diff --git a/app/build.gradle b/app/build.gradle
index e0b4b1cf7..5a4c99f24 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,13 +1,12 @@
 apply plugin: 'com.android.application'
-
 apply plugin: 'kotlin-android'
-
 apply plugin: 'kotlin-android-extensions'
+apply plugin: 'kotlin-kapt'
 
 android {
     compileSdkVersion 28
     defaultConfig {
-        applicationId "io.legado.book"
+        applicationId "io.legado.app"
         minSdkVersion 21
         targetSdkVersion 28
         versionCode 1
@@ -24,13 +23,26 @@ android {
 
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-    implementation 'androidx.appcompat:appcompat:1.0.2'
+    implementation"org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
+
     implementation 'androidx.core:core-ktx:1.0.2'
+    implementation 'androidx.appcompat:appcompat:1.0.2'
     implementation 'androidx.legacy:legacy-support-v4:1.0.0'
-    implementation 'com.google.android.material:material:1.0.0'
+
     implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+    implementation 'androidx.recyclerview:recyclerview:1.0.0'
+    implementation 'androidx.cardview:cardview:1.0.0'
+    implementation 'com.google.android.material:material:1.0.0'
+
+    implementation 'androidx.paging:paging-runtime:2.1.0'
+
+    def anko_version = '0.10.8'
+    implementation "org.jetbrains.anko:anko-sdk27:$anko_version"
+    implementation "org.jetbrains.anko:anko-sdk27-listeners:$anko_version"
+
+
+
     testImplementation 'junit:junit:4.12'
     androidTestImplementation 'androidx.test:runner:1.1.1'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
-}
+}
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/data/README.md b/app/src/main/java/io/legado/app/data/README.md
new file mode 100644
index 000000000..e69de29bb
diff --git a/app/src/main/java/io/legado/app/help/README.md b/app/src/main/java/io/legado/app/help/README.md
new file mode 100644
index 000000000..e69de29bb
diff --git a/app/src/main/java/io/legado/app/lib/README.md b/app/src/main/java/io/legado/app/lib/README.md
new file mode 100644
index 000000000..e69de29bb
diff --git a/app/src/main/java/io/legado/app/model/README.md b/app/src/main/java/io/legado/app/model/README.md
new file mode 100644
index 000000000..e69de29bb
diff --git a/app/src/main/java/io/legado/app/ui/README.md b/app/src/main/java/io/legado/app/ui/README.md
new file mode 100644
index 000000000..e69de29bb
diff --git a/app/src/main/java/io/legado/app/utils/README.md b/app/src/main/java/io/legado/app/utils/README.md
new file mode 100644
index 000000000..e69de29bb