diff --git a/app/build.gradle b/app/build.gradle
index c2bc779e2..8bd44a700 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -159,6 +159,9 @@ dependencies {
 
     //MarkDown
     implementation 'ru.noties.markwon:core:3.0.2'
+
+    //高斯模糊
+    implementation 'jp.wasabeef:glide-transformations:4.1.0'
 }
 
 apply plugin: 'com.google.gms.google-services'
\ No newline at end of file
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 6d456ff25..d3eff6243 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -78,7 +78,8 @@
         <activity
             android:name=".ui.about.DonateActivity"
             android:launchMode="singleTask" />
-        <activity android:name=".ui.book.info.BookInfoActivity" />
+        <activity android:name=".ui.book.info.BookInfoActivity"
+            android:theme="@style/AppTheme.BookInfo" />
         <activity android:name="io.legado.app.ui.book.info.edit.BookInfoEditActivity" />
         <activity android:name=".ui.book.source.debug.BookSourceDebugActivity" />
         <activity android:name=".ui.book.source.manage.BookSourceActivity">
diff --git a/app/src/main/java/io/legado/app/ui/book/info/BookInfoActivity.kt b/app/src/main/java/io/legado/app/ui/book/info/BookInfoActivity.kt
index cf89e975c..9ed5ffb6d 100644
--- a/app/src/main/java/io/legado/app/ui/book/info/BookInfoActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/info/BookInfoActivity.kt
@@ -6,6 +6,9 @@ import android.os.Bundle
 import android.view.Menu
 import android.view.MenuItem
 import androidx.lifecycle.Observer
+import com.bumptech.glide.Glide
+import com.bumptech.glide.load.resource.drawable.DrawableTransitionOptions
+import com.bumptech.glide.request.RequestOptions.bitmapTransform
 import io.legado.app.R
 import io.legado.app.base.VMBaseActivity
 import io.legado.app.constant.BookType
@@ -23,6 +26,7 @@ import io.legado.app.ui.chapterlist.ChapterListActivity
 import io.legado.app.utils.getViewModel
 import io.legado.app.utils.gone
 import io.legado.app.utils.visible
+import jp.wasabeef.glide.transformations.BlurTransformation
 import kotlinx.android.synthetic.main.activity_book_info.*
 import kotlinx.android.synthetic.main.view_title_bar.*
 import org.jetbrains.anko.sdk27.listeners.onClick
@@ -40,6 +44,7 @@ class BookInfoActivity : VMBaseActivity<BookInfoViewModel>(R.layout.activity_boo
 
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         setSupportActionBar(toolbar)
+        title_bar.getBackground().setAlpha(0)
         viewModel.bookData.observe(this, Observer { showBook(it) })
         viewModel.isLoadingData.observe(this, Observer { upLoading(it) })
         viewModel.chapterListData.observe(this, Observer { showChapter(it) })
@@ -103,6 +108,12 @@ class BookInfoActivity : VMBaseActivity<BookInfoViewModel>(R.layout.activity_boo
                 .error(R.drawable.image_cover_default)
                 .centerCrop()
                 .into(iv_cover)
+            Glide.with(this).load(it)
+                .transition(DrawableTransitionOptions.withCrossFade(1500))
+                .error(R.drawable.image_cover_default)
+                .centerCrop()
+                .apply(bitmapTransform(BlurTransformation(125, 6)))
+                .into(bg_book)  //模糊、渐变、缩小效果
         }
         val kinds = book.getKindList()
         if (kinds.isEmpty()) {
diff --git a/app/src/main/res/layout/activity_book_info.xml b/app/src/main/res/layout/activity_book_info.xml
index 6fa8db584..fdad506fb 100644
--- a/app/src/main/res/layout/activity_book_info.xml
+++ b/app/src/main/res/layout/activity_book_info.xml
@@ -6,6 +6,13 @@
     android:layout_height="match_parent"
     android:orientation="vertical">
 
+    <ImageView
+        android:id="@+id/bg_book"
+        android:layout_width="match_parent"
+        android:layout_height="256dp"
+        app:layout_constraintBottom_toTopOf="@+id/view_info"
+        android:scaleType="centerCrop" />
+
     <io.legado.app.ui.widget.TitleBar
         android:id="@+id/title_bar"
         android:layout_width="match_parent"
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index e0f2b31ca..5e9157a35 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -23,6 +23,12 @@
         <item name="android:windowNoTitle">true</item>
     </style>
 
+    <!-- BookInfo主题 -->
+    <style name="AppTheme.BookInfo" parent="Base.AppTheme">
+        <item name="actionBarStyle">@style/AppTheme.AppBarOverlay.Light</item>
+        <item name="elevation">0dp</item><!--去掉toolbar阴影，去线留白-->
+    </style>
+
     <!-- Base application theme. -->
     <style name="Base.AppTheme" parent="Theme.AppCompat.DayNight.NoActionBar">
         <item name="colorPrimary">@color/colorPrimary</item>