diff --git a/app/src/main/java/io/legado/app/base/adapter/InfiniteScrollListener.kt b/app/src/main/java/io/legado/app/base/adapter/InfiniteScrollListener.kt
new file mode 100644
index 000000000..fc7c48bab
--- /dev/null
+++ b/app/src/main/java/io/legado/app/base/adapter/InfiniteScrollListener.kt
@@ -0,0 +1,32 @@
+package io.legado.app.base.adapter
+
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+
+/**
+ * Created by Invincible on 2017/12/15.
+ *
+ * 上拉加载更多
+ */
+abstract class InfiniteScrollListener() : RecyclerView.OnScrollListener() {
+    private val loadMoreRunnable = Runnable { onLoadMore() }
+
+    override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
+//        if (dy < 0 || dataLoading.isDataLoading()) return
+
+        val layoutManager:LinearLayoutManager = recyclerView.layoutManager as LinearLayoutManager
+        val visibleItemCount = recyclerView.childCount
+        val totalItemCount = layoutManager.itemCount
+        val firstVisibleItem = layoutManager.findFirstVisibleItemPosition()
+
+        if (totalItemCount - visibleItemCount <= firstVisibleItem + VISIBLE_THRESHOLD) {
+            recyclerView.post(loadMoreRunnable)
+        }
+    }
+
+    abstract fun onLoadMore()
+
+    companion object {
+        private const val VISIBLE_THRESHOLD = 5
+    }
+}
diff --git a/app/src/main/java/io/legado/app/base/adapter/ItemAnimation.kt b/app/src/main/java/io/legado/app/base/adapter/ItemAnimation.kt
index 9e6f20c61..6db4a7415 100644
--- a/app/src/main/java/io/legado/app/base/adapter/ItemAnimation.kt
+++ b/app/src/main/java/io/legado/app/base/adapter/ItemAnimation.kt
@@ -4,7 +4,7 @@ import android.view.animation.Interpolator
 import android.view.animation.LinearInterpolator
 import io.legado.app.base.adapter.animations.AlphaInAnimation
 import io.legado.app.base.adapter.animations.BaseAnimation
-import io.legado.app.base.animations.ScaleInAnimation
+import io.legado.app.base.adapter.animations.ScaleInAnimation
 import io.legado.app.base.adapter.animations.SlideInBottomAnimation
 import io.legado.app.base.adapter.animations.SlideInLeftAnimation
 import io.legado.app.base.adapter.animations.SlideInRightAnimation
diff --git a/app/src/main/java/io/legado/app/base/adapter/animations/ScaleInAnimation.kt b/app/src/main/java/io/legado/app/base/adapter/animations/ScaleInAnimation.kt
index 3f73e7a3c..3464f4079 100644
--- a/app/src/main/java/io/legado/app/base/adapter/animations/ScaleInAnimation.kt
+++ b/app/src/main/java/io/legado/app/base/adapter/animations/ScaleInAnimation.kt
@@ -1,9 +1,8 @@
-package io.legado.app.base.animations
+package io.legado.app.base.adapter.animations
 
 import android.animation.Animator
 import android.animation.ObjectAnimator
 import android.view.View
-import io.legado.app.base.adapter.animations.BaseAnimation
 
 
 class ScaleInAnimation @JvmOverloads constructor(private val mFrom: Float = DEFAULT_SCALE_FROM) : BaseAnimation {
diff --git a/app/src/main/java/io/legado/app/data/entities/SearchBook.kt b/app/src/main/java/io/legado/app/data/entities/SearchBook.kt
index feecd7295..8994f14bd 100644
--- a/app/src/main/java/io/legado/app/data/entities/SearchBook.kt
+++ b/app/src/main/java/io/legado/app/data/entities/SearchBook.kt
@@ -1,2 +1,3 @@
 package io.legado.app.data.entities
 
+class SearchBook
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/ui/main/MainActivity.kt b/app/src/main/java/io/legado/app/ui/main/MainActivity.kt
index d04315dd6..cf4a2329d 100644
--- a/app/src/main/java/io/legado/app/ui/main/MainActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/main/MainActivity.kt
@@ -14,6 +14,7 @@ import io.legado.app.base.BaseActivity
 import io.legado.app.ui.search.SearchActivity
 import kotlinx.android.synthetic.main.activity_main.*
 import kotlinx.android.synthetic.main.app_bar_main.*
+import kotlinx.android.synthetic.main.view_titlebar.*
 
 class MainActivity : BaseActivity<MainDataBinding, MainViewModel>(), NavigationView.OnNavigationItemSelectedListener {
     override val viewModel: MainViewModel
@@ -22,11 +23,10 @@ class MainActivity : BaseActivity<MainDataBinding, MainViewModel>(), NavigationV
         get() = R.layout.activity_main
 
     override fun onViewModelCreated(viewModel: MainViewModel, savedInstanceState: Bundle?) {
-        setSupportActionBar(toolbar)
         fab.setOnClickListener { startActivity(Intent(this, SearchActivity::class.java)) }
 
         val toggle = ActionBarDrawerToggle(
-            this, drawer_layout, toolbar,
+            this, drawer_layout, titleBar.toolbar,
             R.string.navigation_drawer_open,
             R.string.navigation_drawer_close
         )
diff --git a/app/src/main/java/io/legado/app/ui/search/SearchActivity.kt b/app/src/main/java/io/legado/app/ui/search/SearchActivity.kt
index 33be6236f..14994c535 100644
--- a/app/src/main/java/io/legado/app/ui/search/SearchActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/search/SearchActivity.kt
@@ -15,7 +15,6 @@ class SearchActivity : BaseActivity<SearchDataBinding, SearchViewModel>() {
         get() = R.layout.activity_search
 
     override fun onViewModelCreated(viewModel: SearchViewModel, savedInstanceState: Bundle?) {
-
     }
 
 }
diff --git a/app/src/main/java/io/legado/app/ui/search/SearchAdapter.kt b/app/src/main/java/io/legado/app/ui/search/SearchAdapter.kt
new file mode 100644
index 000000000..a23ee7605
--- /dev/null
+++ b/app/src/main/java/io/legado/app/ui/search/SearchAdapter.kt
@@ -0,0 +1,34 @@
+package io.legado.app.ui.search
+
+import android.content.Context
+import io.legado.app.R
+import io.legado.app.base.adapter.ItemViewDelegate
+import io.legado.app.base.adapter.ItemViewHolder
+import io.legado.app.base.adapter.SimpleRecyclerAdapter
+import io.legado.app.data.entities.SearchBook
+import kotlinx.android.synthetic.main.item_search.view.*
+
+class SearchAdapter(context: Context) : SimpleRecyclerAdapter<SearchBook>(context) {
+
+    init {
+        addItemViewDelegate(TestItemDelegate(context))
+    }
+
+    override val layoutID: Int
+        get() = R.layout.item_search
+
+    override fun convert(holder: ItemViewHolder, item: SearchBook, payloads: MutableList<Any>) {
+        holder.itemView.bookName.text = "我欲封天"
+    }
+
+    internal class TestItemDelegate(context: Context) : ItemViewDelegate<SearchBook>(context){
+        override val layoutID: Int
+            get() = TODO("not implemented") //To change initializer of created properties use File | Settings | File Templates.
+
+        override fun convert(holder: ItemViewHolder, item: SearchBook, payloads: MutableList<Any>) {
+            TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+        }
+
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/ui/widget/TitleBar.kt b/app/src/main/java/io/legado/app/ui/widget/TitleBar.kt
index e7df5b914..b354266eb 100644
--- a/app/src/main/java/io/legado/app/ui/widget/TitleBar.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/TitleBar.kt
@@ -5,7 +5,10 @@ import android.content.res.ColorStateList
 import android.graphics.PorterDuff
 import android.graphics.drawable.Drawable
 import android.util.AttributeSet
+import android.view.Menu
+import android.view.View
 import androidx.appcompat.app.AppCompatActivity
+import androidx.appcompat.widget.Toolbar
 import androidx.core.graphics.drawable.DrawableCompat
 import com.google.android.material.appbar.AppBarLayout
 import io.legado.app.R
@@ -13,11 +16,16 @@ import kotlinx.android.synthetic.main.view_titlebar.view.*
 
 class TitleBar(context: Context, attrs: AttributeSet?) : AppBarLayout(context, attrs) {
 
+    val toolbar: Toolbar
+    val menu: Menu
+        get() = toolbar.menu
+
     init {
         inflate(context, R.layout.view_titlebar, this)
+        toolbar = findViewById(R.id.toolbar)
         val a = context.obtainStyledAttributes(
             attrs, R.styleable.TitleBar,
-            0, 0
+            R.attr.titleBarStyle, 0
         )
         val navigationIcon = a.getDrawable(R.styleable.TitleBar_navigationIcon)
         val navigationContentDescription = a.getText(R.styleable.TitleBar_navigationContentDescription)
@@ -40,13 +48,15 @@ class TitleBar(context: Context, attrs: AttributeSet?) : AppBarLayout(context, a
         }
     }
 
+    fun setNavigationOnClickListener(clickListener: ((View) -> Unit)){
+        toolbar.setNavigationOnClickListener(clickListener)
+    }
+
     private fun attachToActivity(context: Context) {
         val activity = getCompatActivity(context)
         activity?.let {
             activity.setSupportActionBar(toolbar)
-            activity.supportActionBar?.let {
-                it.setDisplayHomeAsUpEnabled(true)
-            }
+            activity.supportActionBar?.setDisplayHomeAsUpEnabled(true)
         }
     }
 
diff --git a/app/src/main/res/layout/app_bar_main.xml b/app/src/main/res/layout/app_bar_main.xml
index ef693f0b6..ae86cf117 100644
--- a/app/src/main/res/layout/app_bar_main.xml
+++ b/app/src/main/res/layout/app_bar_main.xml
@@ -7,19 +7,10 @@
         android:layout_height="match_parent"
         tools:context=".ui.main.MainActivity">
 
-    <com.google.android.material.appbar.AppBarLayout
-            android:layout_height="wrap_content"
+    <io.legado.app.ui.widget.TitleBar
+            android:id="@+id/titleBar"
             android:layout_width="match_parent"
-            android:theme="@style/AppTheme.AppBarOverlay">
-
-        <androidx.appcompat.widget.Toolbar
-                android:id="@+id/toolbar"
-                android:layout_width="match_parent"
-                android:layout_height="?attr/actionBarSize"
-                android:background="?attr/colorPrimary"
-                app:popupTheme="@style/AppTheme.PopupOverlay"/>
-
-    </com.google.android.material.appbar.AppBarLayout>
+            android:layout_height="wrap_content"/>
 
     <include layout="@layout/content_main"/>
 
diff --git a/app/src/main/res/layout/item_search.xml b/app/src/main/res/layout/item_search.xml
new file mode 100644
index 000000000..4fe3215d2
--- /dev/null
+++ b/app/src/main/res/layout/item_search.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:app="http://schemas.android.com/apk/res-auto"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+
+    <TextView
+            android:id="@+id/bookName"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            app:layout_constraintTop_toTopOf="parent"
+            android:text="测试"/>
+
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/view_titlebar.xml b/app/src/main/res/layout/view_titlebar.xml
index f1befb3b3..82f286582 100644
--- a/app/src/main/res/layout/view_titlebar.xml
+++ b/app/src/main/res/layout/view_titlebar.xml
@@ -5,4 +5,5 @@
         android:id="@+id/toolbar"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
+        android:theme="@style/AppTheme.AppBarOverlay"
         app:popupTheme="@style/AppTheme.PopupOverlay"/>
diff --git a/app/src/main/res/values/attrs.xml b/app/src/main/res/values/attrs.xml
index 7456589c4..942cea81c 100644
--- a/app/src/main/res/values/attrs.xml
+++ b/app/src/main/res/values/attrs.xml
@@ -29,6 +29,8 @@
         </attr>
     </declare-styleable>
 
+    <attr name="titleBarStyle" format="reference" />
+
     <declare-styleable name="DynamicFrameLayout">
         <attr name="errorSrc" format="reference" />
         <attr name="emptySrc" format="reference" />