
+        android:id="@+id/menu_help"
+        android:title="@string/help"
+        app:showAsAction="never" />
+
+</menu>
\ No newline at end of file
diff --git a/app/src/main/res/menu/change_source.xml b/app/src/main/res/menu/change_source.xml
index ecee5ca02..347877bde 100644
--- a/app/src/main/res/menu/change_source.xml
+++ b/app/src/main/res/menu/change_source.xml
@@ -23,6 +23,12 @@
         android:title="@string/book_source_manage"
         app:showAsAction="never" />
 
+    <item
+        android:id="@+id/menu_check_author"
+        android:title="@string/checkAuthor"
+        android:checkable="true"
+        app:showAsAction="never" />
+
     <item
         android:id="@+id/menu_load_info"
         android:title="@string/load_info"
diff --git a/app/src/main/res/menu/source_debug.xml b/app/src/main/res/menu/source_debug.xml
deleted file mode 100644
index 706cb362a..000000000
--- a/app/src/main/res/menu/source_debug.xml
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
-    tools:ignore="AlwaysShowAction">
-
-    <item
-        android:id="@+id/menu_scan"
-        android:icon="@drawable/ic_scan"
-        android:title="@string/scan_qr_code"
-        app:showAsAction="always" />
-
-    <item
-        android:id="@+id/menu_help"
-        android:icon="@drawable/ic_help"
-        android:title="@string/help"
-        app:showAsAction="always" />
-
-</menu>
\ No newline at end of file
diff --git a/app/src/main/res/values-zh-rHK/strings.xml b/app/src/main/res/values-zh-rHK/strings.xml
index 59a6ea723..1df7c6415 100644
--- a/app/src/main/res/values-zh-rHK/strings.xml
+++ b/app/src/main/res/values-zh-rHK/strings.xml
@@ -811,5 +811,7 @@
     <string name="use_zh_layout">使用自定义中文分行</string>
     <string name="image_style">图片样式</string>
     <string name="system_tts">系统TTS</string>
+    <string name="export_type">导出格式</string>
+    <string name="checkAuthor">校验作者</string>
 
 </resources>
diff --git a/app/src/main/res/values-zh-rTW/strings.xml b/app/src/main/res/values-zh-rTW/strings.xml
index 6ea300b43..2920fcc23 100644
--- a/app/src/main/res/values-zh-rTW/strings.xml
+++ b/app/src/main/res/values-zh-rTW/strings.xml
@@ -813,5 +813,7 @@
     <string name="debug">调试</string>
     <string name="image_style">图片样式</string>
     <string name="system_tts">系统TTS</string>
+    <string name="export_type">导出格式</string>
+    <string name="checkAuthor">校验作者</string>
 
 </resources>
diff --git a/app/src/main/res/values-zh/strings.xml b/app/src/main/res/values-zh/strings.xml
index 910a08008..f64b848d7 100644
--- a/app/src/main/res/values-zh/strings.xml
+++ b/app/src/main/res/values-zh/strings.xml
@@ -815,5 +815,7 @@
     <string name="use_zh_layout">使用自定义中文分行</string>
     <string name="image_style">图片样式</string>
     <string name="system_tts">系统TTS</string>
+    <string name="export_type">导出格式</string>
+    <string name="checkAuthor">校验作者</string>
 
 </resources>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 57077eafb..4cb2fa208 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -818,5 +818,7 @@
     <string name="use_zh_layout">使用自定义中文分行</string>
     <string name="image_style">Image style</string>
     <string name="system_tts">System TTS</string>
+    <string name="export_type">导出格式</string>
+    <string name="checkAuthor">校验作者</string>
 
 </resources>