diff --git a/app/build.gradle b/app/build.gradle
index a403631ad..9268bb0fe 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -129,4 +129,8 @@ dependencies {
     //颜色选择
     implementation 'com.jaredrummler:colorpicker:1.1.0'
 
+    //对话框
+    implementation 'com.afollestad.material-dialogs:core:3.0.0-rc3'
+    implementation 'com.afollestad.material-dialogs:input:3.0.0-rc3'
+    implementation 'com.afollestad.material-dialogs:files:3.0.0-rc3'
 }
diff --git a/app/src/main/java/io/legado/app/data/dao/BookGroupDao.kt b/app/src/main/java/io/legado/app/data/dao/BookGroupDao.kt
index b348cfeaa..732ebc06c 100644
--- a/app/src/main/java/io/legado/app/data/dao/BookGroupDao.kt
+++ b/app/src/main/java/io/legado/app/data/dao/BookGroupDao.kt
@@ -2,6 +2,7 @@ package io.legado.app.data.dao
 
 import androidx.paging.DataSource
 import androidx.room.Dao
+import androidx.room.Insert
 import androidx.room.Query
 import io.legado.app.data.entities.BookGroup
 
@@ -11,5 +12,9 @@ interface BookGroupDao {
     @Query("SELECT * FROM book_groups ORDER BY `order`")
     fun observeAll(): DataSource.Factory<Int, BookGroup>
 
+    @get:Query("SELECT MAX(groupId) FROM book_groups")
+    val maxId: Int
 
+    @Insert
+    fun insert(bookGroup: BookGroup)
 }
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/ui/config/ThemeConfigFragment.kt b/app/src/main/java/io/legado/app/ui/config/ThemeConfigFragment.kt
index 82c198fc2..6f4030cf0 100644
--- a/app/src/main/java/io/legado/app/ui/config/ThemeConfigFragment.kt
+++ b/app/src/main/java/io/legado/app/ui/config/ThemeConfigFragment.kt
@@ -54,7 +54,7 @@ class ThemeConfigFragment : PreferenceFragmentCompat(), SharedPreferences.OnShar
                                 upTheme(false)
                             }
                             .setNegativeButton(R.string.cancel) { _, _ -> upTheme(false) }
-                            .show().upTint
+                            .show().upTint()
                     }
                 } else {
                     upTheme(false)
@@ -74,7 +74,7 @@ class ThemeConfigFragment : PreferenceFragmentCompat(), SharedPreferences.OnShar
                                 upTheme(true)
                             }
                             .setNegativeButton(R.string.cancel) { _, _ -> upTheme(true) }
-                            .show().upTint
+                            .show().upTint()
                     }
                 } else {
                     upTheme(true)
@@ -105,7 +105,7 @@ class ThemeConfigFragment : PreferenceFragmentCompat(), SharedPreferences.OnShar
                             Handler().postDelayed({ activity?.recreate() }, 100)
                         }
                         .setNegativeButton(R.string.cancel, null)
-                        .show().upTint
+                        .show().upTint()
                 }
             }
         }
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 49a74f6c0..8392c9686 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
@@ -9,6 +9,8 @@ import androidx.paging.LivePagedListBuilder
 import androidx.paging.PagedList
 import androidx.recyclerview.widget.DividerItemDecoration
 import androidx.recyclerview.widget.LinearLayoutManager
+import com.afollestad.materialdialogs.MaterialDialog
+import com.afollestad.materialdialogs.input.input
 import io.legado.app.App
 import io.legado.app.R
 import io.legado.app.base.BaseFragment
@@ -17,6 +19,8 @@ import io.legado.app.data.entities.BookGroup
 import io.legado.app.lib.theme.ThemeStore
 import kotlinx.android.synthetic.main.fragment_bookshelf.*
 import kotlinx.android.synthetic.main.view_title_bar.*
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
 import org.jetbrains.anko.textColor
 
 class BookshelfFragment : BaseFragment(R.layout.fragment_bookshelf) {
@@ -42,6 +46,30 @@ class BookshelfFragment : BaseFragment(R.layout.fragment_bookshelf) {
         rv_book_group.layoutManager = LinearLayoutManager(context, LinearLayoutManager.HORIZONTAL, false)
         bookGroupAdapter = BookGroupAdapter()
         rv_book_group.adapter = bookGroupAdapter
+        bookGroupAdapter.callBack = object : BookGroupAdapter.CallBack {
+            override fun open(groupId: Int) {
+                when (groupId) {
+                    -10 -> context?.let {
+                        MaterialDialog(it).show {
+                            title(text = "新建分组")
+                            input(hint = "分组名称") { _, charSequence ->
+                                run {
+                                    GlobalScope.launch {
+                                        App.db.bookGroupDao().insert(
+                                            BookGroup(
+                                                App.db.bookGroupDao().maxId + 1,
+                                                charSequence.toString()
+                                            )
+                                        )
+                                    }
+                                }
+                            }
+                            positiveButton(R.string.ok)
+                        }
+                    }
+                }
+            }
+        }
         rv_bookshelf.layoutManager = LinearLayoutManager(context)
         rv_bookshelf.addItemDecoration(DividerItemDecoration(rv_bookshelf.context, LinearLayoutManager.VERTICAL))
         bookshelfAdapter = BookshelfAdapter()
diff --git a/app/src/main/java/io/legado/app/ui/main/booksource/BookSourceFragment.kt b/app/src/main/java/io/legado/app/ui/main/booksource/BookSourceFragment.kt
index 0816a2f4a..3d131fbd1 100644
--- a/app/src/main/java/io/legado/app/ui/main/booksource/BookSourceFragment.kt
+++ b/app/src/main/java/io/legado/app/ui/main/booksource/BookSourceFragment.kt
@@ -101,6 +101,6 @@ class BookSourceFragment : BaseFragment(R.layout.fragment_book_source), BookSour
     }
 
     override fun edit(bookSource: BookSource) {
-        context?.let { it.startActivity<SourceEditActivity>(Pair("data", bookSource.origin)) }
+        context?.startActivity<SourceEditActivity>(Pair("data", bookSource.origin))
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/utils/AlertDialogExtensions.kt b/app/src/main/java/io/legado/app/utils/AlertDialogExtensions.kt
index 300309ca7..e956f1368 100644
--- a/app/src/main/java/io/legado/app/utils/AlertDialogExtensions.kt
+++ b/app/src/main/java/io/legado/app/utils/AlertDialogExtensions.kt
@@ -3,5 +3,6 @@ package io.legado.app.utils
 import androidx.appcompat.app.AlertDialog
 import io.legado.app.lib.theme.ATH
 
-val AlertDialog.upTint: AlertDialog
-    get() = ATH.setAlertDialogTint(this)
\ No newline at end of file
+fun AlertDialog.upTint(): AlertDialog {
+    return ATH.setAlertDialogTint(this)
+}
diff --git a/app/src/main/java/io/legado/app/utils/ViewExtensions.kt b/app/src/main/java/io/legado/app/utils/ViewExtensions.kt
new file mode 100644
index 000000000..ac26c4355
--- /dev/null
+++ b/app/src/main/java/io/legado/app/utils/ViewExtensions.kt
@@ -0,0 +1,13 @@
+package io.legado.app.utils
+
+import android.content.Context
+import android.view.View
+import android.view.inputmethod.InputMethodManager
+import io.legado.app.App
+
+fun View.hidehideSoftInput() = run {
+    val imm = App.INSTANCE.getSystemService(Context.INPUT_METHOD_SERVICE) as? InputMethodManager
+    imm?.let {
+        imm.hideSoftInputFromWindow(this.windowToken, 0)
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/res/layout/dialog_input.xml b/app/src/main/res/layout/dialog_input.xml
new file mode 100644
index 000000000..e867c1792
--- /dev/null
+++ b/app/src/main/res/layout/dialog_input.xml
@@ -0,0 +1,39 @@
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+              xmlns:tools="http://schemas.android.com/tools"
+              android:id="@+id/ll_content"
+              android:layout_width="match_parent"
+              android:layout_height="wrap_content"
+              android:background="@color/background"
+              android:orientation="vertical"
+              android:padding="10dp">
+
+    <TextView
+            android:id="@+id/tv_title"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_margin="5dp"/>
+
+    <io.legado.app.lib.theme.view.ATEAutoCompleteTextView
+            android:id="@+id/et_input"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_margin="5dp"
+            android:completionThreshold="0"
+            android:maxLines="5"
+            tools:ignore="LabelFor"/>
+
+    <TextView
+            android:id="@+id/tv_ok"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_margin="5dp"
+            android:background="@drawable/selector_fillet_btn_bg"
+            android:clickable="true"
+            android:focusable="true"
+            android:gravity="center"
+            android:paddingTop="5dp"
+            android:paddingBottom="5dp"
+            android:text="@string/ok"
+            android:textColor="@color/tv_text_default"/>
+
+</LinearLayout>
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index 3b8558198..1d6fd88d1 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -48,13 +48,7 @@
         <item name="colorAccent">@color/md_grey_900</item>
     </style>
 
-    <style name="AppTheme.AlertDialog" parent="Theme.AppCompat.DayNight.Dialog.Alert">
-        <item name="colorAccent">@color/colorAccent</item>
-        <item name="android:background">@color/background_card</item>
-        <item name="android:textColor">@color/tv_text_default</item>
-        <item name="android:textColorPrimary">@color/tv_text_default</item>
-        <item name="textColorAlertDialogListItem">@color/tv_text_default</item>
-    </style>
+    <style name="AppTheme.AlertDialog" parent="Theme.AppCompat.DayNight.Dialog.Alert"/>
 
     //**************************************************************System
     Style******************************************************************************//