diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 242d2710a..3b8e4dab2 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -39,7 +39,7 @@
         </activity>
         <activity android:name=".ui.main.MainActivity" />
         <activity
-            android:name=".ui.readbook.ReadBookActivity"
+            android:name=".ui.book.read.ReadBookActivity"
             android:configChanges="locale|keyboardHidden|orientation|screenSize|smallestScreenSize|screenLayout"
             android:launchMode="singleTask" />
         <activity
@@ -47,22 +47,22 @@
             android:theme="@style/Activity.Permission" />
         <activity android:name=".ui.config.ConfigActivity" />
         <activity
-            android:name=".ui.sourceedit.SourceEditActivity"
+            android:name=".ui.book.source.edit.SourceEditActivity"
             android:configChanges="locale|keyboardHidden|orientation|screenSize|smallestScreenSize|screenLayout"
             android:launchMode="singleTask"
             android:windowSoftInputMode="adjustResize|stateHidden" />
         <activity android:name=".ui.replacerule.ReplaceRuleActivity" />
-        <activity android:name=".ui.search.SearchActivity" />
+        <activity android:name="io.legado.app.ui.book.search.SearchActivity" />
         <activity android:name=".ui.about.AboutActivity" />
         <activity android:name=".ui.bookshelf.BookshelfActivity" />
         <activity android:name=".ui.qrcode.QrCodeActivity" />
         <activity android:name=".ui.about.DonateActivity" />
-        <activity android:name=".ui.bookinfo.BookInfoActivity" />
-        <activity android:name=".ui.bookinfo.edit.BookInfoEditActivity" />
-        <activity android:name=".ui.sourcedebug.SourceDebugActivity" />
-        <activity android:name=".ui.booksource.BookSourceActivity" />
+        <activity android:name=".ui.book.info.BookInfoActivity" />
+        <activity android:name="io.legado.app.ui.book.info.edit.BookInfoEditActivity" />
+        <activity android:name=".ui.book.source.debug.SourceDebugActivity" />
+        <activity android:name=".ui.book.source.manage.BookSourceActivity" />
         <activity android:name=".ui.chapterlist.ChapterListActivity" />
-        <activity android:name=".ui.readrss.ReadRssActivity" />
+        <activity android:name=".ui.rss.read.ReadRssActivity" />
         <activity android:name=".ui.audio.AudioPlayActivity" />
         <activity android:name=".ui.explore.ExploreShowActivity" />
 
diff --git a/app/src/main/java/io/legado/app/receiver/MediaButtonReceiver.kt b/app/src/main/java/io/legado/app/receiver/MediaButtonReceiver.kt
index 99d838494..f1c3b5bf6 100644
--- a/app/src/main/java/io/legado/app/receiver/MediaButtonReceiver.kt
+++ b/app/src/main/java/io/legado/app/receiver/MediaButtonReceiver.kt
@@ -6,7 +6,7 @@ import android.content.Intent
 import android.view.KeyEvent
 import io.legado.app.constant.Bus
 import io.legado.app.help.ActivityHelp
-import io.legado.app.ui.readbook.ReadBookActivity
+import io.legado.app.ui.book.read.ReadBookActivity
 import io.legado.app.utils.postEvent
 
 
diff --git a/app/src/main/java/io/legado/app/service/BaseReadAloudService.kt b/app/src/main/java/io/legado/app/service/BaseReadAloudService.kt
index e3cee17be..ad204f420 100644
--- a/app/src/main/java/io/legado/app/service/BaseReadAloudService.kt
+++ b/app/src/main/java/io/legado/app/service/BaseReadAloudService.kt
@@ -20,7 +20,7 @@ import io.legado.app.constant.Status
 import io.legado.app.help.IntentDataHelp
 import io.legado.app.help.MediaHelp
 import io.legado.app.receiver.MediaButtonReceiver
-import io.legado.app.ui.readbook.ReadBookActivity
+import io.legado.app.ui.book.read.ReadBookActivity
 import io.legado.app.ui.widget.page.TextChapter
 import io.legado.app.utils.getPrefBoolean
 import io.legado.app.utils.postEvent
diff --git a/app/src/main/java/io/legado/app/ui/bookinfo/BookInfoActivity.kt b/app/src/main/java/io/legado/app/ui/book/info/BookInfoActivity.kt
similarity index 97%
rename from app/src/main/java/io/legado/app/ui/bookinfo/BookInfoActivity.kt
rename to app/src/main/java/io/legado/app/ui/book/info/BookInfoActivity.kt
index 3334adfb4..b650584c6 100644
--- a/app/src/main/java/io/legado/app/ui/bookinfo/BookInfoActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/info/BookInfoActivity.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.bookinfo
+package io.legado.app.ui.book.info
 
 import android.os.Bundle
 import android.view.Menu
@@ -12,10 +12,10 @@ import io.legado.app.data.entities.Book
 import io.legado.app.data.entities.BookChapter
 import io.legado.app.help.ImageLoader
 import io.legado.app.lib.theme.ATH
-import io.legado.app.ui.bookinfo.edit.BookInfoEditActivity
+import io.legado.app.ui.book.info.edit.BookInfoEditActivity
+import io.legado.app.ui.book.read.ReadBookActivity
+import io.legado.app.ui.book.source.edit.SourceEditActivity
 import io.legado.app.ui.changesource.ChangeSourceDialog
-import io.legado.app.ui.readbook.ReadBookActivity
-import io.legado.app.ui.sourceedit.SourceEditActivity
 import io.legado.app.utils.getCompatDrawable
 import io.legado.app.utils.getViewModel
 import io.legado.app.utils.gone
diff --git a/app/src/main/java/io/legado/app/ui/bookinfo/BookInfoViewModel.kt b/app/src/main/java/io/legado/app/ui/book/info/BookInfoViewModel.kt
similarity index 99%
rename from app/src/main/java/io/legado/app/ui/bookinfo/BookInfoViewModel.kt
rename to app/src/main/java/io/legado/app/ui/book/info/BookInfoViewModel.kt
index 5b99563e8..cb54f4df1 100644
--- a/app/src/main/java/io/legado/app/ui/bookinfo/BookInfoViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/book/info/BookInfoViewModel.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.bookinfo
+package io.legado.app.ui.book.info
 
 import android.app.Application
 import android.content.Intent
diff --git a/app/src/main/java/io/legado/app/ui/bookinfo/ChapterListAdapter.kt b/app/src/main/java/io/legado/app/ui/book/info/ChapterListAdapter.kt
similarity index 97%
rename from app/src/main/java/io/legado/app/ui/bookinfo/ChapterListAdapter.kt
rename to app/src/main/java/io/legado/app/ui/book/info/ChapterListAdapter.kt
index 3b2edf158..bfe98f4d8 100644
--- a/app/src/main/java/io/legado/app/ui/bookinfo/ChapterListAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/book/info/ChapterListAdapter.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.bookinfo
+package io.legado.app.ui.book.info
 
 import android.content.Context
 import io.legado.app.R
diff --git a/app/src/main/java/io/legado/app/ui/bookinfo/edit/BookInfoEditActivity.kt b/app/src/main/java/io/legado/app/ui/book/info/edit/BookInfoEditActivity.kt
similarity index 98%
rename from app/src/main/java/io/legado/app/ui/bookinfo/edit/BookInfoEditActivity.kt
rename to app/src/main/java/io/legado/app/ui/book/info/edit/BookInfoEditActivity.kt
index 6becac683..fcc4e7e24 100644
--- a/app/src/main/java/io/legado/app/ui/bookinfo/edit/BookInfoEditActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/info/edit/BookInfoEditActivity.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.bookinfo.edit
+package io.legado.app.ui.book.info.edit
 
 import android.os.Bundle
 import android.view.Menu
diff --git a/app/src/main/java/io/legado/app/ui/bookinfo/edit/BookInfoEditViewModel.kt b/app/src/main/java/io/legado/app/ui/book/info/edit/BookInfoEditViewModel.kt
similarity index 94%
rename from app/src/main/java/io/legado/app/ui/bookinfo/edit/BookInfoEditViewModel.kt
rename to app/src/main/java/io/legado/app/ui/book/info/edit/BookInfoEditViewModel.kt
index fb33a22e7..a947719cd 100644
--- a/app/src/main/java/io/legado/app/ui/bookinfo/edit/BookInfoEditViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/book/info/edit/BookInfoEditViewModel.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.bookinfo.edit
+package io.legado.app.ui.book.info.edit
 
 import android.app.Application
 import androidx.lifecycle.MutableLiveData
diff --git a/app/src/main/java/io/legado/app/ui/readbook/Help.kt b/app/src/main/java/io/legado/app/ui/book/read/Help.kt
similarity index 98%
rename from app/src/main/java/io/legado/app/ui/readbook/Help.kt
rename to app/src/main/java/io/legado/app/ui/book/read/Help.kt
index 72d65da5f..1ff72d7dc 100644
--- a/app/src/main/java/io/legado/app/ui/readbook/Help.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/Help.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.readbook
+package io.legado.app.ui.book.read
 
 import android.app.Activity
 import android.view.View
diff --git a/app/src/main/java/io/legado/app/ui/readbook/ReadBookActivity.kt b/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt
similarity index 98%
rename from app/src/main/java/io/legado/app/ui/readbook/ReadBookActivity.kt
rename to app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt
index 448f1cbe3..c61e8cac3 100644
--- a/app/src/main/java/io/legado/app/ui/readbook/ReadBookActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.readbook
+package io.legado.app.ui.book.read
 
 import android.app.Activity
 import android.content.Intent
@@ -27,13 +27,14 @@ import io.legado.app.lib.dialogs.noButton
 import io.legado.app.lib.dialogs.okButton
 import io.legado.app.receiver.TimeElectricityReceiver
 import io.legado.app.service.BaseReadAloudService
+import io.legado.app.ui.book.read.config.*
+import io.legado.app.ui.book.read.config.BgTextConfigDialog.Companion.BG_COLOR
+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.readbook.config.BgTextConfigDialog.Companion.BG_COLOR
-import io.legado.app.ui.readbook.config.BgTextConfigDialog.Companion.TEXT_COLOR
 import io.legado.app.ui.replacerule.ReplaceRuleActivity
-import io.legado.app.ui.sourceedit.SourceEditActivity
 import io.legado.app.ui.widget.page.ChapterProvider
 import io.legado.app.ui.widget.page.PageView
 import io.legado.app.ui.widget.page.TextChapter
diff --git a/app/src/main/java/io/legado/app/ui/readbook/ReadBookViewModel.kt b/app/src/main/java/io/legado/app/ui/book/read/ReadBookViewModel.kt
similarity index 99%
rename from app/src/main/java/io/legado/app/ui/readbook/ReadBookViewModel.kt
rename to app/src/main/java/io/legado/app/ui/book/read/ReadBookViewModel.kt
index 0dcdeef47..635deb97e 100644
--- a/app/src/main/java/io/legado/app/ui/readbook/ReadBookViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/ReadBookViewModel.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.readbook
+package io.legado.app.ui.book.read
 
 import android.app.Application
 import android.content.Intent
diff --git a/app/src/main/java/io/legado/app/ui/readbook/ReadMenu.kt b/app/src/main/java/io/legado/app/ui/book/read/ReadMenu.kt
similarity index 99%
rename from app/src/main/java/io/legado/app/ui/readbook/ReadMenu.kt
rename to app/src/main/java/io/legado/app/ui/book/read/ReadMenu.kt
index b0b79603e..af02fa16c 100644
--- a/app/src/main/java/io/legado/app/ui/readbook/ReadMenu.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/ReadMenu.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.readbook
+package io.legado.app.ui.book.read
 
 import android.content.Context
 import android.util.AttributeSet
diff --git a/app/src/main/java/io/legado/app/ui/readbook/config/BgTextConfigDialog.kt b/app/src/main/java/io/legado/app/ui/book/read/config/BgTextConfigDialog.kt
similarity index 98%
rename from app/src/main/java/io/legado/app/ui/readbook/config/BgTextConfigDialog.kt
rename to app/src/main/java/io/legado/app/ui/book/read/config/BgTextConfigDialog.kt
index 98abc2dd2..d8112b538 100644
--- a/app/src/main/java/io/legado/app/ui/readbook/config/BgTextConfigDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/config/BgTextConfigDialog.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.readbook.config
+package io.legado.app.ui.book.read.config
 
 import android.annotation.SuppressLint
 import android.app.Activity.RESULT_OK
@@ -24,7 +24,7 @@ import io.legado.app.help.ImageLoader
 import io.legado.app.help.ReadBookConfig
 import io.legado.app.help.permission.Permissions
 import io.legado.app.help.permission.PermissionsCompat
-import io.legado.app.ui.readbook.Help
+import io.legado.app.ui.book.read.Help
 import io.legado.app.utils.FileUtils
 import io.legado.app.utils.getCompatColor
 import io.legado.app.utils.postEvent
diff --git a/app/src/main/java/io/legado/app/ui/readbook/config/MoreConfigDialog.kt b/app/src/main/java/io/legado/app/ui/book/read/config/MoreConfigDialog.kt
similarity index 94%
rename from app/src/main/java/io/legado/app/ui/readbook/config/MoreConfigDialog.kt
rename to app/src/main/java/io/legado/app/ui/book/read/config/MoreConfigDialog.kt
index ba7aca78f..51470b2ee 100644
--- a/app/src/main/java/io/legado/app/ui/readbook/config/MoreConfigDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/config/MoreConfigDialog.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.readbook.config
+package io.legado.app.ui.book.read.config
 
 import android.content.SharedPreferences
 import android.os.Bundle
@@ -13,7 +13,7 @@ import androidx.preference.PreferenceFragmentCompat
 import io.legado.app.R
 import io.legado.app.constant.Bus
 import io.legado.app.lib.theme.ATH
-import io.legado.app.ui.readbook.Help
+import io.legado.app.ui.book.read.Help
 import io.legado.app.utils.postEvent
 
 class MoreConfigDialog : DialogFragment() {
@@ -53,7 +53,8 @@ class MoreConfigDialog : DialogFragment() {
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         var preferenceFragment = childFragmentManager.findFragmentByTag(readPreferTag)
-        if (preferenceFragment == null) preferenceFragment = ReadPreferenceFragment()
+        if (preferenceFragment == null) preferenceFragment =
+            ReadPreferenceFragment()
         childFragmentManager.beginTransaction()
             .replace(view.id, preferenceFragment, readPreferTag)
             .commit()
diff --git a/app/src/main/java/io/legado/app/ui/readbook/config/PaddingConfigDialog.kt b/app/src/main/java/io/legado/app/ui/book/read/config/PaddingConfigDialog.kt
similarity index 98%
rename from app/src/main/java/io/legado/app/ui/readbook/config/PaddingConfigDialog.kt
rename to app/src/main/java/io/legado/app/ui/book/read/config/PaddingConfigDialog.kt
index 4d349b9cb..3c172cea2 100644
--- a/app/src/main/java/io/legado/app/ui/readbook/config/PaddingConfigDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/config/PaddingConfigDialog.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.readbook.config
+package io.legado.app.ui.book.read.config
 
 import android.os.Bundle
 import android.util.DisplayMetrics
@@ -10,7 +10,7 @@ import androidx.fragment.app.DialogFragment
 import io.legado.app.R
 import io.legado.app.constant.Bus
 import io.legado.app.help.ReadBookConfig
-import io.legado.app.ui.readbook.Help
+import io.legado.app.ui.book.read.Help
 import io.legado.app.utils.postEvent
 import kotlinx.android.synthetic.main.dialog_read_padding.*
 import org.jetbrains.anko.sdk27.listeners.onClick
diff --git a/app/src/main/java/io/legado/app/ui/readbook/config/ReadAloudConfigDialog.kt b/app/src/main/java/io/legado/app/ui/book/read/config/ReadAloudConfigDialog.kt
similarity index 96%
rename from app/src/main/java/io/legado/app/ui/readbook/config/ReadAloudConfigDialog.kt
rename to app/src/main/java/io/legado/app/ui/book/read/config/ReadAloudConfigDialog.kt
index f0bfd6231..699037325 100644
--- a/app/src/main/java/io/legado/app/ui/readbook/config/ReadAloudConfigDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/config/ReadAloudConfigDialog.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.readbook.config
+package io.legado.app.ui.book.read.config
 
 import android.content.SharedPreferences
 import android.os.Bundle
@@ -16,7 +16,7 @@ import io.legado.app.constant.Bus
 import io.legado.app.help.ReadAloud
 import io.legado.app.lib.theme.ATH
 import io.legado.app.service.BaseReadAloudService
-import io.legado.app.ui.readbook.Help
+import io.legado.app.ui.book.read.Help
 import io.legado.app.utils.getPrefString
 import io.legado.app.utils.postEvent
 
@@ -51,7 +51,8 @@ class ReadAloudConfigDialog : DialogFragment() {
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         var preferenceFragment = childFragmentManager.findFragmentByTag(readAloudPreferTag)
-        if (preferenceFragment == null) preferenceFragment = ReadAloudPreferenceFragment()
+        if (preferenceFragment == null) preferenceFragment =
+            ReadAloudPreferenceFragment()
         childFragmentManager.beginTransaction()
             .replace(view.id, preferenceFragment, readAloudPreferTag)
             .commit()
diff --git a/app/src/main/java/io/legado/app/ui/readbook/config/ReadAloudDialog.kt b/app/src/main/java/io/legado/app/ui/book/read/config/ReadAloudDialog.kt
similarity index 98%
rename from app/src/main/java/io/legado/app/ui/readbook/config/ReadAloudDialog.kt
rename to app/src/main/java/io/legado/app/ui/book/read/config/ReadAloudDialog.kt
index dc5d26350..e9f524dcb 100644
--- a/app/src/main/java/io/legado/app/ui/readbook/config/ReadAloudDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/config/ReadAloudDialog.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.readbook.config
+package io.legado.app.ui.book.read.config
 
 import android.os.Bundle
 import android.util.DisplayMetrics
@@ -13,7 +13,7 @@ import io.legado.app.constant.Bus
 import io.legado.app.constant.Status
 import io.legado.app.help.ReadAloud
 import io.legado.app.service.BaseReadAloudService
-import io.legado.app.ui.readbook.Help
+import io.legado.app.ui.book.read.Help
 import io.legado.app.utils.*
 import kotlinx.android.synthetic.main.dialog_read_aloud.*
 import org.jetbrains.anko.sdk27.listeners.onClick
diff --git a/app/src/main/java/io/legado/app/ui/readbook/config/ReadStyleDialog.kt b/app/src/main/java/io/legado/app/ui/book/read/config/ReadStyleDialog.kt
similarity index 98%
rename from app/src/main/java/io/legado/app/ui/readbook/config/ReadStyleDialog.kt
rename to app/src/main/java/io/legado/app/ui/book/read/config/ReadStyleDialog.kt
index a0080036c..42edae9a3 100644
--- a/app/src/main/java/io/legado/app/ui/readbook/config/ReadStyleDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/config/ReadStyleDialog.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.readbook.config
+package io.legado.app.ui.book.read.config
 
 import android.os.Bundle
 import android.util.DisplayMetrics
@@ -16,8 +16,8 @@ import io.legado.app.help.ReadBookConfig
 import io.legado.app.lib.dialogs.selector
 import io.legado.app.lib.theme.accentColor
 import io.legado.app.lib.theme.primaryColor
-import io.legado.app.ui.readbook.Help
-import io.legado.app.ui.readbook.ReadBookActivity
+import io.legado.app.ui.book.read.Help
+import io.legado.app.ui.book.read.ReadBookActivity
 import io.legado.app.ui.widget.font.FontSelectDialog
 import io.legado.app.utils.*
 import kotlinx.android.synthetic.main.activity_read_book.*
diff --git a/app/src/main/java/io/legado/app/ui/search/DiffCallBack.kt b/app/src/main/java/io/legado/app/ui/book/search/DiffCallBack.kt
similarity index 97%
rename from app/src/main/java/io/legado/app/ui/search/DiffCallBack.kt
rename to app/src/main/java/io/legado/app/ui/book/search/DiffCallBack.kt
index b974cb059..0de21ee19 100644
--- a/app/src/main/java/io/legado/app/ui/search/DiffCallBack.kt
+++ b/app/src/main/java/io/legado/app/ui/book/search/DiffCallBack.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.search
+package io.legado.app.ui.book.search
 
 import androidx.recyclerview.widget.DiffUtil
 import io.legado.app.data.entities.SearchShow
diff --git a/app/src/main/java/io/legado/app/ui/search/SearchActivity.kt b/app/src/main/java/io/legado/app/ui/book/search/SearchActivity.kt
similarity index 97%
rename from app/src/main/java/io/legado/app/ui/search/SearchActivity.kt
rename to app/src/main/java/io/legado/app/ui/book/search/SearchActivity.kt
index 7d206cb43..64d5d76f8 100644
--- a/app/src/main/java/io/legado/app/ui/search/SearchActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/search/SearchActivity.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.search
+package io.legado.app.ui.book.search
 
 import android.os.Bundle
 import androidx.appcompat.widget.SearchView
@@ -13,7 +13,7 @@ import io.legado.app.base.VMBaseActivity
 import io.legado.app.data.entities.SearchShow
 import io.legado.app.lib.theme.ATH
 import io.legado.app.lib.theme.primaryTextColor
-import io.legado.app.ui.bookinfo.BookInfoActivity
+import io.legado.app.ui.book.info.BookInfoActivity
 import io.legado.app.utils.getViewModel
 import io.legado.app.utils.invisible
 import io.legado.app.utils.visible
diff --git a/app/src/main/java/io/legado/app/ui/search/SearchAdapter.kt b/app/src/main/java/io/legado/app/ui/book/search/SearchAdapter.kt
similarity index 99%
rename from app/src/main/java/io/legado/app/ui/search/SearchAdapter.kt
rename to app/src/main/java/io/legado/app/ui/book/search/SearchAdapter.kt
index 0b40007ff..a2cb9ad08 100644
--- a/app/src/main/java/io/legado/app/ui/search/SearchAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/book/search/SearchAdapter.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.search
+package io.legado.app.ui.book.search
 
 import android.view.LayoutInflater
 import android.view.View
diff --git a/app/src/main/java/io/legado/app/ui/search/SearchViewModel.kt b/app/src/main/java/io/legado/app/ui/book/search/SearchViewModel.kt
similarity index 98%
rename from app/src/main/java/io/legado/app/ui/search/SearchViewModel.kt
rename to app/src/main/java/io/legado/app/ui/book/search/SearchViewModel.kt
index 0fbb8c772..f8550229f 100644
--- a/app/src/main/java/io/legado/app/ui/search/SearchViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/book/search/SearchViewModel.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.search
+package io.legado.app.ui.book.search
 
 import android.app.Application
 import io.legado.app.App
diff --git a/app/src/main/java/io/legado/app/ui/sourcedebug/SourceDebugActivity.kt b/app/src/main/java/io/legado/app/ui/book/source/debug/SourceDebugActivity.kt
similarity index 96%
rename from app/src/main/java/io/legado/app/ui/sourcedebug/SourceDebugActivity.kt
rename to app/src/main/java/io/legado/app/ui/book/source/debug/SourceDebugActivity.kt
index 2290654e4..de2ef20e7 100644
--- a/app/src/main/java/io/legado/app/ui/sourcedebug/SourceDebugActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/source/debug/SourceDebugActivity.kt
@@ -1,10 +1,9 @@
-package io.legado.app.ui.sourcedebug
+package io.legado.app.ui.book.source.debug
 
 import android.content.Intent
 import android.os.Bundle
 import android.view.Menu
 import android.view.MenuItem
-import android.view.View
 import androidx.appcompat.widget.SearchView
 import androidx.recyclerview.widget.LinearLayoutManager
 import io.legado.app.R
@@ -15,7 +14,6 @@ import io.legado.app.ui.qrcode.QrCodeActivity
 import io.legado.app.utils.getViewModel
 import kotlinx.android.synthetic.main.activity_source_debug.*
 import kotlinx.android.synthetic.main.view_search.*
-import kotlinx.android.synthetic.main.view_title_bar.*
 import kotlinx.coroutines.launch
 import org.jetbrains.anko.startActivityForResult
 import org.jetbrains.anko.toast
diff --git a/app/src/main/java/io/legado/app/ui/sourcedebug/SourceDebugAdapter.kt b/app/src/main/java/io/legado/app/ui/book/source/debug/SourceDebugAdapter.kt
similarity index 92%
rename from app/src/main/java/io/legado/app/ui/sourcedebug/SourceDebugAdapter.kt
rename to app/src/main/java/io/legado/app/ui/book/source/debug/SourceDebugAdapter.kt
index b8b821ea1..0c057fda0 100644
--- a/app/src/main/java/io/legado/app/ui/sourcedebug/SourceDebugAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/book/source/debug/SourceDebugAdapter.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.sourcedebug
+package io.legado.app.ui.book.source.debug
 
 import android.content.Context
 import io.legado.app.R
diff --git a/app/src/main/java/io/legado/app/ui/sourcedebug/SourceDebugModel.kt b/app/src/main/java/io/legado/app/ui/book/source/debug/SourceDebugModel.kt
similarity index 96%
rename from app/src/main/java/io/legado/app/ui/sourcedebug/SourceDebugModel.kt
rename to app/src/main/java/io/legado/app/ui/book/source/debug/SourceDebugModel.kt
index 6873a30cb..a17565820 100644
--- a/app/src/main/java/io/legado/app/ui/sourcedebug/SourceDebugModel.kt
+++ b/app/src/main/java/io/legado/app/ui/book/source/debug/SourceDebugModel.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.sourcedebug
+package io.legado.app.ui.book.source.debug
 
 import android.app.Application
 import io.legado.app.App
diff --git a/app/src/main/java/io/legado/app/ui/sourceedit/SourceEditActivity.kt b/app/src/main/java/io/legado/app/ui/book/source/edit/SourceEditActivity.kt
similarity index 61%
rename from app/src/main/java/io/legado/app/ui/sourceedit/SourceEditActivity.kt
rename to app/src/main/java/io/legado/app/ui/book/source/edit/SourceEditActivity.kt
index 2bea174be..faaf38ff6 100644
--- a/app/src/main/java/io/legado/app/ui/sourceedit/SourceEditActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/source/edit/SourceEditActivity.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.sourceedit
+package io.legado.app.ui.book.source.edit
 
 import android.app.Activity
 import android.content.ClipData
@@ -20,7 +20,7 @@ import io.legado.app.base.VMBaseActivity
 import io.legado.app.data.entities.BookSource
 import io.legado.app.data.entities.rule.*
 import io.legado.app.lib.theme.ATH
-import io.legado.app.ui.sourcedebug.SourceDebugActivity
+import io.legado.app.ui.book.source.debug.SourceDebugActivity
 import io.legado.app.ui.widget.KeyboardToolPop
 import io.legado.app.utils.GSON
 import io.legado.app.utils.getViewModel
@@ -147,67 +147,243 @@ class SourceEditActivity :
         with(bookSource) {
             sourceEntities.clear()
             sourceEntities
-                .add(EditEntity("bookSourceUrl", this?.bookSourceUrl, R.string.book_source_url))
+                .add(
+                    EditEntity(
+                        "bookSourceUrl",
+                        this?.bookSourceUrl,
+                        R.string.book_source_url
+                    )
+                )
             sourceEntities
-                .add(EditEntity("bookSourceName", this?.bookSourceName, R.string.book_source_name))
+                .add(
+                    EditEntity(
+                        "bookSourceName",
+                        this?.bookSourceName,
+                        R.string.book_source_name
+                    )
+                )
             sourceEntities.add(
-                EditEntity("bookSourceGroup", this?.bookSourceGroup, R.string.book_source_group)
+                EditEntity(
+                    "bookSourceGroup",
+                    this?.bookSourceGroup,
+                    R.string.book_source_group
+                )
             )
             sourceEntities
-                .add(EditEntity("loginUrl", this?.loginUrl, R.string.book_source_login_url))
+                .add(
+                    EditEntity(
+                        "loginUrl",
+                        this?.loginUrl,
+                        R.string.book_source_login_url
+                    )
+                )
             sourceEntities
-                .add(EditEntity("bookUrlPattern", this?.bookUrlPattern, R.string.book_url_pattern))
-            sourceEntities.add(EditEntity("header", this?.header, R.string.source_http_header))
+                .add(
+                    EditEntity(
+                        "bookUrlPattern",
+                        this?.bookUrlPattern,
+                        R.string.book_url_pattern
+                    )
+                )
+            sourceEntities.add(
+                EditEntity(
+                    "header",
+                    this?.header,
+                    R.string.source_http_header
+                )
+            )
         }
         //搜索
         with(bookSource?.getSearchRule()) {
             searchEntities.clear()
             searchEntities
-                .add(EditEntity("searchUrl", bookSource?.searchUrl, R.string.rule_search_url))
-            searchEntities.add(EditEntity("bookList", this?.bookList, R.string.rule_book_list))
-            searchEntities.add(EditEntity("name", this?.name, R.string.rule_book_name))
-            searchEntities.add(EditEntity("author", this?.author, R.string.rule_book_author))
-            searchEntities.add(EditEntity("kind", this?.kind, R.string.rule_book_kind))
-            searchEntities.add(EditEntity("wordCount", this?.wordCount, R.string.rule_word_count))
+                .add(
+                    EditEntity(
+                        "searchUrl",
+                        bookSource?.searchUrl,
+                        R.string.rule_search_url
+                    )
+                )
+            searchEntities.add(
+                EditEntity(
+                    "bookList",
+                    this?.bookList,
+                    R.string.rule_book_list
+                )
+            )
+            searchEntities.add(
+                EditEntity(
+                    "name",
+                    this?.name,
+                    R.string.rule_book_name
+                )
+            )
+            searchEntities.add(
+                EditEntity(
+                    "author",
+                    this?.author,
+                    R.string.rule_book_author
+                )
+            )
+            searchEntities.add(
+                EditEntity(
+                    "kind",
+                    this?.kind,
+                    R.string.rule_book_kind
+                )
+            )
+            searchEntities.add(
+                EditEntity(
+                    "wordCount",
+                    this?.wordCount,
+                    R.string.rule_word_count
+                )
+            )
             searchEntities
-                .add(EditEntity("lastChapter", this?.lastChapter, R.string.rule_last_chapter))
-            searchEntities.add(EditEntity("intro", this?.intro, R.string.rule_book_intro))
-            searchEntities.add(EditEntity("coverUrl", this?.coverUrl, R.string.rule_cover_url))
-            searchEntities.add(EditEntity("bookUrl", this?.bookUrl, R.string.rule_book_url))
+                .add(
+                    EditEntity(
+                        "lastChapter",
+                        this?.lastChapter,
+                        R.string.rule_last_chapter
+                    )
+                )
+            searchEntities.add(
+                EditEntity(
+                    "intro",
+                    this?.intro,
+                    R.string.rule_book_intro
+                )
+            )
+            searchEntities.add(
+                EditEntity(
+                    "coverUrl",
+                    this?.coverUrl,
+                    R.string.rule_cover_url
+                )
+            )
+            searchEntities.add(
+                EditEntity(
+                    "bookUrl",
+                    this?.bookUrl,
+                    R.string.rule_book_url
+                )
+            )
         }
         //详情页
         with(bookSource?.getBookInfoRule()) {
             infoEntities.clear()
-            infoEntities.add(EditEntity("init", this?.init, R.string.rule_book_info_init))
-            infoEntities.add(EditEntity("name", this?.name, R.string.rule_book_name))
-            infoEntities.add(EditEntity("author", this?.author, R.string.rule_book_author))
-            infoEntities.add(EditEntity("coverUrl", this?.coverUrl, R.string.rule_cover_url))
-            infoEntities.add(EditEntity("intro", this?.intro, R.string.rule_book_intro))
-            infoEntities.add(EditEntity("kind", this?.kind, R.string.rule_book_kind))
-            infoEntities.add(EditEntity("wordCount", this?.wordCount, R.string.rule_word_count))
             infoEntities.add(
-                EditEntity("lastChapter", this?.lastChapter, R.string.rule_last_chapter)
+                EditEntity(
+                    "init",
+                    this?.init,
+                    R.string.rule_book_info_init
+                )
+            )
+            infoEntities.add(
+                EditEntity(
+                    "name",
+                    this?.name,
+                    R.string.rule_book_name
+                )
+            )
+            infoEntities.add(
+                EditEntity(
+                    "author",
+                    this?.author,
+                    R.string.rule_book_author
+                )
+            )
+            infoEntities.add(
+                EditEntity(
+                    "coverUrl",
+                    this?.coverUrl,
+                    R.string.rule_cover_url
+                )
+            )
+            infoEntities.add(
+                EditEntity(
+                    "intro",
+                    this?.intro,
+                    R.string.rule_book_intro
+                )
+            )
+            infoEntities.add(
+                EditEntity(
+                    "kind",
+                    this?.kind,
+                    R.string.rule_book_kind
+                )
+            )
+            infoEntities.add(
+                EditEntity(
+                    "wordCount",
+                    this?.wordCount,
+                    R.string.rule_word_count
+                )
+            )
+            infoEntities.add(
+                EditEntity(
+                    "lastChapter",
+                    this?.lastChapter,
+                    R.string.rule_last_chapter
+                )
+            )
+            infoEntities.add(
+                EditEntity(
+                    "tocUrl",
+                    this?.tocUrl,
+                    R.string.rule_toc_url
+                )
             )
-            infoEntities.add(EditEntity("tocUrl", this?.tocUrl, R.string.rule_toc_url))
         }
         //目录页
         with(bookSource?.getTocRule()) {
             tocEntities.clear()
             tocEntities.add(
-                EditEntity("chapterList", this?.chapterList, R.string.rule_chapter_list)
+                EditEntity(
+                    "chapterList",
+                    this?.chapterList,
+                    R.string.rule_chapter_list
+                )
+            )
+            tocEntities.add(
+                EditEntity(
+                    "chapterName",
+                    this?.chapterName,
+                    R.string.rule_chapter_name
+                )
             )
             tocEntities.add(
-                EditEntity("chapterName", this?.chapterName, R.string.rule_chapter_name)
+                EditEntity(
+                    "chapterUrl",
+                    this?.chapterUrl,
+                    R.string.rule_chapter_url
+                )
+            )
+            tocEntities.add(
+                EditEntity(
+                    "nextTocUrl",
+                    this?.nextTocUrl,
+                    R.string.rule_next_toc_url
+                )
             )
-            tocEntities.add(EditEntity("chapterUrl", this?.chapterUrl, R.string.rule_chapter_url))
-            tocEntities.add(EditEntity("nextTocUrl", this?.nextTocUrl, R.string.rule_next_toc_url))
         }
         //正文页
         with(bookSource?.getContentRule()) {
             contentEntities.clear()
-            contentEntities.add(EditEntity("content", this?.content, R.string.rule_book_content))
             contentEntities.add(
-                EditEntity("nextContentUrl", this?.nextContentUrl, R.string.rule_content_url_next)
+                EditEntity(
+                    "content",
+                    this?.content,
+                    R.string.rule_book_content
+                )
+            )
+            contentEntities.add(
+                EditEntity(
+                    "nextContentUrl",
+                    this?.nextContentUrl,
+                    R.string.rule_content_url_next
+                )
             )
         }
 
@@ -215,19 +391,75 @@ class SourceEditActivity :
         with(bookSource?.getExploreRule()) {
             findEntities.clear()
             findEntities.add(
-                EditEntity("exploreUrl", bookSource?.exploreUrl, R.string.rule_find_url)
-            )
-            findEntities.add(EditEntity("bookList", this?.bookList, R.string.rule_book_list))
-            findEntities.add(EditEntity("name", this?.name, R.string.rule_book_name))
-            findEntities.add(EditEntity("author", this?.author, R.string.rule_book_author))
-            findEntities.add(EditEntity("kind", this?.kind, R.string.rule_book_kind))
-            findEntities.add(EditEntity("wordCount", this?.wordCount, R.string.rule_word_count))
-            findEntities.add(EditEntity("intro", this?.intro, R.string.rule_book_intro))
+                EditEntity(
+                    "exploreUrl",
+                    bookSource?.exploreUrl,
+                    R.string.rule_find_url
+                )
+            )
+            findEntities.add(
+                EditEntity(
+                    "bookList",
+                    this?.bookList,
+                    R.string.rule_book_list
+                )
+            )
+            findEntities.add(
+                EditEntity(
+                    "name",
+                    this?.name,
+                    R.string.rule_book_name
+                )
+            )
+            findEntities.add(
+                EditEntity(
+                    "author",
+                    this?.author,
+                    R.string.rule_book_author
+                )
+            )
+            findEntities.add(
+                EditEntity(
+                    "kind",
+                    this?.kind,
+                    R.string.rule_book_kind
+                )
+            )
+            findEntities.add(
+                EditEntity(
+                    "wordCount",
+                    this?.wordCount,
+                    R.string.rule_word_count
+                )
+            )
+            findEntities.add(
+                EditEntity(
+                    "intro",
+                    this?.intro,
+                    R.string.rule_book_intro
+                )
+            )
+            findEntities.add(
+                EditEntity(
+                    "lastChapter",
+                    this?.lastChapter,
+                    R.string.rule_last_chapter
+                )
+            )
+            findEntities.add(
+                EditEntity(
+                    "coverUrl",
+                    this?.coverUrl,
+                    R.string.rule_cover_url
+                )
+            )
             findEntities.add(
-                EditEntity("lastChapter", this?.lastChapter, R.string.rule_last_chapter)
+                EditEntity(
+                    "bookUrl",
+                    this?.bookUrl,
+                    R.string.rule_book_url
+                )
             )
-            findEntities.add(EditEntity("coverUrl", this?.coverUrl, R.string.rule_cover_url))
-            findEntities.add(EditEntity("bookUrl", this?.bookUrl, R.string.rule_book_url))
         }
         setEditEntities(0)
     }
diff --git a/app/src/main/java/io/legado/app/ui/sourceedit/SourceEditAdapter.kt b/app/src/main/java/io/legado/app/ui/book/source/edit/SourceEditAdapter.kt
similarity index 92%
rename from app/src/main/java/io/legado/app/ui/sourceedit/SourceEditAdapter.kt
rename to app/src/main/java/io/legado/app/ui/book/source/edit/SourceEditAdapter.kt
index 87f977082..3ac5fc3d1 100644
--- a/app/src/main/java/io/legado/app/ui/sourceedit/SourceEditAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/book/source/edit/SourceEditAdapter.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.sourceedit
+package io.legado.app.ui.book.source.edit
 
 import android.text.Editable
 import android.text.TextWatcher
@@ -18,7 +18,11 @@ class SourceEditAdapter : RecyclerView.Adapter<SourceEditAdapter.MyViewHolder>()
         }
 
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): MyViewHolder {
-        return MyViewHolder(LayoutInflater.from(parent.context).inflate(R.layout.item_source_edit, parent, false))
+        return MyViewHolder(
+            LayoutInflater.from(
+                parent.context
+            ).inflate(R.layout.item_source_edit, parent, false)
+        )
     }
 
     override fun onBindViewHolder(holder: MyViewHolder, position: Int) {
diff --git a/app/src/main/java/io/legado/app/ui/sourceedit/SourceEditViewModel.kt b/app/src/main/java/io/legado/app/ui/book/source/edit/SourceEditViewModel.kt
similarity index 97%
rename from app/src/main/java/io/legado/app/ui/sourceedit/SourceEditViewModel.kt
rename to app/src/main/java/io/legado/app/ui/book/source/edit/SourceEditViewModel.kt
index ef8d75740..c3af29a6a 100644
--- a/app/src/main/java/io/legado/app/ui/sourceedit/SourceEditViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/book/source/edit/SourceEditViewModel.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.sourceedit
+package io.legado.app.ui.book.source.edit
 
 import android.app.Application
 import android.content.ClipboardManager
diff --git a/app/src/main/java/io/legado/app/ui/booksource/BookSourceActivity.kt b/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceActivity.kt
similarity index 96%
rename from app/src/main/java/io/legado/app/ui/booksource/BookSourceActivity.kt
rename to app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceActivity.kt
index 597cbeffa..573444123 100644
--- a/app/src/main/java/io/legado/app/ui/booksource/BookSourceActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceActivity.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.booksource
+package io.legado.app.ui.book.source.manage
 
 import android.content.Intent
 import android.os.Bundle
@@ -21,8 +21,8 @@ import io.legado.app.help.ItemTouchCallback
 import io.legado.app.help.storage.Restore
 import io.legado.app.lib.theme.ATH
 import io.legado.app.lib.theme.primaryTextColor
+import io.legado.app.ui.book.source.edit.SourceEditActivity
 import io.legado.app.ui.qrcode.QrCodeActivity
-import io.legado.app.ui.sourceedit.SourceEditActivity
 import io.legado.app.utils.getViewModel
 import io.legado.app.utils.splitNotBlank
 import kotlinx.android.synthetic.main.activity_book_source.*
@@ -121,7 +121,12 @@ class BookSourceActivity : VMBaseActivity<BookSourceViewModel>(R.layout.activity
         }
         bookSourceLiveDate?.observe(this, Observer {
             search_view.queryHint = getString(R.string.search_book_source_num, it.size)
-            val diffResult = DiffUtil.calculateDiff(DiffCallBack(adapter.getItems(), it))
+            val diffResult = DiffUtil.calculateDiff(
+                DiffCallBack(
+                    adapter.getItems(),
+                    it
+                )
+            )
             adapter.setItemsNoNotify(it)
             diffResult.dispatchUpdatesTo(adapter)
         })
diff --git a/app/src/main/java/io/legado/app/ui/booksource/BookSourceAdapter.kt b/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceAdapter.kt
similarity index 99%
rename from app/src/main/java/io/legado/app/ui/booksource/BookSourceAdapter.kt
rename to app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceAdapter.kt
index 8152ba18a..c7c432e16 100644
--- a/app/src/main/java/io/legado/app/ui/booksource/BookSourceAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceAdapter.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.booksource
+package io.legado.app.ui.book.source.manage
 
 import android.content.Context
 import android.view.Menu
diff --git a/app/src/main/java/io/legado/app/ui/booksource/BookSourceViewModel.kt b/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceViewModel.kt
similarity index 98%
rename from app/src/main/java/io/legado/app/ui/booksource/BookSourceViewModel.kt
rename to app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceViewModel.kt
index d2842a579..289b3a84a 100644
--- a/app/src/main/java/io/legado/app/ui/booksource/BookSourceViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceViewModel.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.booksource
+package io.legado.app.ui.book.source.manage
 
 import android.app.Application
 import android.text.TextUtils
diff --git a/app/src/main/java/io/legado/app/ui/booksource/DiffCallBack.kt b/app/src/main/java/io/legado/app/ui/book/source/manage/DiffCallBack.kt
similarity index 97%
rename from app/src/main/java/io/legado/app/ui/booksource/DiffCallBack.kt
rename to app/src/main/java/io/legado/app/ui/book/source/manage/DiffCallBack.kt
index 90036ba58..0e8d9bead 100644
--- a/app/src/main/java/io/legado/app/ui/booksource/DiffCallBack.kt
+++ b/app/src/main/java/io/legado/app/ui/book/source/manage/DiffCallBack.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.booksource
+package io.legado.app.ui.book.source.manage
 
 import androidx.recyclerview.widget.DiffUtil
 import io.legado.app.data.entities.BookSource
diff --git a/app/src/main/java/io/legado/app/ui/booksource/GroupManageDialog.kt b/app/src/main/java/io/legado/app/ui/book/source/manage/GroupManageDialog.kt
similarity index 99%
rename from app/src/main/java/io/legado/app/ui/booksource/GroupManageDialog.kt
rename to app/src/main/java/io/legado/app/ui/book/source/manage/GroupManageDialog.kt
index e5ed98578..bf44c56a5 100644
--- a/app/src/main/java/io/legado/app/ui/booksource/GroupManageDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/source/manage/GroupManageDialog.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.booksource
+package io.legado.app.ui.book.source.manage
 
 import android.annotation.SuppressLint
 import android.content.Context
diff --git a/app/src/main/java/io/legado/app/ui/explore/ExploreShowActivity.kt b/app/src/main/java/io/legado/app/ui/explore/ExploreShowActivity.kt
index 9dff24ede..1d2ba0b4e 100644
--- a/app/src/main/java/io/legado/app/ui/explore/ExploreShowActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/explore/ExploreShowActivity.kt
@@ -8,7 +8,7 @@ import androidx.recyclerview.widget.RecyclerView
 import io.legado.app.R
 import io.legado.app.base.VMBaseActivity
 import io.legado.app.data.entities.SearchBook
-import io.legado.app.ui.bookinfo.BookInfoActivity
+import io.legado.app.ui.book.info.BookInfoActivity
 import io.legado.app.utils.getViewModel
 import kotlinx.android.synthetic.main.activity_explore_show.*
 import org.jetbrains.anko.startActivity
diff --git a/app/src/main/java/io/legado/app/ui/main/bookshelf/BookshelfFragment.kt b/app/src/main/java/io/legado/app/ui/main/bookshelf/BookshelfFragment.kt
index 77a91e0a6..8e8a581a0 100644
--- a/app/src/main/java/io/legado/app/ui/main/bookshelf/BookshelfFragment.kt
+++ b/app/src/main/java/io/legado/app/ui/main/bookshelf/BookshelfFragment.kt
@@ -22,10 +22,10 @@ import io.legado.app.data.entities.BookGroup
 import io.legado.app.lib.dialogs.*
 import io.legado.app.lib.theme.ATH
 import io.legado.app.lib.theme.accentColor
-import io.legado.app.ui.bookinfo.BookInfoActivity
+import io.legado.app.ui.book.info.BookInfoActivity
+import io.legado.app.ui.book.read.ReadBookActivity
+import io.legado.app.ui.book.search.SearchActivity
 import io.legado.app.ui.bookshelf.BookshelfActivity
-import io.legado.app.ui.readbook.ReadBookActivity
-import io.legado.app.ui.search.SearchActivity
 import io.legado.app.utils.*
 import kotlinx.android.synthetic.main.dialog_edittext.view.*
 import kotlinx.android.synthetic.main.fragment_bookshelf.*
diff --git a/app/src/main/java/io/legado/app/ui/main/explore/ExploreFragment.kt b/app/src/main/java/io/legado/app/ui/main/explore/ExploreFragment.kt
index 5c7d78e72..888dbe4ac 100644
--- a/app/src/main/java/io/legado/app/ui/main/explore/ExploreFragment.kt
+++ b/app/src/main/java/io/legado/app/ui/main/explore/ExploreFragment.kt
@@ -10,8 +10,8 @@ import io.legado.app.R
 import io.legado.app.base.VMBaseFragment
 import io.legado.app.data.entities.BookSource
 import io.legado.app.lib.theme.ATH
+import io.legado.app.ui.book.source.edit.SourceEditActivity
 import io.legado.app.ui.explore.ExploreShowActivity
-import io.legado.app.ui.sourceedit.SourceEditActivity
 import io.legado.app.utils.getViewModel
 import io.legado.app.utils.startActivity
 import kotlinx.android.synthetic.main.fragment_find_book.*
diff --git a/app/src/main/java/io/legado/app/ui/main/my/MyFragment.kt b/app/src/main/java/io/legado/app/ui/main/my/MyFragment.kt
index 553b6fee7..333fd9689 100644
--- a/app/src/main/java/io/legado/app/ui/main/my/MyFragment.kt
+++ b/app/src/main/java/io/legado/app/ui/main/my/MyFragment.kt
@@ -13,7 +13,7 @@ import io.legado.app.base.BaseFragment
 import io.legado.app.lib.theme.ATH
 import io.legado.app.ui.about.AboutActivity
 import io.legado.app.ui.about.DonateActivity
-import io.legado.app.ui.booksource.BookSourceActivity
+import io.legado.app.ui.book.source.manage.BookSourceActivity
 import io.legado.app.ui.config.ConfigActivity
 import io.legado.app.ui.config.ConfigViewModel
 import io.legado.app.ui.replacerule.ReplaceRuleActivity
diff --git a/app/src/main/java/io/legado/app/ui/rss/article/RssArticlesActivity.kt b/app/src/main/java/io/legado/app/ui/rss/article/RssArticlesActivity.kt
new file mode 100644
index 000000000..a69c70fb5
--- /dev/null
+++ b/app/src/main/java/io/legado/app/ui/rss/article/RssArticlesActivity.kt
@@ -0,0 +1,3 @@
+package io.legado.app.ui.rss.article
+
+class RssArticlesActivity
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/ui/readrss/ReadRssActivity.kt b/app/src/main/java/io/legado/app/ui/rss/read/ReadRssActivity.kt
similarity index 86%
rename from app/src/main/java/io/legado/app/ui/readrss/ReadRssActivity.kt
rename to app/src/main/java/io/legado/app/ui/rss/read/ReadRssActivity.kt
index 32d14c9ce..5e7972c6d 100644
--- a/app/src/main/java/io/legado/app/ui/readrss/ReadRssActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/rss/read/ReadRssActivity.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.readrss
+package io.legado.app.ui.rss.read
 
 import android.os.Bundle
 import io.legado.app.R
diff --git a/app/src/main/java/io/legado/app/ui/rss/source/RssSourceActivity.kt b/app/src/main/java/io/legado/app/ui/rss/source/RssSourceActivity.kt
new file mode 100644
index 000000000..899e41398
--- /dev/null
+++ b/app/src/main/java/io/legado/app/ui/rss/source/RssSourceActivity.kt
@@ -0,0 +1,2 @@
+package io.legado.app.ui.rss.source
+
diff --git a/app/src/main/res/layout/activity_explore_show.xml b/app/src/main/res/layout/activity_explore_show.xml
index 8df05cb8c..9bfab0f58 100644
--- a/app/src/main/res/layout/activity_explore_show.xml
+++ b/app/src/main/res/layout/activity_explore_show.xml
@@ -4,7 +4,7 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context="io.legado.app.ui.search.SearchActivity">
+    tools:context=".ui.book.search.SearchActivity">
 
     <io.legado.app.ui.widget.TitleBar
         android:id="@+id/title_bar"
diff --git a/app/src/main/res/layout/activity_read_book.xml b/app/src/main/res/layout/activity_read_book.xml
index 6fb639eb6..f82b1e06c 100644
--- a/app/src/main/res/layout/activity_read_book.xml
+++ b/app/src/main/res/layout/activity_read_book.xml
@@ -16,7 +16,7 @@
         android:layout_height="match_parent" />
 
 
-    <io.legado.app.ui.readbook.ReadMenu
+    <io.legado.app.ui.book.read.ReadMenu
         android:id="@+id/read_menu"
             android:layout_width="match_parent"
         android:layout_height="match_parent"
diff --git a/app/src/main/res/layout/activity_search.xml b/app/src/main/res/layout/activity_search.xml
index b840cd032..3fd29e772 100644
--- a/app/src/main/res/layout/activity_search.xml
+++ b/app/src/main/res/layout/activity_search.xml
@@ -5,7 +5,7 @@
         xmlns:app="http://schemas.android.com/apk/res-auto"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        tools:context="io.legado.app.ui.search.SearchActivity">
+    tools:context=".ui.book.search.SearchActivity">
 
     <io.legado.app.ui.widget.TitleBar
             android:id="@+id/title_bar"
diff --git a/app/src/main/res/xml/shortcuts.xml b/app/src/main/res/xml/shortcuts.xml
index 9c5ca598d..4e95fc73d 100644
--- a/app/src/main/res/xml/shortcuts.xml
+++ b/app/src/main/res/xml/shortcuts.xml
@@ -13,7 +13,7 @@
         <intent
             android:action="android.intent.action.VIEW"
             android:targetPackage="${applicationId}"
-            android:targetClass="io.legado.app.ui.readbook.ReadBookActivity" />
+            android:targetClass="io.legado.app.ui.book.read.ReadBookActivity" />
         <categories android:name="android.shortcut.conversation" />
     </shortcut>